001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *   http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing,
013 * software distributed under the License is distributed on an
014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 * KIND, either express or implied.  See the License for the
016 * specific language governing permissions and limitations
017 * under the License.
018 */
019package org.apache.maven.scm.provider.svn.svnexe.command.remoteinfo;
020
021import java.util.HashMap;
022import java.util.Map;
023
024import org.apache.commons.lang3.StringUtils;
025import org.apache.maven.scm.CommandParameters;
026import org.apache.maven.scm.ScmException;
027import org.apache.maven.scm.ScmFileSet;
028import org.apache.maven.scm.command.remoteinfo.AbstractRemoteInfoCommand;
029import org.apache.maven.scm.command.remoteinfo.RemoteInfoScmResult;
030import org.apache.maven.scm.provider.ScmProviderRepository;
031import org.apache.maven.scm.provider.svn.command.SvnCommand;
032import org.apache.maven.scm.provider.svn.repository.SvnScmProviderRepository;
033import org.apache.maven.scm.provider.svn.svnexe.command.SvnCommandLineUtils;
034import org.apache.maven.scm.util.AbstractConsumer;
035import org.codehaus.plexus.util.cli.CommandLineException;
036import org.codehaus.plexus.util.cli.CommandLineUtils;
037import org.codehaus.plexus.util.cli.Commandline;
038
039/**
040 * @author Olivier Lamy
041 * @since 1.6
042 */
043public class SvnRemoteInfoCommand extends AbstractRemoteInfoCommand implements SvnCommand {
044    @Override
045    public RemoteInfoScmResult executeRemoteInfoCommand(
046            ScmProviderRepository repository, ScmFileSet fileSet, CommandParameters parameters) throws ScmException {
047
048        String url = ((SvnScmProviderRepository) repository).getUrl();
049        // use a default svn layout, url is here http://svn.apache.org/repos/asf/maven/maven-3/trunk
050        // so as we presume we have good users using standard svn layout, we calculate tags and branches url
051        url = StringUtils.stripEnd(url, "/");
052        int idx = url.lastIndexOf("/");
053        String baseUrl = url.substring(0, idx);
054
055        Commandline cl = SvnCommandLineUtils.getBaseSvnCommandLine(
056                fileSet == null ? null : fileSet.getBasedir(), (SvnScmProviderRepository) repository);
057
058        cl.createArg().setValue("ls");
059
060        cl.createArg().setValue(baseUrl + "/tags" + "@");
061
062        CommandLineUtils.StringStreamConsumer stderr = new CommandLineUtils.StringStreamConsumer();
063
064        LsConsumer consumer = new LsConsumer(baseUrl + "/tags");
065
066        int exitCode = 0;
067
068        Map<String, String> tagsInfos = null;
069
070        try {
071            exitCode = SvnCommandLineUtils.execute(cl, consumer, stderr);
072            tagsInfos = consumer.infos;
073
074        } catch (CommandLineException ex) {
075            throw new ScmException("Error while executing svn command.", ex);
076        }
077
078        if (exitCode != 0) {
079            return new RemoteInfoScmResult(cl.toString(), "The svn command failed.", stderr.getOutput(), false);
080        }
081
082        cl = SvnCommandLineUtils.getBaseSvnCommandLine(
083                fileSet == null ? null : fileSet.getBasedir(), (SvnScmProviderRepository) repository);
084
085        cl.createArg().setValue("ls");
086
087        cl.createArg().setValue(baseUrl + "/branches" + "@");
088
089        stderr = new CommandLineUtils.StringStreamConsumer();
090
091        consumer = new LsConsumer(baseUrl + "/branches");
092
093        Map<String, String> branchesInfos = null;
094
095        try {
096            exitCode = SvnCommandLineUtils.execute(cl, consumer, stderr);
097            branchesInfos = consumer.infos;
098
099        } catch (CommandLineException ex) {
100            throw new ScmException("Error while executing svn command.", ex);
101        }
102
103        if (exitCode != 0) {
104            return new RemoteInfoScmResult(cl.toString(), "The svn command failed.", stderr.getOutput(), false);
105        }
106
107        return new RemoteInfoScmResult(cl.toString(), branchesInfos, tagsInfos);
108    }
109
110    public boolean remoteUrlExist(ScmProviderRepository repository, CommandParameters parameters) throws ScmException {
111        String url = ((SvnScmProviderRepository) repository).getUrl();
112
113        Commandline cl = SvnCommandLineUtils.getBaseSvnCommandLine(null, (SvnScmProviderRepository) repository);
114
115        cl.createArg().setValue("ls");
116
117        cl.createArg().setValue(url + "@");
118
119        CommandLineUtils.StringStreamConsumer stderr = new CommandLineUtils.StringStreamConsumer();
120
121        LsConsumer consumer = new LsConsumer(url);
122
123        int exitCode = 0;
124
125        try {
126            exitCode = SvnCommandLineUtils.execute(cl, consumer, stderr);
127        } catch (CommandLineException ex) {
128            throw new ScmException("Error while executing svn command.", ex);
129        }
130
131        if (exitCode != 0) {
132            String output = stderr.getOutput();
133            // olamy: a bit ugly but....
134            // trying to parse error from svn cli which indicate no remote path
135            if (output.contains("W160013") || output.contains("svn: URL")) {
136                return false;
137            }
138            throw new ScmException(cl + ".The svn command failed:" + stderr.getOutput());
139        }
140
141        return true;
142    }
143
144    private static class LsConsumer extends AbstractConsumer {
145        Map<String, String> infos = new HashMap<>();
146
147        String url;
148
149        LsConsumer(String url) {
150            this.url = url;
151        }
152
153        public void consumeLine(String s) {
154            infos.put(StringUtils.stripEnd(s, "/"), url + "/" + s);
155        }
156
157        Map<String, String> getInfos() {
158            return infos;
159        }
160    }
161}