org.apache.maven.scm.provider.svn.svnjava.command.remoteinfo.SvnJavaRemoteInfoCommand.java Source code

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Here is the source code for org.apache.maven.scm.provider.svn.svnjava.command.remoteinfo.SvnJavaRemoteInfoCommand.java

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package org.apache.maven.scm.provider.svn.svnjava.command.remoteinfo;
/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

import org.apache.commons.lang.StringUtils;
import org.apache.maven.scm.CommandParameters;
import org.apache.maven.scm.ScmException;
import org.apache.maven.scm.ScmFileSet;
import org.apache.maven.scm.command.remoteinfo.AbstractRemoteInfoCommand;
import org.apache.maven.scm.command.remoteinfo.RemoteInfoScmResult;
import org.apache.maven.scm.provider.ScmProviderRepository;
import org.apache.maven.scm.provider.svn.command.SvnCommand;
import org.apache.maven.scm.provider.svn.repository.SvnScmProviderRepository;
import org.apache.maven.scm.provider.svn.svnjava.repository.SvnJavaScmProviderRepository;
import org.tmatesoft.svn.core.ISVNDirEntryHandler;
import org.tmatesoft.svn.core.SVNDepth;
import org.tmatesoft.svn.core.SVNDirEntry;
import org.tmatesoft.svn.core.SVNException;
import org.tmatesoft.svn.core.SVNURL;
import org.tmatesoft.svn.core.wc.ISVNInfoHandler;
import org.tmatesoft.svn.core.wc.SVNInfo;
import org.tmatesoft.svn.core.wc.SVNRevision;

import java.util.HashMap;
import java.util.Map;

/**
 * @author Olivier Lamy
 */
public class SvnJavaRemoteInfoCommand extends AbstractRemoteInfoCommand implements SvnCommand {
    @Override
    public RemoteInfoScmResult executeRemoteInfoCommand(ScmProviderRepository repository, ScmFileSet fileSet,
            CommandParameters parameters) throws ScmException {
        SvnJavaScmProviderRepository javaRepo = (SvnJavaScmProviderRepository) repository;

        String url = ((SvnScmProviderRepository) repository).getUrl();
        // use a default svn layout, url is here http://svn.apache.org/repos/asf/maven/maven-3/trunk
        // so as we presume we have good users using standard svn layout, we calculate tags and branches url
        String baseUrl = StringUtils.endsWith(url, "/")
                ? StringUtils.substringAfter(StringUtils.removeEnd(url, "/"), "/")
                : StringUtils.substringBeforeLast(url, "/");

        RemoteInfoScmResult remoteInfoScmResult = new RemoteInfoScmResult(null, null, null, true);

        try {

            DirEntryHandler dirEntryHandler = new DirEntryHandler(baseUrl);
            javaRepo.getClientManager().getLogClient().doList(SVNURL.parseURIEncoded(baseUrl + "/tags"),
                    SVNRevision.HEAD, SVNRevision.HEAD, false, false, dirEntryHandler);
            remoteInfoScmResult.setTags(dirEntryHandler.infos);
        } catch (SVNException e) {
            return new RemoteInfoScmResult(null, e.getMessage(), null, false);
        }

        try {

            DirEntryHandler dirEntryHandler = new DirEntryHandler(baseUrl);
            javaRepo.getClientManager().getLogClient().doList(SVNURL.parseURIEncoded(baseUrl + "/branches"),
                    SVNRevision.HEAD, SVNRevision.HEAD, false, false, dirEntryHandler);
            remoteInfoScmResult.setBranches(dirEntryHandler.infos);
        } catch (SVNException e) {
            return new RemoteInfoScmResult(null, e.getMessage(), null, false);
        }

        return remoteInfoScmResult;

    }

    public boolean remoteUrlExist(ScmProviderRepository repository, CommandParameters parameters)
            throws ScmException {
        SvnJavaScmProviderRepository javaRepo = (SvnJavaScmProviderRepository) repository;

        String url = ((SvnScmProviderRepository) repository).getUrl();

        try {

            javaRepo.getClientManager().getWCClient().doInfo(SVNURL.parseURIEncoded(url), SVNRevision.HEAD,
                    SVNRevision.HEAD, SVNDepth.EMPTY, new ISVNInfoHandler() {
                        public void handleInfo(SVNInfo svnInfo) throws SVNException {
                            svnInfo.getAuthor();
                        }
                    });
        } catch (SVNException e) {
            if (e.getMessage().indexOf("E170000") > -1) {
                return false;
            }
            throw new ScmException(e.getMessage(), e);
        }
        return true;
    }

    public static class DirEntryHandler implements ISVNDirEntryHandler {
        String url;

        Map<String, String> infos = new HashMap<String, String>();

        DirEntryHandler(String url) {
            this.url = url;
        }

        public void handleDirEntry(SVNDirEntry svnDirEntry) throws SVNException {
            infos.put(svnDirEntry.getName(), svnDirEntry.getURL().toString());
        }
    }
}