    001// Copyright 2008-2013 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;
    016
    017import org.apache.tapestry5.dom.Element;
    018
    019
    020/**
    021 * An interface that allows objects to be alerted after an element is started, and after an element is ended.
    022 */
    023public interface MarkupWriterListener
    024{
    025    /**
    026     * Invoked just after an element and its initial set of attributes has been written.
    027     *
    028     * @param element element just created and populated with attributes
    029     * @see org.apache.tapestry5.MarkupWriter#element(String, Object[])
    030     * @see org.apache.tapestry5.MarkupWriter#elementNS(String, String)
    031     */
    032    void elementDidStart(Element element);
    033
    034    /**
    035     * Invoked just after an element has ended.
    036     *
    037     * @param element just ended
    038     * @see org.apache.tapestry5.MarkupWriter#end()
    039     */
    040    void elementDidEnd(Element element);
    041}