001    // Copyright 2004, 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.engine;
016    
017    import org.apache.hivemind.Resource;
018    import org.apache.tapestry.IScript;
019    
020    /**
021     * Provides access to an {@link IScript}.
022     * 
023     * @author Howard Lewis Ship
024     * @since 1.0.2
025     */
026    
027    public interface IScriptSource
028    {
029    
030        /**
031         * Retrieves the script identified by the location from the source's cache,
032         * reading and parsing the script if necessary.
033         */
034    
035        IScript getScript(Resource resource);
036    }