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1
11 package org.eclipse.help.internal;
12
13 import java.lang.reflect.Constructor  ;
14 import java.util.Collections ;
15 import java.util.HashMap ;
16 import java.util.Map ;
17
18 import org.eclipse.help.IAnchor;
19 import org.eclipse.help.ICommandLink;
20 import org.eclipse.help.IContentExtension;
21 import org.eclipse.help.IContext;
22 import org.eclipse.help.IInclude;
23 import org.eclipse.help.IIndex;
24 import org.eclipse.help.IIndexEntry;
25 import org.eclipse.help.ILink;
26 import org.eclipse.help.IToc;
27 import org.eclipse.help.ITopic;
28 import org.eclipse.help.IUAElement;
29 import org.eclipse.help.internal.context.Context;
30 import org.eclipse.help.internal.extension.ContentExtension;
31 import org.eclipse.help.internal.index.Index;
32 import org.eclipse.help.internal.index.IndexEntry;
33 import org.eclipse.help.internal.toc.Link;
34 import org.eclipse.help.internal.toc.Toc;
35 import org.w3c.dom.Element ;
36
37
41 public class UAElementFactory {
42
43 private static final Class [][] interfaceTable = new Class [][] {
44 { ITopic.class, Topic.class },
45 { IIndexEntry.class, IndexEntry.class },
46 { IContext.class, Context.class },
47 { IAnchor.class, Anchor.class },
48 { IInclude.class, Include.class },
49 { ILink.class, Link.class },
50 { IToc.class, Toc.class },
51 { ICommandLink.class, CommandLink.class },
52 { IIndex.class, Index.class },
53 { IContentExtension.class, ContentExtension.class },
54 };
55
56 private static final Map classByElementName;
57
58 static {
59 classByElementName = Collections.synchronizedMap(new HashMap ());
60 classByElementName.put(Anchor.NAME, Anchor.class);
61 classByElementName.put(Include.NAME, Include.class);
62 classByElementName.put(Toc.NAME, Toc.class);
63 classByElementName.put(Topic.NAME, Topic.class);
64 classByElementName.put(Index.NAME, Index.class);
65 classByElementName.put(IndexEntry.NAME, IndexEntry.class);
66 classByElementName.put(Context.NAME, Context.class);
67 classByElementName.put(CommandLink.NAME, CommandLink.class);
68 classByElementName.put(Link.NAME, Link.class);
69 classByElementName.put(ContentExtension.NAME_CONTRIBUTION, ContentExtension.class);
70 classByElementName.put(ContentExtension.NAME_CONTRIBUTION_LEGACY, ContentExtension.class);
71 classByElementName.put(ContentExtension.NAME_REPLACEMENT, ContentExtension.class);
72 classByElementName.put(ContentExtension.NAME_REPLACEMENT_LEGACY, ContentExtension.class);
73 }
74
75 public static UAElement newElement(Element element) {
76 String name = element.getNodeName();
77 Class clazz = (Class )classByElementName.get(name);
78 if (clazz != null) {
79 try {
80 Constructor constructor = clazz.getConstructor(new Class [] { Element.class });
81 return (UAElement)constructor.newInstance(new Object [] { element });
82 }
83 catch (Exception e) {
84 String msg = "Error creating document model element"; HelpPlugin.logError(msg, e);
86 }
87 }
88 return new UAElement(element);
89 }
90
91 public static UAElement newElement(IUAElement src) {
92 for (int i=0;i<interfaceTable.length;++i) {
93 Class interfaze = interfaceTable[i][0];
94 Class clazz = interfaceTable[i][1];
95 if (interfaze.isAssignableFrom(src.getClass())) {
96 try {
97 Constructor constructor = clazz.getConstructor(new Class [] { interfaze });
98 return (UAElement)constructor.newInstance(new Object [] { src });
99 }
100 catch (Exception e) {
101 String msg = "Error creating document model element"; HelpPlugin.logError(msg, e);
103 }
104 }
105 }
106 return null;
107 }
108 }
109 |
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