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1 | /* | |
2 | * See the NOTICE file distributed with this work for additional | |
3 | * information regarding copyright ownership. | |
4 | * | |
5 | * This is free software; you can redistribute it and/or modify it | |
6 | * under the terms of the GNU Lesser General Public License as | |
7 | * published by the Free Software Foundation; either version 2.1 of | |
8 | * the License, or (at your option) any later version. | |
9 | * | |
10 | * This software is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | * Lesser General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU Lesser General Public | |
16 | * License along with this software; if not, write to the Free | |
17 | * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA | |
18 | * 02110-1301 USA, or see the FSF site: http://www.fsf.org. | |
19 | */ | |
20 | package org.xwiki.script.internal; | |
21 | ||
22 | import java.util.List; | |
23 | ||
24 | import javax.inject.Inject; | |
25 | import javax.inject.Singleton; | |
26 | import javax.script.ScriptContext; | |
27 | ||
28 | import org.xwiki.component.annotation.Component; | |
29 | import org.xwiki.context.Execution; | |
30 | import org.xwiki.script.ScriptContextInitializer; | |
31 | import org.xwiki.script.ScriptContextManager; | |
32 | ||
33 | /** | |
34 | * Default implementation of {@link ScriptContextManager}. | |
35 | * | |
36 | * @version $Id: 9f47e62a86b1d80d7fe5955c0b926dff7a000523 $ | |
37 | */ | |
38 | @Component | |
39 | @Singleton | |
40 | public class DefaultScriptContextManager implements ScriptContextManager | |
41 | { | |
42 | /** | |
43 | * Used to get and insert script context in current execution context. | |
44 | */ | |
45 | @Inject | |
46 | private Execution execution; | |
47 | ||
48 | /** | |
49 | * The {@link ScriptContextInitializer} list used to initialize {@link ScriptContext}. | |
50 | */ | |
51 | @Inject | |
52 | private List<ScriptContextInitializer> scriptContextInitializerList; | |
53 | ||
54 | 0 | @Override |
55 | public ScriptContext getScriptContext() | |
56 | { | |
57 | // The Script Context is set in ScriptExecutionContextInitializer, when the XWiki Execution Context is | |
58 | // initialized so we are guaranteed it is defined when this method is called. | |
59 | 0 | ScriptContext context = |
60 | (ScriptContext) this.execution.getContext() | |
61 | .getProperty(ScriptExecutionContextInitializer.SCRIPT_CONTEXT_ID); | |
62 | ||
63 | // We re-initialize the Script Context with all Script Context Initializers. We do this in order to ensure | |
64 | // that the Script Context always contain correct values even if user scripts or XWiki code have modified them. | |
65 | // For example the current document in the Script Context could have changed and thus needs to be set back. | |
66 | 0 | for (ScriptContextInitializer scriptContextInitializer : this.scriptContextInitializerList) { |
67 | 0 | scriptContextInitializer.initialize(context); |
68 | } | |
69 | ||
70 | 0 | return context; |
71 | } | |
72 | } |
|