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1 package org.apache.turbine.modules.layouts; 2 3 /* ==================================================================== 4 * The Apache Software License, Version 1.1 5 * 6 * Copyright (c) 2001 The Apache Software Foundation. All rights 7 * reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in 18 * the documentation and/or other materials provided with the 19 * distribution. 20 * 21 * 3. The end-user documentation included with the redistribution, 22 * if any, must include the following acknowledgment: 23 * "This product includes software developed by the 24 * Apache Software Foundation (http://www.apache.org/)." 25 * Alternately, this acknowledgment may appear in the software itself, 26 * if and wherever such third-party acknowledgments normally appear. 27 * 28 * 4. The names "Apache" and "Apache Software Foundation" and 29 * "Apache Turbine" must not be used to endorse or promote products 30 * derived from this software without prior written permission. For 31 * written permission, please contact apache@apache.org. 32 * 33 * 5. Products derived from this software may not be called "Apache", 34 * "Apache Turbine", nor may "Apache" appear in their name, without 35 * prior written permission of the Apache Software Foundation. 36 * 37 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED 38 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 39 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 40 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR 41 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 42 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 43 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 44 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 45 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 46 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 47 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 48 * SUCH DAMAGE. 49 * ==================================================================== 50 * 51 * This software consists of voluntary contributions made by many 52 * individuals on behalf of the Apache Software Foundation. For more 53 * information on the Apache Software Foundation, please see 54 * <http://www.apache.org/>;. 55 */ 56 57 import org.apache.turbine.modules.Layout; 58 import org.apache.turbine.util.RunData; 59 import org.apache.turbine.services.TurbineServices; 60 import org.apache.turbine.services.jsp.JspService; 61 import org.apache.turbine.services.jsp.util.JspNavigation; 62 import org.apache.turbine.services.jsp.util.JspScreenPlaceholder; 63 64 65 /*** 66 * This Layout module allows JSP templates to be used as layouts. Since 67 * dynamic content is supposed to be primarily located in screens and 68 * navigations there should be relatively few reasons to subclass this Layout. 69 * 70 * @author <a href="mailto:john.mcnally@clearink.com">John D. McNally</a> 71 */ 72 public class JspLayout extends Layout 73 { 74 /*** 75 * Method called by LayoutLoader. 76 * 77 * @param RunData 78 * @return processed template in a String 79 */ 80 public void doBuild(RunData data) throws Exception 81 { 82 data.getResponse().setContentType("text/html"); 83 data.declareDirectResponse(); 84 // variable to reference the screen in the layout template 85 data.getRequest() 86 .setAttribute("screen_placeholder", 87 new JspScreenPlaceholder(data)); 88 // variable to reference the navigations in the layout template 89 data.getRequest() 90 .setAttribute("navigation", new JspNavigation(data)); 91 92 // Grab the layout template set in the TemplatePage. 93 String templateName = data.getTemplateInfo().getLayoutTemplate(); 94 // Finally, generate the layout template and output to the response 95 JspService jsp = (JspService)TurbineServices.getInstance() 96 .getService(JspService.SERVICE_NAME); 97 jsp.handleRequest(data, "/layouts" + templateName, true); 98 } 99 }

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