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.logging.log4j.core.lookup;
018
019import java.lang.management.ManagementFactory;
020import java.util.List;
021import java.util.Map;
022
023import org.apache.logging.log4j.core.config.plugins.Plugin;
024
025/**
026 * Maps JVM input arguments (but not main arguments) using JMX to acquire JVM arguments.
027 *
028 * @see java.lang.management.RuntimeMXBean#getInputArguments()
029 * @since 2.1
030 */
031@Plugin(name = "jvmrunargs", category = StrLookup.CATEGORY)
032public class JmxRuntimeInputArgumentsLookup extends MapLookup {
033
034    static {
035        final List<String> argsList = ManagementFactory.getRuntimeMXBean().getInputArguments();
036        JMX_SINGLETON = new JmxRuntimeInputArgumentsLookup(MapLookup.toMap(argsList));
037    }
038
039    public static final JmxRuntimeInputArgumentsLookup JMX_SINGLETON;
040
041    /**
042     * Constructor when used directly as a plugin.
043     */
044    public JmxRuntimeInputArgumentsLookup() {
045    }
046
047    public JmxRuntimeInputArgumentsLookup(final Map<String, String> map) {
048        super(map);
049    }
050
051}