001    /*
002    * Licensed to the Apache Software Foundation (ASF) under one or more
003    * contributor license agreements.  See the NOTICE file distributed with
004    * this work for additional information regarding copyright ownership.
005    * The ASF licenses this file to You under the Apache License, Version 2.0
006    * (the "License"); you may not use this file except in compliance with
007    * the License.  You may obtain a copy of the License at
008    *
009    *     http://www.apache.org/licenses/LICENSE-2.0
010    *
011    * Unless required by applicable law or agreed to in writing, software
012    * distributed under the License is distributed on an "AS IS" BASIS,
013    * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014    * See the License for the specific language governing permissions and
015    * limitations under the License.
016    */
017    
018    
019    package javax.servlet.jsp.tagext;
020    
021    import java.io.InputStream;
022    
023    /**
024     * Translation-time information on a JSP page.  The information
025     * corresponds to the XML view of the JSP page.
026     *
027     * <p>
028     * Objects of this type are generated by the JSP translator, e.g.
029     * when being pased to a TagLibraryValidator instance.
030     */
031    
032    abstract public class PageData {
033    
034        /**
035         * Sole constructor. (For invocation by subclass constructors, 
036         * typically implicit.)
037         */
038        public PageData() {
039        }
040        
041        /**
042         * Returns an input stream on the XML view of a JSP page.
043         * The stream is encoded in UTF-8.  Recall tht the XML view of a 
044         * JSP page has the include directives expanded.
045         * 
046         * @return An input stream on the document.
047         */
048       abstract public InputStream getInputStream();
049    }