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.processor.interceptor;
018
019import java.text.SimpleDateFormat;
020import java.util.Date;
021
022import org.apache.camel.api.management.mbean.BacklogTracerEventMessage;
023
024/**
025 * An event message holding the traced message by the {@link BacklogTracer}.
026 */
027public final class DefaultBacklogTracerEventMessage implements BacklogTracerEventMessage {
028
029    private static final long serialVersionUID = 1L;
030
031    private final long uid;
032    private final Date timestamp;
033    private final String routeId;
034    private final String toNode;
035    private final String exchangeId;
036    private final String messageAsXml;
037
038    public DefaultBacklogTracerEventMessage(long uid, Date timestamp, String routeId, String toNode, String exchangeId, String messageAsXml) {
039        this.uid = uid;
040        this.timestamp = timestamp;
041        this.routeId = routeId;
042        this.toNode = toNode;
043        this.exchangeId = exchangeId;
044        this.messageAsXml = messageAsXml;
045    }
046
047    public long getUid() {
048        return uid;
049    }
050
051    public Date getTimestamp() {
052        return timestamp;
053    }
054
055    public String getRouteId() {
056        return routeId;
057    }
058
059    public String getToNode() {
060        return toNode;
061    }
062
063    public String getExchangeId() {
064        return exchangeId;
065    }
066
067    public String getMessageAsXml() {
068        return messageAsXml;
069    }
070
071    @Override
072    public String toString() {
073        return "DefaultBacklogTracerEventMessage[" + exchangeId + " at " + toNode + "]";
074    }
075
076    /**
077     * Dumps the event message as XML using the {@link #ROOT_TAG} as root tag.
078     * <p/>
079     * The <tt>timestamp</tt> tag is formatted in the format defined by {@link #TIMESTAMP_FORMAT}
080     *
081     * @return xml representation of this event
082     */
083    public String toXml(int indent) {
084        StringBuilder prefix = new StringBuilder();
085        for (int i = 0; i < indent; i++) {
086            prefix.append(" ");
087        }
088
089        StringBuilder sb = new StringBuilder();
090        sb.append(prefix).append("<").append(ROOT_TAG).append(">\n");
091        sb.append(prefix).append("  <uid>").append(uid).append("</uid>\n");
092        String ts = new SimpleDateFormat(TIMESTAMP_FORMAT).format(timestamp);
093        sb.append(prefix).append("  <timestamp>").append(ts).append("</timestamp>\n");
094        // route id is optional and we then use an empty value for no route id
095        sb.append(prefix).append("  <routeId>").append(routeId != null ? routeId : "").append("</routeId>\n");
096        if (toNode != null) {
097            sb.append(prefix).append("  <toNode>").append(toNode).append("</toNode>\n");
098        } else {
099            // if first message the use routeId as toNode
100            sb.append(prefix).append("  <toNode>").append(routeId).append("</toNode>\n");
101        }
102        sb.append(prefix).append("  <exchangeId>").append(exchangeId).append("</exchangeId>\n");
103        sb.append(prefix).append(messageAsXml).append("\n");
104        sb.append(prefix).append("</").append(ROOT_TAG).append(">");
105        return sb.toString();
106    }
107}
108