| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| JspScreenPlaceholder |
|
| 2.0;2 |
| 1 | package org.apache.turbine.services.jsp.util; | |
| 2 | ||
| 3 | ||
| 4 | /* | |
| 5 | * Licensed to the Apache Software Foundation (ASF) under one | |
| 6 | * or more contributor license agreements. See the NOTICE file | |
| 7 | * distributed with this work for additional information | |
| 8 | * regarding copyright ownership. The ASF licenses this file | |
| 9 | * to you under the Apache License, Version 2.0 (the | |
| 10 | * "License"); you may not use this file except in compliance | |
| 11 | * with the License. You may obtain a copy of the License at | |
| 12 | * | |
| 13 | * http://www.apache.org/licenses/LICENSE-2.0 | |
| 14 | * | |
| 15 | * Unless required by applicable law or agreed to in writing, | |
| 16 | * software distributed under the License is distributed on an | |
| 17 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
| 18 | * KIND, either express or implied. See the License for the | |
| 19 | * specific language governing permissions and limitations | |
| 20 | * under the License. | |
| 21 | */ | |
| 22 | ||
| 23 | ||
| 24 | import org.apache.commons.logging.Log; | |
| 25 | import org.apache.commons.logging.LogFactory; | |
| 26 | import org.apache.turbine.modules.Screen; | |
| 27 | import org.apache.turbine.modules.ScreenLoader; | |
| 28 | import org.apache.turbine.services.assemblerbroker.TurbineAssemblerBroker; | |
| 29 | import org.apache.turbine.services.template.TurbineTemplate; | |
| 30 | import org.apache.turbine.util.RunData; | |
| 31 | ||
| 32 | /** | |
| 33 | * Returns output of a Screen module. An instance of this is placed in the | |
| 34 | * request by the JspLayout. This allows template authors to | |
| 35 | * place the screen template within the layout.<br> | |
| 36 | * Here's how it's used in a JSP template:<br> | |
| 37 | * <code> | |
| 38 | * <%useBean id="screen_placeholder" class="JspScreenPlaceholder" scope="request"/%> | |
| 39 | * ... | |
| 40 | * <%= screen_placeholder %> | |
| 41 | *</code> | |
| 42 | * | |
| 43 | * @author <a href="john.mcnally@clearink.com">John D. McNally</a> | |
| 44 | * @author <a href="mailto:hps@intermeta.de">Henning P. Schmiedehausen</a> | |
| 45 | * @version $Id: JspScreenPlaceholder.java 1199089 2011-11-08 03:14:28Z tv $ | |
| 46 | */ | |
| 47 | public class JspScreenPlaceholder | |
| 48 | { | |
| 49 | /** Logging */ | |
| 50 | 0 | private static Log log = LogFactory.getLog(JspNavigation.class); |
| 51 | ||
| 52 | /* The RunData object */ | |
| 53 | private final RunData data; | |
| 54 | ||
| 55 | private final ScreenLoader screenLoader; | |
| 56 | ||
| 57 | /** | |
| 58 | * Constructor | |
| 59 | * | |
| 60 | * @param data A Rundata Object | |
| 61 | */ | |
| 62 | public JspScreenPlaceholder(RunData data) | |
| 63 | 0 | { |
| 64 | 0 | this.data = data; |
| 65 | 0 | this.screenLoader = (ScreenLoader)TurbineAssemblerBroker.getLoader(Screen.class); |
| 66 | 0 | } |
| 67 | ||
| 68 | /** | |
| 69 | * builds the output of the navigation template | |
| 70 | */ | |
| 71 | public void exec() | |
| 72 | { | |
| 73 | 0 | String template = null; |
| 74 | 0 | String module = null; |
| 75 | try | |
| 76 | { | |
| 77 | 0 | template = data.getTemplateInfo().getScreenTemplate(); |
| 78 | 0 | module = TurbineTemplate.getScreenName(template); |
| 79 | 0 | screenLoader.exec(data, module); |
| 80 | } | |
| 81 | 0 | catch (Exception e) |
| 82 | { | |
| 83 | 0 | String message = "Error processing navigation template:" + |
| 84 | template + " using module: " + module; | |
| 85 | 0 | log.error(message, e); |
| 86 | try | |
| 87 | { | |
| 88 | 0 | data.getResponse().getWriter().print("Error processing navigation template: " |
| 89 | + template + " using module: " + module); | |
| 90 | } | |
| 91 | 0 | catch (java.io.IOException ioe) |
| 92 | { | |
| 93 | // ignore | |
| 94 | 0 | } |
| 95 | 0 | } |
| 96 | 0 | } |
| 97 | } |