package org.codehaus.plexus.component.factory;
   
   /*
    * Copyright 2001-2006 Codehaus Foundation.
    *
    * Licensed 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.codehaus.plexus.PlexusConstants;
  import org.codehaus.plexus.PlexusContainer;
  import org.codehaus.plexus.component.factory.java.JavaComponentFactory;
  import org.codehaus.plexus.component.repository.exception.ComponentLookupException;
  import org.codehaus.plexus.context.Context;
  import org.codehaus.plexus.context.ContextException;
  import org.codehaus.plexus.personality.plexus.lifecycle.phase.Contextualizable;
  
  /**
   * @author Jason van Zyl
   */
  public class DefaultComponentFactoryManager implements ComponentFactoryManager, Contextualizable {
      private ComponentFactory defaultComponentFactory = new JavaComponentFactory();
  
      private PlexusContainer container;
  
      public ComponentFactory findComponentFactory(String id) throws UndefinedComponentFactoryException {
          if (id == null || id.equals("java")) {
              return defaultComponentFactory;
          }
  
          try {
              return container.lookup(ComponentFactory.class, id);
          } catch (ComponentLookupException e) {
              throw new UndefinedComponentFactoryException("Specified component factory cannot be found: " + id);
          }
      }
  
      public void contextualize(Context context) throws ContextException {
          container = (PlexusContainer) context.get(PlexusConstants.PLEXUS_KEY);
      }
  }