    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.logging.log4j.core.lookup;
    018
    019    import java.lang.management.ManagementFactory;
    020    import java.util.List;
    021    import java.util.Map;
    022
    023    import 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)
    032    public 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            super();
    046        }
    047
    048        public JmxRuntimeInputArgumentsLookup(final Map<String, String> map) {
    049            super(map);
    050        }
    051
    052    }