    001/*
    002 * Licensed to the Apache Software Foundation (ASF) under one
    003 * or more contributor license agreements.  See the NOTICE file
    004 * distributed with this work for additional information
    005 * regarding copyright ownership.  The ASF licenses this file
    006 * to you under the Apache License, Version 2.0 (the
    007 * "License"); you may not use this file except in compliance
    008 * with the License.  You may obtain a copy of the License at
    009 *
    010 *   https://www.apache.org/licenses/LICENSE-2.0
    011 *
    012 * Unless required by applicable law or agreed to in writing,
    013 * software distributed under the License is distributed on an
    014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    015 * KIND, either express or implied.  See the License for the
    016 * specific language governing permissions and limitations
    017 * under the License.
    018 */
    019
    020package org.apache.commons.exec.launcher;
    021
    022import java.io.File;
    023import java.io.IOException;
    024import java.util.Map;
    025
    026import org.apache.commons.exec.CommandLine;
    027
    028/**
    029 * A command launcher for OS/2 that uses 'cmd.exe' when launching commands in directories other than the current working directory.
    030 * <p>
    031 * Unlike Windows NT and friends, OS/2's cd doesn't support the /d switch to change drives and directories in one go.
    032 * </p>
    033 * <p>
    034 * Note that this class is currently unused because the Java13CommandLauncher is used for 0S/2.
    035 * </p>
    036 */
    037public class OS2CommandLauncher extends CommandLauncherProxy {
    038
    039    /**
    040     * Constructs a new instance.
    041     *
    042     * @param launcher the command launcher to use.
    043     */
    044    public OS2CommandLauncher(final CommandLauncher launcher) {
    045        super(launcher);
    046    }
    047
    048    /**
    049     * Launches the given command in a new process, in the given working directory.
    050     *
    051     * @param cmd        the command line to execute as an array of strings.
    052     * @param env        the environment to set as an array of strings.
    053     * @param workingDir working directory where the command should run.
    054     * @throws IOException forwarded from the exec method of the command launcher.
    055     */
    056    @Override
    057    public Process exec(final CommandLine cmd, final Map<String, String> env, final File workingDir) throws IOException {
    058        if (workingDir == null) {
    059            return exec(cmd, env);
    060        }
    061        // @formatter:off
    062        return exec(new CommandLine("cmd")
    063                .addArgument("/c")
    064                .addArguments(cmd.toStrings()), env);
    065        // @formatter:on
    066    }
    067}