implementation of the try-with-resource added in Java 7 to close the connection automatically

src/main/java/examples/Example.java

@@ -5,12 +5,14 @@ import me.legrange.mikrotik.ApiConnection;
 /**
  *
  * @author gideon
+ * @author clairtonluz
  */
  abstract class Example {
      
-    protected void connect() throws Exception {
+    protected ApiConnection connect() throws Exception {
         con = ApiConnection.connect(Config.HOST, ApiConnection.DEFAULT_PORT, 2000);
         con.login(Config.USERNAME, Config.PASSWORD);
+        return con;
     }
 
     protected void disconnect() throws Exception {

src/main/java/examples/Example10.java

@@ -0,0 +1,30 @@
+package examples;
+
+import me.legrange.mikrotik.ApiConnection;
+import me.legrange.mikrotik.MikrotikApiException;
+
+import java.util.List;
+import java.util.Map;
+
+/**
+ * Example 10: The try-with-resources Statement
+ *
+ * @author clairtonluz
+ */
+public class Example10 extends Example {
+
+    public static void main(String... args) throws Exception {
+        Example10 ex = new Example10();
+        try (ApiConnection c = ex.connect()) {
+            ex.test();
+        }
+        System.out.printf("\nisConnected = %B",ex.con.isConnected());
+    }
+
+    private void test() throws MikrotikApiException, InterruptedException {
+       List<Map<String, String>> res = con.execute("/interface/ethernet/print");
+        for (Map<String, String> r : res) {
+            System.out.println(r);
+        }
+    }
+}

src/main/java/me/legrange/mikrotik/ApiConnection.java

@@ -1,5 +1,6 @@
 package me.legrange.mikrotik;
 
+import java.io.Closeable;
 import java.util.List;
 import java.util.Map;
 import me.legrange.mikrotik.impl.ApiConnectionImpl;
@@ -9,8 +10,9 @@ import me.legrange.mikrotik.impl.ApiConnectionImpl;
  * Mikrotik and send commands to it.
  *
  * @author GideonLeGrange
+ * @author clairtonluz
  */
-public abstract class ApiConnection {
+public abstract class ApiConnection implements Closeable {
     
     /** default TCP port used by Mikrotik API */
     public static final int DEFAULT_PORT = 8728;

src/main/java/me/legrange/mikrotik/impl/ApiConnectionImpl.java

@@ -200,6 +200,15 @@ public final class ApiConnectionImpl extends ApiConnection {
     private Integer _tag = 0;
     private int timeout = ApiConnection.DEFAULT_COMMAND_TIMEOUT;
 
+    @Override
+    public void close() throws IOException {
+        try {
+            disconnect();
+        } catch (ApiConnectionException e) {
+            throw new IOException(e.getMessage(), e.getCause());
+        }
+    }
+
     /**
      * thread to read data from the socket and process it into Strings
      */