All commit

.gitignore

+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### IntelliJ IDEA ###
+.idea/modules.xml
+.idea/jarRepositories.xml
+.idea/compiler.xml
+.idea/libraries/
+*.iws
+*.iml
+*.ipr
+
+### Eclipse ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/
+
+### Mac OS ###
+.DS_Store
\ No newline at end of file

.idea/.gitignore

+# Default ignored files
+/shelf/
+/workspace.xml

.idea/encodings.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Encoding">
+    <file url="file://$PROJECT_DIR$/src/main/java" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/src/main/resources" charset="UTF-8" />
+  </component>
+</project>
\ No newline at end of file

.idea/misc.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ExternalStorageConfigurationManager" enabled="true" />
+  <component name="MavenProjectsManager">
+    <option name="originalFiles">
+      <list>
+        <option value="$PROJECT_DIR$/pom.xml" />
+      </list>
+    </option>
+  </component>
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" default="true" project-jdk-name="17" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>
\ No newline at end of file

.idea/vcs.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$/.." vcs="Git" />
+  </component>
+</project>
\ No newline at end of file

.smarttomcat/Ecommerce/conf/catalina.properties

+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+#
+# List of comma-separated packages that start with or equal this string
+# will cause a security exception to be thrown when
+# passed to checkPackageAccess unless the
+# corresponding RuntimePermission ("accessClassInPackage."+package) has
+# been granted.
+package.access=sun.,org.apache.catalina.,org.apache.coyote.,org.apache.jasper.,org.apache.tomcat.
+#
+# List of comma-separated packages that start with or equal this string
+# will cause a security exception to be thrown when
+# passed to checkPackageDefinition unless the
+# corresponding RuntimePermission ("defineClassInPackage."+package) has
+# been granted.
+#
+# by default, no packages are restricted for definition, and none of
+# the class loaders supplied with the JDK call checkPackageDefinition.
+#
+package.definition=sun.,java.,org.apache.catalina.,org.apache.coyote.,\
+org.apache.jasper.,org.apache.naming.,org.apache.tomcat.
+
+#
+#
+# List of comma-separated paths defining the contents of the "common"
+# classloader. Prefixes should be used to define what is the repository type.
+# Path may be relative to the CATALINA_HOME or CATALINA_BASE path or absolute.
+# If left as blank,the JVM system loader will be used as Catalina's "common"
+# loader.
+# Examples:
+#     "foo": Add this folder as a class repository
+#     "foo/*.jar": Add all the JARs of the specified folder as class
+#                  repositories
+#     "foo/bar.jar": Add bar.jar as a class repository
+#
+# Note: Values are enclosed in double quotes ("...") in case either the
+#       ${catalina.base} path or the ${catalina.home} path contains a comma.
+#       Because double quotes are used for quoting, the double quote character
+#       may not appear in a path.
+common.loader="${catalina.base}/lib","${catalina.base}/lib/*.jar","${catalina.home}/lib","${catalina.home}/lib/*.jar"
+
+#
+# List of comma-separated paths defining the contents of the "server"
+# classloader. Prefixes should be used to define what is the repository type.
+# Path may be relative to the CATALINA_HOME or CATALINA_BASE path or absolute.
+# If left as blank, the "common" loader will be used as Catalina's "server"
+# loader.
+# Examples:
+#     "foo": Add this folder as a class repository
+#     "foo/*.jar": Add all the JARs of the specified folder as class
+#                  repositories
+#     "foo/bar.jar": Add bar.jar as a class repository
+#
+# Note: Values may be enclosed in double quotes ("...") in case either the
+#       ${catalina.base} path or the ${catalina.home} path contains a comma.
+#       Because double quotes are used for quoting, the double quote character
+#       may not appear in a path.
+server.loader=
+
+#
+# List of comma-separated paths defining the contents of the "shared"
+# classloader. Prefixes should be used to define what is the repository type.
+# Path may be relative to the CATALINA_BASE path or absolute. If left as blank,
+# the "common" loader will be used as Catalina's "shared" loader.
+# Examples:
+#     "foo": Add this folder as a class repository
+#     "foo/*.jar": Add all the JARs of the specified folder as class
+#                  repositories
+#     "foo/bar.jar": Add bar.jar as a class repository
+# Please note that for single jars, e.g. bar.jar, you need the URL form
+# starting with file:.
+#
+# Note: Values may be enclosed in double quotes ("...") in case either the
+#       ${catalina.base} path or the ${catalina.home} path contains a comma.
+#       Because double quotes are used for quoting, the double quote character
+#       may not appear in a path.
+shared.loader=
+
+# Default list of JAR files that should not be scanned using the JarScanner
+# functionality. This is typically used to scan JARs for configuration
+# information. JARs that do not contain such information may be excluded from
+# the scan to speed up the scanning process. This is the default list. JARs on
+# this list are excluded from all scans. The list must be a comma separated list
+# of JAR file names.
+# The list of JARs to skip may be over-ridden at a Context level for individual
+# scan types by configuring a JarScanner with a nested JarScanFilter.
+# The JARs listed below include:
+# - Tomcat Bootstrap JARs
+# - Tomcat API JARs
+# - Catalina JARs
+# - Jasper JARs
+# - Tomcat JARs
+# - Common non-Tomcat JARs
+# - Test JARs (JUnit, Cobertura and dependencies)
+tomcat.util.scan.StandardJarScanFilter.jarsToSkip=\
+annotations-api.jar,\
+ant-junit*.jar,\
+ant-launcher*.jar,\
+ant*.jar,\
+asm-*.jar,\
+aspectj*.jar,\
+bcel*.jar,\
+biz.aQute.bnd*.jar,\
+bootstrap.jar,\
+catalina-ant.jar,\
+catalina-ha.jar,\
+catalina-ssi.jar,\
+catalina-storeconfig.jar,\
+catalina-tribes.jar,\
+catalina.jar,\
+cglib-*.jar,\
+cobertura-*.jar,\
+commons-beanutils*.jar,\
+commons-codec*.jar,\
+commons-collections*.jar,\
+commons-compress*.jar,\
+commons-daemon.jar,\
+commons-dbcp*.jar,\
+commons-digester*.jar,\
+commons-fileupload*.jar,\
+commons-httpclient*.jar,\
+commons-io*.jar,\
+commons-lang*.jar,\
+commons-logging*.jar,\
+commons-math*.jar,\
+commons-pool*.jar,\
+derby-*.jar,\
+dom4j-*.jar,\
+easymock-*.jar,\
+ecj-*.jar,\
+el-api.jar,\
+geronimo-spec-jaxrpc*.jar,\
+h2*.jar,\
+ha-api-*.jar,\
+hamcrest-*.jar,\
+hibernate*.jar,\
+httpclient*.jar,\
+icu4j-*.jar,\
+jasper-el.jar,\
+jasper.jar,\
+jaspic-api.jar,\
+jaxb-*.jar,\
+jaxen-*.jar,\
+jaxws-rt-*.jar,\
+jdom-*.jar,\
+jetty-*.jar,\
+jmx-tools.jar,\
+jmx.jar,\
+jsp-api.jar,\
+jstl.jar,\
+jta*.jar,\
+junit-*.jar,\
+junit.jar,\
+log4j*.jar,\
+mail*.jar,\
+objenesis-*.jar,\
+oraclepki.jar,\
+org.hamcrest.core_*.jar,\
+org.junit_*.jar,\
+oro-*.jar,\
+servlet-api-*.jar,\
+servlet-api.jar,\
+slf4j*.jar,\
+taglibs-standard-spec-*.jar,\
+tagsoup-*.jar,\
+tomcat-api.jar,\
+tomcat-coyote.jar,\
+tomcat-coyote-ffm.jar,\
+tomcat-dbcp.jar,\
+tomcat-i18n-*.jar,\
+tomcat-jdbc.jar,\
+tomcat-jni.jar,\
+tomcat-juli-adapters.jar,\
+tomcat-juli.jar,\
+tomcat-util-scan.jar,\
+tomcat-util.jar,\
+tomcat-websocket.jar,\
+tools.jar,\
+unboundid-ldapsdk-*.jar,\
+websocket-api.jar,\
+wsdl4j*.jar,\
+xercesImpl.jar,\
+xml-apis.jar,\
+xmlParserAPIs-*.jar,\
+xmlParserAPIs.jar,\
+xom-*.jar
+
+# Default list of JAR files that should be scanned that overrides the default
+# jarsToSkip list above. This is typically used to include a specific JAR that
+# has been excluded by a broad file name pattern in the jarsToSkip list.
+# The list of JARs to scan may be over-ridden at a Context level for individual
+# scan types by configuring a JarScanner with a nested JarScanFilter.
+tomcat.util.scan.StandardJarScanFilter.jarsToScan=\
+log4j-taglib*.jar,\
+log4j-web*.jar,\
+log4javascript*.jar,\
+slf4j-taglib*.jar
+
+# String cache configuration.
+tomcat.util.buf.StringCache.byte.enabled=true
+#tomcat.util.buf.StringCache.char.enabled=true
+#tomcat.util.buf.StringCache.trainThreshold=500000
+#tomcat.util.buf.StringCache.cacheSize=5000
+
+# Disable use of some privilege blocks Tomcat doesn't need since calls to the
+# code in question are always already inside a privilege block
+org.apache.el.GET_CLASSLOADER_USE_PRIVILEGED=false

