001package org.apache.maven.scm.provider.cvslib.cvsjava.command.list;
002
003/*
004 * Licensed to the Apache Software Foundation (ASF) under one
005 * or more contributor license agreements.  See the NOTICE file
006 * distributed with this work for additional information
007 * regarding copyright ownership.  The ASF licenses this file
008 * to you under the Apache License, Version 2.0 (the
009 * "License"); you may not use this file except in compliance
010 * with the License.  You may obtain a copy of the License at
011 *
012 * http://www.apache.org/licenses/LICENSE-2.0
013 *
014 * Unless required by applicable law or agreed to in writing,
015 * software distributed under the License is distributed on an
016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017 * KIND, either express or implied.  See the License for the
018 * specific language governing permissions and limitations
019 * under the License.
020 */
021
022import java.io.BufferedReader;
023import java.io.ByteArrayInputStream;
024import java.io.InputStreamReader;
025
026import org.apache.maven.scm.ScmException;
027import org.apache.maven.scm.command.list.ListScmResult;
028import org.apache.maven.scm.provider.cvslib.command.list.AbstractCvsListCommand;
029import org.apache.maven.scm.provider.cvslib.command.list.CvsListConsumer;
030import org.apache.maven.scm.provider.cvslib.cvsjava.util.CvsConnection;
031import org.apache.maven.scm.provider.cvslib.cvsjava.util.CvsLogListener;
032import org.codehaus.plexus.util.cli.Commandline;
033
034/**
035 * @author <a href="mailto:evenisse@apache.org">Emmanuel Venisse</a>
036 *
037 */
038public class CvsJavaListCommand
039    extends AbstractCvsListCommand
040{
041    /** {@inheritDoc} */
042    protected ListScmResult executeCvsCommand( Commandline cl )
043        throws ScmException
044    {
045        CvsLogListener logListener = new CvsLogListener();
046
047        CvsListConsumer consumer = new CvsListConsumer( getLogger() );
048
049        try
050        {
051            boolean isSuccess = CvsConnection.processCommand( cl.getArguments(),
052                                                              cl.getWorkingDirectory().getAbsolutePath(), logListener,
053                                                              getLogger() );
054
055            if ( !isSuccess )
056            {
057                return new ListScmResult( cl.toString(), "The cvs command failed.", logListener.getStderr().toString(),
058                                          false );
059            }
060            BufferedReader stream = new BufferedReader(
061                new InputStreamReader( new ByteArrayInputStream( logListener.getStdout().toString().getBytes() ) ) );
062
063            String line;
064
065            while ( ( line = stream.readLine() ) != null )
066            {
067                consumer.consumeLine( line );
068            }
069        }
070        catch ( Exception e )
071        {
072            e.printStackTrace();
073            return new ListScmResult( cl.toString(), "The cvs command failed.", logListener.getStderr().toString(),
074                                      false );
075        }
076
077        return new ListScmResult( cl.toString(), consumer.getEntries() );
078    }
079}