/* * Copyright 2005-2011 the original author or authors. * * 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. */ package org.wamblee.xmlrouter.listener; import java.util.ArrayList; import java.util.Iterator; import java.util.List; import java.util.logging.Level; import java.util.logging.Logger; import javax.print.attribute.standard.Destination; import javax.xml.transform.dom.DOMSource; import org.wamblee.concurrency.ReadLock; import org.wamblee.concurrency.WriteLock; import org.wamblee.xmlrouter.common.Id; import org.wamblee.xmlrouter.config.Transformation; public class CompositeEventListener implements EventListener { private static final Logger LOGGER = Logger .getLogger(CompositeEventListener.class.getName()); private List loggers; public CompositeEventListener() { loggers = new ArrayList(); } /** * Adds a logger. * * @param aLogger * Logger */ @WriteLock public void addLogger(EventListener aLogger) { loggers.add(aLogger); } /** * Removes a logger. * * @param aLogger * Logger * @return True iff the logger was removed. */ @WriteLock public boolean removeLogger(EventListener aLogger) { Iterator logger = loggers.iterator(); while (logger.hasNext()) { EventListener value = logger.next(); if (value == aLogger) { logger.remove(); return true; } } return false; } @Override @ReadLock public void delivered(String aDocumentType, Id aEventId, DOMSource aEvent, List aSequence, Id aDestination, String aDestinationName, boolean aSuccessFlag) { for (EventListener logger : loggers) { try { logger.delivered(aDocumentType, aEventId, aEvent, aSequence, aDestination, aDestinationName, aSuccessFlag); } catch (Exception e) { LOGGER.log(Level.WARNING, "Logger threw exception", e); } } } @Override @ReadLock public void notDelivered(String aDocumentType, Id aEventId, DOMSource aEvent) { for (EventListener logger : loggers) { try { logger.notDelivered(aDocumentType, aEventId, aEvent); } catch (Exception e) { LOGGER.log(Level.WARNING, "Logger threw exception", e); } } } }