Java tutorial
/* * Copyright (c) 2005-2014, 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.event.output.adapter.logger; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.wso2.carbon.event.output.adapter.core.OutputEventAdapter; import org.wso2.carbon.event.output.adapter.core.OutputEventAdapterConfiguration; import org.wso2.carbon.event.output.adapter.core.exception.OutputEventAdapterException; import org.wso2.carbon.event.output.adapter.core.exception.TestConnectionNotSupportedException; import org.wso2.carbon.event.output.adapter.logger.internal.util.LoggerEventAdapterConstants; import java.util.Arrays; import java.util.Map; public final class LoggerEventAdapter implements OutputEventAdapter { private static final Log log = LogFactory.getLog(LoggerEventAdapter.class); private OutputEventAdapterConfiguration eventAdapterConfiguration; private Map<String, String> globalProperties; public LoggerEventAdapter(OutputEventAdapterConfiguration eventAdapterConfiguration, Map<String, String> globalProperties) { this.eventAdapterConfiguration = eventAdapterConfiguration; this.globalProperties = globalProperties; } @Override public void init() throws OutputEventAdapterException { //not required } @Override public void testConnect() throws TestConnectionNotSupportedException { throw new TestConnectionNotSupportedException("Test connection is not available"); } @Override public void connect() { //not required } @Override public void publish(Object message, Map<String, String> dynamicProperties) { String uniqueIdentification = dynamicProperties.get(LoggerEventAdapterConstants.ADAPTER_MESSAGE_UNIQUE_ID); if (uniqueIdentification == null || uniqueIdentification.trim().isEmpty()) { uniqueIdentification = eventAdapterConfiguration.getName(); } if (message instanceof Object[]) { log.info( "Unique ID: " + uniqueIdentification + ",\n Event: " + Arrays.deepToString((Object[]) message)); } else { log.info("Unique ID: " + uniqueIdentification + ",\n Event: " + message); } } @Override public void disconnect() { //not required } @Override public void destroy() { //not required } @Override public boolean isPolled() { return false; } }