.smarttomcat/Ecommerce/conf/context.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  Licensed to the Apache Software Foundation (ASF) under one or more
+  contributor license agreements.  See the NOTICE file distributed with
+  this work for additional information regarding copyright ownership.
+  The ASF licenses this file to You under the Apache License, Version 2.0
+  (the "License"); you may not use this file except in compliance with
+  the License.  You may obtain a copy of the License at
+
+      http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+<!-- The contents of this file will be loaded for each web application -->
+<Context>
+
+    <!-- Default set of monitored resources. If one of these changes, the    -->
+    <!-- web application will be reloaded.                                   -->
+    <WatchedResource>WEB-INF/web.xml</WatchedResource>
+    <WatchedResource>WEB-INF/tomcat-web.xml</WatchedResource>
+    <WatchedResource>${catalina.base}/conf/web.xml</WatchedResource>
+
+    <!-- Uncomment this to disable session persistence across Tomcat restarts -->
+    <!--
+    <Manager pathname="" />
+    -->
+</Context>

.smarttomcat/Ecommerce/conf/jaspic-providers.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  Licensed to the Apache Software Foundation (ASF) under one or more
+  contributor license agreements.  See the NOTICE file distributed with
+  this work for additional information regarding copyright ownership.
+  The ASF licenses this file to You under the Apache License, Version 2.0
+  (the "License"); you may not use this file except in compliance with
+  the License.  You may obtain a copy of the License at
+
+      http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+<jaspic-providers xmlns="http://tomcat.apache.org/xml"
+                  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+                  xsi:schemaLocation="http://tomcat.apache.org/xml jaspic-providers.xsd"
+                  version="1.0">
+  <!-- No JASPIC providers configured by default -->
+</jaspic-providers>

.smarttomcat/Ecommerce/conf/jaspic-providers.xsd

+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  Licensed to the Apache Software Foundation (ASF) under one or more
+  contributor license agreements.  See the NOTICE file distributed with
+  this work for additional information regarding copyright ownership.
+  The ASF licenses this file to You under the Apache License, Version 2.0
+  (the "License"); you may not use this file except in compliance with
+  the License.  You may obtain a copy of the License at
+
+      http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+<xs:schema xmlns="http://www.w3.org/2001/XMLSchema"
+           targetNamespace="http://tomcat.apache.org/xml"
+           xmlns:jaspic="http://tomcat.apache.org/xml"
+           xmlns:xs="http://www.w3.org/2001/XMLSchema"
+           elementFormDefault="qualified"
+           attributeFormDefault="unqualified"
+           version="1.0">
+  <xs:element name="jaspic-providers">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element name="provider" minOccurs="0" maxOccurs="unbounded">
+          <xs:complexType>
+            <xs:sequence>
+              <xs:element name="property" minOccurs="0" maxOccurs="unbounded">
+                <xs:complexType>
+                  <xs:attribute name="name" use="required" type="jaspic:propertyname" />
+                  <xs:attribute name="value" use="required" type="xs:string" />
+                </xs:complexType>
+              </xs:element>
+            </xs:sequence>
+            <xs:attribute name="className" type="xs:string" />
+            <xs:attribute name="layer" type="xs:string" />
+            <xs:attribute name="appContext" type="xs:string" />
+            <xs:attribute name="description" type="xs:string" />
+          </xs:complexType>
+        </xs:element>
+      </xs:sequence>
+      <xs:attribute name="version" type="xs:string" />
+    </xs:complexType>
+  </xs:element>
+  <xs:simpleType name="propertyname">
+    <xs:restriction base="xs:string">
+      <xs:minLength value="1"/>
+    </xs:restriction>
+  </xs:simpleType>
+</xs:schema>
\ No newline at end of file

.smarttomcat/Ecommerce/conf/logging.properties

+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+handlers = 1catalina.org.apache.juli.AsyncFileHandler, 2localhost.org.apache.juli.AsyncFileHandler, 3manager.org.apache.juli.AsyncFileHandler, 4host-manager.org.apache.juli.AsyncFileHandler, java.util.logging.ConsoleHandler
+
+.handlers = 1catalina.org.apache.juli.AsyncFileHandler, java.util.logging.ConsoleHandler
+
+############################################################
+# Handler specific properties.
+# Describes specific configuration info for Handlers.
+############################################################
+
+1catalina.org.apache.juli.AsyncFileHandler.level = ALL
+1catalina.org.apache.juli.AsyncFileHandler.directory = ${catalina.base}/logs
+1catalina.org.apache.juli.AsyncFileHandler.prefix = catalina.
+1catalina.org.apache.juli.AsyncFileHandler.maxDays = 90
+1catalina.org.apache.juli.AsyncFileHandler.encoding = UTF-8
+
+2localhost.org.apache.juli.AsyncFileHandler.level = ALL
+2localhost.org.apache.juli.AsyncFileHandler.directory = ${catalina.base}/logs
+2localhost.org.apache.juli.AsyncFileHandler.prefix = localhost.
+2localhost.org.apache.juli.AsyncFileHandler.maxDays = 90
+2localhost.org.apache.juli.AsyncFileHandler.encoding = UTF-8
+
+3manager.org.apache.juli.AsyncFileHandler.level = ALL
+3manager.org.apache.juli.AsyncFileHandler.directory = ${catalina.base}/logs
+3manager.org.apache.juli.AsyncFileHandler.prefix = manager.
+3manager.org.apache.juli.AsyncFileHandler.maxDays = 90
+3manager.org.apache.juli.AsyncFileHandler.encoding = UTF-8
+
+4host-manager.org.apache.juli.AsyncFileHandler.level = ALL
+4host-manager.org.apache.juli.AsyncFileHandler.directory = ${catalina.base}/logs
+4host-manager.org.apache.juli.AsyncFileHandler.prefix = host-manager.
+4host-manager.org.apache.juli.AsyncFileHandler.maxDays = 90
+4host-manager.org.apache.juli.AsyncFileHandler.encoding = UTF-8
+
+java.util.logging.ConsoleHandler.level = ALL
+java.util.logging.ConsoleHandler.formatter = org.apache.juli.OneLineFormatter
+java.util.logging.ConsoleHandler.encoding = UTF-8
+
+
+############################################################
+# Facility specific properties.
+# Provides extra control for each logger.
+############################################################
+
+org.apache.catalina.core.ContainerBase.[Catalina].[localhost].level = INFO
+org.apache.catalina.core.ContainerBase.[Catalina].[localhost].handlers = 2localhost.org.apache.juli.AsyncFileHandler
+
+org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/manager].level = INFO
+org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/manager].handlers = 3manager.org.apache.juli.AsyncFileHandler
+
+org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/host-manager].level = INFO
+org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/host-manager].handlers = 4host-manager.org.apache.juli.AsyncFileHandler
+
+# For example, set the org.apache.catalina.util.LifecycleBase logger to log
+# each component that extends LifecycleBase changing state:
+#org.apache.catalina.util.LifecycleBase.level = FINE
+
+# To see debug messages for HTTP/2 handling, uncomment the following line:
+#org.apache.coyote.http2.level = FINE
+
+# To see debug messages for WebSocket handling, uncomment the following line:
+#org.apache.tomcat.websocket.level = FINE

