001    // Copyright 2005 The Apache Software Foundation
002    //
003    // Licensed under the Apache License, Version 2.0 (the "License");
004    // you may not use this file except in compliance with the License.
005    // You may obtain a copy of the License at
006    //
007    //     http://www.apache.org/licenses/LICENSE-2.0
008    //
009    // Unless required by applicable law or agreed to in writing, software
010    // distributed under the License is distributed on an "AS IS" BASIS,
011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012    // See the License for the specific language governing permissions and
013    // limitations under the License.
014    
015    package org.apache.tapestry.pageload;
016    
017    /**
018     * Implementation of {@link org.apache.tapestry.pageload.ComponentClassProvider}
019     * that returns the value from the specification.
020     * 
021     * @author Howard M. Lewis Ship
022     * @since 4.0
023     */
024    public class SpecificationComponentClassProvider implements
025            ComponentClassProvider
026    {
027    
028        public String provideComponentClassName(
029                ComponentClassProviderContext context)
030        {
031            // May return null when the spec doesn't indicate the class name.
032    
033            return context.getSpecification().getComponentClassName();
034        }
035    
036    }