Merge branch 'repo-migration' into 'master'

Repo migration

See merge request !1

.gitignore

+HELP.md
+.gradle
+build/
+!gradle/wrapper/gradle-wrapper.jar
+!**/src/main/**/build/
+!**/src/test/**/build/
+target/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+bin/
+!**/src/main/**/bin/
+!**/src/test/**/bin/
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+out/
+!**/src/main/**/out/
+!**/src/test/**/out/
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+
+### VS Code ###
+.vscode/

README.md

 # payments-vendor-simulator
-

build.gradle

+plugins {
+    id 'org.springframework.boot' version '2.5.4'
+    id 'io.spring.dependency-management' version '1.0.11.RELEASE'
+    id 'java'
+}
+
+group = 'com.nisum'
+version = '0.0.1-SNAPSHOT'
+description = 'payment-vendor-simulator'
+sourceCompatibility = '1.8'
+
+configurations {
+    compileOnly {
+        extendsFrom annotationProcessor
+    }
+}
+
+repositories {
+    mavenCentral()
+}
+
+dependencies {
+    implementation 'org.springframework.boot:spring-boot-starter-web:2.5.3'
+    implementation 'com.fasterxml.jackson.core:jackson-databind:2.12.4'
+    testImplementation 'org.springframework.boot:spring-boot-starter-test:2.5.3'
+    compileOnly 'org.projectlombok:lombok'
+    annotationProcessor 'org.projectlombok:lombok'
+    implementation "io.springfox:springfox-boot-starter:3.0.0"
+    compileOnly "io.springfox:springfox-swagger-ui:3.0.0"
+}
+
+test {
+    useJUnitPlatform()
+}
+

gradle/wrapper/gradle-wrapper.properties

+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.1.1-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists

gradlew

+#!/usr/bin/env sh
+
+#
+# Copyright 2015 the original author or authors.
+#
+# Licensed 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
+#
+#      https://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.
+#
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MSYS* | MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=`expr $i + 1`
+    done
+    case $i in
+        0) set -- ;;
+        1) set -- "$args0" ;;
+        2) set -- "$args0" "$args1" ;;
+        3) set -- "$args0" "$args1" "$args2" ;;
+        4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=`save "$@"`
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+exec "$JAVACMD" "$@"

gradlew.bat

+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem      https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega

settings.gradle

+/*
+ * This file was generated by the Gradle 'init' task.
+ */
+
+rootProject.name = 'payment-vendor-simulator'

src/main/java/com/nisum/paymentvendorsimulator/PaymentVendorSimulatorApplication.java

+package com.nisum.paymentvendorsimulator;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class PaymentVendorSimulatorApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(PaymentVendorSimulatorApplication.class, args);
+	}
+
+}

src/main/java/com/nisum/paymentvendorsimulator/afterpay/controllers/AfterpayController.java

+package com.nisum.paymentvendorsimulator.afterpay.controllers;
+
+import com.nisum.paymentvendorsimulator.afterpay.services.AfterpayService;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.MediaType;
+import org.springframework.web.bind.annotation.*;
+
+@RestController
+@RequestMapping("/api/afterpay")
+@CrossOrigin(origins = "*")
+public class AfterpayController {
+
+  private static final Logger logger = LoggerFactory.getLogger(AfterpayController.class);
+
+  @Autowired
+  AfterpayService apService;
+
+  @PostMapping(value = "/authorize", consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
+  public void authorize() {
+    logger.info("this is AP controller");
+    apService.authorize();
+  }
+
+}

src/main/java/com/nisum/paymentvendorsimulator/afterpay/services/AfterpayService.java

+package com.nisum.paymentvendorsimulator.afterpay.services;
+
+import com.nisum.paymentvendorsimulator.creditcard.domain.dto.CreditCardRequest;
+import com.nisum.paymentvendorsimulator.creditcard.domain.dto.CreditCardResponse;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.stereotype.Service;
+
+@Service
+public class AfterpayService {
+
+  private static final Logger logger = LoggerFactory.getLogger(AfterpayService.class);
+
+  public void authorize() {
+    logger.info("AP Service");
+  }
+}

src/main/java/com/nisum/paymentvendorsimulator/creditcard/controllers/CreditCardController.java

