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Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
UserAttributeBinding.java | 100% | 100% | 100% | 100% |
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1 | // Copyright 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.portlet.bindings; | |
16 | ||
17 | import java.util.Map; | |
18 | ||
19 | import javax.portlet.PortletRequest; | |
20 | ||
21 | import org.apache.hivemind.ApplicationRuntimeException; | |
22 | import org.apache.hivemind.Location; | |
23 | import org.apache.hivemind.util.Defense; | |
24 | import org.apache.tapestry.binding.AbstractBinding; | |
25 | import org.apache.tapestry.coerce.ValueConverter; | |
26 | ||
27 | /** | |
28 | * Allows access to a Portlet user attrbute. | |
29 | * | |
30 | * @author Howard M. Lewis Ship | |
31 | * @since 4.0 | |
32 | */ | |
33 | public class UserAttributeBinding extends AbstractBinding | |
34 | { | |
35 | private PortletRequest _request; | |
36 | ||
37 | private String _attributeName; | |
38 | ||
39 | 3 | public UserAttributeBinding(String description, ValueConverter valueConverter, |
40 | Location location, PortletRequest request, String attributeName) | |
41 | { | |
42 | 3 | super(description, valueConverter, location); |
43 | ||
44 | 3 | Defense.notNull(request, "request"); |
45 | 3 | Defense.notNull(attributeName, "attributeName"); |
46 | ||
47 | 3 | _request = request; |
48 | 3 | _attributeName = attributeName; |
49 | } | |
50 | ||
51 | 1 | public boolean isInvariant() |
52 | { | |
53 | // These can always be changed. | |
54 | 1 | return false; |
55 | } | |
56 | ||
57 | 3 | private Map getUserInfo() |
58 | { | |
59 | 3 | Map result = (Map) _request.getAttribute(PortletRequest.USER_INFO); |
60 | ||
61 | 3 | if (result == null) |
62 | 1 | throw new ApplicationRuntimeException(BindingsMessages.noUserInfo(), getLocation(), |
63 | null); | |
64 | ||
65 | 2 | return result; |
66 | } | |
67 | ||
68 | 2 | public Object getObject() |
69 | { | |
70 | 2 | return getUserInfo().get(_attributeName); |
71 | } | |
72 | ||
73 | 1 | public void setObject(Object value) |
74 | { | |
75 | 1 | String asString = (String) getValueConverter().coerceValue(value, String.class); |
76 | ||
77 | 1 | getUserInfo().put(_attributeName, asString); |
78 | } | |
79 | } |
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