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.List;
020
021import org.apache.camel.Exchange;
022import org.apache.camel.Message;
023import org.apache.camel.api.management.ManagedResource;
024import org.apache.camel.api.management.mbean.ManagedBrowsableEndpointMBean;
025import org.apache.camel.spi.BrowsableEndpoint;
026import org.apache.camel.support.MessageHelper;
027
028@ManagedResource(description = "Managed BrowsableEndpoint")
029public class ManagedBrowsableEndpoint extends ManagedEndpoint implements ManagedBrowsableEndpointMBean {
030
031    public ManagedBrowsableEndpoint(BrowsableEndpoint endpoint) {
032        super(endpoint);
033    }
034
035    @Override
036    public BrowsableEndpoint getEndpoint() {
037        return (BrowsableEndpoint) super.getEndpoint();
038    }
039
040    @Override
041    public BrowsableEndpoint getInstance() {
042        return getEndpoint();
043    }
044
045    @Override
046    public long queueSize() {
047        return getEndpoint().getExchanges().size();
048    }
049
050    @Override
051    public String browseExchange(Integer index) {
052        List<Exchange> exchanges = getEndpoint().getExchanges();
053
054        if (index >= exchanges.size()) {
055            return null;
056        }
057        Exchange exchange = exchanges.get(index);
058        if (exchange == null) {
059            return null;
060        }
061        // must use java type with JMX such as java.lang.String
062        return exchange.toString();
063    }
064
065    @Override
066    public String browseMessageBody(Integer index) {
067        List<Exchange> exchanges = getEndpoint().getExchanges();
068
069        if (index >= exchanges.size()) {
070            return null;
071        }
072        Exchange exchange = exchanges.get(index);
073        if (exchange == null) {
074            return null;
075        }
076
077        // must use java type with JMX such as java.lang.String
078
079        return exchange.getMessage().getBody(String.class);
080    }
081
082    @Override
083    public String browseMessageAsXml(Integer index, Boolean includeBody) {
084        List<Exchange> exchanges = getEndpoint().getExchanges();
085
086        if (index >= exchanges.size()) {
087            return null;
088        }
089        Exchange exchange = exchanges.get(index);
090        if (exchange == null) {
091            return null;
092        }
093
094        Message msg = exchange.getMessage();
095
096        return MessageHelper.dumpAsXml(msg, includeBody);
097    }
098
099    @Override
100    public String browseAllMessagesAsXml(Boolean includeBody) {
101        return browseRangeMessagesAsXml(0, Integer.MAX_VALUE, includeBody);
102    }
103
104    @Override
105    public String browseRangeMessagesAsXml(Integer fromIndex, Integer toIndex, Boolean includeBody) {
106        if (fromIndex == null) {
107            fromIndex = 0;
108        }
109        if (toIndex == null) {
110            toIndex = Integer.MAX_VALUE;
111        }
112        if (fromIndex > toIndex) {
113            throw new IllegalArgumentException(
114                    "From index cannot be larger than to index, was: " + fromIndex + " > " + toIndex);
115        }
116
117        List<Exchange> exchanges = getEndpoint().getExchanges();
118        if (exchanges.isEmpty()) {
119            return null;
120        }
121
122        StringBuilder sb = new StringBuilder();
123        sb.append("<messages>");
124        for (int i = fromIndex; i < exchanges.size() && i <= toIndex; i++) {
125            Exchange exchange = exchanges.get(i);
126            Message msg = exchange.getMessage();
127            String xml = MessageHelper.dumpAsXml(msg, includeBody);
128            sb.append("\n").append(xml);
129        }
130        sb.append("\n</messages>");
131        return sb.toString();
132    }
133
134}