+package com.nisum.paymentvendorsimulator.creditcard.controllers;
+
+import com.nisum.paymentvendorsimulator.creditcard.domain.dto.CreditCardRequest;
+import com.nisum.paymentvendorsimulator.creditcard.domain.dto.CreditCardResponse;
+import com.nisum.paymentvendorsimulator.creditcard.services.CreditCardService;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.MediaType;
+import org.springframework.web.bind.annotation.*;
+
+@RestController
+@RequestMapping("/api/cc")
+@CrossOrigin(origins = "*")
+public class CreditCardController {
+
+  private static final Logger logger = LoggerFactory.getLogger(CreditCardController.class);
+
+  @Autowired
+  CreditCardService ccService;
+
+  @PostMapping(value = "/authorize", consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
+  public CreditCardResponse authorize(@RequestBody CreditCardRequest ccRequest) {
+    logger.info("this is CC controller");
+    return ccService.authorize(ccRequest);
+  }
+
+}

src/main/java/com/nisum/paymentvendorsimulator/creditcard/data/DataServiceClient.java

+package com.nisum.paymentvendorsimulator.creditcard.data;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.nisum.paymentvendorsimulator.creditcard.domain.dto.CreditCardResponse;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Component;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.OutputStream;
+import java.net.HttpURLConnection;
+import java.net.URL;
+import java.nio.charset.StandardCharsets;
+
+@Component
+public class DataServiceClient {
+    @Value("${data.endpoint}")
+    private String dataServiceEndpoint;
+    private final ObjectMapper objectMapper = new ObjectMapper();
+
+    private CreditCardResponse convertResponse(String rawResponse) throws JsonProcessingException {
+        CreditCardResponse res = objectMapper.readValue(rawResponse.toString(), CreditCardResponse.class);
+        return res;
+    }
+
+    public void saveAuthorization(CreditCardResponse ccData) throws IOException {
+        URL url = new URL(dataServiceEndpoint);
+        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
+        connection.setRequestMethod("POST");
+        connection.setRequestProperty("Content-Type", "application/json");
+        connection.setDoOutput(true);
+        // Attach the body
+        String jsonBody = objectMapper.writeValueAsString(ccData);
+        try(OutputStream os = connection.getOutputStream()) {
+            byte[] input = jsonBody.getBytes(StandardCharsets.UTF_8);
+            os.write(input, 0, input.length);
+        }
+        // Read the response
+        try(BufferedReader br = new BufferedReader(
+            new InputStreamReader(connection.getInputStream(), StandardCharsets.UTF_8))) {
+            StringBuilder response = new StringBuilder();
+            String responseLine = null;
+            while ((responseLine = br.readLine()) != null) {
+                response.append(responseLine.trim());
+            }
+            System.out.println(response.toString());
+
+        }
+        connection.disconnect();
+    }
+
+    public CreditCardResponse getAuthorization(String id) throws IOException {
+        URL url = new URL(dataServiceEndpoint + "/" + id);
+        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
+        connection.setRequestMethod("GET");
+        connection.setRequestProperty("Content-Type", "application/json");
+        int status = connection.getResponseCode();
+        if (status >= 200 & status < 300) {
+            System.out.println("SUCCESS");
+            BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
+            String inputLine;
+            StringBuffer content = new StringBuffer();
+            while ((inputLine = in.readLine()) != null) {
+                content.append(inputLine);
+            }
+            in.close();
+            System.out.println(content.toString());
+            CreditCardResponse res = convertResponse(content.toString());
+            return res;
+        } else {
+            System.out.println("ERROR");
+        }
+        connection.disconnect();
+        return null;
+    }
+}

src/main/java/com/nisum/paymentvendorsimulator/creditcard/domain/dto/CreditCardAdditionalData.java

