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 */ 017package org.apache.camel.management.mbean; 018 019import java.util.Date; 020import java.util.HashMap; 021import java.util.Map; 022import java.util.concurrent.atomic.AtomicLong; 023 024import javax.management.Notification; 025 026import org.apache.camel.Exchange; 027import org.apache.camel.Message; 028import org.apache.camel.Processor; 029import org.apache.camel.Traceable; 030import org.apache.camel.api.management.NotificationSender; 031import org.apache.camel.api.management.NotificationSenderAware; 032import org.apache.camel.model.ProcessorDefinition; 033import org.apache.camel.processor.interceptor.TraceEventHandler; 034import org.apache.camel.processor.interceptor.TraceInterceptor; 035import org.apache.camel.processor.interceptor.Tracer; 036import org.apache.camel.util.MessageHelper; 037 038public final class JMXNotificationTraceEventHandler implements TraceEventHandler, NotificationSenderAware { 039 private static final int MAX_MESSAGE_LENGTH = 60; 040 private final AtomicLong num = new AtomicLong(); 041 private final Tracer tracer; 042 private NotificationSender notificationSender; 043 044 public JMXNotificationTraceEventHandler(Tracer tracer) { 045 this.tracer = tracer; 046 } 047 048 public void traceExchangeOut(ProcessorDefinition<?> node, Processor target, TraceInterceptor traceInterceptor, Exchange exchange, Object traceState) throws Exception { 049 // We do nothing here 050 } 051 052 public Object traceExchangeIn(ProcessorDefinition<?> node, Processor target, TraceInterceptor traceInterceptor, Exchange exchange) throws Exception { 053 // Just trace the exchange as usual 054 traceExchange(node, target, traceInterceptor, exchange); 055 return null; 056 } 057 058 public void traceExchange(ProcessorDefinition<?> node, Processor target, TraceInterceptor traceInterceptor, Exchange exchange) throws Exception { 059 if (notificationSender != null && tracer.isJmxTraceNotifications()) { 060 String body = MessageHelper.extractBodyForLogging(exchange.getIn(), "", false, true, tracer.getTraceBodySize()); 061 062 if (body == null) { 063 body = ""; 064 } 065 String message = body.substring(0, Math.min(body.length(), MAX_MESSAGE_LENGTH)); 066 Map<String, Object> tm = createTraceMessage(node, exchange, body); 067 068 Notification notification = new Notification("TraceNotification", exchange.toString(), num.getAndIncrement(), System.currentTimeMillis(), message); 069 notification.setUserData(tm); 070 071 notificationSender.sendNotification(notification); 072 } 073 074 } 075 076 private Map<String, Object> createTraceMessage(ProcessorDefinition<?> node, Exchange exchange, String body) { 077 Map<String, Object> mi = new HashMap<>(); 078 mi.put("ExchangeId", exchange.getExchangeId()); 079 mi.put("EndpointURI", getEndpointUri(node)); 080 mi.put("TimeStamp", new Date(System.currentTimeMillis())); 081 mi.put("Body", body); 082 083 Message message = exchange.getIn(); 084 Map<String, Object> sHeaders = message.getHeaders(); 085 Map<String, Object> sProperties = exchange.getProperties(); 086 087 Map<String, String> headers = new HashMap<>(); 088 for (String key : sHeaders.keySet()) { 089 headers.put(key, message.getHeader(key, String.class)); 090 } 091 mi.put("Headers", headers); 092 093 Map<String, String> properties = new HashMap<>(); 094 for (String key : sProperties.keySet()) { 095 properties.put(key, exchange.getProperty(key, String.class)); 096 } 097 mi.put("Properties", properties); 098 return mi; 099 } 100 101 private String getEndpointUri(ProcessorDefinition<?> node) { 102 if (node instanceof Traceable) { 103 Traceable tr = (Traceable)node; 104 return tr.getTraceLabel(); 105 } else { 106 return node.getLabel(); 107 } 108 } 109 110 @Override 111 public void setNotificationSender(NotificationSender sender) { 112 this.notificationSender = sender; 113 } 114 115}