001    // Copyright 2011 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.tapestry5.services.dynamic;
016    
017    import org.apache.tapestry5.ioc.Resource;
018    
019    /**
020     * Parses a dynamic template based on a resource or an input stream.
021     * 
022     * @since 5.3
023     */
024    public interface DynamicTemplateParser
025    {
026        /**
027         * Given a Resource, parse the XML file into a template. The result is cached (using the Resource itself as the
028         * key). The DynamicTemplateParser is change aware; it will clear its cache if any underlying Resource
029         * changes, and will clear the Tapestry page cache as well.
030         */
031        DynamicTemplate parseTemplate(Resource resource);
032    }