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.services;
016    
017    import org.apache.tapestry5.dom.Document;
018    
019    /**
020     * Interface used to programatically render a page, forming a {@link org.apache.tapestry5.dom.Document} which can then
021     * be manipulated or {@linkplain org.apache.tapestry5.dom.Document#toMarkup(java.io.PrintWriter) streamed to a
022     * PrintWriter}.
023     */
024    public interface PageDocumentGenerator
025    {
026        /**
027         * Renders the page.
028         */
029        Document render(String logicalPageName);
030    }