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 757213 2009-03-22 16:43:31Z 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 RunData data; | |
54 | ||
55 | private 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.NAME); |
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 | } |