+package com.nisum.paymentvendorsimulator.creditcard.domain.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+@Getter
+@Setter
+@AllArgsConstructor
+@NoArgsConstructor
+public class CreditCardAdditionalData {
+
+  private String avsResult;
+  private String cardSummary;
+  private String refusalReasonRaw;
+  private String eci;
+  private String acquirerAccountCode;
+  private String expiryDate;
+  private String xid;
+  private String cavvAlgorithm;
+  private String cardBin;
+  private String threeDAuthenticated;
+  private String cvcResultRaw;
+  private String paymentMethodVariant;
+  private String acquirerReference;
+  private String cardIssuingCountry;
+  private String liabilityShift;
+  private String authCode;
+  private String cardHolderName;
+  private String isCardCommercial;
+  private String threeDOffered;
+  private String threeDOfferedResponse;
+  private String authorisationMid;
+  private String issuerCountry;
+  private String cvcResult;
+  private String cavv;
+  private String threeDAuthenticatedResponse;
+  private String avsResultRaw;
+  private String paymentMethod;
+  private String cardPaymentMethod;
+  private String acquirerCode;
+
+}

src/main/java/com/nisum/paymentvendorsimulator/creditcard/domain/dto/CreditCardAddress.java

+package com.nisum.paymentvendorsimulator.creditcard.domain.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+@Getter
+@Setter
+@AllArgsConstructor
+@NoArgsConstructor
+public class CreditCardAddress {
+
+  private String addressLine1;
+  private String addressLine2;
+  private String cityName;
+  private String countryCode;
+  private String countryName;
+  private String postalCode;
+
+}

src/main/java/com/nisum/paymentvendorsimulator/creditcard/domain/dto/CreditCardAmount.java

+package com.nisum.paymentvendorsimulator.creditcard.domain.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+@Getter
+@Setter
+@AllArgsConstructor
+@NoArgsConstructor
+public class CreditCardAmount {
+
+  String value;
+  String currency;
+
+}

src/main/java/com/nisum/paymentvendorsimulator/creditcard/domain/dto/CreditCardAuthorizeResponse.java

+package com.nisum.paymentvendorsimulator.creditcard.domain.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+@Getter
+@Setter
+@AllArgsConstructor
+@NoArgsConstructor
+public class CreditCardAuthorizeResponse {
+
+  CreditCardAdditionalData additionalData;
+  private String pspReference;
+  private String resultCode;
+  private String authCode;
+
+}

src/main/java/com/nisum/paymentvendorsimulator/creditcard/domain/dto/CreditCardData.java

+package com.nisum.paymentvendorsimulator.creditcard.domain.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+@Getter
+@Setter
+@AllArgsConstructor
+@NoArgsConstructor
+public class CreditCardData {
+
+  String number;
+  String expiryMonth;
+  String expiryYear;
+  String cvc;
+  String holderName;
+
+}

src/main/java/com/nisum/paymentvendorsimulator/creditcard/domain/dto/CreditCardRequest.java

+package com.nisum.paymentvendorsimulator.creditcard.domain.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+@Getter
+@Setter
+@AllArgsConstructor
+@NoArgsConstructor
+public class CreditCardRequest {
+  CreditCardData card;
+  CreditCardAmount amount;
+  String reference;
+  String merchantAccount;
+//  String returnUrl; // for Adyen payment, not classic integration, do we need?
+
+  @Override
+  public String toString() {
+    return "CreditCardRequest{" +
+            "card=" + card +
+            ", amount=" + amount +
+            ", reference='" + reference + '\'' +
+            ", merchantAccount='" + merchantAccount + '\'' +
+            '}';
+  }
+}

src/main/java/com/nisum/paymentvendorsimulator/creditcard/domain/dto/CreditCardResponse.java

+package com.nisum.paymentvendorsimulator.creditcard.domain.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+@Getter
+@Setter
+@AllArgsConstructor
+@NoArgsConstructor
+public class CreditCardResponse {
+
+    String id;
+  String cardNumber;
+  String cvv;
+  CreditCardAddress billingAddress;
+  String amount;
+  CreditCardAuthorizeResponse creditCardAuthorizeResponse;
+
+}
+
+

src/main/java/com/nisum/paymentvendorsimulator/creditcard/services/CreditCardService.java

