Java tutorial
/* * Copyright (c) 2015, WSO2 Inc. (http://www.wso2.org) All Rights Reserved. * * WSO2 Inc. 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 org.wso2.carbon.databridge.agent.endpoint.binary; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.wso2.carbon.databridge.agent.AgentHolder; import org.wso2.carbon.databridge.agent.exception.DataEndpointAgentConfigurationException; import org.wso2.carbon.databridge.agent.exception.DataEndpointException; import org.wso2.carbon.databridge.agent.client.AbstractClientPoolFactory; import org.wso2.carbon.databridge.agent.conf.DataEndpointConfiguration; import org.wso2.carbon.databridge.agent.util.DataEndpointConstants; import java.io.IOException; import java.net.Socket; /** * This class implements AbstractClientPoolFactory to handle the Binary transport related connections. * */ public class BinaryClientPoolFactory extends AbstractClientPoolFactory { private static Log log = LogFactory.getLog(BinaryClientPoolFactory.class); @Override public Object createClient(String protocol, String hostName, int port) throws DataEndpointException, DataEndpointAgentConfigurationException { if (protocol.equalsIgnoreCase(DataEndpointConfiguration.Protocol.TCP.toString())) { int timeout = AgentHolder.getInstance() .getDataEndpointAgent(DataEndpointConstants.BINARY_DATA_AGENT_TYPE).getAgentConfiguration() .getSocketTimeoutMS(); try { Socket socket = new Socket(hostName, port); socket.setSoTimeout(timeout); return socket; } catch (IOException e) { throw new DataEndpointException( "Error while opening socket to " + hostName + ":" + port + ". " + e.getMessage(), e); } } else { throw new DataEndpointException("Unsupported protocol: " + protocol + ". Currently only " + DataEndpointConfiguration.Protocol.TCP.toString() + " supported."); } } @Override public boolean validateClient(Object client) { return ((Socket) client).isConnected(); } @Override public void terminateClient(Object client) { Socket socket = null; try { socket = (Socket) client; socket.close(); } catch (IOException e) { log.warn("Cannot close the socket successfully from " + socket.getLocalAddress().getHostAddress() + ":" + socket.getPort()); } } }