package org.apache.maven.scm.provider.perforce.command.unedit;

 /*

  * 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 java.util.ArrayList;

 import java.util.List;

 import org.apache.maven.scm.ScmFile;

 import org.apache.maven.scm.ScmFileStatus;

 import org.apache.maven.scm.provider.perforce.command.AbstractPerforceConsumer;

 import org.apache.regexp.RE;

 import org.apache.regexp.RESyntaxException;

 import org.codehaus.plexus.util.cli.StreamConsumer;

 /**

  * @author Mike Perham

  * @author Olivier Lamy

  * @version $Id: PerforceChangeLogConsumer.java 331276 2005-11-07 15:04:54Z

  *          evenisse $

  */

 public class PerforceUnEditConsumer

     extends AbstractPerforceConsumer

     implements StreamConsumer

 {

     private static final String PATTERN = "^([^#]+)#\\d+ - (.*)";

     private static final int STATE_NORMAL = 1;

     private static final int STATE_ERROR = 2;

     private int currentState = STATE_NORMAL;

     private List<ScmFile> edits = new ArrayList<ScmFile>();

     private RE revisionRegexp;

     public PerforceUnEditConsumer()

     {

         try

         {

             revisionRegexp = new RE( PATTERN );

         }

         catch ( RESyntaxException ignored )

         {

             ignored.printStackTrace();

         }

     }

     public List<ScmFile> getEdits()

     {

         return edits;

     }

     /** {@inheritDoc} */

     public void consumeLine( String line )

     {

         if ( currentState != STATE_ERROR && revisionRegexp.match( line ) )

         {

             edits.add( new ScmFile(revisionRegexp.getParen( 1 ), ScmFileStatus.UNKNOWN ) );

             return;

         }

         error( line );

     }

     private void error( String line )

     {

         currentState = STATE_ERROR;

         output.println( line );

     }

     public boolean isSuccess()

     {

         return currentState == STATE_NORMAL;

     }

 }