001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one
003     * or more contributor license agreements.  See the NOTICE file
004     * distributed with this work for additional information
005     * regarding copyright ownership.  The ASF licenses this file
006     * to you under the Apache License, Version 2.0 (the
007     * "License"); you may not use this file except in compliance
008     * with the License.  You may obtain a copy of the License at
009     *
010     *  http://www.apache.org/licenses/LICENSE-2.0
011     *
012     * Unless required by applicable law or agreed to in writing,
013     * software distributed under the License is distributed on an
014     * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015     * KIND, either express or implied.  See the License for the
016     * specific language governing permissions and limitations
017     * under the License.
018     */
019    
020    //
021    // This source code implements specifications defined by the Java
022    // Community Process. In order to remain compliant with the specification
023    // DO NOT add / change / or delete method signatures!
024    //
025    
026    package javax.servlet.jsp.tagext;
027    
028    import java.io.InputStream;
029    
030    /**
031     * Translation-time information on a JSP page.  The information
032     * corresponds to the XML view of the JSP page.
033     *
034     * <p>
035     * Objects of this type are generated by the JSP translator, e.g.
036     * when being pased to a TagLibraryValidator instance.
037     */
038    
039    abstract public class PageData {
040    
041        /**
042         * Sole constructor. (For invocation by subclass constructors, 
043         * typically implicit.)
044         */
045        public PageData() {
046        }
047        
048        /**
049         * Returns an input stream on the XML view of a JSP page.
050         * The stream is encoded in UTF-8.  Recall tht the XML view of a 
051         * JSP page has the include directives expanded.
052         * 
053         * @return An input stream on the document.
054         */
055       abstract public InputStream getInputStream();
056    }