Wiki source code of DynamicMessageTool

Last modified by Administrator on 2012/03/21 17:41

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 1: {{groovy}}
 2: import com.xpn.xwiki.doc.XWikiDocument;
 3: import com.xpn.xwiki.web.Utils;
 4: import com.xpn.xwiki.web.XWikiMessageTool;
 5: 
 6: import java.util.HashMap;
 7: import java.util.List;
 8: import java.util.Map;
 9: 
10: import org.xwiki.script.service.ScriptService;
11: import org.xwiki.component.descriptor.DefaultComponentDescriptor;
12: 
13: /**
14:  * Extends the default message tool with the ability to add/overwrite translation keys dynamically.
15:  */
16: public class XWikiDynamicMessageTool extends XWikiMessageTool
17: {
18:   private XWikiMessageTool msg;
19: 
20:   private Map<String, String> overwrites = new HashMap<String, String>();
21: 
22:   public XWikiDynamicMessageTool(XWikiMessageTool msg)
23:   {
24:     super(msg.bundle, msg.context);
25:     this.msg = msg;
26:   }
27: 
28:   public List<XWikiDocument> getDocumentBundles()
29:   {
30:     return this.msg.getDocumentBundles();
31:   }
32: 
33:   protected String getTranslation(String key)
34:   {
35:     if (key == null) {
36:       return null;
37:     }
38:     String value = this.overwrites.get(key);
39:     return value != null ? value : this.msg.getTranslation(key);
40:   }
41: 
42:   public String put(String key, String value)
43:   {
44:     return this.overwrites.put(key, value);
45:   }
46: }
47: 
48: public class XWikiDynamicMessageToolFactory implements ScriptService
49: {
50:   public XWikiDynamicMessageTool createDynamicMessageTool(XWikiMessageTool msg, Map<?, ?> overwrites)
51:   {
52:     XWikiDynamicMessageTool dynamicMessageTool = new XWikiDynamicMessageTool(msg);
53:     for(Map.Entry<?,?> entry : overwrites.entrySet()) {
54:       dynamicMessageTool.put(entry.getKey(), entry.getValue());
55:     }
56:     return dynamicMessageTool;
57:   }
58: }
59: 
60: if (!Utils.getComponentManager().hasComponent(ScriptService.class, 'dynamicMessageToolFactory')) {
61:   Utils.getComponentManager().registerComponent(new DefaultComponentDescriptor(implementation: XWikiDynamicMessageToolFactory.class, role: ScriptService.class, roleHint: 'dynamicMessageToolFactory'));
62: }
63: {{/groovy}}