package org.apache.maven.scm.manager.plexus;

 /*

  * 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.log.ScmLogger;

 import org.apache.maven.scm.manager.AbstractScmManager;

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

 import org.codehaus.plexus.logging.LogEnabled;

 import org.codehaus.plexus.logging.Logger;

 import org.codehaus.plexus.personality.plexus.lifecycle.phase.Initializable;

 import java.util.HashMap;

 import java.util.Map;

 /**

  * @author <a href="mailto:trygvis@inamo.no">Trygve Laugst&oslash;l</a>

  * @author <a href="mailto:brett@apache.org">Brett Porter</a>

  * @author <a href="mailto:evenisse@apache.org">Emmanuel Venisse</a>

  * @author Olivier Lamy

  * @version $Id: DefaultScmManager.java 1054215 2011-01-01 09:45:44Z olamy $

  * @plexus.component role="org.apache.maven.scm.manager.ScmManager"

  */

 public class DefaultScmManager

     extends AbstractScmManager

     implements Initializable, LogEnabled

 {

     /**

      * @plexus.requirement role="org.apache.maven.scm.provider.ScmProvider"

      */

     private Map<String,ScmProvider> scmProviders;

     private Logger logger;

     // ----------------------------------------------------------------------

     // LogEnabled implementation

     // ----------------------------------------------------------------------

     public void enableLogging( Logger logger )

     {

         this.logger = logger;

     }

     protected Logger getLogger()

     {

         return logger;

     }

     protected void setupLogger( Object component )

     {

         setupLogger( component, logger );

     }

     protected void setupLogger( Object component, String subCategory )

     {

         if ( subCategory == null )

         {

             throw new IllegalStateException( "Logging category must be defined." );

         }

         Logger logger = this.logger.getChildLogger( subCategory );

         setupLogger( component, logger );

     }

     protected void setupLogger( Object component, Logger logger )

     {

         if ( component instanceof LogEnabled )

         {

             ( (LogEnabled) component ).enableLogging( logger );

         }

     }

     // ----------------------------------------------------------------------

     // Component Lifecycle

     // ----------------------------------------------------------------------

     /** {@inheritDoc} */

     public void initialize()

     {

         if ( scmProviders == null )

         {

             scmProviders = new HashMap<String,ScmProvider>( 0 );

         }

         if ( getLogger().isWarnEnabled() && scmProviders.size() == 0 )

         {

             getLogger().warn( "No SCM providers configured." );

         }

         setScmProviders( scmProviders );

     }

     /** {@inheritDoc} */

     protected ScmLogger getScmLogger()

     {

         return new PlexusLogger( getLogger() );

     }

 }