package org.apache.maven.scm.provider.jazz.command.checkout;

 /*

  * 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.ScmFile;

 import org.apache.maven.scm.ScmFileStatus;

 import org.apache.maven.scm.log.ScmLogger;

 import org.apache.maven.scm.provider.ScmProviderRepository;

 import org.apache.maven.scm.provider.jazz.command.consumer.AbstractRepositoryConsumer;

 import org.apache.regexp.RE;

 import org.apache.regexp.RESyntaxException;

 import java.util.ArrayList;

 import java.util.List;

 /**

  * Consume the output of the scm command for the "load" operation.

  *

  * @author <a href="mailto:ChrisGWarp@gmail.com">Chris Graham</a>

  */

 public class JazzCheckOutConsumer

     extends AbstractRepositoryConsumer

 {

     private static final String DOWNLOAD_PATTERN = "^Downloading\\s(.*)\\s\\s\\(\\d.*B\\)$";

     /**

      * @see #DOWNLOAD_PATTERN

      */

     private RE downloadRegexp;

     protected String fCurrentDir = "";

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

     /**

      * Construct the JazzCheckOutCommand consumer.

      *

      * @param repository The repository we are working with.

      * @param logger     The logger to use.

      */

     public JazzCheckOutConsumer( ScmProviderRepository repository, ScmLogger logger )

     {

         super( repository, logger );

         try

         {

             downloadRegexp = new RE( DOWNLOAD_PATTERN );

         }

         catch ( RESyntaxException ex )

         {

             throw new RuntimeException(

                 "INTERNAL ERROR: Could not create regexp to parse jazz scm checkout output. This shouldn't happen. Something is probably wrong with the oro installation.",

                 ex );

         }

     }

     /**

      * Process one line of output from the execution of the "scm load" command.

      *

      * @param line The line of output from the external command that has been pumped to us.

      * @see org.codehaus.plexus.util.cli.StreamConsumer#consumeLine(java.lang.String)

      */

     public void consumeLine( String line )

     {

         // Examples:

         // Downloading /checkout-test/src/emptyFile.txt (0 B)

         // Downloading /checkout-test/src/folder with spaces/file with spaces.java (24.0 KB)

         if ( downloadRegexp.match( line ) )

         {

             fCheckedOutFiles.add( new ScmFile( downloadRegexp.getParen( 1 ), ScmFileStatus.CHECKED_OUT ) );

         }

     }

     public List<ScmFile> getCheckedOutFiles()

     {

         return fCheckedOutFiles;

     }

 }