Added Read/ Write Functionality from Azure to Client

pom.xml

@@ -16,6 +16,7 @@
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
+        <azure-app-config.version>1.1.0</azure-app-config.version>
         <log4j.version>2.13.1</log4j.version>
         <lombok.version>1.18.12</lombok.version>
         <junit.version>4.13</junit.version>
@@ -25,7 +26,7 @@
         <dependency>
             <groupId>com.azure</groupId>
             <artifactId>azure-data-appconfiguration</artifactId>
-            <version>1.1.0</version>
+            <version>${azure-app-config.version}</version>
         </dependency>
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>

src/main/java/com/example/JavaAzureAppConfigApplication.java

@@ -10,21 +10,39 @@ import org.slf4j.LoggerFactory;
 public class JavaAzureAppConfigApplication {
 
     private static final Logger LOGGER = LoggerFactory.getLogger(JavaAzureAppConfigApplication.class);
+    private final ConfigurationClient configurationClient;
+    private final SettingSelector settingSelector;
 
     public static void main(String[] args) {
-        try {
-            LOGGER.info("JavaAzureAppConfigApplication...");
-            String app_configuration_connection_string = System.getenv("APP_CONFIGURATION_CONNECTION_STRING");
-            ConfigurationClient configurationClient = new ConfigurationClientBuilder().connectionString(app_configuration_connection_string).buildClient();
+        new JavaAzureAppConfigApplication().azureAppConfiguration();
+    }
 
+    private void azureAppConfiguration() {
+        try {
             LOGGER.info("Read Single Value by key");
             ConfigurationSetting configurationSetting = configurationClient.getConfigurationSetting("config.message", null);
             LOGGER.info("Message: {}", configurationSetting.getValue());
 
+            LOGGER.info("Writing Single Value by key");
+            configurationSetting = configurationClient.setConfigurationSetting("config.datasource", null, "Data Source URL");
+            LOGGER.info("Data Source URL From Application: {}", configurationSetting.getValue());
+
             LOGGER.info("Read All Values...");
-            configurationClient.listConfigurationSettings(new SettingSelector()).forEach(property -> LOGGER.info("Message: {}", property.getValue()));
+            configurationClient.listConfigurationSettings(settingSelector).forEach(property -> LOGGER.info("Key: {} \t Value: {}", property.getKey(), property.getValue()));
+
+            LOGGER.info("Remove Single Value by key");
+            configurationClient.deleteConfigurationSetting("config.datasource", null);
+
+            LOGGER.info("After Removing Key-Value Read All Values...");
+            configurationClient.listConfigurationSettings(settingSelector).forEach(property -> LOGGER.info("Key: {} \t Value: {}", property.getKey(), property.getValue()));
         } catch (Exception e) {
             LOGGER.error(e.getMessage(), e);
         }
     }
+
+    {
+        String app_configuration_connection_string = System.getenv("APP_CONFIGURATION_CONNECTION_STRING");
+        configurationClient = new ConfigurationClientBuilder().connectionString(app_configuration_connection_string).buildClient();
+        settingSelector = new SettingSelector();
+    }
 }