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30 day Evaluation License registered to hlship@comcast.net Your 30 day evaluation period has expired. Please visit http://www.cenqua.com to obtain a licensed version of Clover | |||||||||||||||||||
Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
ResetService.java | 75% | 93.8% | 100% | 92.6% |
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1 | // Copyright 2004, 2005 The Apache Software Foundation | |
2 | // | |
3 | // Licensed under the Apache License, Version 2.0 (the "License"); | |
4 | // you may not use this file except in compliance with the License. | |
5 | // You may obtain a copy of the License at | |
6 | // | |
7 | // http://www.apache.org/licenses/LICENSE-2.0 | |
8 | // | |
9 | // Unless required by applicable law or agreed to in writing, software | |
10 | // distributed under the License is distributed on an "AS IS" BASIS, | |
11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
12 | // See the License for the specific language governing permissions and | |
13 | // limitations under the License. | |
14 | ||
15 | package org.apache.tapestry.engine; | |
16 | ||
17 | import java.io.IOException; | |
18 | import java.util.HashMap; | |
19 | import java.util.Map; | |
20 | ||
21 | import org.apache.tapestry.IRequestCycle; | |
22 | import org.apache.tapestry.Tapestry; | |
23 | import org.apache.tapestry.services.LinkFactory; | |
24 | import org.apache.tapestry.services.ResetEventCoordinator; | |
25 | import org.apache.tapestry.services.ResponseRenderer; | |
26 | import org.apache.tapestry.services.ServiceConstants; | |
27 | ||
28 | /** | |
29 | * ServiceLink used to discard all cached data (templates, specifications, et cetera). This is | |
30 | * primarily used during development. It could be a weakness of a Tapestry application, making it | |
31 | * susceptible to denial of service attacks, which is why it is disabled by default. The link | |
32 | * generated by the ResetService redisplays the current page after discarding all data. | |
33 | * | |
34 | * @author Howard Lewis Ship | |
35 | * @since 1.0.9 | |
36 | */ | |
37 | ||
38 | public class ResetService implements IEngineService | |
39 | { | |
40 | /** @since 4.0 */ | |
41 | ||
42 | private ResponseRenderer _responseRenderer; | |
43 | ||
44 | /** @since 4.0 */ | |
45 | ||
46 | private ResetEventCoordinator _resetEventCoordinator; | |
47 | ||
48 | /** @since 4.0 */ | |
49 | private boolean _enabled; | |
50 | ||
51 | /** @since 4.0 */ | |
52 | ||
53 | private LinkFactory _linkFactory; | |
54 | ||
55 | 4 | public ILink getLink(IRequestCycle cycle, Object parameter) |
56 | { | |
57 | 4 | if (parameter != null) |
58 | 1 | throw new IllegalArgumentException(EngineMessages.serviceNoParameter(this)); |
59 | ||
60 | 3 | Map parameters = new HashMap(); |
61 | ||
62 | 3 | parameters.put(ServiceConstants.SERVICE, Tapestry.RESET_SERVICE); |
63 | 3 | parameters.put(ServiceConstants.PAGE, cycle.getPage().getPageName()); |
64 | ||
65 | 3 | return _linkFactory.constructLink(cycle, parameters, true); |
66 | } | |
67 | ||
68 | 4 | public String getName() |
69 | { | |
70 | 4 | return Tapestry.RESET_SERVICE; |
71 | } | |
72 | ||
73 | 1 | public void service(IRequestCycle cycle) throws IOException |
74 | { | |
75 | 1 | String pageName = cycle.getParameter(ServiceConstants.PAGE); |
76 | ||
77 | 1 | if (_enabled) |
78 | 0 | _resetEventCoordinator.fireResetEvent(); |
79 | ||
80 | 1 | cycle.activate(pageName); |
81 | ||
82 | // Render the same page (that contained the reset link). | |
83 | ||
84 | 1 | _responseRenderer.renderResponse(cycle); |
85 | } | |
86 | ||
87 | /** @since 4.0 */ | |
88 | 2 | public void setResponseRenderer(ResponseRenderer responseRenderer) |
89 | { | |
90 | 2 | _responseRenderer = responseRenderer; |
91 | } | |
92 | ||
93 | /** @since 4.0 */ | |
94 | ||
95 | 2 | public void setResetEventCoordinator(ResetEventCoordinator resetEventCoordinator) |
96 | { | |
97 | 2 | _resetEventCoordinator = resetEventCoordinator; |
98 | } | |
99 | ||
100 | /** @since 4.0 */ | |
101 | ||
102 | 2 | public void setEnabled(boolean enabled) |
103 | { | |
104 | 2 | _enabled = enabled; |
105 | } | |
106 | ||
107 | /** @since 4.0 */ | |
108 | 3 | public void setLinkFactory(LinkFactory linkFactory) |
109 | { | |
110 | 3 | _linkFactory = linkFactory; |
111 | } | |
112 | } |
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