001 /**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements. See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License. You may obtain a copy of the License at
008 *
009 * http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017 package org.apache.camel.management.mbean;
018
019 import java.util.Date;
020 import java.util.HashMap;
021 import java.util.Map;
022 import java.util.concurrent.atomic.AtomicLong;
023 import javax.management.Notification;
024
025 import org.apache.camel.Exchange;
026 import org.apache.camel.Message;
027 import org.apache.camel.Processor;
028 import org.apache.camel.Traceable;
029 import org.apache.camel.api.management.NotificationSender;
030 import org.apache.camel.api.management.NotificationSenderAware;
031 import org.apache.camel.model.ProcessorDefinition;
032 import org.apache.camel.processor.interceptor.TraceEventHandler;
033 import org.apache.camel.processor.interceptor.TraceInterceptor;
034 import org.apache.camel.processor.interceptor.Tracer;
035 import org.apache.camel.util.MessageHelper;
036
037 public final class JMXNotificationTraceEventHandler implements TraceEventHandler, NotificationSenderAware {
038 private static final int MAX_MESSAGE_LENGTH = 60;
039 private final AtomicLong num = new AtomicLong();
040 private final Tracer tracer;
041 private NotificationSender notificationSender;
042
043 public JMXNotificationTraceEventHandler(Tracer tracer) {
044 this.tracer = tracer;
045 }
046
047 public void traceExchangeOut(ProcessorDefinition<?> node, Processor target, TraceInterceptor traceInterceptor, Exchange exchange, Object traceState) throws Exception {
048 // We do nothing here
049 }
050
051 public Object traceExchangeIn(ProcessorDefinition<?> node, Processor target, TraceInterceptor traceInterceptor, Exchange exchange) throws Exception {
052 // Just trace the exchange as usual
053 traceExchange(node, target, traceInterceptor, exchange);
054 return null;
055 }
056
057 public void traceExchange(ProcessorDefinition<?> node, Processor target, TraceInterceptor traceInterceptor, Exchange exchange) throws Exception {
058 if (notificationSender != null && tracer.isJmxTraceNotifications()) {
059 String body = MessageHelper.extractBodyForLogging(exchange.getIn(), "", false, true, tracer.getTraceBodySize());
060
061 if (body == null) {
062 body = "";
063 }
064 String message = body.substring(0, Math.min(body.length(), MAX_MESSAGE_LENGTH));
065 Map<String, Object> tm = createTraceMessage(node, exchange, body);
066
067 Notification notification = new Notification("TraceNotification", exchange.toString(), num.getAndIncrement(), System.currentTimeMillis(), message);
068 notification.setUserData(tm);
069
070 notificationSender.sendNotification(notification);
071 }
072
073 }
074
075 private Map<String, Object> createTraceMessage(ProcessorDefinition<?> node, Exchange exchange, String body) {
076 Map<String, Object> mi = new HashMap<String, Object>();
077 mi.put("ExchangeId", exchange.getExchangeId());
078 mi.put("EndpointURI", getEndpointUri(node));
079 mi.put("TimeStamp", new Date(System.currentTimeMillis()));
080 mi.put("Body", body);
081
082 Message message = exchange.getIn();
083 Map<String, Object> sHeaders = message.getHeaders();
084 Map<String, Object> sProperties = exchange.getProperties();
085
086 Map<String, String> headers = new HashMap<String, String>();
087 for (String key : sHeaders.keySet()) {
088 headers.put(key, message.getHeader(key, String.class));
089 }
090 mi.put("Headers", headers);
091
092 Map<String, String> properties = new HashMap<String, String>();
093 for (String key : sProperties.keySet()) {
094 properties.put(key, exchange.getProperty(key, String.class));
095 }
096 mi.put("Properties", properties);
097 return mi;
098 }
099
100 private String getEndpointUri(ProcessorDefinition<?> node) {
101 if (node instanceof Traceable) {
102 Traceable tr = (Traceable)node;
103 return tr.getTraceLabel();
104 } else {
105 return node.getLabel();
106 }
107 }
108
109 @Override
110 public void setNotificationSender(NotificationSender sender) {
111 this.notificationSender = sender;
112 }
113
114 }