Java tutorial
/** * Copyright to the original author or authors. * * Licensed 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 fitnesse.maven.io; import java.io.ByteArrayOutputStream; import java.io.File; import java.io.IOException; import org.apache.commons.exec.CommandLine; import org.apache.commons.exec.DefaultExecutor; import org.apache.commons.exec.ExecuteException; import org.apache.commons.exec.PumpStreamHandler; public class CommandShell { public String execute(File workingDir, String... commands) { CommandLine commandLine = CommandLine.parse(commands[0]); for (int i = 1; i < commands.length; i++) { commandLine.addArgument(commands[i]); } DefaultExecutor executor = new DefaultExecutor(); try { ByteArrayOutputStream baos = new ByteArrayOutputStream(); executor.setStreamHandler(new PumpStreamHandler(baos)); executor.setWorkingDirectory(workingDir); executor.execute(commandLine); return new String(baos.toByteArray()); } catch (ExecuteException e) { throw new RuntimeException(e); } catch (IOException e) { throw new RuntimeException(e); } } }