1 files changed, 89 insertions, 0 deletions
diff --git a/core/core-infrastructure/src/main/java/org/onap/policy/apex/core/infrastructure/messaging/impl/ws/server/WebSocketServerImpl.java b/core/core-infrastructure/src/main/java/org/onap/policy/apex/core/infrastructure/messaging/impl/ws/server/WebSocketServerImpl.java
new file mode 100644
index 000000000..26acfe70c
--- /dev/null
+++ b/core/core-infrastructure/src/main/java/org/onap/policy/apex/core/infrastructure/messaging/impl/ws/server/WebSocketServerImpl.java
@@ -0,0 +1,89 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
+ * ================================================================================
+ * Licensed 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.apex.core.infrastructure.messaging.impl.ws.server;
+
+import java.net.InetSocketAddress;
+
+import org.java_websocket.WebSocket;
+import org.java_websocket.handshake.ClientHandshake;
+import org.java_websocket.server.WebSocketServer;
+import org.slf4j.ext.XLogger;
+import org.slf4j.ext.XLoggerFactory;
+
+/**
+ * This class is the web socket server specific implementation for Apex.
+ *
+ * @author Sajeevan Achuthan (sajeevan.achuthan@ericsson.com)
+ */
+abstract class WebSocketServerImpl extends WebSocketServer {
+    // The logger for this class
+    private static final XLogger LOGGER = XLoggerFactory.getXLogger(MessageServerImpl.class);
+
+    /**
+     * Constructor of this class.
+     *
+     * @param address host address of the local machine.
+     */
+    protected WebSocketServerImpl(final InetSocketAddress address) {
+        super(address);
+        LOGGER.entry(address.getAddress().getHostAddress() + ":" + address.getPort());
+        LOGGER.exit();
+    }
+
+    /*
+     * (non-Javadoc)
+     *
+     * @see org.java_websocket.server.WebSocketServer#onOpen(org.java_websocket.WebSocket ,
+     * org.java_websocket.handshake.ClientHandshake)
+     */
+    @Override
+    public void onOpen(final WebSocket conn, final ClientHandshake handshake) {
+        LOGGER.entry(conn, handshake);
+        LOGGER.debug("A client connection opened from machine {}.",
+                conn.getRemoteSocketAddress().getAddress().getHostAddress());
+        LOGGER.exit();
+    }
+
+    /*
+     * (non-Javadoc)
+     *
+     * @see org.java_websocket.server.WebSocketServer#onClose(org.java_websocket. WebSocket, int, java.lang.String,
+     * boolean)
+     */
+    @Override
+    public void onClose(final WebSocket conn, final int code, final String reason, final boolean remote) {
+        LOGGER.entry(conn, code, remote);
+        LOGGER.debug("A client  connection from machine {} closing with code {}.",
+                conn.getRemoteSocketAddress().getAddress().getHostAddress(), code);
+        LOGGER.exit();
+    }
+
+    /*
+     * (non-Javadoc)
+     *
+     * @see org.java_websocket.server.WebSocketServer#onError(org.java_websocket.WebSocket, java.lang.Exception)
+     */
+    @Override
+    public void onError(final WebSocket conn, final Exception ex) {
+        // some errors like port binding failed may not be assignable to a specific web socket
+        LOGGER.error("server error occurred", ex);
+    }
+}