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Apache Commons Exec is a library to reliably execute external processes from within the JVM.
/*
* 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.commons.exec.launcher;
import java.io.File;
import java.io.IOException;
import java.util.Map;
import org.apache.commons.exec.CommandLine;
/**
* A command launcher for OS/2 that uses 'cmd.exe' when launching commands in
* directories other than the current working directory.
*
* Unlike Windows NT and friends, OS/2's cd doesn't support the /d switch to
* change drives and directories in one go.
*
* Please not that this class is currently unused because the Java13CommandLauncher
* is used for 0S/2
*/
public class OS2CommandLauncher extends CommandLauncherProxy {
public OS2CommandLauncher(final CommandLauncher launcher) {
super(launcher);
}
/**
* Launches the given command in a new process, in the given working
* directory.
*
* @param cmd
* the command line to execute as an array of strings
* @param env
* the environment to set as an array of strings
* @param workingDir
* working directory where the command should run
* @throws IOException
* forwarded from the exec method of the command launcher
*/
public Process exec(final CommandLine cmd, final Map env,
final File workingDir) throws IOException {
if (workingDir == null) {
return exec(cmd, env);
}
final CommandLine newCmd = new CommandLine("cmd");
newCmd.addArgument("/c");
newCmd.addArguments(cmd.toStrings());
return exec(newCmd, env);
}
}