| package org.apache.maven.scm.command; |
| |
| /* |
| * 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. |
| */ |
| |
| /** |
| * @author <a href="mailto:trygvis@inamo.no">Trygve Laugstøl </a> |
| * @version $Id$ |
| */ |
| public abstract class CommandLineUtils |
| {/* |
| public static class StringStreamConsumer |
| implements StreamConsumer |
| { |
| private StringBuffer string = new StringBuffer(); |
| |
| private String ls = System.getProperty( "line.separator" ); |
| |
| public void consumeLine( String line ) |
| { |
| string.append( line + ls ); |
| } |
| |
| public String getOutput() |
| { |
| return string.toString(); |
| } |
| } |
| |
| public static int executeCommandLine( Commandline cl, StreamConsumer systemOut, StreamConsumer systemErr ) |
| throws ScmException |
| { |
| if ( cl == null ) |
| { |
| throw new ScmException( "The command line cannot be null." ); |
| } |
| |
| Process p; |
| |
| System.out.println( "Executing: " + cl ); |
| System.out.println( "pwd: " + cl.getWorkingDirectory().getAbsolutePath() ); |
| |
| try |
| { |
| p = cl.execute(); |
| } |
| catch( IOException ex ) |
| { |
| throw new ScmException( "Error while executing external command.", ex ); |
| } |
| |
| StreamPumper inputPumper = new StreamPumper( p.getInputStream(), systemOut ); |
| |
| StreamPumper errorPumper = new StreamPumper( p.getErrorStream(), systemErr ); |
| |
| inputPumper.start(); |
| |
| errorPumper.start(); |
| |
| try |
| { |
| int returnValue = p.waitFor(); |
| |
| while( !inputPumper.isDone() ) |
| { |
| Thread.sleep( 0 ); |
| } |
| |
| while( !errorPumper.isDone() ) |
| { |
| Thread.sleep( 0 ); |
| } |
| |
| inputPumper.close(); |
| |
| errorPumper.close(); |
| |
| return returnValue; |
| } |
| catch( InterruptedException ex ) |
| { |
| throw new ScmException( "Error while executing external command.", ex ); |
| } |
| } |
| */ |
| } |