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1
11 package org.eclipse.pde.internal.core.plugin;
12
13 import java.io.BufferedInputStream  ;
14 import java.io.ByteArrayInputStream ;
15 import java.io.IOException ;
16 import java.io.InputStream ;
17 import java.io.PrintWriter ;
18 import java.io.StringWriter ;
19 import java.net.MalformedURLException ;
20 import java.net.URL ;
21
22 import org.eclipse.core.resources.IFile;
23 import org.eclipse.core.resources.IResource;
24 import org.eclipse.core.runtime.CoreException;
25 import org.eclipse.core.runtime.IPath;
26 import org.eclipse.pde.core.IEditableModel;
27 import org.eclipse.pde.core.IModelChangedEvent;
28 import org.eclipse.pde.internal.core.NLResourceHelper;
29 import org.eclipse.pde.internal.core.PDECore;
30 import org.eclipse.pde.internal.core.ibundle.IBundlePluginModelBase;
31 import org.eclipse.pde.internal.core.ibundle.IBundlePluginModelProvider;
32
33 public class WorkspaceExtensionsModel
34 extends AbstractExtensionsModel
35 implements IEditableModel, IBundlePluginModelProvider {
36 private static final long serialVersionUID = 1L;
37 private IFile fUnderlyingResource;
38 private boolean fDirty;
39 private boolean fEditable = true;
40 private transient IBundlePluginModelBase fBundleModel;
41
42
43 protected NLResourceHelper createNLResourceHelper() {
44 return new NLResourceHelper("plugin", getNLLookupLocations()); }
46
47 public URL getNLLookupLocation() {
48 try {
49 return new URL ("file:" + getInstallLocation() + "/"); } catch (MalformedURLException e) {
51 return null;
52 }
53 }
54
55 public WorkspaceExtensionsModel(IFile file) {
56 fUnderlyingResource = file;
57 }
58
59 public void fireModelChanged(IModelChangedEvent event) {
60 fDirty = true;
61 super.fireModelChanged(event);
62 }
63
64 public String getContents() {
65 StringWriter swriter = new StringWriter ();
66 PrintWriter writer = new PrintWriter (swriter);
67 save(writer);
68 writer.flush();
69 try {
70 swriter.close();
71 } catch (IOException e) {
72 }
73 return swriter.toString();
74 }
75
76 public String getInstallLocation() {
77 return fUnderlyingResource.getLocation().removeLastSegments(1).addTrailingSeparator().toOSString();
78 }
79
80 public IResource getUnderlyingResource() {
81 return fUnderlyingResource;
82 }
83
84 public boolean isInSync() {
85 if (fUnderlyingResource == null)
86 return true;
87 IPath path = fUnderlyingResource.getLocation();
88 if (path == null)
89 return false;
90 return super.isInSync(path.toFile());
91 }
92
93 public boolean isDirty() {
94 return fDirty;
95 }
96 public boolean isEditable() {
97 return fEditable;
98 }
99
100 public void load() {
101 if (fUnderlyingResource == null)
102 return;
103 if (fUnderlyingResource.exists()) {
104 try {
105 InputStream stream = new BufferedInputStream (fUnderlyingResource.getContents(true));
106 load(stream, false);
107 stream.close();
108 } catch (Exception e) {
109 PDECore.logException(e);
110 }
111 } else {
112 getExtensions(true);
113 setLoaded(true);
114 }
115 }
116
117 protected void updateTimeStamp() {
118 updateTimeStamp(fUnderlyingResource.getLocation().toFile());
119 }
120
121 public void save() {
122 if (fUnderlyingResource == null)
123 return;
124 try {
125 String contents = getContents();
126 ByteArrayInputStream stream =
127 new ByteArrayInputStream (contents.getBytes("UTF8")); if (fUnderlyingResource.exists()) {
129 fUnderlyingResource.setContents(stream, false, false, null);
130 } else {
131 fUnderlyingResource.create(stream, false, null);
132 }
133 stream.close();
134 } catch (CoreException e) {
135 PDECore.logException(e);
136 } catch (IOException e) {
137 }
138 }
139 public void save(PrintWriter writer) {
140 if (isLoaded()) {
141 fExtensions.write("", writer); }
143 fDirty = false;
144 }
145 public void setDirty(boolean dirty) {
146 fDirty = dirty;
147 }
148 public void setEditable(boolean editable) {
149 fEditable = editable;
150 }
151
154 protected Extensions createExtensions() {
155 Extensions extensions = super.createExtensions();
156 extensions.setIsFragment(fUnderlyingResource.getName().equals("fragment.xml")); return extensions;
158 }
159
160
163 public String toString() {
164 return fUnderlyingResource.getName();
165 }
166
167 public void setBundleModel(IBundlePluginModelBase model) {
168 fBundleModel = model;
169 }
170
171 public IBundlePluginModelBase getBundlePluginModel() {
172 return fBundleModel;
173 }
174
175
176 }
177 |
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