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1
11 package org.eclipse.pde.internal.core.plugin;
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.osgi.service.resolver.BundleDescription;
19 import org.eclipse.pde.core.IModelChangedEvent;
20 import org.eclipse.pde.core.ModelChangedEvent;
21 import org.eclipse.pde.core.plugin.IExtensions;
22 import org.eclipse.pde.core.plugin.IExtensionsModelFactory;
23 import org.eclipse.pde.core.plugin.IPluginAttribute;
24 import org.eclipse.pde.core.plugin.IPluginBase;
25 import org.eclipse.pde.core.plugin.IPluginElement;
26 import org.eclipse.pde.core.plugin.IPluginExtension;
27 import org.eclipse.pde.core.plugin.IPluginExtensionPoint;
28 import org.eclipse.pde.core.plugin.IPluginImport;
29 import org.eclipse.pde.core.plugin.IPluginLibrary;
30 import org.eclipse.pde.core.plugin.IPluginModelBase;
31 import org.eclipse.pde.core.plugin.IPluginModelFactory;
32 import org.eclipse.pde.core.plugin.IPluginObject;
33 import org.eclipse.pde.internal.core.AbstractNLModel;
34 import org.eclipse.pde.internal.core.PDEState;
35
36 public abstract class AbstractPluginModelBase
37 extends AbstractNLModel
38 implements IPluginModelBase, IPluginModelFactory {
39 protected IPluginBase fPluginBase;
40 private boolean enabled;
41 private BundleDescription fBundleDescription;
42 protected boolean fAbbreviated;
43
44 public AbstractPluginModelBase() {
45 super();
46 }
47
48 public abstract String getInstallLocation();
49
50 public abstract IPluginBase createPluginBase();
51
52 public IExtensions createExtensions() {
53 return createPluginBase();
54 }
55
56 public IExtensionsModelFactory getFactory() {
57 return this;
58 }
59
60 public IPluginModelFactory getPluginFactory() {
61 return this;
62 }
63
64 public IPluginBase getPluginBase() {
65 return getPluginBase(true);
66 }
67 public IPluginBase getPluginBase(boolean createIfMissing) {
68 if (fPluginBase == null && createIfMissing) {
69 fPluginBase = createPluginBase();
70 setLoaded(true);
71 }
72 return fPluginBase;
73 }
74
75 public void load(InputStream stream, boolean outOfSync) throws CoreException {
76 load(stream, outOfSync, new PluginHandler(fAbbreviated));
77 }
78
79 public void load(InputStream stream, boolean outOfSync, PluginHandler handler) throws CoreException {
80 if (fPluginBase == null)
81 fPluginBase = createPluginBase();
82
83 ((PluginBase)fPluginBase).reset();
84 setLoaded(false);
85 try {
86 SAXParser parser = getSaxParser();
87 parser.parse(stream, handler);
88 ((PluginBase)fPluginBase).load(handler.getDocumentElement(), handler.getSchemaVersion());
89 setLoaded(true);
90 if (!outOfSync)
91 updateTimeStamp();
92 } catch (Exception e) {
93 }
94 }
95
96 public void load(BundleDescription description, PDEState state) {
97 setBundleDescription(description);
98 IPluginBase base = getPluginBase();
99 if (base instanceof Plugin)
100 ((Plugin)base).load(description, state);
101 else
102 ((Fragment)base).load(description, state);
103 updateTimeStamp();
104 setLoaded(true);
105 }
106
107 public IExtensions getExtensions() {
108 return getPluginBase();
109 }
110 public IExtensions getExtensions(boolean createIfMissing) {
111 return getPluginBase(createIfMissing);
112 }
113 public boolean isEnabled() {
114 return enabled;
115 }
116 public boolean isFragmentModel() {
117 return false;
118 }
119
120 public void reload(InputStream stream, boolean outOfSync)
121 throws CoreException {
122 load(stream, outOfSync);
123 fireModelChanged(
124 new ModelChangedEvent(this,
125 IModelChangedEvent.WORLD_CHANGED,
126 new Object [] { fPluginBase },
127 null));
128 }
129 public void setEnabled(boolean newEnabled) {
130 enabled = newEnabled;
131 }
132 public String toString() {
133 IPluginBase pluginBase = getPluginBase();
134 if (pluginBase != null)
135 return pluginBase.getId();
136 return super.toString();
137 }
138
139 protected abstract void updateTimeStamp();
140
141 public IPluginAttribute createAttribute(IPluginElement element) {
142 PluginAttribute attribute = new PluginAttribute();
143 attribute.setModel(this);
144 attribute.setParent(element);
145 return attribute;
146 }
147 public IPluginElement createElement(IPluginObject parent) {
148 PluginElement element = new PluginElement();
149 element.setModel(this);
150 element.setParent(parent);
151 return element;
152 }
153 public IPluginExtension createExtension() {
154 PluginExtension extension = new PluginExtension();
155 extension.setParent(getPluginBase());
156 extension.setModel(this);
157 return extension;
158 }
159 public IPluginExtensionPoint createExtensionPoint() {
160 PluginExtensionPoint extensionPoint = new PluginExtensionPoint();
161 extensionPoint.setModel(this);
162 extensionPoint.setParent(getPluginBase());
163 return extensionPoint;
164 }
165 public IPluginImport createImport() {
166 PluginImport iimport = new PluginImport();
167 iimport.setModel(this);
168 iimport.setParent(getPluginBase());
169 return iimport;
170 }
171
172 public IPluginImport createImport(String pluginId) {
173 PluginImport iimport = new PluginImport(this, pluginId);
174 iimport.setParent(getPluginBase());
175 return iimport;
176 }
177
178 public IPluginLibrary createLibrary() {
179 PluginLibrary library = new PluginLibrary();
180 library.setModel(this);
181 library.setParent(getPluginBase());
182 return library;
183 }
184
185 public boolean isValid() {
186 if (!isLoaded()) return false;
187 if (fPluginBase==null) return false;
188 return fPluginBase.isValid();
189 }
190
191 public boolean isBundleModel() {
192 return false;
193 }
194
195
198 public void dispose() {
199 fBundleDescription = null;
200 super.dispose();
201 }
202
203
206 public BundleDescription getBundleDescription() {
207 return fBundleDescription;
208 }
209
210
213 public void setBundleDescription(BundleDescription description) {
214 fBundleDescription = description;
215 }
216
217 }
218 |
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