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
018package org.apache.commons.exec.launcher;
019
020import org.apache.commons.exec.OS;
021
022/**
023 * Builds a command launcher for the OS and JVM we are running under.
024 */
025public final class CommandLauncherFactory {
026
027    /**
028     * Factory method to create an appropriate launcher.
029     *
030     * @return the command launcher.
031     */
032    public static CommandLauncher createVMLauncher() {
033        // Try using a JDK 1.3 launcher
034        return OS.isFamilyOpenVms() ? new VmsCommandLauncher() : new Java13CommandLauncher();
035    }
036
037    private CommandLauncherFactory() {
038    }
039}