    001// Copyright 2006, 2008, 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
    015package org.apache.tapestry5.internal.services;
    016
    017import org.apache.tapestry5.internal.parser.ComponentTemplate;
    018import org.apache.tapestry5.ioc.Resource;
    019import org.apache.tapestry5.ioc.annotations.UsesMappedConfiguration;
    020
    021import java.net.URL;
    022import java.util.Map;
    023
    024/**
    025 * Parses a resource into a {@link org.apache.tapestry5.internal.parser.ComponentTemplate}. The service's configuration
    026 * is used to map common document types to internal copies of the corresponding DTD.
    027 *
    028 * @see org.apache.tapestry5.internal.services.PageLoader
    029 */
    030@UsesMappedConfiguration(URL.class)
    031public interface TemplateParser
    032{
    033    /**
    034     * Parses the given resource into a component template.
    035     *
    036     * @param templateResource the path
    037     * @return the parsed template contents
    038     * @throws RuntimeException if the resource does not exist, or if there is any kind of parse error
    039     */
    040    ComponentTemplate parseTemplate(Resource templateResource);
    041
    042    /**
    043     * Returns a mapping from URL string to a local equivalent URL, used to avoid attempting to pull
    044     * well-known DTDs down over the wire while parsing XML.
    045     *
    046     * @since 5.3
    047     */
    048    Map<String, URL> getDTDURLMappings();
    049}
    050