001package org.apache.maven.scm.provider.svn.svnexe.command.remoteinfo;
002/*
003 * Licensed to the Apache Software Foundation (ASF) under one
004 * or more contributor license agreements.  See the NOTICE file
005 * distributed with this work for additional information
006 * regarding copyright ownership.  The ASF licenses this file
007 * to you under the Apache License, Version 2.0 (the
008 * "License"); you may not use this file except in compliance
009 * with the License.  You may obtain a copy of the License at
010 *
011 *   http://www.apache.org/licenses/LICENSE-2.0
012 *
013 * Unless required by applicable law or agreed to in writing,
014 * software distributed under the License is distributed on an
015 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
016 * KIND, either express or implied.  See the License for the
017 * specific language governing permissions and limitations
018 * under the License.
019 */
020
021import org.apache.commons.lang.StringUtils;
022import org.apache.maven.scm.CommandParameters;
023import org.apache.maven.scm.ScmException;
024import org.apache.maven.scm.ScmFileSet;
025import org.apache.maven.scm.command.remoteinfo.AbstractRemoteInfoCommand;
026import org.apache.maven.scm.command.remoteinfo.RemoteInfoScmResult;
027import org.apache.maven.scm.log.ScmLogger;
028import org.apache.maven.scm.provider.ScmProviderRepository;
029import org.apache.maven.scm.provider.svn.command.SvnCommand;
030import org.apache.maven.scm.provider.svn.repository.SvnScmProviderRepository;
031import org.apache.maven.scm.provider.svn.svnexe.command.SvnCommandLineUtils;
032import org.apache.maven.scm.util.AbstractConsumer;
033import org.codehaus.plexus.util.cli.CommandLineException;
034import org.codehaus.plexus.util.cli.CommandLineUtils;
035import org.codehaus.plexus.util.cli.Commandline;
036
037import java.util.HashMap;
038import java.util.Map;
039
040/**
041 * @author Olivier Lamy
042 * @since 1.6
043 */
044public class SvnRemoteInfoCommand
045    extends AbstractRemoteInfoCommand
046    implements SvnCommand
047{
048    @Override
049    public RemoteInfoScmResult executeRemoteInfoCommand( ScmProviderRepository repository, ScmFileSet fileSet,
050                                                         CommandParameters parameters )
051        throws ScmException
052    {
053
054        String url = ( (SvnScmProviderRepository) repository ).getUrl();
055        // use a default svn layout, url is here http://svn.apache.org/repos/asf/maven/maven-3/trunk
056        // so as we presume we have good users using standard svn layout, we calculate tags and branches url
057        String baseUrl = StringUtils.endsWith( url, "/" )
058            ? StringUtils.substringAfter( StringUtils.removeEnd( url, "/" ), "/" )
059            : StringUtils.substringBeforeLast( url, "/" );
060
061        Commandline cl = SvnCommandLineUtils.getBaseSvnCommandLine( fileSet == null ? null : fileSet.getBasedir(),
062                                                                    (SvnScmProviderRepository) repository );
063
064        cl.createArg().setValue( "ls" );
065
066        cl.createArg().setValue( baseUrl + "/tags" );
067
068        CommandLineUtils.StringStreamConsumer stderr = new CommandLineUtils.StringStreamConsumer();
069
070        LsConsumer consumer = new LsConsumer( getLogger(), baseUrl );
071
072        int exitCode = 0;
073
074        Map<String, String> tagsInfos = null;
075
076        try
077        {
078            exitCode = SvnCommandLineUtils.execute( cl, consumer, stderr, getLogger() );
079            tagsInfos = consumer.infos;
080
081        }
082        catch ( CommandLineException ex )
083        {
084            throw new ScmException( "Error while executing svn command.", ex );
085        }
086
087        if ( exitCode != 0 )
088        {
089            return new RemoteInfoScmResult( cl.toString(), "The svn command failed.", stderr.getOutput(), false );
090        }
091
092        cl = SvnCommandLineUtils.getBaseSvnCommandLine( fileSet == null ? null : fileSet.getBasedir(),
093                                                        (SvnScmProviderRepository) repository );
094
095        cl.createArg().setValue( "ls" );
096
097        cl.createArg().setValue( baseUrl + "/tags" );
098
099        stderr = new CommandLineUtils.StringStreamConsumer();
100
101        consumer = new LsConsumer( getLogger(), baseUrl );
102
103        Map<String, String> branchesInfos = null;
104
105        try
106        {
107            exitCode = SvnCommandLineUtils.execute( cl, consumer, stderr, getLogger() );
108            branchesInfos = consumer.infos;
109
110        }
111        catch ( CommandLineException ex )
112        {
113            throw new ScmException( "Error while executing svn command.", ex );
114        }
115
116        if ( exitCode != 0 )
117        {
118            return new RemoteInfoScmResult( cl.toString(), "The svn command failed.", stderr.getOutput(), false );
119        }
120
121        return new RemoteInfoScmResult( cl.toString(), branchesInfos, tagsInfos );
122    }
123
124    public boolean remoteUrlExist( ScmProviderRepository repository, CommandParameters parameters )
125        throws ScmException
126    {
127        String url = ( (SvnScmProviderRepository) repository ).getUrl();
128
129        Commandline cl = SvnCommandLineUtils.getBaseSvnCommandLine( null, (SvnScmProviderRepository) repository );
130
131        cl.createArg().setValue( "ls" );
132
133        cl.createArg().setValue( url );
134
135        CommandLineUtils.StringStreamConsumer stderr = new CommandLineUtils.StringStreamConsumer();
136
137        LsConsumer consumer = new LsConsumer( getLogger(), url );
138
139        int exitCode = 0;
140
141        try
142        {
143            exitCode = SvnCommandLineUtils.execute( cl, consumer, stderr, getLogger() );
144        }
145        catch ( CommandLineException ex )
146        {
147            throw new ScmException( "Error while executing svn command.", ex );
148        }
149
150        if ( exitCode != 0 )
151        {
152            String output = stderr.getOutput();
153            //olamy: a bit ugly but....
154            // trying to parse error from svn cli which indicate no remote path
155            if ( output.indexOf( "W160013" ) >= 0 || output.indexOf( "svn: URL" ) >= 0 )
156            {
157                return false;
158            }
159            throw new ScmException( cl.toString() + ".The svn command failed:" + stderr.getOutput() );
160        }
161
162        return true;
163    }
164
165    private static class LsConsumer
166        extends AbstractConsumer
167    {
168        Map<String, String> infos = new HashMap<String, String>();
169
170        String url;
171
172        LsConsumer( ScmLogger logger, String url )
173        {
174            super( logger );
175            this.url = url;
176        }
177
178        public void consumeLine( String s )
179        {
180            infos.put( StringUtils.removeEnd( s, "/" ), url + "/" + s );
181        }
182
183        Map<String, String> getInfos()
184        {
185            return infos;
186        }
187    }
188}