    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}