001// Copyright 2008 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.services;
016
017import java.io.IOException;
018
019import org.apache.tapestry5.http.ContentType;
020
021/**
022 * Public facade around internal services related to rendering a markup response.
023 */
024public interface ResponseRenderer
025{
026    /**
027     * Renders a markup response by rendering the named page.
028     *
029     * @param pageName logical name of page to provide the markup
030     */
031    void renderPageMarkupResponse(String pageName) throws IOException;
032
033
034    /**
035     * Finds the content type for the page containing the indicated component.
036     *
037     * @param component a component within a page
038     * @return the content type
039     * @throws IllegalArgumentException if the component parameter is not a component
040     */
041    ContentType findContentType(Object component);
042}