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     */
017    package org.apache.commons.monitoring.reporting.web.plugin.jvm;
018    
019    import org.apache.commons.monitoring.reporting.web.handler.api.Regex;
020    import org.apache.commons.monitoring.reporting.web.handler.api.Template;
021    import org.apache.commons.monitoring.reporting.web.plugin.json.Jsons;
022    import org.apache.commons.monitoring.reporting.web.plugin.jvm.gauges.CPUGauge;
023    import org.apache.commons.monitoring.reporting.web.plugin.jvm.gauges.UsedMemoryGauge;
024    import org.apache.commons.monitoring.reporting.web.template.MapBuilder;
025    import org.apache.commons.monitoring.repositories.Repository;
026    
027    import java.lang.management.ManagementFactory;
028    import java.lang.management.MemoryMXBean;
029    import java.lang.management.OperatingSystemMXBean;
030    import java.util.Iterator;
031    import java.util.Map;
032    
033    public class JVMEndpoints {
034        @Regex
035        public Template home() {
036            final OperatingSystemMXBean os = ManagementFactory.getOperatingSystemMXBean();
037            final MemoryMXBean memory = ManagementFactory.getMemoryMXBean();
038    
039            return new Template("jvm/jvm.vm", new MapBuilder<String, Object>()
040                .set("architecture", os.getArch())
041                .set("name", os.getName())
042                .set("version", os.getVersion())
043                .set("numberProcessor", os.getAvailableProcessors())
044                .set("maxMemory", memory.getHeapMemoryUsage().getMax())
045                .set("initMemory", memory.getHeapMemoryUsage().getInit())
046                .build());
047        }
048    
049        @Regex("/cpu/([0-9]*)/([0-9]*)")
050        public String cpu(final long start, final long end) {
051            return "{ \"data\": " + Jsons.toJson(Repository.INSTANCE.getGaugeValues(start, end, CPUGauge.CPU)) + ", \"label\": \"CPU Usage\", \"color\": \"#317eac\" }";
052        }
053    
054        @Regex("/memory/([0-9]*)/([0-9]*)")
055        public String memory(final long start, final long end) {
056            return "{ \"data\": " + Jsons.toJson(Repository.INSTANCE.getGaugeValues(start, end, UsedMemoryGauge.USED_MEMORY)) + ", \"label\": \"Used Memory\", \"color\": \"#317eac\" }";
057        }
058    }