Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
DetermineTargetValve |
|
| 4.0;4 |
1 | package org.apache.turbine.pipeline; | |
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 java.io.IOException; | |
25 | ||
26 | import org.apache.commons.logging.Log; | |
27 | import org.apache.commons.logging.LogFactory; | |
28 | import org.apache.turbine.util.RunData; | |
29 | import org.apache.turbine.util.TurbineException; | |
30 | import org.apache.turbine.util.uri.URIConstants; | |
31 | ||
32 | /** | |
33 | * This valve is responsible for setting the 'target' property of the RunData. | |
34 | * If it is not already set it attempts to get the target from the request | |
35 | * parameter 'template'. If the parameter is not set, we use the homepage | |
36 | * specified by the configuration property Turbine.TEMPLATE_HOMEPAGE. | |
37 | * | |
38 | * FIXME: The request parameter which determines the template should be | |
39 | * configurable. | |
40 | * | |
41 | * @author <a href="mailto:james@jamestaylor.org">James Taylor</a> | |
42 | * @author <a href="mailto:peter@courcoux.biz">Peter Courcoux</a> | |
43 | */ | |
44 | 45 | public class DetermineTargetValve |
45 | extends AbstractValve | |
46 | { | |
47 | 33 | private static final Log log |
48 | = LogFactory.getLog(DetermineTargetValve.class); | |
49 | ||
50 | /** | |
51 | * @see org.apache.turbine.pipeline.Valve#invoke(PipelineData, ValveContext) | |
52 | */ | |
53 | public void invoke(PipelineData pipelineData, ValveContext context) | |
54 | throws IOException, TurbineException | |
55 | { | |
56 | 3 | RunData runData = getRunData(pipelineData); |
57 | 3 | if (! runData.hasScreen()) |
58 | { | |
59 | 3 | String target = runData.getParameters().getString(URIConstants.CGI_SCREEN_PARAM); |
60 | ||
61 | 3 | if (target != null) |
62 | { | |
63 | 1 | runData.setScreen(target); |
64 | ||
65 | 1 | log.debug("Set screen target from request parameter"); |
66 | } | |
67 | else | |
68 | { | |
69 | /* data.setScreen(Turbine.getConfiguration().getString( | |
70 | Turbine.TEMPLATE_HOMEPAGE)); | |
71 | ||
72 | log.debug("Set target using default value"); | |
73 | */ | |
74 | 2 | log.debug("No target screen"); |
75 | } | |
76 | ||
77 | } | |
78 | ||
79 | 3 | if (log.isDebugEnabled()) |
80 | { | |
81 | 3 | log.debug("Screen Target is now: " + runData.getScreen()); |
82 | } | |
83 | ||
84 | // Pass control to the next Valve in the Pipeline | |
85 | 3 | context.invokeNext(pipelineData); |
86 | 2 | } |
87 | } |