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webapps/examples/WEB-INF/classes/websocket/echo/EchoAnnotation.java

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+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You 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
+ *
+ *      http://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.
+ */
+package websocket.echo;
+
+import java.io.IOException;
+import java.nio.ByteBuffer;
+
+import javax.websocket.OnMessage;
+import javax.websocket.PongMessage;
+import javax.websocket.Session;
+import javax.websocket.server.ServerEndpoint;
+
+/**
+ * The three annotated echo endpoints can be used to test with Autobahn and
+ * the following command "wstest -m fuzzingclient -s servers.json". See the
+ * Autobahn documentation for setup and general information.
+ */
+@ServerEndpoint("/websocket/echoAnnotation")
+public class EchoAnnotation {
+
+    @OnMessage
+    public void echoTextMessage(Session session, String msg, boolean last) {
+        try {
+            if (session.isOpen()) {
+                session.getBasicRemote().sendText(msg, last);
+            }
+        } catch (IOException e) {
+            try {
+                session.close();
+            } catch (IOException e1) {
+                // Ignore
+            }
+        }
+    }
+
+    @OnMessage
+    public void echoBinaryMessage(Session session, ByteBuffer bb,
+            boolean last) {
+        try {
+            if (session.isOpen()) {
+                session.getBasicRemote().sendBinary(bb, last);
+            }
+        } catch (IOException e) {
+            try {
+                session.close();
+            } catch (IOException e1) {
+                // Ignore
+            }
+        }
+    }
+
+    /**
+     * Process a received pong. This is a NO-OP.
+     *
+     * @param pm    Ignored.
+     */
+    @OnMessage
+    public void echoPongMessage(PongMessage pm) {
+        // NO-OP
+    }
+}