package org.apache.maven.plugin.toolchain;

 /*

  * 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.HashMap;

 import java.util.Map;

 import org.codehaus.plexus.component.configurator.ComponentConfigurationException;

 import org.codehaus.plexus.component.configurator.ConfigurationListener;

 import org.codehaus.plexus.component.configurator.converters.AbstractConfigurationConverter;

 import org.codehaus.plexus.component.configurator.converters.ConfigurationConverter;

 import org.codehaus.plexus.component.configurator.converters.lookup.ConverterLookup;

 import org.codehaus.plexus.component.configurator.expression.ExpressionEvaluator;

 import org.codehaus.plexus.configuration.PlexusConfiguration;

 import org.codehaus.plexus.configuration.PlexusConfigurationException;

 /**

  * Plexus ConfigurationConverter

  *

  * @author mkleint

  */

 public class ToolchainConverter

     extends AbstractConfigurationConverter

 {

     public static final String ROLE = ConfigurationConverter.class.getName();

     /**

      * @see org.codehaus.plexus.component.configurator.converters.ConfigurationConverter#canConvert(java.lang.Class)

      */

     public boolean canConvert( Class type )

     {

         return Toolchains.class.isAssignableFrom( type );

     }

     /**

      * @see org.codehaus.plexus.component.configurator.converters.ConfigurationConverter#fromConfiguration(org.codehaus.plexus.component.configurator.converters.lookup.ConverterLookup, org.codehaus.plexus.configuration.PlexusConfiguration, java.lang.Class, java.lang.Class, java.lang.ClassLoader, org.codehaus.plexus.component.configurator.expression.ExpressionEvaluator, org.codehaus.plexus.component.configurator.ConfigurationListener)

      */

     public Object fromConfiguration( ConverterLookup converterLookup,

                                      PlexusConfiguration configuration,

                                      Class type, Class baseType,

                                      ClassLoader classLoader,

                                      ExpressionEvaluator expressionEvaluator,

                                      ConfigurationListener listener )

         throws ComponentConfigurationException

     {

         Toolchains retValue = new Toolchains();

         processConfiguration( retValue, configuration, expressionEvaluator );

         return retValue;

     }

     private void processConfiguration( Toolchains chain,

                                        PlexusConfiguration configuration,

                                        ExpressionEvaluator expressionEvaluator )

         throws ComponentConfigurationException

     {

         Map map = new HashMap();

         PlexusConfiguration[] tools = configuration.getChildren();

         for ( int i = 0; i < tools.length; i++ )

         {

             String type = tools[i].getName();

             PlexusConfiguration[] params = tools[i].getChildren();

             Map parameters = new HashMap();

             for ( int j = 0; j < params.length; j++ )

             {

                 try

                 {

                     String name = params[j].getName();

                     String val = params[j].getValue();

                     parameters.put( name, val );

                 }

                 catch ( PlexusConfigurationException ex )

                 {

                     throw new ComponentConfigurationException( ex );

                 }

             }

             map.put( type, parameters );

         }

         chain.toolchains = map;

     }

 }