.smarttomcat/Ecommerce/conf/server.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  Licensed to the Apache Software Foundation (ASF) under one or more
+  contributor license agreements.  See the NOTICE file distributed with
+  this work for additional information regarding copyright ownership.
+  The ASF licenses this file to You under the Apache License, Version 2.0
+  (the "License"); you may not use this file except in compliance with
+  the License.  You may obtain a copy of the License at
+
+      http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+<!-- Note:  A "Server" is not itself a "Container", so you may not
+     define subcomponents such as "Valves" at this level.
+     Documentation at /docs/config/server.html
+ -->
+<Server port="8005" shutdown="SHUTDOWN">
+  <Listener className="org.apache.catalina.startup.VersionLoggerListener" />
+  <!-- Security listener. Documentation at /docs/config/listeners.html
+  <Listener className="org.apache.catalina.security.SecurityListener" />
+  -->
+  <!-- APR connector and OpenSSL support using Tomcat Native -->
+  <Listener className="org.apache.catalina.core.AprLifecycleListener" />
+  <!-- OpenSSL support using FFM API from Java 22 -->
+  <!-- <Listener className="org.apache.catalina.core.OpenSSLLifecycleListener" /> -->
+  <!-- Prevent memory leaks due to use of particular java/javax APIs-->
+  <Listener className="org.apache.catalina.core.JreMemoryLeakPreventionListener" />
+  <Listener className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener" />
+  <Listener className="org.apache.catalina.core.ThreadLocalLeakPreventionListener" />
+
+  <!-- Global JNDI resources
+       Documentation at /docs/jndi-resources-howto.html
+  -->
+  <GlobalNamingResources>
+    <!-- Editable user database that can also be used by
+         UserDatabaseRealm to authenticate users
+    -->
+    <Resource name="UserDatabase" auth="Container"
+              type="org.apache.catalina.UserDatabase"
+              description="User database that can be updated and saved"
+              factory="org.apache.catalina.users.MemoryUserDatabaseFactory"
+              pathname="conf/tomcat-users.xml" />
+  </GlobalNamingResources>
+
+  <!-- A "Service" is a collection of one or more "Connectors" that share
+       a single "Container" Note:  A "Service" is not itself a "Container",
+       so you may not define subcomponents such as "Valves" at this level.
+       Documentation at /docs/config/service.html
+   -->
+  <Service name="Catalina">
+
+    <!--The connectors can use a shared executor, you can define one or more named thread pools-->
+    <!--
+    <Executor name="tomcatThreadPool" namePrefix="catalina-exec-"
+        maxThreads="150" minSpareThreads="4"/>
+    -->
+
+
+    <!-- A "Connector" represents an endpoint by which requests are received
+         and responses are returned. Documentation at :
+         Java HTTP Connector: /docs/config/http.html
+         Java AJP  Connector: /docs/config/ajp.html
+         APR (HTTP/AJP) Connector: /docs/apr.html
+         Define a non-SSL/TLS HTTP/1.1 Connector on port 8080
+    -->
+    <Connector port="8080" protocol="HTTP/1.1"
+               connectionTimeout="20000"
+               redirectPort="8443"
+               maxParameterCount="1000"
+               />
+    <!-- A "Connector" using the shared thread pool-->
+    <!--
+    <Connector executor="tomcatThreadPool"
+               port="8080" protocol="HTTP/1.1"
+               connectionTimeout="20000"
+               redirectPort="8443"
+               maxParameterCount="1000"
+               />
+    -->
+    <!-- Define an SSL/TLS HTTP/1.1 Connector on port 8443
+         This connector uses the NIO implementation. The default
+         SSLImplementation will depend on the presence of the APR/native
+         library and the useOpenSSL attribute of the AprLifecycleListener.
+         Either JSSE or OpenSSL style configuration may be used regardless of
+         the SSLImplementation selected. JSSE style configuration is used below.
+    -->
+    <!--
+    <Connector port="8443" protocol="org.apache.coyote.http11.Http11NioProtocol"
+               maxThreads="150" SSLEnabled="true"
+               maxParameterCount="1000"
+               >
+        <SSLHostConfig>
+            <Certificate certificateKeystoreFile="conf/localhost-rsa.jks"
+                         certificateKeystorePassword="changeit" type="RSA" />
+        </SSLHostConfig>
+    </Connector>
+    -->
+    <!-- Define an SSL/TLS HTTP/1.1 Connector on port 8443 with HTTP/2
+         This connector uses the APR/native implementation which always uses
+         OpenSSL for TLS.
+         Either JSSE or OpenSSL style configuration may be used. OpenSSL style
+         configuration is used below.
+    -->
+    <!--
+    <Connector port="8443" protocol="org.apache.coyote.http11.Http11AprProtocol"
+               maxThreads="150" SSLEnabled="true"
+               maxParameterCount="1000"
+               >
+        <UpgradeProtocol className="org.apache.coyote.http2.Http2Protocol" />
+        <SSLHostConfig>
+            <Certificate certificateKeyFile="conf/localhost-rsa-key.pem"
+                         certificateFile="conf/localhost-rsa-cert.pem"
+                         certificateChainFile="conf/localhost-rsa-chain.pem"
+                         type="RSA" />
+        </SSLHostConfig>
+    </Connector>
+    -->
+
+    <!-- Define an AJP 1.3 Connector on port 8009 -->
+    <!--
+    <Connector protocol="AJP/1.3"
+               address="::1"
+               port="8009"
+               redirectPort="8443"
+               maxParameterCount="1000"
+               />
+    -->
+
+    <!-- An Engine represents the entry point (within Catalina) that processes
+         every request.  The Engine implementation for Tomcat stand alone
+         analyzes the HTTP headers included with the request, and passes them
+         on to the appropriate Host (virtual host).
+         Documentation at /docs/config/engine.html -->
+
+    <!-- You should set jvmRoute to support load-balancing via AJP ie :
+    <Engine name="Catalina" defaultHost="localhost" jvmRoute="jvm1">
+    -->
+    <Engine name="Catalina" defaultHost="localhost">
+
+      <!--For clustering, please take a look at documentation at:
+          /docs/cluster-howto.html  (simple how to)
+          /docs/config/cluster.html (reference documentation) -->
+      <!--
+      <Cluster className="org.apache.catalina.ha.tcp.SimpleTcpCluster"/>
+      -->
+
+      <!-- Use the LockOutRealm to prevent attempts to guess user passwords
+           via a brute-force attack -->
+      <Realm className="org.apache.catalina.realm.LockOutRealm">
+        <!-- This Realm uses the UserDatabase configured in the global JNDI
+             resources under the key "UserDatabase".  Any edits
+             that are performed against this UserDatabase are immediately
+             available for use by the Realm.  -->
+        <Realm className="org.apache.catalina.realm.UserDatabaseRealm"
+               resourceName="UserDatabase"/>
+      </Realm>
+
+      <Host name="localhost"  appBase="webapps"
+            unpackWARs="true" autoDeploy="true">
+
+        <!-- SingleSignOn valve, share authentication between web applications
+             Documentation at: /docs/config/valve.html -->
+        <!--
+        <Valve className="org.apache.catalina.authenticator.SingleSignOn" />
+        -->
+
+        <!-- Access log processes all example.
+             Documentation at: /docs/config/valve.html
+             Note: The pattern used is equivalent to using pattern="common" -->
+        <Valve className="org.apache.catalina.valves.AccessLogValve" directory="logs"
+               prefix="localhost_access_log" suffix=".txt"
+               pattern="%h %l %u %t &quot;%r&quot; %s %b" />
+
+      </Host>
+    </Engine>
+  </Service>
+</Server>

.smarttomcat/Ecommerce/conf/tomcat-users.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  Licensed to the Apache Software Foundation (ASF) under one or more
+  contributor license agreements.  See the NOTICE file distributed with
+  this work for additional information regarding copyright ownership.
+  The ASF licenses this file to You under the Apache License, Version 2.0
+  (the "License"); you may not use this file except in compliance with
+  the License.  You may obtain a copy of the License at
+
+      http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+<tomcat-users xmlns="http://tomcat.apache.org/xml"
+              xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+              xsi:schemaLocation="http://tomcat.apache.org/xml tomcat-users.xsd"
+              version="1.0">
+<!--
+  By default, no user is included in the "manager-gui" role required
+  to operate the "/manager/html" web application.  If you wish to use this app,
+  you must define such a user - the username and password are arbitrary.
+
+  Built-in Tomcat manager roles:
+    - manager-gui    - allows access to the HTML GUI and the status pages
+    - manager-script - allows access to the HTTP API and the status pages
+    - manager-jmx    - allows access to the JMX proxy and the status pages
+    - manager-status - allows access to the status pages only
+
+  The users below are wrapped in a comment and are therefore ignored. If you
+  wish to configure one or more of these users for use with the manager web
+  application, do not forget to remove the <!.. ..> that surrounds them. You
+  will also need to set the passwords to something appropriate.
+-->
+<!--
+  <user username="admin" password="<must-be-changed>" roles="manager-gui"/>
+  <user username="robot" password="<must-be-changed>" roles="manager-script"/>
+-->
+<!--
+  The sample user and role entries below are intended for use with the
+  examples web application. They are wrapped in a comment and thus are ignored
+  when reading this file. If you wish to configure these users for use with the
+  examples web application, do not forget to remove the <!.. ..> that surrounds
+  them. You will also need to set the passwords to something appropriate.
+-->
+<!--
+  <role rolename="tomcat"/>
+  <role rolename="role1"/>
+  <user username="tomcat" password="<must-be-changed>" roles="tomcat"/>
+  <user username="both" password="<must-be-changed>" roles="tomcat,role1"/>
+  <user username="role1" password="<must-be-changed>" roles="role1"/>
+-->
+</tomcat-users>

.smarttomcat/Ecommerce/conf/tomcat-users.xsd

+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  Licensed to the Apache Software Foundation (ASF) under one or more
+  contributor license agreements.  See the NOTICE file distributed with
+  this work for additional information regarding copyright ownership.
+  The ASF licenses this file to You under the Apache License, Version 2.0
+  (the "License"); you may not use this file except in compliance with
+  the License.  You may obtain a copy of the License at
+
+      http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+<xs:schema xmlns="http://www.w3.org/2001/XMLSchema"
+           targetNamespace="http://tomcat.apache.org/xml"
+           xmlns:users="http://tomcat.apache.org/xml"
+           xmlns:xs="http://www.w3.org/2001/XMLSchema"
+           elementFormDefault="qualified"
+           attributeFormDefault="unqualified"
+           version="1.0">
+  <xs:element name="tomcat-users">
+    <xs:complexType>
+      <xs:choice minOccurs="0" maxOccurs="unbounded">
+        <xs:element name="role">
+          <xs:complexType>
+            <xs:attribute name="rolename" use="required" type="users:entityname" />
+            <xs:attribute name="description" type="xs:string" />
+          </xs:complexType>
+        </xs:element>
+        <xs:element name="group">
+          <xs:complexType>
+            <xs:attribute name="groupname" use="required" type="users:entityname" />
+            <xs:attribute name="description" type="xs:string" />
+            <xs:attribute name="roles" type="xs:string" />
+          </xs:complexType>
+        </xs:element>
+        <xs:element name="user">
+          <xs:complexType>
+            <xs:attribute name="username" use="required" type="users:entityname" />
+            <xs:attribute name="fullname" type="xs:string" />
+            <xs:attribute name="password" type="xs:string" />
+            <xs:attribute name="roles" type="xs:string" />
+            <xs:attribute name="groups" type="xs:string" />
+          </xs:complexType>
+        </xs:element>
+      </xs:choice>
+      <xs:attribute name="version" type="xs:string" />
+    </xs:complexType>
+  </xs:element>
+  <xs:simpleType name="entityname">
+    <xs:restriction base="xs:string">
+      <xs:minLength value="1"/>
+    </xs:restriction>
+  </xs:simpleType>
+</xs:schema>

