001package org.apache.maven.scm.provider.vss.commands;
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 org.apache.maven.scm.ScmException;
023import org.apache.maven.scm.ScmFileSet;
024import org.apache.maven.scm.log.ScmLogger;
025import org.apache.maven.scm.provider.vss.repository.VssScmProviderRepository;
026import org.apache.maven.scm.providers.vss.settings.Settings;
027import org.apache.maven.scm.providers.vss.settings.io.xpp3.VssXpp3Reader;
028import org.codehaus.plexus.util.ReaderFactory;
029import org.codehaus.plexus.util.StringUtils;
030import org.codehaus.plexus.util.cli.CommandLineException;
031import org.codehaus.plexus.util.cli.CommandLineUtils;
032import org.codehaus.plexus.util.cli.Commandline;
033import org.codehaus.plexus.util.cli.StreamConsumer;
034import org.codehaus.plexus.util.xml.pull.XmlPullParserException;
035
036import java.io.File;
037import java.io.FileNotFoundException;
038import java.io.IOException;
039import java.util.Iterator;
040
041/**
042 * @author <a href="mailto:triek@thrx.de">Thorsten Riek</a>
043 *
044 */
045public final class VssCommandLineUtils
046    // FIXME extend CommandLineUtils
047{
048
049    private VssCommandLineUtils() {
050    }
051
052    private static File scmConfDir = new File( System.getProperty( "user.home" ), ".scm" );
053
054    private static Settings settings;
055
056    public static void addFiles( Commandline cl, ScmFileSet fileSet )
057    {
058        Iterator<File> it = fileSet.getFileList().iterator();
059
060        while ( it.hasNext() )
061        {
062            File file = it.next();
063
064            cl.createArg().setValue( file.getPath().replace( '\\', '/' ) );
065        }
066
067    }
068
069    public static Commandline getBaseVssCommandLine( File workingDirectory, String cmd,
070                                                     VssScmProviderRepository repository )
071    {
072        Commandline cl = new Commandline();
073
074        cl.setExecutable( VssConstants.SS_EXE );
075
076        cl.setWorkingDirectory( workingDirectory.getAbsolutePath() );
077
078        if ( !StringUtils.isEmpty( repository.getUser() ) )
079        {
080            cl.createArg().setValue( "-Y" );
081
082            StringBuilder sb = new StringBuilder( repository.getUser() );
083            if ( !StringUtils.isEmpty( repository.getPassword() ) )
084            {
085                sb.append( "," ).append( repository.getPassword() );
086            }
087            cl.createArg().setValue( sb.toString() );
088        }
089
090        return cl;
091    }
092
093    public static int executeCommandline( Commandline cl, StreamConsumer consumer,
094                                          CommandLineUtils.StringStreamConsumer stderr, ScmLogger logger )
095        throws ScmException
096    {
097        try
098        {
099            if ( logger.isInfoEnabled() )
100            {
101                logger.info( "Executing: " + cl );
102                logger.info( "Working directory: " + cl.getWorkingDirectory().getAbsolutePath() );
103            }
104
105            int exitcode = CommandLineUtils.executeCommandLine( cl, consumer, stderr );
106
107            if ( logger.isDebugEnabled() )
108            {
109                logger.debug( "VSS Command Exit_Code: " + exitcode );
110            }
111
112            return exitcode;
113        }
114        catch ( CommandLineException ex )
115        {
116            throw new ScmException( "Error while executing command.", ex );
117        }
118    }
119
120
121    public static final Settings getSettings()
122    {
123        if ( settings == null )
124        {
125                settings = readSettings();
126        }
127        return settings;
128    }
129    
130    public static Settings readSettings()
131    {
132        Settings settings = null;
133        File settingsFile = getScmConfFile();
134        if ( settingsFile.exists() )
135        {
136            VssXpp3Reader reader = new VssXpp3Reader();
137            try
138            {
139                settings = reader.read( ReaderFactory.newXmlReader( settingsFile ) );
140            }
141            catch ( FileNotFoundException e )
142            {
143                // nop
144            }
145            catch ( IOException e )
146            {
147                // nop
148            }
149            catch ( XmlPullParserException e )
150            {
151                String message = settingsFile.getAbsolutePath() + " isn't well formed. SKIPPED." + e.getMessage();
152
153                System.err.println( message );
154            }
155        }
156
157        // override settings with command line options
158        String vssDirectory = System.getProperty( "vssDirectory" );
159        if ( StringUtils.isNotEmpty( vssDirectory ) )
160        {
161            if ( settings == null )
162            {
163                settings = new Settings();
164            }
165            settings.setVssDirectory( vssDirectory );
166        }
167        return settings;
168    }
169
170    protected static final File getScmConfDir()
171    {
172        return scmConfDir;
173    }
174
175    protected static final void setScmConfDir( File directory )
176    {
177        scmConfDir = directory;
178        settings = readSettings();
179    }
180
181    public static final String getSsDir()
182    {
183        String ssDir = "";
184        if ( VssCommandLineUtils.getSettings() != null )
185        {
186            String ssDir2 = VssCommandLineUtils.getSettings().getVssDirectory();
187
188            if ( ssDir2 != null )
189            {
190                ssDir = StringUtils.replace( ssDir2, "\\", "/" );
191
192                if ( !ssDir.endsWith( "/" ) )
193                {
194                    ssDir += "/";
195                }
196            }
197        }
198        return ssDir;
199    }
200    
201    public static File getScmConfFile() 
202    {
203        return new File( scmConfDir, "vss-settings.xml" );
204    }
205}