+package com.nisum.paymentvendorsimulator.creditcard.services;
+
+import com.nisum.paymentvendorsimulator.creditcard.domain.dto.*;
+import com.nisum.paymentvendorsimulator.creditcard.data.DataServiceClient;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.stereotype.Service;
+
+import java.io.IOException;
+
+@Service
+public class CreditCardService {
+
+  private static final Logger logger = LoggerFactory.getLogger(CreditCardService.class);
+  private final DataServiceClient dataClient;
+
+  public CreditCardService(DataServiceClient dataClient) {
+      this.dataClient = dataClient;
+  }
+
+  public CreditCardResponse authorize(CreditCardRequest ccRequest) {
+    logger.info(String.valueOf(ccRequest));
+    CreditCardResponse res = new CreditCardResponse();
+    res.setCardNumber(ccRequest.getCard().getNumber());
+    res.setCvv(ccRequest.getCard().getCvc());
+
+    CreditCardAddress ccAddress = new CreditCardAddress("5708 Owens Dr", "APT 106","Pleasanton", "USA", "USA", "94588" );
+    res.setBillingAddress(ccAddress);
+
+    res.setAmount(ccRequest.getAmount().getValue());
+
+    CreditCardAuthorizeResponse ccAR = new CreditCardAuthorizeResponse();
+    CreditCardAdditionalData additionalData = new CreditCardAdditionalData();
+
+    additionalData.setExpiryDate(ccRequest.getCard().getExpiryMonth() + "/" + ccRequest.getCard().getExpiryYear());
+    ccAR.setAdditionalData(additionalData);
+    ccAR.setPspReference("123");
+
+    res.setCreditCardAuthorizeResponse(ccAR);
+
+    try {
+        dataClient.saveAuthorization(res);
+    } catch (IOException e) {
+        System.out.println(e);
+    }
+    return res;
+  }
+}

src/main/java/com/nisum/paymentvendorsimulator/exceptions/BaseController.java

+package com.nisum.paymentvendorsimulator.exceptions;
+
+import org.springframework.stereotype.Controller;
+
+@Controller
+public abstract class BaseController {
+}

src/main/java/com/nisum/paymentvendorsimulator/exceptions/BaseControllerAdvice.java

+package com.nisum.paymentvendorsimulator.exceptions;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.ControllerAdvice;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.servlet.mvc.method.annotation.ResponseEntityExceptionHandler;
+
+import java.time.LocalDateTime;
+
+@ControllerAdvice
+public class BaseControllerAdvice extends ResponseEntityExceptionHandler {
+
+  @ExceptionHandler(PayPalTestException.class)
+  public ResponseEntity<PayPalExceptionResponse> handleException() {
+    PayPalExceptionResponse response = new PayPalExceptionResponse();
+    response.setDateTime(LocalDateTime.now());
+    response.setMessage("Id is not supposed to be 123");
+    ResponseEntity<PayPalExceptionResponse> entity = new ResponseEntity<>(response, HttpStatus.FORBIDDEN);
+    return entity;
+  }
+
+}

src/main/java/com/nisum/paymentvendorsimulator/exceptions/PayPalExceptionResponse.java

+package com.nisum.paymentvendorsimulator.exceptions;
+
+import lombok.Getter;
+import lombok.Setter;
+
+import java.time.LocalDateTime;
+
+@Getter
+@Setter
+public class PayPalExceptionResponse {
+
+  private String message;
+  private LocalDateTime dateTime;
+
+}

src/main/java/com/nisum/paymentvendorsimulator/exceptions/PayPalTestException.java

+package com.nisum.paymentvendorsimulator.exceptions;
+
+public class PayPalTestException extends RuntimeException {
+}

src/main/java/com/nisum/paymentvendorsimulator/paypal/controllers/PayPalController.java

