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.ArrayList;
020import java.util.List;
021
022import javax.management.openmbean.CompositeData;
023import javax.management.openmbean.CompositeDataSupport;
024import javax.management.openmbean.CompositeType;
025import javax.management.openmbean.TabularData;
026import javax.management.openmbean.TabularDataSupport;
027
028import org.apache.camel.CamelContext;
029import org.apache.camel.Channel;
030import org.apache.camel.Navigate;
031import org.apache.camel.Processor;
032import org.apache.camel.RuntimeCamelException;
033import org.apache.camel.api.management.ManagedResource;
034import org.apache.camel.api.management.mbean.CamelOpenMBeanTypes;
035import org.apache.camel.api.management.mbean.ManagedDoTryMBean;
036import org.apache.camel.model.CatchDefinition;
037import org.apache.camel.model.TryDefinition;
038import org.apache.camel.processor.CatchProcessor;
039import org.apache.camel.processor.TryProcessor;
040
041@ManagedResource(description = "Managed DoTry")
042public class ManagedDoTry extends ManagedProcessor implements ManagedDoTryMBean {
043
044    private final TryProcessor processor;
045    private final List<CatchProcessor> catchProcessors;
046
047    public ManagedDoTry(CamelContext context, TryProcessor processor, TryDefinition definition) {
048        super(context, processor, definition);
049        this.processor = processor;
050
051        if (processor.getCatchClauses() != null) {
052            catchProcessors = new ArrayList<>();
053            for (Processor p : processor.getCatchClauses()) {
054                Channel c = (Channel) p;
055                CatchProcessor caught = asCatchProcessor(c);
056                catchProcessors.add(caught);
057            }
058        } else {
059            catchProcessors = null;
060        }
061    }
062
063    @Override
064    public TryDefinition getDefinition() {
065        return (TryDefinition) super.getDefinition();
066    }
067
068    @Override
069    public Boolean getSupportExtendedInformation() {
070        return true;
071    }
072
073    @Override
074    public TabularData extendedInformation() {
075        try {
076            TabularData answer = new TabularDataSupport(CamelOpenMBeanTypes.doTryTabularType());
077
078            if (catchProcessors != null) {
079                List<CatchDefinition> exceptions = getDefinition().getCatchClauses();
080                for (int i = 0; i < catchProcessors.size(); i++) {
081                    CatchDefinition when = exceptions.get(i);
082                    CatchProcessor caught = catchProcessors.get(i);
083                    if (caught != null) {
084                        for (String fqn : caught.getCaughtExceptionClassNames()) {
085                            CompositeType ct = CamelOpenMBeanTypes.doTryCompositeType();
086                            String predicate = null;
087                            String language = null;
088                            if (when.getOnWhen() != null) {
089                                predicate = when.getOnWhen().getExpression().getExpression();
090                                language = when.getOnWhen().getExpression().getLanguage();
091                            }
092                            long matches = caught.getCaughtCount(fqn);
093
094                            CompositeData data = new CompositeDataSupport(
095                                    ct,
096                                    new String[] { "exception", "predicate", "language", "matches" },
097                                    new Object[] { fqn, predicate, language, matches });
098                            answer.put(data);
099                        }
100                    }
101                }
102            }
103            return answer;
104        } catch (Exception e) {
105            throw RuntimeCamelException.wrapRuntimeCamelException(e);
106        }
107    }
108
109    private CatchProcessor asCatchProcessor(Navigate<Processor> nav) {
110        // drill down and find
111        while (nav.hasNext()) {
112            for (Processor p : nav.next()) {
113                if (p instanceof CatchProcessor) {
114                    return (CatchProcessor) p;
115                }
116                if (p instanceof Navigate<?>) {
117                    Navigate<Processor> child = (Navigate<Processor>) p;
118                    return asCatchProcessor(child);
119                }
120            }
121        }
122        return null;
123    }
124
125}