maven-scm-providers/maven-scm-provider-bazaar/src/main/java/org/apache/maven/scm/provider/bazaar/command/changelog/BazaarChangeLogCommand.java

package org.apache.maven.scm.provider.bazaar.command.changelog;

/*
 * 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.maven.scm.ChangeSet;
import org.apache.maven.scm.ScmException;
import org.apache.maven.scm.ScmFileSet;
import org.apache.maven.scm.ScmResult;
import org.apache.maven.scm.ScmBranch;
import org.apache.maven.scm.command.Command;
import org.apache.maven.scm.command.changelog.AbstractChangeLogCommand;
import org.apache.maven.scm.command.changelog.ChangeLogScmResult;
import org.apache.maven.scm.command.changelog.ChangeLogSet;
import org.apache.maven.scm.provider.ScmProviderRepository;
import org.apache.maven.scm.provider.bazaar.BazaarUtils;
import org.apache.maven.scm.provider.bazaar.command.BazaarConstants;

import java.util.ArrayList;
import java.util.Date;
import java.util.Iterator;
import java.util.List;

/**
 * @author <a href="mailto:torbjorn@smorgrav.org">Torbj�rn Eikli Sm�rgrav</a>
 * @version $Id$
 */
public class BazaarChangeLogCommand
    extends AbstractChangeLogCommand
    implements Command
{
    /** {@inheritDoc} */
    protected ChangeLogScmResult executeChangeLogCommand( ScmProviderRepository repo, ScmFileSet fileSet,
                                                          Date startDate, Date endDate, ScmBranch branch,
                                                          String datePattern )
        throws ScmException
    {
        String[] cmd = new String[]{BazaarConstants.LOG_CMD, BazaarConstants.VERBOSE_OPTION};
        BazaarChangeLogConsumer consumer = new BazaarChangeLogConsumer( getLogger(), datePattern );
        ScmResult result = BazaarUtils.execute( consumer, getLogger(), fileSet.getBasedir(), cmd );

        List logEntries = consumer.getModifications();
        List inRangeAndValid = new ArrayList();
        startDate = startDate == null ? new Date( 0 ) : startDate; //From 1. Jan 1970
        endDate = endDate == null ? new Date() : endDate; //Upto now

        for ( Iterator it = logEntries.iterator(); it.hasNext(); )
        {
            ChangeSet change = (ChangeSet) it.next();
            if ( change.getFiles().size() > 0 )
            {
                if ( !change.getDate().before( startDate ) && !change.getDate().after( endDate ) )
                {
                    inRangeAndValid.add( change );
                }
            }
        }

        ChangeLogSet changeLogSet = new ChangeLogSet( inRangeAndValid, startDate, endDate );
        return new ChangeLogScmResult( changeLogSet, result );
    }
}