conf/Catalina/localhost/Ecommerce.xml

+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<Context docBase="C:/Users/plenka/IdeaProjects/Ecommerce/src/main/webapp">
+  <Resources cacheMaxSize="10240">
+    <PreResources base="C:/Users/plenka/IdeaProjects/Ecommerce/target/classes" className="org.apache.catalina.webresources.DirResourceSet" webAppMount="/WEB-INF/classes"/>
+    <PostResources base="C:/Users/plenka/.m2/repository/javax/servlet/jsp/jstl/jstl-api/1.2/jstl-api-1.2.jar" className="org.apache.catalina.webresources.FileResourceSet" webAppMount="/WEB-INF/lib/jstl-api-1.2.jar"/>
+    <PostResources base="C:/Users/plenka/.m2/repository/javax/servlet/servlet-api/2.5/servlet-api-2.5.jar" className="org.apache.catalina.webresources.FileResourceSet" webAppMount="/WEB-INF/lib/servlet-api-2.5.jar"/>
+    <PostResources base="C:/Users/plenka/.m2/repository/javax/servlet/jsp/jsp-api/2.1/jsp-api-2.1.jar" className="org.apache.catalina.webresources.FileResourceSet" webAppMount="/WEB-INF/lib/jsp-api-2.1.jar"/>
+    <PostResources base="C:/Users/plenka/.m2/repository/org/glassfish/web/jstl-impl/1.2/jstl-impl-1.2.jar" className="org.apache.catalina.webresources.FileResourceSet" webAppMount="/WEB-INF/lib/jstl-impl-1.2.jar"/>
+    <PostResources base="C:/Users/plenka/.m2/repository/org/slf4j/slf4j-api/2.0.13/slf4j-api-2.0.13.jar" className="org.apache.catalina.webresources.FileResourceSet" webAppMount="/WEB-INF/lib/slf4j-api-2.0.13.jar"/>
+    <PostResources base="C:/Users/plenka/.m2/repository/org/slf4j/slf4j-simple/2.0.13/slf4j-simple-2.0.13.jar" className="org.apache.catalina.webresources.FileResourceSet" webAppMount="/WEB-INF/lib/slf4j-simple-2.0.13.jar"/>
+    <PostResources base="C:/Users/plenka/.m2/repository/com/mysql/mysql-connector-j/9.3.0/mysql-connector-j-9.3.0.jar" className="org.apache.catalina.webresources.FileResourceSet" webAppMount="/WEB-INF/lib/mysql-connector-j-9.3.0.jar"/>
+    <PostResources base="C:/Users/plenka/.m2/repository/com/google/protobuf/protobuf-java/4.29.0/protobuf-java-4.29.0.jar" className="org.apache.catalina.webresources.FileResourceSet" webAppMount="/WEB-INF/lib/protobuf-java-4.29.0.jar"/>
+  </Resources>
+</Context>

conf/catalina.properties

+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+#
+# List of comma-separated packages that start with or equal this string
+# will cause a security exception to be thrown when
+# passed to checkPackageAccess unless the
+# corresponding RuntimePermission ("accessClassInPackage."+package) has
+# been granted.
+package.access=sun.,org.apache.catalina.,org.apache.coyote.,org.apache.jasper.,org.apache.tomcat.
+#
+# List of comma-separated packages that start with or equal this string
+# will cause a security exception to be thrown when
+# passed to checkPackageDefinition unless the
+# corresponding RuntimePermission ("defineClassInPackage."+package) has
+# been granted.
+#
+# by default, no packages are restricted for definition, and none of
+# the class loaders supplied with the JDK call checkPackageDefinition.
+#
+package.definition=sun.,java.,org.apache.catalina.,org.apache.coyote.,\
+org.apache.jasper.,org.apache.naming.,org.apache.tomcat.
+
+#
+#
+# List of comma-separated paths defining the contents of the "common"
+# classloader. Prefixes should be used to define what is the repository type.
+# Path may be relative to the CATALINA_HOME or CATALINA_BASE path or absolute.
+# If left as blank,the JVM system loader will be used as Catalina's "common"
+# loader.
+# Examples:
+#     "foo": Add this folder as a class repository
+#     "foo/*.jar": Add all the JARs of the specified folder as class
+#                  repositories
+#     "foo/bar.jar": Add bar.jar as a class repository
+#
+# Note: Values are enclosed in double quotes ("...") in case either the
+#       ${catalina.base} path or the ${catalina.home} path contains a comma.
+#       Because double quotes are used for quoting, the double quote character
+#       may not appear in a path.
+common.loader="${catalina.base}/lib","${catalina.base}/lib/*.jar","${catalina.home}/lib","${catalina.home}/lib/*.jar"
+
+#
+# List of comma-separated paths defining the contents of the "server"
+# classloader. Prefixes should be used to define what is the repository type.
+# Path may be relative to the CATALINA_HOME or CATALINA_BASE path or absolute.
+# If left as blank, the "common" loader will be used as Catalina's "server"
+# loader.
+# Examples:
+#     "foo": Add this folder as a class repository
+#     "foo/*.jar": Add all the JARs of the specified folder as class
+#                  repositories
+#     "foo/bar.jar": Add bar.jar as a class repository
+#
+# Note: Values may be enclosed in double quotes ("...") in case either the
+#       ${catalina.base} path or the ${catalina.home} path contains a comma.
+#       Because double quotes are used for quoting, the double quote character
+#       may not appear in a path.
+server.loader=
+
+#
+# List of comma-separated paths defining the contents of the "shared"
+# classloader. Prefixes should be used to define what is the repository type.
+# Path may be relative to the CATALINA_BASE path or absolute. If left as blank,
+# the "common" loader will be used as Catalina's "shared" loader.
+# Examples:
+#     "foo": Add this folder as a class repository
+#     "foo/*.jar": Add all the JARs of the specified folder as class
+#                  repositories
+#     "foo/bar.jar": Add bar.jar as a class repository
+# Please note that for single jars, e.g. bar.jar, you need the URL form
+# starting with file:.
+#
+# Note: Values may be enclosed in double quotes ("...") in case either the
+#       ${catalina.base} path or the ${catalina.home} path contains a comma.
+#       Because double quotes are used for quoting, the double quote character
+#       may not appear in a path.
+shared.loader=
+
+# Default list of JAR files that should not be scanned using the JarScanner
+# functionality. This is typically used to scan JARs for configuration
+# information. JARs that do not contain such information may be excluded from
+# the scan to speed up the scanning process. This is the default list. JARs on
+# this list are excluded from all scans. The list must be a comma separated list
+# of JAR file names.
+# The list of JARs to skip may be over-ridden at a Context level for individual
+# scan types by configuring a JarScanner with a nested JarScanFilter.
+# The JARs listed below include:
+# - Tomcat Bootstrap JARs
+# - Tomcat API JARs
+# - Catalina JARs
+# - Jasper JARs
+# - Tomcat JARs
+# - Common non-Tomcat JARs
+# - Test JARs (JUnit, Cobertura and dependencies)
+tomcat.util.scan.StandardJarScanFilter.jarsToSkip=\
+annotations-api.jar,\
+ant-junit*.jar,\
+ant-launcher*.jar,\
+ant*.jar,\
+asm-*.jar,\
+aspectj*.jar,\
+bcel*.jar,\
+biz.aQute.bnd*.jar,\
+bootstrap.jar,\
+catalina-ant.jar,\
+catalina-ha.jar,\
+catalina-ssi.jar,\
+catalina-storeconfig.jar,\
+catalina-tribes.jar,\
+catalina.jar,\
+cglib-*.jar,\
+cobertura-*.jar,\
+commons-beanutils*.jar,\
+commons-codec*.jar,\
+commons-collections*.jar,\
+commons-compress*.jar,\
+commons-daemon.jar,\
+commons-dbcp*.jar,\
+commons-digester*.jar,\
+commons-fileupload*.jar,\
+commons-httpclient*.jar,\
+commons-io*.jar,\
+commons-lang*.jar,\
+commons-logging*.jar,\
+commons-math*.jar,\
+commons-pool*.jar,\
+derby-*.jar,\
+dom4j-*.jar,\
+easymock-*.jar,\
+ecj-*.jar,\
+el-api.jar,\
+geronimo-spec-jaxrpc*.jar,\
+h2*.jar,\
+ha-api-*.jar,\
+hamcrest-*.jar,\
+hibernate*.jar,\
+httpclient*.jar,\
+icu4j-*.jar,\
+jasper-el.jar,\
+jasper.jar,\
+jaspic-api.jar,\
+jaxb-*.jar,\
+jaxen-*.jar,\
+jaxws-rt-*.jar,\
+jdom-*.jar,\
+jetty-*.jar,\
+jmx-tools.jar,\
+jmx.jar,\
+jsp-api.jar,\
+jstl.jar,\
+jta*.jar,\
+junit-*.jar,\
+junit.jar,\
+log4j*.jar,\
+mail*.jar,\
+objenesis-*.jar,\
+oraclepki.jar,\
+org.hamcrest.core_*.jar,\
+org.junit_*.jar,\
+oro-*.jar,\
+servlet-api-*.jar,\
+servlet-api.jar,\
+slf4j*.jar,\
+taglibs-standard-spec-*.jar,\
+tagsoup-*.jar,\
+tomcat-api.jar,\
+tomcat-coyote.jar,\
+tomcat-coyote-ffm.jar,\
+tomcat-dbcp.jar,\
+tomcat-i18n-*.jar,\
+tomcat-jdbc.jar,\
+tomcat-jni.jar,\
+tomcat-juli-adapters.jar,\
+tomcat-juli.jar,\
+tomcat-util-scan.jar,\
+tomcat-util.jar,\
+tomcat-websocket.jar,\
+tools.jar,\
+unboundid-ldapsdk-*.jar,\
+websocket-api.jar,\
+wsdl4j*.jar,\
+xercesImpl.jar,\
+xml-apis.jar,\
+xmlParserAPIs-*.jar,\
+xmlParserAPIs.jar,\
+xom-*.jar
+
+# Default list of JAR files that should be scanned that overrides the default
+# jarsToSkip list above. This is typically used to include a specific JAR that
+# has been excluded by a broad file name pattern in the jarsToSkip list.
+# The list of JARs to scan may be over-ridden at a Context level for individual
+# scan types by configuring a JarScanner with a nested JarScanFilter.
+tomcat.util.scan.StandardJarScanFilter.jarsToScan=\
+log4j-taglib*.jar,\
+log4j-web*.jar,\
+log4javascript*.jar,\
+slf4j-taglib*.jar
+
+# String cache configuration.
+tomcat.util.buf.StringCache.byte.enabled=true
+#tomcat.util.buf.StringCache.char.enabled=true
+#tomcat.util.buf.StringCache.trainThreshold=500000
+#tomcat.util.buf.StringCache.cacheSize=5000
+
+# Disable use of some privilege blocks Tomcat doesn't need since calls to the
+# code in question are always already inside a privilege block
+org.apache.el.GET_CLASSLOADER_USE_PRIVILEGED=false

