001/*
002 * (C) Copyright 2011 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *     matic
018 */
019package org.nuxeo.runtime.management.counters;
020
021import java.io.Serializable;
022import java.lang.reflect.Field;
023import java.util.HashMap;
024import java.util.Map;
025
026import org.javasimon.Counter;
027import org.javasimon.jmx.CounterSample;
028
029/**
030 * @author matic
031 */
032public class CounterMXBeanImpl extends org.javasimon.jmx.CounterMXBeanImpl implements CounterMXBean {
033
034    public CounterMXBeanImpl(Counter counter) {
035        super(counter);
036    }
037
038    public String sampleAsString() {
039        CounterSample sample = sample();
040        return sample.toString();
041    }
042
043    protected void doFillMap(CounterSample sample, Map<String, Serializable> map, Class<?> clazz) {
044        if (clazz == null) {
045            return;
046        }
047        if (Object.class.equals(clazz)) {
048            return;
049        }
050        for (Field f : clazz.getDeclaredFields()) {
051            try {
052                f.setAccessible(true);
053                map.put(f.getName(), (Serializable) f.get(sample));
054            } catch (ReflectiveOperationException e) {
055                throw new RuntimeException(e);
056            }
057        }
058        doFillMap(sample, map, clazz.getSuperclass());
059    }
060
061    public Map<String, Serializable> sampleAsMap() {
062        HashMap<String, Serializable> map = new HashMap<String, Serializable>();
063        CounterSample sample = sample();
064        doFillMap(sample, map, sample.getClass());
065        return map;
066    }
067}