    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.corelib.components;
    016
    017    import org.apache.tapestry5.BindingConstants;
    018    import org.apache.tapestry5.MarkupWriter;
    019    import org.apache.tapestry5.annotations.Parameter;
    020
    021    /**
    022     * Overrides the DOCTYPE of the rendered document (via {@link org.apache.tapestry5.dom.Document#dtd(String, String, String)}
    023     * which can be useful when different component templates that render to the same document disagree about what the correct DOCTYPE
    024     * is.
    025     *
    026     * @tapestrydoc
    027     * @since 5.3
    028     */
    029    public class Doctype
    030    {
    031        @Parameter(required = true, allowNull = false, defaultPrefix = BindingConstants.LITERAL)
    032        private String name;
    033
    034        @Parameter(defaultPrefix = BindingConstants.LITERAL)
    035        private String publicId, systemId;
    036
    037        boolean beginRender(MarkupWriter writer)
    038        {
    039            writer.getDocument().dtd(name, publicId, systemId);
    040
    041            return false;
    042        }
    043    }