conf/context.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  Licensed to the Apache Software Foundation (ASF) under one or more
+  contributor license agreements.  See the NOTICE file distributed with
+  this work for additional information regarding copyright ownership.
+  The ASF licenses this file to You under the Apache License, Version 2.0
+  (the "License"); you may not use this file except in compliance with
+  the License.  You may obtain a copy of the License at
+
+      http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+<!-- The contents of this file will be loaded for each web application -->
+<Context>
+
+    <!-- Default set of monitored resources. If one of these changes, the    -->
+    <!-- web application will be reloaded.                                   -->
+    <WatchedResource>WEB-INF/web.xml</WatchedResource>
+    <WatchedResource>WEB-INF/tomcat-web.xml</WatchedResource>
+    <WatchedResource>${catalina.base}/conf/web.xml</WatchedResource>
+
+    <!-- Uncomment this to disable session persistence across Tomcat restarts -->
+    <!--
+    <Manager pathname="" />
+    -->
+</Context>

conf/jaspic-providers.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  Licensed to the Apache Software Foundation (ASF) under one or more
+  contributor license agreements.  See the NOTICE file distributed with
+  this work for additional information regarding copyright ownership.
+  The ASF licenses this file to You under the Apache License, Version 2.0
+  (the "License"); you may not use this file except in compliance with
+  the License.  You may obtain a copy of the License at
+
+      http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+<jaspic-providers xmlns="http://tomcat.apache.org/xml"
+                  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+                  xsi:schemaLocation="http://tomcat.apache.org/xml jaspic-providers.xsd"
+                  version="1.0">
+  <!-- No JASPIC providers configured by default -->
+</jaspic-providers>

conf/jaspic-providers.xsd

+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  Licensed to the Apache Software Foundation (ASF) under one or more
+  contributor license agreements.  See the NOTICE file distributed with
+  this work for additional information regarding copyright ownership.
+  The ASF licenses this file to You under the Apache License, Version 2.0
+  (the "License"); you may not use this file except in compliance with
+  the License.  You may obtain a copy of the License at
+
+      http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+<xs:schema xmlns="http://www.w3.org/2001/XMLSchema"
+           targetNamespace="http://tomcat.apache.org/xml"
+           xmlns:jaspic="http://tomcat.apache.org/xml"
+           xmlns:xs="http://www.w3.org/2001/XMLSchema"
+           elementFormDefault="qualified"
+           attributeFormDefault="unqualified"
+           version="1.0">
+  <xs:element name="jaspic-providers">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element name="provider" minOccurs="0" maxOccurs="unbounded">
+          <xs:complexType>
+            <xs:sequence>
+              <xs:element name="property" minOccurs="0" maxOccurs="unbounded">
+                <xs:complexType>
+                  <xs:attribute name="name" use="required" type="jaspic:propertyname" />
+                  <xs:attribute name="value" use="required" type="xs:string" />
+                </xs:complexType>
+              </xs:element>
+            </xs:sequence>
+            <xs:attribute name="className" type="xs:string" />
+            <xs:attribute name="layer" type="xs:string" />
+            <xs:attribute name="appContext" type="xs:string" />
+            <xs:attribute name="description" type="xs:string" />
+          </xs:complexType>
+        </xs:element>
+      </xs:sequence>
+      <xs:attribute name="version" type="xs:string" />
+    </xs:complexType>
+  </xs:element>
+  <xs:simpleType name="propertyname">
+    <xs:restriction base="xs:string">
+      <xs:minLength value="1"/>
+    </xs:restriction>
+  </xs:simpleType>
+</xs:schema>
\ No newline at end of file

conf/logging.properties

+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+handlers = 1catalina.org.apache.juli.AsyncFileHandler, 2localhost.org.apache.juli.AsyncFileHandler, 3manager.org.apache.juli.AsyncFileHandler, 4host-manager.org.apache.juli.AsyncFileHandler, java.util.logging.ConsoleHandler
+
+.handlers = 1catalina.org.apache.juli.AsyncFileHandler, java.util.logging.ConsoleHandler
+
+############################################################
+# Handler specific properties.
+# Describes specific configuration info for Handlers.
+############################################################
+
+1catalina.org.apache.juli.AsyncFileHandler.level = ALL
+1catalina.org.apache.juli.AsyncFileHandler.directory = ${catalina.base}/logs
+1catalina.org.apache.juli.AsyncFileHandler.prefix = catalina.
+1catalina.org.apache.juli.AsyncFileHandler.maxDays = 90
+1catalina.org.apache.juli.AsyncFileHandler.encoding = UTF-8
+
+2localhost.org.apache.juli.AsyncFileHandler.level = ALL
+2localhost.org.apache.juli.AsyncFileHandler.directory = ${catalina.base}/logs
+2localhost.org.apache.juli.AsyncFileHandler.prefix = localhost.
+2localhost.org.apache.juli.AsyncFileHandler.maxDays = 90
+2localhost.org.apache.juli.AsyncFileHandler.encoding = UTF-8
+
+3manager.org.apache.juli.AsyncFileHandler.level = ALL
+3manager.org.apache.juli.AsyncFileHandler.directory = ${catalina.base}/logs
+3manager.org.apache.juli.AsyncFileHandler.prefix = manager.
+3manager.org.apache.juli.AsyncFileHandler.maxDays = 90
+3manager.org.apache.juli.AsyncFileHandler.encoding = UTF-8
+
+4host-manager.org.apache.juli.AsyncFileHandler.level = ALL
+4host-manager.org.apache.juli.AsyncFileHandler.directory = ${catalina.base}/logs
+4host-manager.org.apache.juli.AsyncFileHandler.prefix = host-manager.
+4host-manager.org.apache.juli.AsyncFileHandler.maxDays = 90
+4host-manager.org.apache.juli.AsyncFileHandler.encoding = UTF-8
+
+java.util.logging.ConsoleHandler.level = ALL
+java.util.logging.ConsoleHandler.formatter = org.apache.juli.OneLineFormatter
+java.util.logging.ConsoleHandler.encoding = UTF-8
+
+
+############################################################
+# Facility specific properties.
+# Provides extra control for each logger.
+############################################################
+
+org.apache.catalina.core.ContainerBase.[Catalina].[localhost].level = INFO
+org.apache.catalina.core.ContainerBase.[Catalina].[localhost].handlers = 2localhost.org.apache.juli.AsyncFileHandler
+
+org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/manager].level = INFO
+org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/manager].handlers = 3manager.org.apache.juli.AsyncFileHandler
+
+org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/host-manager].level = INFO
+org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/host-manager].handlers = 4host-manager.org.apache.juli.AsyncFileHandler
+
+# For example, set the org.apache.catalina.util.LifecycleBase logger to log
+# each component that extends LifecycleBase changing state:
+#org.apache.catalina.util.LifecycleBase.level = FINE
+
+# To see debug messages for HTTP/2 handling, uncomment the following line:
+#org.apache.coyote.http2.level = FINE
+
+# To see debug messages for WebSocket handling, uncomment the following line:
+#org.apache.tomcat.websocket.level = FINE

