Issue #1605 - common executor and bufferpool for jsr356 client

jetty-websocket/javax-websocket-client-impl/src/main/java/org/eclipse/jetty/websocket/jsr356/JettyClientContainerProvider.java

@@ -19,14 +19,20 @@
 package org.eclipse.jetty.websocket.jsr356;
 
 import java.lang.reflect.Method;
+import java.util.concurrent.Executor;
 
 import javax.websocket.ContainerProvider;
 import javax.websocket.WebSocketContainer;
 
+import org.eclipse.jetty.io.ByteBufferPool;
+import org.eclipse.jetty.io.MappedByteBufferPool;
 import org.eclipse.jetty.util.component.ContainerLifeCycle;
 import org.eclipse.jetty.util.log.Log;
 import org.eclipse.jetty.util.log.Logger;
+import org.eclipse.jetty.util.thread.QueuedThreadPool;
 import org.eclipse.jetty.util.thread.ShutdownThread;
+import org.eclipse.jetty.websocket.api.WebSocketPolicy;
+import org.eclipse.jetty.websocket.common.scopes.SimpleContainerScope;
 
 /**
  * Client {@link ContainerProvider} implementation.
@@ -43,6 +49,8 @@ public class JettyClientContainerProvider extends ContainerProvider
     private static boolean useSingleton = false;
     private static WebSocketContainer INSTANCE;
     private static boolean useServerContainer = false;
+    private static Executor commonExecutor;
+    private static ByteBufferPool commonBufferPool;
     
     private static Object lock = new Object();
     
@@ -177,8 +185,22 @@ public class JettyClientContainerProvider extends ContainerProvider
             // Still no instance?
             if (webSocketContainer == null)
             {
-                // TODO: use cached Executor, ByteBufferPool, and HttpClient here
+                if (commonExecutor == null)
-                ClientContainer clientContainer = new ClientContainer();
+                {
+                    QueuedThreadPool threadPool = new QueuedThreadPool();
+                    String name = "Jsr356Client@" + hashCode();
+                    threadPool.setName(name);
+                    threadPool.setDaemon(true);
+                    commonExecutor = threadPool;
+                }
+    
+                if (commonBufferPool == null)
+                {
+                    commonBufferPool = new MappedByteBufferPool();
+                }
+    
+                SimpleContainerScope containerScope = new SimpleContainerScope(WebSocketPolicy.newClientPolicy(), commonBufferPool, commonExecutor, null);
+                ClientContainer clientContainer = new ClientContainer(containerScope);
                 
                 if (contextHandler != null && contextHandler instanceof ContainerLifeCycle)
                 {

jetty-websocket/javax-websocket-server-impl/src/test/java/org/eclipse/jetty/websocket/jsr356/server/DelayedStartClientOnServerTest.java

@@ -247,7 +247,7 @@ public class DelayedStartClientOnServerTest
             assertThat("Response", response, startsWith("Connected to ws://"));
             List<String> threadNames = getThreadNames(server);
             assertNoHttpClientPoolThreads(threadNames);
-            assertThat("Threads", threadNames, hasItem(containsString("WebSocketContainer@")));
+            assertThat("Threads", threadNames, hasItem(containsString("Jsr356Client@")));
         }
         finally
         {

jetty-websocket/websocket-common/src/main/java/org/eclipse/jetty/websocket/common/scopes/SimpleContainerScope.java

@@ -34,7 +34,7 @@ public class SimpleContainerScope extends ContainerLifeCycle implements WebSocke
     private final ByteBufferPool bufferPool;
     private final DecoratedObjectFactory objectFactory;
     private final WebSocketPolicy policy;
-    private Executor executor;
+    private final Executor executor;
     private SslContextFactory sslContextFactory;
 
     public SimpleContainerScope(WebSocketPolicy policy)
@@ -49,16 +49,37 @@ public class SimpleContainerScope extends ContainerLifeCycle implements WebSocke
     }
 
     public SimpleContainerScope(WebSocketPolicy policy, ByteBufferPool bufferPool, DecoratedObjectFactory objectFactory)
+    {
+        this(policy, bufferPool, (Executor) null, objectFactory);
+    }
+    
+    public SimpleContainerScope(WebSocketPolicy policy, ByteBufferPool bufferPool, Executor executor, DecoratedObjectFactory objectFactory)
     {
         this.policy = policy;
         this.bufferPool = bufferPool;
-        this.objectFactory = objectFactory;
         
+        if (objectFactory == null)
+        {
+            this.objectFactory = new DecoratedObjectFactory();
+        }
+        else
+        {
+            this.objectFactory = objectFactory;
+        }
+        
+        if (executor == null)
+        {
             QueuedThreadPool threadPool = new QueuedThreadPool();
             String name = "WebSocketContainer@" + hashCode();
             threadPool.setName(name);
             threadPool.setDaemon(true);
             this.executor = threadPool;
+            addBean(this.executor);
+        }
+        else
+        {
+            this.executor = executor;
+        }
     }
 
     @Override