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.describe;
016    
017    import org.apache.tapestry.IRender;
018    
019    /**
020     * A source of light-weight objects that can render a particular object. This is
021     * a more pure implementation of the GoF Adapter pattern, based on wrapping a
022     * {@link org.apache.tapestry.describe.RenderStrategy}.
023     * 
024     * @author Howard M. Lewis Ship
025     * @since 4.0
026     */
027    public interface RenderableAdapterFactory
028    {
029    
030        /**
031         * Returns an object that can render the input object. Simple
032         * implementations will just just output a string; complex implementations
033         * may output complex markup.
034         */
035        IRender getRenderableAdaptor(Object object);
036    }