+/*
+ * 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.impl;
+
+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;
+import org.wamblee.xmlrouter.logging.EventLogger;
+
+public class CompositeEventLogger implements EventLogger {
+
+ private static final Logger LOGGER = Logger
+ .getLogger(CompositeEventLogger.class.getName());
+ private List<EventLogger> loggers;
+
+ public CompositeEventLogger() {
+ loggers = new ArrayList<EventLogger>();
+ }
+
+ /**
+ * Adds a logger.
+ *
+ * @param aLogger
+ * Logger
+ */
+ @WriteLock
+ public void addLogger(EventLogger aLogger) {
+ loggers.add(aLogger);
+ }
+
+ /**
+ * Removes a logger.
+ *
+ * @param aLogger
+ * Logger
+ * @return True iff the logger was removed.
+ */
+ @WriteLock
+ public boolean removeLogger(EventLogger aLogger) {
+ Iterator<EventLogger> logger = loggers.iterator();
+ while (logger.hasNext()) {
+ EventLogger value = logger.next();
+ if (value == aLogger) {
+ logger.remove();
+ return true;
+ }
+ }
+ return false;
+ }
+
+ @Override
+ @ReadLock
+ public void delivered(String aDocumentType, Id<DOMSource> aEventId,
+ DOMSource aEvent, List<Transformation> aSequence,
+ Id<Destination> aDestination, String aDestinationName,
+ boolean aSuccessFlag) {
+ for (EventLogger 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<DOMSource> aEventId,
+ DOMSource aEvent) {
+ for (EventLogger logger : loggers) {
+ try {
+ logger.notDelivered(aDocumentType, aEventId, aEvent);
+ } catch (Exception e) {
+ LOGGER.log(Level.WARNING, "Logger threw exception", e);
+ }
+ }
+ }
+
+}