| <?xml version="1.0" encoding="UTF-8"?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml" lang="de"><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8"/><link rel="stylesheet" href="../jacoco-resources/report.css" type="text/css"/><link rel="shortcut icon" href="../jacoco-resources/report.gif" type="image/gif"/><title>RawScreen.java</title><link rel="stylesheet" href="../jacoco-resources/prettify.css" type="text/css"/><script type="text/javascript" src="../jacoco-resources/prettify.js"></script></head><body onload="window['PR_TAB_WIDTH']=4;prettyPrint()"><div class="breadcrumb" id="breadcrumb"><span class="info"><a href="../jacoco-sessions.html" class="el_session">Sessions</a></span><a href="../index.html" class="el_report">Apache Turbine</a> > <a href="index.source.html" class="el_package">org.apache.turbine.modules.screens</a> > <span class="el_source">RawScreen.java</span></div><h1>RawScreen.java</h1><pre class="source lang-java linenums">package org.apache.turbine.modules.screens; |
| |
| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| |
| // Turbine stuff. |
| |
| import org.apache.turbine.modules.Screen; |
| import org.apache.turbine.pipeline.PipelineData; |
| import org.apache.turbine.util.RunData; |
| |
| /** |
| * Base class for writing Screens that output binary data. This class |
| * is provided as a helper class for those who want to write Screens |
| * that output raw binary data. For example, it may be extended into |
| * a Screen that outputs a SVG file or a SWF (Flash Player format) |
| * movie. The only thing one has to do is to implement the two |
| * methods <code>getContentType(PipelineData data)</code> and |
| * <code>doOutput(PipelineData data)</code> (see below). |
| * |
| * <p> You might want to take a look at the ImageServer screen class |
| * contained in the TDK.<br> |
| * |
| * @author <a href="mailto:rkoenig@chez.com">Regis Koenig</a> |
| * @author <a href="mailto:peter@courcoux.biz">Peter Courcoux</a> |
| * @version $Id$ |
| */ |
| <span class="nc" id="L45">public abstract class RawScreen implements Screen</span> |
| { |
| /** |
| * Build the Screen. This method actually makes a call to the |
| * doOutput() method in order to generate the Screen content. |
| * |
| * @param pipelineData Turbine information. |
| * @return A ConcreteElement. |
| * @throws Exception a generic exception. |
| */ |
| @Override |
| public final String doBuild(PipelineData pipelineData) |
| throws Exception |
| { |
| <span class="nc" id="L59"> RunData data = pipelineData.getRunData();</span> |
| <span class="nc" id="L60"> data.getResponse().setContentType(getContentType(pipelineData));</span> |
| <span class="nc" id="L61"> data.declareDirectResponse();</span> |
| <span class="nc" id="L62"> doOutput(pipelineData);</span> |
| <span class="nc" id="L63"> return null;</span> |
| } |
| |
| /** |
| * Set the content type. This method should be overridden to |
| * actually set the real content-type header of the output. |
| * |
| * @param pipelineData Turbine information. |
| * @return A String with the content type. |
| */ |
| protected abstract String getContentType(PipelineData pipelineData); |
| |
| /** |
| * Actually output the dynamic content. The OutputStream can be |
| * accessed like this: <pre>OutputStream out = |
| * data.getResponse().getOutputStream();</pre>. |
| * |
| * @param pipelineData Turbine information. |
| * @throws Exception a generic exception. |
| */ |
| protected abstract void doOutput(PipelineData pipelineData) throws Exception; |
| |
| /** |
| * The layout must be set to null. |
| * |
| * @param pipelineData Turbine information. |
| * @return A null String. |
| */ |
| @Override |
| public final String getLayout(PipelineData pipelineData) |
| { |
| <span class="nc" id="L94"> return null;</span> |
| } |
| } |
| </pre><div class="footer"><span class="right">Created with <a href="http://www.jacoco.org/jacoco">JaCoCo</a> 0.8.12.202403310830</span></div></body></html> |