conf/server.xml

+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!--
+  Licensed to the Apache Software Foundation (ASF) under one or more
+  contributor license agreements.  See the NOTICE file distributed with
+  this work for additional information regarding copyright ownership.
+  The ASF licenses this file to You under the Apache License, Version 2.0
+  (the "License"); you may not use this file except in compliance with
+  the License.  You may obtain a copy of the License at
+
+      http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+--><!-- Note:  A "Server" is not itself a "Container", so you may not
+     define subcomponents such as "Valves" at this level.
+     Documentation at /docs/config/server.html
+ --><Server port="8005" shutdown="SHUTDOWN">
+    
+  <Listener className="org.apache.catalina.startup.VersionLoggerListener"/>
+    
+  <!-- Security listener. Documentation at /docs/config/listeners.html
+  <Listener className="org.apache.catalina.security.SecurityListener" />
+  -->
+    
+  <!-- APR connector and OpenSSL support using Tomcat Native -->
+    
+  <Listener className="org.apache.catalina.core.AprLifecycleListener"/>
+    
+  <!-- OpenSSL support using FFM API from Java 22 -->
+    
+  <!-- <Listener className="org.apache.catalina.core.OpenSSLLifecycleListener" /> -->
+    
+  <!-- Prevent memory leaks due to use of particular java/javax APIs-->
+    
+  <Listener className="org.apache.catalina.core.JreMemoryLeakPreventionListener"/>
+    
+  <Listener className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener"/>
+    
+  <Listener className="org.apache.catalina.core.ThreadLocalLeakPreventionListener"/>
+    
+  <!-- Global JNDI resources
+       Documentation at /docs/jndi-resources-howto.html
+  -->
+    
+  <GlobalNamingResources>
+        
+    <!-- Editable user database that can also be used by
+         UserDatabaseRealm to authenticate users
+    -->
+        
+    <Resource auth="Container" description="User database that can be updated and saved" factory="org.apache.catalina.users.MemoryUserDatabaseFactory" name="UserDatabase" pathname="conf/tomcat-users.xml" type="org.apache.catalina.UserDatabase"/>
+      
+  </GlobalNamingResources>
+    
+  <!-- A "Service" is a collection of one or more "Connectors" that share
+       a single "Container" Note:  A "Service" is not itself a "Container",
+       so you may not define subcomponents such as "Valves" at this level.
+       Documentation at /docs/config/service.html
+   -->
+    
+  <Service name="Catalina">
+        
+    <!--The connectors can use a shared executor, you can define one or more named thread pools-->
+        
+    <!--
+    <Executor name="tomcatThreadPool" namePrefix="catalina-exec-"
+        maxThreads="150" minSpareThreads="4"/>
+    -->
+        
+    <!-- A "Connector" represents an endpoint by which requests are received
+         and responses are returned. Documentation at :
+         Java HTTP Connector: /docs/config/http.html
+         Java AJP  Connector: /docs/config/ajp.html
+         APR (HTTP/AJP) Connector: /docs/apr.html
+         Define a non-SSL/TLS HTTP/1.1 Connector on port 8080
+    -->
+        
+    <Connector connectionTimeout="20000" maxParameterCount="1000" port="8080" protocol="HTTP/1.1"/>
+        
+    <!-- A "Connector" using the shared thread pool-->
+        
+    <!--
+    <Connector executor="tomcatThreadPool"
+               port="8080" protocol="HTTP/1.1"
+               connectionTimeout="20000"
+               redirectPort="8443"
+               maxParameterCount="1000"
+               />
+    -->
+        
+    <!-- Define an SSL/TLS HTTP/1.1 Connector on port 8443
+         This connector uses the NIO implementation. The default
+         SSLImplementation will depend on the presence of the APR/native
+         library and the useOpenSSL attribute of the AprLifecycleListener.
+         Either JSSE or OpenSSL style configuration may be used regardless of
+         the SSLImplementation selected. JSSE style configuration is used below.
+    -->
+        
+    <!--
+    <Connector port="8443" protocol="org.apache.coyote.http11.Http11NioProtocol"
+               maxThreads="150" SSLEnabled="true"
+               maxParameterCount="1000"
+               >
+        <SSLHostConfig>
+            <Certificate certificateKeystoreFile="conf/localhost-rsa.jks"
+                         certificateKeystorePassword="changeit" type="RSA" />
+        </SSLHostConfig>
+    </Connector>
+    -->
+        
+    <!-- Define an SSL/TLS HTTP/1.1 Connector on port 8443 with HTTP/2
+         This connector uses the APR/native implementation which always uses
+         OpenSSL for TLS.
+         Either JSSE or OpenSSL style configuration may be used. OpenSSL style
+         configuration is used below.
+    -->
+        
+    <!--
+    <Connector port="8443" protocol="org.apache.coyote.http11.Http11AprProtocol"
+               maxThreads="150" SSLEnabled="true"
+               maxParameterCount="1000"
+               >
+        <UpgradeProtocol className="org.apache.coyote.http2.Http2Protocol" />
+        <SSLHostConfig>
+            <Certificate certificateKeyFile="conf/localhost-rsa-key.pem"
+                         certificateFile="conf/localhost-rsa-cert.pem"
+                         certificateChainFile="conf/localhost-rsa-chain.pem"
+                         type="RSA" />
+        </SSLHostConfig>
+    </Connector>
+    -->
+        
+    <!-- Define an AJP 1.3 Connector on port 8009 -->
+        
+    <!--
+    <Connector protocol="AJP/1.3"
+               address="::1"
+               port="8009"
+               redirectPort="8443"
+               maxParameterCount="1000"
+               />
+    -->
+        
+    <!-- An Engine represents the entry point (within Catalina) that processes
+         every request.  The Engine implementation for Tomcat stand alone
+         analyzes the HTTP headers included with the request, and passes them
+         on to the appropriate Host (virtual host).
+         Documentation at /docs/config/engine.html -->
+        
+    <!-- You should set jvmRoute to support load-balancing via AJP ie :
+    <Engine name="Catalina" defaultHost="localhost" jvmRoute="jvm1">
+    -->
+        
+    <Engine defaultHost="localhost" name="Catalina">
+            
+      <!--For clustering, please take a look at documentation at:
+          /docs/cluster-howto.html  (simple how to)
+          /docs/config/cluster.html (reference documentation) -->
+            
+      <!--
+      <Cluster className="org.apache.catalina.ha.tcp.SimpleTcpCluster"/>
+      -->
+            
+      <!-- Use the LockOutRealm to prevent attempts to guess user passwords
+           via a brute-force attack -->
+            
+      <Realm className="org.apache.catalina.realm.LockOutRealm">
+                
+        <!-- This Realm uses the UserDatabase configured in the global JNDI
+             resources under the key "UserDatabase".  Any edits
+             that are performed against this UserDatabase are immediately
+             available for use by the Realm.  -->
+                
+        <Realm className="org.apache.catalina.realm.UserDatabaseRealm" resourceName="UserDatabase"/>
+              
+      </Realm>
+            
+      <Host appBase="webapps" autoDeploy="true" name="localhost" unpackWARs="true">
+                
+        <!-- SingleSignOn valve, share authentication between web applications
+             Documentation at: /docs/config/valve.html -->
+                
+        <!--
+        <Valve className="org.apache.catalina.authenticator.SingleSignOn" />
+        -->
+                
+        <!-- Access log processes all example.
+             Documentation at: /docs/config/valve.html
+             Note: The pattern used is equivalent to using pattern="common" -->
+                
+        <Valve className="org.apache.catalina.valves.AccessLogValve" directory="logs" pattern="%h %l %u %t &quot;%r&quot; %s %b" prefix="localhost_access_log" suffix=".txt"/>
+              
+      </Host>
+          
+    </Engine>
+      
+  </Service>
+  
+</Server>

conf/tomcat-users.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  Licensed to the Apache Software Foundation (ASF) under one or more
+  contributor license agreements.  See the NOTICE file distributed with
+  this work for additional information regarding copyright ownership.
+  The ASF licenses this file to You under the Apache License, Version 2.0
+  (the "License"); you may not use this file except in compliance with
+  the License.  You may obtain a copy of the License at
+
+      http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+<tomcat-users xmlns="http://tomcat.apache.org/xml"
+              xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+              xsi:schemaLocation="http://tomcat.apache.org/xml tomcat-users.xsd"
+              version="1.0">
+<!--
+  By default, no user is included in the "manager-gui" role required
+  to operate the "/manager/html" web application.  If you wish to use this app,
+  you must define such a user - the username and password are arbitrary.
+
+  Built-in Tomcat manager roles:
+    - manager-gui    - allows access to the HTML GUI and the status pages
+    - manager-script - allows access to the HTTP API and the status pages
+    - manager-jmx    - allows access to the JMX proxy and the status pages
+    - manager-status - allows access to the status pages only
+
+  The users below are wrapped in a comment and are therefore ignored. If you
+  wish to configure one or more of these users for use with the manager web
+  application, do not forget to remove the <!.. ..> that surrounds them. You
+  will also need to set the passwords to something appropriate.
+-->
+<!--
+  <user username="admin" password="<must-be-changed>" roles="manager-gui"/>
+  <user username="robot" password="<must-be-changed>" roles="manager-script"/>
+-->
+<!--
+  The sample user and role entries below are intended for use with the
+  examples web application. They are wrapped in a comment and thus are ignored
+  when reading this file. If you wish to configure these users for use with the
+  examples web application, do not forget to remove the <!.. ..> that surrounds
+  them. You will also need to set the passwords to something appropriate.
+-->
+<!--
+  <role rolename="tomcat"/>
+  <role rolename="role1"/>
+  <user username="tomcat" password="<must-be-changed>" roles="tomcat"/>
+  <user username="both" password="<must-be-changed>" roles="tomcat,role1"/>
+  <user username="role1" password="<must-be-changed>" roles="role1"/>
+-->
+</tomcat-users>

conf/tomcat-users.xsd

+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  Licensed to the Apache Software Foundation (ASF) under one or more
+  contributor license agreements.  See the NOTICE file distributed with
+  this work for additional information regarding copyright ownership.
+  The ASF licenses this file to You under the Apache License, Version 2.0
+  (the "License"); you may not use this file except in compliance with
+  the License.  You may obtain a copy of the License at
+
+      http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+<xs:schema xmlns="http://www.w3.org/2001/XMLSchema"
+           targetNamespace="http://tomcat.apache.org/xml"
+           xmlns:users="http://tomcat.apache.org/xml"
+           xmlns:xs="http://www.w3.org/2001/XMLSchema"
+           elementFormDefault="qualified"
+           attributeFormDefault="unqualified"
+           version="1.0">
+  <xs:element name="tomcat-users">
+    <xs:complexType>
+      <xs:choice minOccurs="0" maxOccurs="unbounded">
+        <xs:element name="role">
+          <xs:complexType>
+            <xs:attribute name="rolename" use="required" type="users:entityname" />
+            <xs:attribute name="description" type="xs:string" />
+          </xs:complexType>
+        </xs:element>
+        <xs:element name="group">
+          <xs:complexType>
+            <xs:attribute name="groupname" use="required" type="users:entityname" />
+            <xs:attribute name="description" type="xs:string" />
+            <xs:attribute name="roles" type="xs:string" />
+          </xs:complexType>
+        </xs:element>
+        <xs:element name="user">
+          <xs:complexType>
+            <xs:attribute name="username" use="required" type="users:entityname" />
+            <xs:attribute name="fullname" type="xs:string" />
+            <xs:attribute name="password" type="xs:string" />
+            <xs:attribute name="roles" type="xs:string" />
+            <xs:attribute name="groups" type="xs:string" />
+          </xs:complexType>
+        </xs:element>
+      </xs:choice>
+      <xs:attribute name="version" type="xs:string" />
+    </xs:complexType>
+  </xs:element>
+  <xs:simpleType name="entityname">
+    <xs:restriction base="xs:string">
+      <xs:minLength value="1"/>
+    </xs:restriction>
+  </xs:simpleType>
+</xs:schema>

