PreviousRevisionFetcher.java :  » Linux » pagavcs » hu » pagavcs » bl » Java Open Source

package hu.pagavcs.bl;

import org.tmatesoft.svn.core.ISVNLogEntryHandler;
import org.tmatesoft.svn.core.SVNException;
import org.tmatesoft.svn.core.SVNLogEntry;
import org.tmatesoft.svn.core.SVNURL;
import org.tmatesoft.svn.core.wc.SVNClientManager;
import org.tmatesoft.svn.core.wc.SVNLogClient;
import org.tmatesoft.svn.core.wc.SVNRevision;

/**
 * PagaVCS is free software; you can redistribute it and/or modify it under the
 * terms of the GNU General Public License as published by the Free Software
 * Foundation; either version 2 of the License, or (at your option) any later
 * version.<br>
 * <br>
 * PagaVCS is distributed in the hope that it will be useful, but WITHOUT ANY
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
 * A PARTICULAR PURPOSE. See the GNU General Public License for more details.<br>
 * <br>
 * You should have received a copy of the GNU General Public License along with
 * PagaVCS; If not, see http://www.gnu.org/licenses/.
 */
public class PreviousRevisionFetcher {

  private long previousRevision = Long.MAX_VALUE;

  public void execute(SVNURL svnUrl, long revision) throws SVNException, PagaException {
    SVNClientManager mgrSvn = Manager.getSVNClientManager(svnUrl);
    SVNLogClient logClient = mgrSvn.getLogClient();
    SVNRevision startRevision = SVNRevision.create(revision - 1);
    SVNRevision endRevision = SVNRevision.create(0);
    SVNRevision pegRevision = startRevision;
    boolean stopOnCopy = false;
    boolean discoverChangedPaths = true;
    boolean includeMergedRevisions = false;
    long limit = 1;
    String[] revisionProperties = null;
    ISVNLogEntryHandler handler = new LogEntryHandler();
    logClient.doLog(svnUrl, new String[] { "" }, pegRevision, startRevision, endRevision, stopOnCopy, discoverChangedPaths, includeMergedRevisions, limit,
            revisionProperties, handler);
  }

  private class LogEntryHandler implements ISVNLogEntryHandler {

    public void handleLogEntry(SVNLogEntry logEntry) throws SVNException {
      long revision = logEntry.getRevision();
      // String author = logEntry.getAuthor();
      // Date date = logEntry.getDate();
      // String message = logEntry.getMessage();
      //
      // Map<String, SVNLogEntryPath> mapChanges = logEntry
      // .getChangedPaths();
      previousRevision = revision;
    }

  }

  public long getPreviousRevision() {
    return previousRevision;
  }
}