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    
015    package org.apache.tapestry5;
016    
017    import org.apache.tapestry5.dom.Element;
018    
019    
020    /**
021     * An interface that allows objects to be alerted when after an element is started, and after an element is ended.
022     */
023    public 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    }