pom.xml

+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+  <groupId>com.nisum</groupId>
+  <artifactId>Ecommerce</artifactId>
+  <packaging>war</packaging>
+  <version>1.0-SNAPSHOT</version>
+  <name>Ecommerce Maven Webapp</name>
+  <url>http://maven.apache.org</url>
+  <dependencies>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <version>3.8.1</version>
+      <scope>test</scope>
+    </dependency>
+    <!-- Servlet API -->
+    <dependency>
+      <groupId>javax.servlet</groupId>
+      <artifactId>javax.servlet-api</artifactId>
+      <version>4.0.1</version>
+      <scope>provided</scope>
+    </dependency>
+    <!-- JSP Standard Tag Library -->
+    <dependency>
+      <groupId>javax.servlet.jsp.jstl</groupId>
+      <artifactId>jstl-api</artifactId>
+      <version>1.2</version>
+    </dependency>
+    <dependency>
+      <groupId>org.glassfish.web</groupId>
+      <artifactId>jstl-impl</artifactId>
+      <version>1.2</version>
+    </dependency>
+    <dependency>
+      <groupId>org.slf4j</groupId>
+      <artifactId>slf4j-api</artifactId>
+      <version>2.0.13</version>
+    </dependency>
+    <dependency>
+      <groupId>org.slf4j</groupId>
+      <artifactId>slf4j-simple</artifactId>
+      <version>2.0.13</version>
+    </dependency>
+    <!-- https://mvnrepository.com/artifact/com.mysql/mysql-connector-j -->
+    <dependency>
+      <groupId>com.mysql</groupId>
+      <artifactId>mysql-connector-j</artifactId>
+      <version>9.3.0</version>
+    </dependency>
+
+  </dependencies>
+  <build>
+    <finalName>Ecommerce</finalName>
+
+    <plugins>
+      <!-- Compiler plugin -->
+      <plugin>
+        <artifactId>maven-compiler-plugin</artifactId>
+        <version>3.11.0</version>
+        <configuration>
+          <source>1.8</source>
+          <target>1.8</target>
+        </configuration>
+      </plugin>
+
+      <!-- WAR Plugin -->
+      <plugin>
+        <artifactId>maven-war-plugin</artifactId>
+        <version>3.4.0</version>
+        <configuration>
+          <failOnMissingWebXml>false</failOnMissingWebXml>
+        </configuration>
+      </plugin>
+    </plugins>
+
+  </build>
+</project>

src/main/java/com/nisum/dao/AddressDAO.java

+package com.nisum.dao;
+
+import com.nisum.model.UserAddress;
+import com.nisum.util.DBConnection;
+
+import java.sql.*;
+import java.util.ArrayList;
+import java.util.List;
+
+public class AddressDAO {
+
+    public List<UserAddress> getUserAddresses(int userId) throws SQLException {
+        List<UserAddress> list = new ArrayList<>();
+        String sql = "SELECT * FROM UserAddresses WHERE UserID = ?";
+        try (Connection conn = DBConnection.get();
+             PreparedStatement ps = conn.prepareStatement(sql)) {
+            ps.setInt(1, userId);
+            try (ResultSet rs = ps.executeQuery()) {
+                while (rs.next()) {
+                    list.add(mapAddress(rs));
+                }
+            }
+        }
+        return list;
+    }
+
+    public UserAddress getById(int addressId) throws SQLException {
+        String sql = "SELECT * FROM UserAddresses WHERE AddressID = ?";
+        try (Connection conn = DBConnection.get();
+             PreparedStatement ps = conn.prepareStatement(sql)) {
+            ps.setInt(1, addressId);
+            try (ResultSet rs = ps.executeQuery()) {
+                if (rs.next()) {
+                    return mapAddress(rs);
+                }
+            }
+        }
+        return null;
+    }
+
+    public UserAddress getByUserId(int userId) throws SQLException {
+        String sql = "SELECT * FROM UserAddresses WHERE UserID = ?";
+        try (Connection conn = DBConnection.get();
+             PreparedStatement ps = conn.prepareStatement(sql)) {
+            ps.setInt(1, userId);
+            try (ResultSet rs = ps.executeQuery()) {
+                if (rs.next()) {
+                    return mapAddress(rs);
+                }
+            }
+        }
+        return null;
+    }
+
+    public int addAddress(UserAddress addr) throws SQLException {
+        String sql = "INSERT INTO UserAddresses (UserID, AddressLine1, AddressLine2, ZipCode, State, Country) "
+                + "VALUES (?, ?, ?, ?, ?, ?)";
+        try (Connection conn = DBConnection.get();
+             PreparedStatement ps = conn.prepareStatement(sql, Statement.RETURN_GENERATED_KEYS)) {
+            ps.setInt(1, addr.getUserId());
+            ps.setString(2, addr.getAddressLine1());
+            ps.setString(3, addr.getAddressLine2());
+            ps.setString(4, addr.getZipCode());
+            ps.setString(5, addr.getState());
+            ps.setString(6, addr.getCountry());
+            ps.executeUpdate();
+
+            try (ResultSet keys = ps.getGeneratedKeys()) {
+                if (keys.next()) {
+                    return keys.getInt(1);
+                }
+            }
+        }
+        throw new SQLException("Creating address failed, no ID obtained.");
+    }
+
+    public void updateAddress(UserAddress addr) throws SQLException {
+        String sql = "UPDATE UserAddresses SET "
+                + "AddressLine1 = ?, AddressLine2 = ?, ZipCode = ?, State = ?, Country = ? "
+                + "WHERE AddressID = ?";
+        try (Connection conn = DBConnection.get();
+             PreparedStatement ps = conn.prepareStatement(sql)) {
+            ps.setString(1, addr.getAddressLine1());
+            ps.setString(2, addr.getAddressLine2());
+            ps.setString(3, addr.getZipCode());
+            ps.setString(4, addr.getState());
+            ps.setString(5, addr.getCountry());
+            ps.setInt(6, addr.getAddressId());
+            ps.executeUpdate();
+        }
+    }
+
+    public void deleteAddress(int addressId) throws SQLException {
+        String sql = "DELETE FROM UserAddresses WHERE AddressID = ?";
+        try (Connection conn = DBConnection.get();
+             PreparedStatement ps = conn.prepareStatement(sql)) {
+            ps.setInt(1, addressId);
+            ps.executeUpdate();
+        }
+    }
+
+    private UserAddress mapAddress(ResultSet rs) throws SQLException {
+        return new UserAddress(
+                rs.getInt("AddressID"),
+                rs.getInt("UserID"),
+                rs.getString("AddressLine1"),
+                rs.getString("AddressLine2"),
+                rs.getString("ZipCode"),
+                rs.getString("State"),
+                rs.getString("Country")
+        );
+    }
+}

