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1
11 package org.eclipse.pde.internal.core.site;
12
13 import java.io.InputStream  ;
14
15 import javax.xml.parsers.SAXParser ;
16
17 import org.eclipse.core.runtime.CoreException;
18 import org.eclipse.pde.core.IModelChangedEvent;
19 import org.eclipse.pde.core.ModelChangedEvent;
20 import org.eclipse.pde.internal.core.AbstractModel;
21 import org.eclipse.pde.internal.core.PDECore;
22 import org.eclipse.pde.internal.core.XMLDefaultHandler;
23 import org.eclipse.pde.internal.core.isite.ISite;
24 import org.eclipse.pde.internal.core.isite.ISiteModel;
25 import org.eclipse.pde.internal.core.isite.ISiteModelFactory;
26 import org.w3c.dom.Document ;
27 import org.w3c.dom.Node ;
28
29 public abstract class AbstractSiteModel
30 extends AbstractModel
31 implements ISiteModel {
32 protected transient Site site;
33 private transient ISiteModelFactory factory;
34 private boolean enabled = true;
35
36 public AbstractSiteModel() {
37 super();
38 }
39 public ISite getSite() {
40 if (site == null) {
41 Site s = new Site();
42 s.model = this;
43 this.site = s;
44 }
45 return site;
46 }
47 public ISiteModelFactory getFactory() {
48 if (factory == null)
49 factory = new SiteModelFactory(this);
50 return factory;
51 }
52 public String getInstallLocation() {
53 return null;
54 }
55 public boolean isEditable() {
56 return true;
57 }
58 public boolean isEnabled() {
59 return enabled;
60 }
61 public boolean isValid() {
62 if (!isLoaded() || site==null) return false;
63 return site.isValid();
64 }
65 public void load(InputStream stream, boolean outOfSync) throws CoreException {
66 try {
67 SAXParser parser = getSaxParser();
68 XMLDefaultHandler handler = new XMLDefaultHandler();
69 parser.parse(stream, handler);
70 if (handler.isPrepared()) {
71 processDocument(handler.getDocument());
72 setLoaded(true);
73 if (!outOfSync)
74 updateTimeStamp();
75 }
76 } catch (Exception e) {
77 PDECore.logException(e);
78 }
79 }
80
81 private void processDocument(Document doc) {
82 Node rootNode = doc.getDocumentElement();
83 if (site == null) {
84 site = new Site();
85 site.model = this;
86 } else {
87 site.reset();
88 }
89 site.parse(rootNode);
90 }
91 public void reload(InputStream stream, boolean outOfSync)
92 throws CoreException {
93 if (site != null)
94 site.reset();
95 load(stream, outOfSync);
96 fireModelChanged(
97 new ModelChangedEvent(this,
98 IModelChangedEvent.WORLD_CHANGED,
99 new Object [] { site },
100 null));
101 }
102 public void setEnabled(boolean enabled) {
103 this.enabled = enabled;
104 }
105 }
106 |
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