    001    // Copyright 2007, 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
    015    package org.apache.tapestry5.services;
    016
    017    import org.apache.tapestry5.MarkupWriter;
    018    import org.apache.tapestry5.ioc.annotations.UsesOrderedConfiguration;
    019
    020    /**
    021     * An object which will perform rendering of a page (or portion of a page).  This interface exists to be filtered via
    022     * {@link org.apache.tapestry5.services.MarkupRendererFilter}.
    023     * <p/>
    024     * The MarkupRenderer service takes an ordered configuration of {@link org.apache.tapestry5.services.MarkupRendererFilter}s,
    025     * which are used for ordinary page rendering (as opposed to {@linkplain org.apache.tapestry5.services.PartialMarkupRenderer
    026     * partial page rendering} for Ajax requests). The MarkupRenderer service may be selected using the
    027     *
    028     * @see org.apache.tapestry5.ioc.annotations.Primary
    029     */
    030    @UsesOrderedConfiguration(MarkupRendererFilter.class)
    031    public interface MarkupRenderer
    032    {
    033        /**
    034         * Invoked to render some markup.
    035         *
    036         * @param writer to which markup should be written
    037         */
    038        void renderMarkup(MarkupWriter writer);
    039    }