dlr 02/01/02 20:55:18 Added: src/java/org/apache/turbine/pipeline DirectTargetValve.java Log: Moved DirectTargetValve from DirectClassicPipeline inner instance class into a stand-alone class. Revision Changes Path 1.1 jakarta-turbine-3/src/java/org/apache/turbine/pipeline/DirectTargetValve.java Index: DirectTargetValve.java =================================================================== package org.apache.turbine.pipeline; /* ==================================================================== * The Apache Software License, Version 1.1 * * Copyright (c) 2001 The Apache Software Foundation. All rights * reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. The end-user documentation included with the redistribution, * if any, must include the following acknowledgment: * "This product includes software developed by the * Apache Software Foundation (http://www.apache.org/)." * Alternately, this acknowledgment may appear in the software itself, * if and wherever such third-party acknowledgments normally appear. * * 4. The names "Apache" and "Apache Software Foundation" and * "Apache Turbine" must not be used to endorse or promote products * derived from this software without prior written permission. For * written permission, please contact [EMAIL PROTECTED] * * 5. Products derived from this software may not be called "Apache", * "Apache Turbine", nor may "Apache" appear in their name, without * prior written permission of the Apache Software Foundation. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * ==================================================================== * * This software consists of voluntary contributions made by many * individuals on behalf of the Apache Software Foundation. For more * information on the Apache Software Foundation, please see * <http://www.apache.org/>. */ import org.apache.turbine.Log; import org.apache.turbine.RunData; import org.apache.turbine.Turbine; import org.apache.turbine.TemplateContext; import org.apache.turbine.modules.Module; /** * This <code>Valve</code> overrides the <code>execute()</code> method * of DefaultTargetValve, so that the response is written as the * template is rendered. In "Turbine classic" mode (from the 2.x * days) the results of template rendering are buffered (built up as a * <code>String</code>) and output after all rendering is completed. * * @author <a href="mailto:[EMAIL PROTECTED]";>John McNally</a> * @author <a href="mailto:[EMAIL PROTECTED]";>Daniel Rall</a> * @version $Id: DirectTargetValve.java,v 1.1 2002/01/03 04:55:18 dlr Exp $ * @see org.apache.turbine.pipeline.ClassicPipeline */ public class DirectTargetValve extends DefaultTargetValve { /** * Renders and writes result to the output stream in an * unbuffered fashion. * * @see org.apache.turbine.pipeline.DefaultTargetValve#execute(RunData) */ protected void execute(RunData data) throws Exception { data.getResponse().setLocale(data.getLocale()); data.getResponse().setContentType(data.getContentType()); // run the module chain // Need to execute the module that matches the template // if it exists. // As long as data.getTarget() changes during execution, // the new target is run , and so on runner.run(targetModuleType, data); // The execution of the module that corresponds to the requested // template may result in the target template being changed. // This happens for example when a user isn't logged in. The // template requested is '/Index.vm', but executing an Index // module might result in the target template being changed // to '/Login.vm'. We want to reset the target template value // here in case it has changed. String target = data.getTarget(); // With this target template we start by rendering // the appropriate layout template and everything // goes from there. // Now I think we have to find a page template based // on the content type. What other criterion could // we use. Maybe you might want to change it if // you were branding ... Renderer r = new DirectRenderer(data.getOut()); TemplateContext context = Module.getTemplateContext(data); context.put("renderer", r); context.put("template", target); context.put("runner", runner); // now we can use the renderer here // use the renderer to start the whole shabang String layoutTemplate = Turbine.getResolver() .getTemplate("layouts", target); String out = r.render(data, layoutTemplate); if (out != null && out.length() > 0) { // Write the response directly to the output stream. data.getOut().print(out); } } }
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