package org.apache.maven.scm.plugin;
   
   /*
    * 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.plugin.MojoExecutionException;
  import org.apache.maven.plugins.annotations.Mojo;
  import org.apache.maven.plugins.annotations.Parameter;
  import org.apache.maven.scm.ScmException;
  import org.apache.maven.scm.ScmTagParameters;
  import org.apache.maven.scm.command.tag.TagScmResult;
  import org.apache.maven.scm.provider.ScmProvider;
  import org.apache.maven.scm.repository.ScmRepository;
  
  import java.io.IOException;
  import java.text.SimpleDateFormat;
  import java.util.Date;
  
  /**
   * Tag the project.
   *
   * @author <a href="evenisse@apache.org">Emmanuel Venisse</a>
   * @author <a href="saden1@gmil.com">Sharmarke Aden</a>
   */
  @Mojo( name = "tag", aggregator = true )
  public class TagMojo
      extends AbstractScmMojo
  {
      /**
       * The tag name.
       */
      @Parameter( property = "tag", required = true )
      private String tag;
  
      /**
       * The message applied to the tag creation.
       */
      @Parameter( property = "message" )
      private String message;
  
      /**
       * Set the timestamp format.
       */
      @Parameter( property = "timestampFormat", defaultValue = "yyyyMMddHHmmss" )
      private String timestampFormat;
  
      /**
       * Use timestamp tagging.
       */
      @Parameter( property = "addTimestamp", defaultValue = "false" )
      private boolean addTimestamp;
  
      /**
       * Define the timestamp position (end or begin).
       */
      @Parameter( property = "timestampPosition", defaultValue = "end" )
      private String timestampPosition;
  
      /**
       * Timestamp tag prefix.
       */
      @Parameter( property = "timestampPrefix", defaultValue = "-" )
      private String timestampPrefix;
      
      /**
       * currently only implemented with svn scm. Enable a workaround to prevent issue 
       * due to svn client > 1.5.0 (http://jira.codehaus.org/browse/SCM-406)
       *      
       * @since 1.2
       */    
      @Parameter( property = "remoteTagging", defaultValue = "true" )
      private boolean remoteTagging;    
  
      /** {@inheritDoc} */
      public void execute()
          throws MojoExecutionException
      {
          super.execute();
  
          try
          {
              SimpleDateFormat dateFormat = null;
              String tagTimestamp = "";
             String finalTag = tag;
 
             if ( addTimestamp )
             {
                 try
                 {
                     getLog().info( "Using timestamp pattern '" + timestampFormat + "'" );
                     dateFormat = new SimpleDateFormat( timestampFormat );
                     tagTimestamp = dateFormat.format( new Date() );
                     getLog().info( "Using timestamp '" + tagTimestamp + "'" );
                 }
                 catch ( IllegalArgumentException e )
                 {
                     String msg = "The timestamp format '" + timestampFormat + "' is invalid.";
                     getLog().error( msg, e );
                     throw new MojoExecutionException( msg, e );
                 }
 
                 if ( "end".equals( timestampPosition ) )
                 {
                     finalTag += timestampPrefix + tagTimestamp;
                 }
                 else
                 {
                     finalTag = tagTimestamp + timestampPrefix + finalTag;
                 }
             }
 
             ScmRepository repository = getScmRepository();
             ScmProvider provider = getScmManager().getProviderByRepository( repository );
 
             finalTag = provider.sanitizeTagName( finalTag );
             getLog().info( "Final Tag Name: '" + finalTag + "'" );
 
             ScmTagParameters scmTagParameters = new ScmTagParameters( message);
             scmTagParameters.setRemoteTagging( remoteTagging );
             
             TagScmResult result = provider.tag( repository, getFileSet(), finalTag, scmTagParameters);
 
             checkResult( result );
         }
         catch ( IOException e )
         {
             throw new MojoExecutionException( "Cannot run tag command : ", e );
         }
         catch ( ScmException e )
         {
             throw new MojoExecutionException( "Cannot run tag command : ", e );
         }
     }
 }