package org.apache.maven.configuration;
   
   /*
    * 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.model.Build;
  import org.apache.maven.model.Model;
  import org.apache.maven.model.Plugin;
  import org.apache.maven.model.PluginExecution;
  import org.apache.maven.model.PluginManagement;
  import org.codehaus.plexus.util.StringUtils;
  
  /**
   * A basic bean configuration request.
   * 
   * @author Benjamin Bentmann
   */
  public class DefaultBeanConfigurationRequest
      implements BeanConfigurationRequest
  {
  
      private Object bean;
  
      private Object configuration;
  
      private String configurationElement;
  
      private ClassLoader classLoader;
  
      private BeanConfigurationValuePreprocessor valuePreprocessor;
  
      private BeanConfigurationPathTranslator pathTranslator;
  
      public Object getBean()
      {
          return bean;
      }
  
      public DefaultBeanConfigurationRequest setBean( Object bean )
      {
          this.bean = bean;
          return this;
      }
  
      public Object getConfiguration()
      {
          return configuration;
      }
  
      public String getConfigurationElement()
      {
          return configurationElement;
      }
  
      public DefaultBeanConfigurationRequest setConfiguration( Object configuration )
      {
          return setConfiguration( configuration, null );
      }
  
      public DefaultBeanConfigurationRequest setConfiguration( Object configuration, String element )
      {
          this.configuration = configuration;
          this.configurationElement = element;
          return this;
      }
  
      /**
       * Sets the configuration to the configuration taken from the specified build plugin in the POM. First, the build
       * plugins will be searched for the specified plugin, if that fails, the plugin management section will be searched.
       * 
       * @param model The POM to extract the plugin configuration from, may be {@code null}.
       * @param pluginGroupId The group id of the plugin whose configuration should be used, must not be {@code null} or
       *            empty.
       * @param pluginArtifactId The artifact id of the plugin whose configuration should be used, must not be
       *            {@code null} or empty.
       * @param pluginExecutionId The id of a plugin execution whose configuration should be used, may be {@code null} or
       *            empty to use the general plugin configuration.
       * @return This request for chaining, never {@code null}.
       */
      public DefaultBeanConfigurationRequest setConfiguration( Model model, String pluginGroupId,
                                                               String pluginArtifactId, String pluginExecutionId )
      {
          Plugin plugin = findPlugin( model, pluginGroupId, pluginArtifactId );
         if ( plugin != null )
         {
             if ( StringUtils.isNotEmpty( pluginExecutionId ) )
             {
                 for ( PluginExecution execution : plugin.getExecutions() )
                 {
                     if ( pluginExecutionId.equals( execution.getId() ) )
                     {
                         setConfiguration( execution.getConfiguration() );
                         break;
                     }
                 }
             }
             else
             {
                 setConfiguration( plugin.getConfiguration() );
             }
         }
         return this;
     }
 
     private Plugin findPlugin( Model model, String groupId, String artifactId )
     {
         if ( StringUtils.isEmpty( groupId ) )
         {
             throw new IllegalArgumentException( "group id for plugin has not been specified" );
         }
         if ( StringUtils.isEmpty( artifactId ) )
         {
             throw new IllegalArgumentException( "artifact id for plugin has not been specified" );
         }
 
         if ( model != null )
         {
             Build build = model.getBuild();
             if ( build != null )
             {
                 for ( Plugin plugin : build.getPlugins() )
                 {
                     if ( groupId.equals( plugin.getGroupId() ) && artifactId.equals( plugin.getArtifactId() ) )
                     {
                         return plugin;
                     }
                 }
 
                 PluginManagement mngt = build.getPluginManagement();
                 if ( mngt != null )
                 {
                     for ( Plugin plugin : mngt.getPlugins() )
                     {
                         if ( groupId.equals( plugin.getGroupId() ) && artifactId.equals( plugin.getArtifactId() ) )
                         {
                             return plugin;
                         }
                     }
                 }
             }
         }
 
         return null;
     }
 
     public ClassLoader getClassLoader()
     {
         return classLoader;
     }
 
     public DefaultBeanConfigurationRequest setClassLoader( ClassLoader classLoader )
     {
         this.classLoader = classLoader;
         return this;
     }
 
     public BeanConfigurationValuePreprocessor getValuePreprocessor()
     {
         return valuePreprocessor;
     }
 
     public DefaultBeanConfigurationRequest setValuePreprocessor( BeanConfigurationValuePreprocessor valuePreprocessor )
     {
         this.valuePreprocessor = valuePreprocessor;
         return this;
     }
 
     public BeanConfigurationPathTranslator getPathTranslator()
     {
         return pathTranslator;
     }
 
     public DefaultBeanConfigurationRequest setPathTranslator( BeanConfigurationPathTranslator pathTranslator )
     {
         this.pathTranslator = pathTranslator;
         return this;
     }
 
 }