001 package org.apache.maven.scm.provider.svn.svnexe.command;
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
022 import java.io.File;
023 import java.util.ArrayList;
024 import java.util.Iterator;
025 import java.util.List;
026
027 import org.apache.maven.scm.ScmFile;
028 import org.apache.maven.scm.ScmFileStatus;
029 import org.apache.maven.scm.log.ScmLogger;
030 import org.codehaus.plexus.util.cli.StreamConsumer;
031
032 /**
033 * @author <a href="mailto:kenney@apache.org">Kenney Westerhof</a>
034 * @version $Id: AbstractFileCheckingConsumer.java 1373268 2012-08-15 08:32:31Z hboutemy $
035 */
036 public abstract class AbstractFileCheckingConsumer
037 implements StreamConsumer
038 {
039 protected ScmLogger logger;
040
041 protected File workingDirectory;
042
043 private List<ScmFile> files = new ArrayList<ScmFile>();
044
045 protected int revision;
046
047 private boolean filtered;
048
049 public AbstractFileCheckingConsumer( ScmLogger logger, File workingDirectory )
050 {
051 this.logger = logger;
052 this.workingDirectory = workingDirectory;
053 }
054
055 /** {@inheritDoc} */
056 public final void consumeLine( String line )
057 {
058 if ( line.length() <= 3 )
059 {
060 return;
061 }
062
063 if ( logger.isDebugEnabled() )
064 {
065 logger.debug( line );
066 }
067
068 try
069 {
070 parseLine( line );
071 }
072 catch ( RuntimeException re )
073 {
074 logger.warn( "RuntimeException while parsing: " + line , re );
075 throw re;
076 }
077 }
078
079 protected abstract void parseLine( String line );
080
081 protected List<ScmFile> getFiles()
082 {
083
084 if ( !filtered )
085 {
086 for ( Iterator<ScmFile> ite = files.iterator(); ite.hasNext(); )
087 {
088 ScmFile file = ite.next();
089 if ( !file.getStatus().equals( ScmFileStatus.DELETED )
090 && !new File( workingDirectory, file.getPath() ).isFile() )
091 {
092 ite.remove();
093 }
094 }
095
096 filtered = true;
097 }
098
099 return files;
100 }
101
102 protected final int parseInt( String revisionString )
103 {
104 try
105 {
106 return Integer.parseInt( revisionString );
107 }
108 catch ( NumberFormatException ex )
109 {
110 return 0;
111 }
112 }
113
114 protected void addFile( ScmFile file )
115 {
116 files.add( file );
117 }
118
119 public final int getRevision()
120 {
121 return revision;
122 }
123
124 public File getWorkingDirectory()
125 {
126 return workingDirectory;
127 }
128
129 }