Using try-with-resources on test

jetty-servlets/src/test/java/org/eclipse/jetty/servlets/AbstractDoSFilterTest.java

@@ -24,6 +24,8 @@ import static org.junit.Assert.assertThat;
 import static org.junit.Assert.assertTrue;
 
 import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
 import java.net.Socket;
 import java.util.EnumSet;
 
@@ -112,36 +114,38 @@ public abstract class AbstractDoSFilterTest
 
     private String doRequests(String loopRequests, int loops, long pauseBetweenLoops, long pauseBeforeLast, String lastRequest) throws Exception
     {
-        Socket socket = new Socket(_host, _port);
+        try (Socket socket = new Socket(_host,_port))
+        {
             socket.setSoTimeout(30000);
 
-        for (int i=loops;i-->0;)
+            OutputStream out = socket.getOutputStream();
+
+            for (int i = loops; i-- > 0;)
+            {
+                out.write(loopRequests.getBytes("UTF-8"));
+                out.flush();
+                if (i > 0 && pauseBetweenLoops > 0)
                 {
-            socket.getOutputStream().write(loopRequests.getBytes("UTF-8"));
-            socket.getOutputStream().flush();
-            if (i>0 && pauseBetweenLoops>0)
                     Thread.sleep(pauseBetweenLoops);
                 }
-        if (pauseBeforeLast>0)
+            }
+            if (pauseBeforeLast > 0)
+            {
                 Thread.sleep(pauseBeforeLast);
-        socket.getOutputStream().write(lastRequest.getBytes("UTF-8"));
+            }
-        socket.getOutputStream().flush();
+            out.write(lastRequest.getBytes("UTF-8"));
+            out.flush();
 
-
+            InputStream in = socket.getInputStream();
-        String response;
             if (loopRequests.contains("/unresponsive"))
             {
                 // don't read in anything, forcing the request to time out
                 Thread.sleep(_requestMaxTime * 2);
-            response = IO.toString(socket.getInputStream(),"UTF-8");
             }
-        else
+            String response = IO.toString(in,"UTF-8");
-        {
-            response = IO.toString(socket.getInputStream(),"UTF-8");
-        }
-        socket.close();
             return response;
         }
+    }
 
     private int count(String responses,String substring)
     {