src/main/java/com/nisum/dao/CartDAO.java

+package com.nisum.dao;
+
+import com.nisum.model.CartItem;
+import com.nisum.model.ShoppingCart;
+import com.nisum.util.DBConnection;
+
+import java.math.BigDecimal;
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.List;
+import java.sql.Statement;
+
+public class CartDAO {
+
+    public ShoppingCart getOrCreateCart(int userId) throws SQLException {
+        String sql = "SELECT * FROM ShoppingCart WHERE UserID = ?";
+        try (Connection conn = DBConnection.get();
+             PreparedStatement ps = conn.prepareStatement(sql)) {
+            ps.setInt(1, userId);
+            ResultSet rs = ps.executeQuery();
+            if (rs.next()) {
+                return extractCart(rs);
+
+            } else {
+                // create cart
+                String insert = "INSERT INTO ShoppingCart (UserID, CartTotal, CreatedDate, LastUpdatedDate) VALUES (?, 0.0, NOW(), NOW())";
+                PreparedStatement ins = conn.prepareStatement(insert, Statement.RETURN_GENERATED_KEYS);
+                ins.setInt(1, userId);
+                ins.executeUpdate();
+                ResultSet keys = ins.getGeneratedKeys();
+                if (keys.next()) {
+                    int cartId = keys.getInt(1);
+                    return new ShoppingCart(cartId, userId, BigDecimal.ZERO, new Date(), new Date());
+                }
+            }
+        }
+        return null;
+    }
+    public void addToCart(int cartId, int productId, int quantity) throws SQLException {
+        String selectSql = "SELECT SKU, DiscountPrice, Discount FROM ProductCategory WHERE ProductID = ?";
+        String insertSql = "INSERT INTO CartItems (CartID, ProductID, SKU, Quantity, UnitPrice, Discount, FinalPrice, IsSavedForLater) " +
+                "VALUES (?, ?, ?, ?, ?, ?, ?, 0) " +
+                "ON DUPLICATE KEY UPDATE Quantity = Quantity + ?, FinalPrice = FinalPrice + ?";
+
+        try (Connection conn = DBConnection.get();
+             PreparedStatement selectStmt = conn.prepareStatement(selectSql)) {
+
+            selectStmt.setInt(1, productId);
+            try (ResultSet rs = selectStmt.executeQuery()) {
+                if (!rs.next()) {
+                    throw new SQLException("ProductCategory entry with ProductID " + productId + " not found.");
+                }
+
+                String sku = rs.getString("SKU");
+                BigDecimal price = rs.getBigDecimal("DiscountPrice");
+                BigDecimal discount = rs.getBigDecimal("Discount");
+                BigDecimal finalPrice = price.multiply(BigDecimal.valueOf(quantity));
+
+                try (PreparedStatement insertStmt = conn.prepareStatement(insertSql)) {
+                    insertStmt.setInt(1, cartId);
+                    insertStmt.setInt(2, productId);
+                    insertStmt.setString(3, sku);
+                    insertStmt.setInt(4, quantity);
+                    insertStmt.setBigDecimal(5, price);
+                    insertStmt.setBigDecimal(6, discount != null ? discount : BigDecimal.ZERO);
+                    insertStmt.setBigDecimal(7, finalPrice);
+
+                    // For ON DUPLICATE KEY UPDATE
+                    insertStmt.setInt(8, quantity);
+                    insertStmt.setBigDecimal(9, finalPrice);
+                    System.out.println("insert parameters");
+                    insertStmt.executeUpdate();
+                }
+            }
+        }
+    }
+
+
+    public List<CartItem> getCartItems(int userId) throws SQLException {
+        List<CartItem> list = new ArrayList<>();
+
+        String sql = "SELECT ci.CartItemID, p.ProductName, p.imageurl as imageurl,  pa2.AttributeValue AS Color, " +
+                "ci.Quantity AS CartQty, ci.UnitPrice, ci.Discount, ci.FinalPrice, " +
+                "pi.Quantity AS StockQty, " +
+                "CASE WHEN pi.Quantity >= ci.Quantity THEN 'In Stock' ELSE 'Out of Stock' END AS StockStatus, " +
+                "pc.Discount AS DiscountPercent, sc.CartTotal " +
+                "FROM ShoppingCart sc " +
+                "JOIN CartItems ci ON sc.CartID = ci.CartID " +
+                "JOIN Product p ON ci.ProductID = p.ProductID " +
+                "LEFT JOIN ProductInventory pi ON ci.SKU = pi.SKU " +
+                "LEFT JOIN ProductCategory pc ON p.ProductID = pc.ProductID AND ci.SKU = pc.SKU " +
+                "LEFT JOIN ProductAttributes pa2 ON pa2.ProductID = p.ProductID AND pa2.AttributeName = 'Color' " +
+                "WHERE sc.UserID = ?";
+
+        try (Connection conn = DBConnection.get();
+             PreparedStatement ps = conn.prepareStatement(sql)) {
+            ps.setInt(1, userId);
+            ResultSet rs = ps.executeQuery();
+
+            while (rs.next()) {
+                CartItem item = new CartItem();
+                item.setCartItemId(rs.getInt("CartItemID"));
+                item.setProductName(rs.getString("ProductName"));
+                item.setColor(rs.getString("Color"));
+                item.setQuantity(rs.getInt("CartQty"));
+                item.setUnitPrice(rs.getDouble("UnitPrice"));
+                item.setDiscount(rs.getDouble("Discount"));
+                item.setFinalPrice(rs.getDouble("FinalPrice"));
+                item.setStockStatus(rs.getString("StockStatus"));
+                item.setDiscountPercent(rs.getInt("DiscountPercent"));
+                item.setImageurl(rs.getString("imageurl"));
+
+                list.add(item);
+
+                System.out.println(item);
+            }
+        }
+        System.out.println(list);
+        return list;
+    }
+
+    private ShoppingCart extractCart(ResultSet rs) throws SQLException {
+        return new ShoppingCart(
+                rs.getInt("CartID"),
+                rs.getInt("UserID"),
+                rs.getBigDecimal("CartTotal"),
+                rs.getTimestamp("CreatedDate"),
+                rs.getTimestamp("LastUpdatedDate")
+        );
+    }
+}
+

src/main/java/com/nisum/dao/OrderDAO.java

+package com.nisum.dao;
+
+import com.nisum.model.CartItem;
+
+import com.nisum.model.Order;
+
+import com.nisum.util.DBConnection;
+
+import java.math.BigDecimal;
+
+import java.sql.*;
+
+import java.util.ArrayList;
+
+import java.util.List;
+
+public class OrderDAO {
+
+    /**
+
+     * Places an order: writes to Orders and OrderItems, returns new OrderID.
+
+     */
+
+    public static int placeOrder(int userId, int shippingAddrId, int billingAddrId,
+
+                          String paymentMethod, List<CartItem> items, BigDecimal total)
+
+            throws SQLException {
+
+        String insertOrder = "INSERT INTO Orders "
+
+                + "(UserID, ShippingAddressID, BillingAddressID, PaymentMethod, TotalAmount, OrderDate) "
+
+                + "VALUES (?, ?, ?, ?, ?, NOW())";
+
+        try (Connection conn = DBConnection.get()) {
+
+            conn.setAutoCommit(false);
+
+            int orderId;
+
+            try (PreparedStatement ps = conn.prepareStatement(insertOrder, Statement.RETURN_GENERATED_KEYS)) {
+
+                ps.setInt(1, userId);
+
+                ps.setInt(2, shippingAddrId);
+
+                ps.setInt(3, billingAddrId);
+
+                ps.setString(4, paymentMethod);
+
+                ps.setBigDecimal(5, total);
+
+                ps.executeUpdate();
+
+                try (ResultSet keys = ps.getGeneratedKeys()) {
+
+                    if (!keys.next()) throw new SQLException("Order creation failed, no ID.");
+
+                    orderId = keys.getInt(1);
+
+                }
+
+            }
+
+            String insertItem = "INSERT INTO OrderItems (OrderID, ProductID, Quantity, Price) "
+
+                    + "VALUES (?, ?, ?, ?)";
+
+            try (PreparedStatement psItem = conn.prepareStatement(insertItem)) {
+
+                for (CartItem ci : items) {
+
+                    psItem.setInt(1, orderId);
+
+                    psItem.setInt(2, ci.getCartItemId());
+
+                    psItem.setInt(3, ci.getQuantity());
+
+                    psItem.setDouble(4, ci.getFinalPrice());
+
+                    psItem.addBatch();
+
+                }
+
+                psItem.executeBatch();
+
+            }
+
+            conn.commit();
+
+            return orderId;
+
+        }
+
+    }
+
+    /** Fetch a single order (basic info only). */
+
+    public Order getById(int orderId) throws SQLException {
+
+        String sql = "SELECT * FROM Orders WHERE OrderID = ?";
+
+        try (Connection conn = DBConnection.get();
+
+             PreparedStatement ps = conn.prepareStatement(sql)) {
+
+            ps.setInt(1, orderId);
+
+            try (ResultSet rs = ps.executeQuery()) {
+
+                if (rs.next()) {
+
+                    return mapOrder(rs);
+
+                }
+
+            }
+
+        }
+
+        return null;
+
+    }
+
+    /** List all orders for a user. */
+
+    public List<Order> listByUser(int userId) throws SQLException {
+
+        List<Order> list = new ArrayList<>();
+
+        String sql = "SELECT * FROM Orders WHERE UserID = ? ORDER BY OrderDate DESC";
+
+        try (Connection conn = DBConnection.get();
+
+             PreparedStatement ps = conn.prepareStatement(sql)) {
+
+            ps.setInt(1, userId);
+
+            try (ResultSet rs = ps.executeQuery()) {
+
+                while (rs.next()) {
+
+                    list.add(mapOrder(rs));
+
+                }
+
+            }
+
+        }
+
+        return list;
+
+    }
+
+    private Order mapOrder(ResultSet rs) throws SQLException {
+
+        return new Order(
+
+                rs.getInt("OrderID"),
+
+                rs.getInt("UserID"),
+
+                rs.getInt("ShippingAddressID"),
+
+                rs.getInt("BillingAddressID"),
+
+                rs.getString("PaymentMethod"),
+
+                rs.getBigDecimal("TotalAmount"),
+
+                rs.getTimestamp("OrderDate")
+
+        );
+
+    }
+
+}
+
+

src/main/java/com/nisum/model/ProductAttribute.java

+package com.nisum.model;
+ 
+public class ProductAttribute {
+
+    private int attributeId;
+
+    private int productId;
+
+    private String attributeName;
+
+    private String attributeValue;
+ 
+    public ProductAttribute() {}
+ 
+    public ProductAttribute(int attributeId, int productId, String attributeName, String attributeValue) {
+
+        this.attributeId = attributeId;
+
+        this.productId = productId;
+
+        this.attributeName = attributeName;
+
+        this.attributeValue = attributeValue;
+
+    }
+ 
+    public int getAttributeId() { return attributeId; }
+
+    public void setAttributeId(int attributeId) { this.attributeId = attributeId; }
+ 
+    public int getProductId() { return productId; }
+
+    public void setProductId(int productId) { this.productId = productId; }
+ 
+    public String getAttributeName() { return attributeName; }
+
+    public void setAttributeName(String attributeName) { this.attributeName = attributeName; }
+ 
+    public String getAttributeValue() { return attributeValue; }
+
+    public void setAttributeValue(String attributeValue) { this.attributeValue = attributeValue; }
+
+}
+
+ 
\ No newline at end of file