+package com.nisum.paymentvendorsimulator.paypal.controllers;
+
+import com.nisum.paymentvendorsimulator.exceptions.BaseController;
+import com.nisum.paymentvendorsimulator.exceptions.PayPalTestException;
+import com.nisum.paymentvendorsimulator.paypal.domain.dto.PayPalResponse;
+import com.nisum.paymentvendorsimulator.paypal.services.PayPalService;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.MediaType;
+import org.springframework.web.bind.annotation.*;
+
+@RestController
+@RequestMapping("/api/paypal")
+@CrossOrigin(origins = "*")
+public class PayPalController extends BaseController {
+
+  private static final Logger logger = LoggerFactory.getLogger(PayPalController.class);
+
+  @Autowired
+  PayPalService ppService;
+
+  @PostMapping(value = "/authorize/{id}", consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
+  public PayPalResponse authorize(@PathVariable(value = "id") String id) {
+    logger.info("this is PayPal Controller");
+    if(id.equals("123")) throw new PayPalTestException();
+    return ppService.authorize(id);
+  }
+
+}

src/main/java/com/nisum/paymentvendorsimulator/paypal/domain/dto/PayPalAmount.java

+package com.nisum.paymentvendorsimulator.paypal.domain.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+@Getter
+@Setter
+@AllArgsConstructor
+@NoArgsConstructor
+public class PayPalAmount {
+
+  String value;
+  String currency_code;
+
+}

src/main/java/com/nisum/paymentvendorsimulator/paypal/domain/dto/PayPalLink.java

+package com.nisum.paymentvendorsimulator.paypal.domain.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+@Getter
+@Setter
+@AllArgsConstructor
+@NoArgsConstructor
+public class PayPalLink {
+  String rel;
+  String method;
+  String href;
+
+}

src/main/java/com/nisum/paymentvendorsimulator/paypal/domain/dto/PayPalResponse.java

+package com.nisum.paymentvendorsimulator.paypal.domain.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+import java.time.LocalDateTime;
+import java.util.List;
+
+@Getter
+@Setter
+@AllArgsConstructor
+@NoArgsConstructor
+public class PayPalResponse {
+
+  String id;
+  String status;
+  PayPalAmount amount;
+  String invoice_id;
+  PayPalSellerProtection seller_protection;
+  LocalDateTime expiration_time;
+  LocalDateTime create_time;
+  LocalDateTime update_time;
+  List<PayPalLink> links;
+
+}
+
+

src/main/java/com/nisum/paymentvendorsimulator/paypal/domain/dto/PayPalSellerProtection.java

+package com.nisum.paymentvendorsimulator.paypal.domain.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+import java.util.List;
+
+@Getter
+@Setter
+@AllArgsConstructor
+@NoArgsConstructor
+public class PayPalSellerProtection {
+
+  String status;
+  List<String> dispute_categories;
+
+}

src/main/java/com/nisum/paymentvendorsimulator/paypal/services/PayPalService.java

+package com.nisum.paymentvendorsimulator.paypal.services;
+
+import com.nisum.paymentvendorsimulator.paypal.domain.dto.PayPalAmount;
+import com.nisum.paymentvendorsimulator.paypal.domain.dto.PayPalLink;
+import com.nisum.paymentvendorsimulator.paypal.domain.dto.PayPalResponse;
+import com.nisum.paymentvendorsimulator.paypal.domain.dto.PayPalSellerProtection;
+import org.springframework.stereotype.Service;
+
+import java.time.LocalDateTime;
+import java.util.Arrays;
+
+@Service
+public class PayPalService {
+
+  public PayPalResponse authorize(String id) {
+
+    return new PayPalResponse(
+            id,
+            "CREATED",
+            new PayPalAmount("10.99", "USD"),
+            "INVOICE-123",
+            new PayPalSellerProtection("ELIGIBLE", Arrays.asList("ITEM_NOT_RECEIVED", "UNAUTHORIZED_TRANSACTION")),
+            LocalDateTime.of(2019, 10, 10, 23, 23, 45),
+            LocalDateTime.of(2017, 10, 10, 23, 23, 45),
+            LocalDateTime.of(2018, 10, 10, 23, 23, 45),
+            Arrays.asList(
+                    new PayPalLink("self","GET", "https://api-m.paypal.com/v2/payments/authorizations/" + id ),
+                    new PayPalLink("capture","POST", "https://api-m.paypal.com/v2/payments/authorizations/" + id + "/capture" )
+            )
+    );
+  }
+}

