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The Apache Log4j Implementation

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache license, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the license for the specific language governing permissions and
 * limitations under the license.
 */
package org.apache.logging.log4j.core.lookup;

import java.lang.management.ManagementFactory;
import java.util.List;
import java.util.Map;

import org.apache.logging.log4j.core.config.plugins.Plugin;

/**
 * Maps JVM input arguments (but not main arguments) using JMX to acquire JVM arguments.
 *
 * @see java.lang.management.RuntimeMXBean#getInputArguments()
 * @since 2.1
 */
@Plugin(name = "jvmrunargs", category = StrLookup.CATEGORY)
public class JmxRuntimeInputArgumentsLookup extends MapLookup {

    static {
        final List argsList = ManagementFactory.getRuntimeMXBean().getInputArguments();
        JMX_SINGLETON = new JmxRuntimeInputArgumentsLookup(MapLookup.toMap(argsList));
    }

    public static final JmxRuntimeInputArgumentsLookup JMX_SINGLETON;

    /**
     * Constructor when used directly as a plugin.
     */
    public JmxRuntimeInputArgumentsLookup() {
        super();
    }

    public JmxRuntimeInputArgumentsLookup(final Map map) {
        super(map);
    }

}