/*
 * Copyright 2004 The Apache Software 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.
 */
package org.apache.pluto.util.assemble;

import org.apache.pluto.util.assemble.file.FileAssembler;

/**
 * The pluto assembler factory that creates an assembler. 
 * @author <a href="mailto:ddewolf@apache.org">David H. DeWolf</a>
 * @author <a href="mailto:zheng@apache.org">ZHENG Zhong</a>
 * @version 1.0
 * @since Nov 8, 2004
 */
public class AssemblerFactory {
	
	/** The singleton factory instance. */
    private static final AssemblerFactory FACTORY = new AssemblerFactory();
    
    /**
     * Private constructor that prevents external instantiation.
     */
    private AssemblerFactory() {
    	// Do nothing.
    }
    
    /**
     * Returns the singleton factory instance.
     * @return the singleton factory instance.
     */
    public static AssemblerFactory getFactory() {
        return FACTORY;
    }
    
    
    // Public Methods ----------------------------------------------------------
    
    /**
     * Creates an assembler to assemble a portlet app WAR file to a web app WAR
     * file deployable to pluto.
     * @param config  the assembler configuration.
     * @return an assembler instance.
     */
    public Assembler createAssembler(AssemblerConfig config) {
    	return new FileAssembler();
    }
    
}