src/main/resources/application.properties

+data.endpoint=http://localhost:8081/api/authorizations

src/main/resources/templates/responses/creditcard/authorize.json

+{
+  "cardNumber": "4111111111111111",
+  "cvv": "default",
+  "billingAddress": {
+    "addressLine1": "5708 Owens Dr",
+    "addressLine2": "APT 106",
+    "cityName": "Pleasanton",
+    "countryCode": "USA",
+    "countryName": "USA",
+    "postalCode": "94588"
+  },
+  "amount": "1",
+  "creditCardAuthorizeResponse": {
+    "additionalData": {
+      "avsResult": "4 AVS not supported for this card type",
+      "cardSummary": "1111",
+      "refusalReasonRaw": "AUTHORISED",
+      "eci": "N/A",
+      "acquirerAccountCode": "TestPmmAcquirerAccount",
+      "expiryDate": "8/2018",
+      "xid": "N/A",
+      "cavvAlgorithm": "N/A",
+      "cardBin": "411111",
+      "threeDAuthenticated": false,
+      "cvcResultRaw": "1",
+      "paymentMethodVariant": "visa",
+      "acquirerReference": "7CAI01SQB4C",
+      "cardIssuingCountry": "NL",
+      "liabilityShift": "false",
+      "authCode": "52328",
+      "cardHolderName": "Naga Bolla",
+      "isCardCommercial": "unknown",
+      "threeDOffered": false,
+      "threeDOfferedResponse": "N/A",
+      "authorisationMid": "1000",
+      "issuerCountry": "NL",
+      "cvcResult": "1 Matches",
+      "cavv": "N/A",
+      "threeDAuthenticatedResponse": "N/A",
+      "avsResultRaw": "4",
+      "paymentMethod": "visa",
+      "cardPaymentMethod": "visa",
+      "acquirerCode": "TestPmmAcquirer"
+    },
+    "pspReference": "8525125468317115",
+    "resultCode": "Authorised",
+    "authCode": "52328"
+  }
+}

src/main/resources/templates/responses/paypal/authorize.json

+{
+  "id": "0VF52814937998046",
+  "status": "CREATED",
+  "amount": {
+    "value": "10.99",
+    "currency_code": "USD"
+  },
+  "invoice_id": "INVOICE-123",
+  "seller_protection": {
+    "status": "ELIGIBLE",
+    "dispute_categories": [
+      "ITEM_NOT_RECEIVED",
+      "UNAUTHORIZED_TRANSACTION"
+    ]
+  },
+  "expiration_time": "2017-10-10T23:23:45Z",
+  "create_time": "2017-09-11T23:23:45Z",
+  "update_time": "2017-09-11T23:23:45Z",
+  "links": [
+    {
+      "rel": "self",
+      "method": "GET",
+      "href": "https://api-m.paypal.com/v2/payments/authorizations/0VF52814937998046"
+    },
+    {
+      "rel": "capture",
+      "method": "POST",
+      "href": "https://api-m.paypal.com/v2/payments/authorizations/0VF52814937998046/capture"
+    },
+    {
+      "rel": "void",
+      "method": "POST",
+      "href": "https://api-m.paypal.com/v2/payments/authorizations/0VF52814937998046/void"
+    },
+    {
+      "rel": "reauthorize",
+      "method": "POST",
+      "href": "https://api-m.paypal.com/v2/payments/authorizations/0VF52814937998046/reauthorize"
+    }
+  ]
+}
\ No newline at end of file

src/test/java/com/nisum/paymentvendorsimulator/PaymentVendorSimulatorApplicationTests.java

+package com.nisum.paymentvendorsimulator;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class PaymentVendorSimulatorApplicationTests {
+
+	@Test
+	void contextLoads() {
+	}
+
+}