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
 * @version $Id: DefaultComponentFactoryManager.java 7828 2008-11-14 22:07:56Z dain $
 */
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 );
    }
}
