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1
11
12 package org.eclipse.osgi.framework.internal.defaultadaptor;
13
14 import java.io.File  ;
15 import java.io.IOException ;
16 import java.security.AccessController ;
17 import java.security.PrivilegedActionException ;
18 import java.security.PrivilegedExceptionAction ;
19 import java.util.ArrayList ;
20 import org.eclipse.osgi.framework.adaptor.BundleData;
21 import org.eclipse.osgi.framework.adaptor.core.*;
22 import org.eclipse.osgi.framework.debug.Debug;
23 import org.eclipse.osgi.framework.log.FrameworkLog;
24 import org.osgi.framework.BundleException;
25 import org.osgi.framework.FrameworkEvent;
26
27
49 public class DefaultAdaptor extends AbstractFrameworkAdaptor {
50 public static final String METADATA_ADAPTOR_NEXTID = "METADATA_ADAPTOR_NEXTID"; public static final String METADATA_ADAPTOR_IBSL = "METADATA_ADAPTOR_IBSL";
53 public static final String METADATA_BUNDLE_GEN = "METADATA_BUNDLE_GEN"; public static final String METADATA_BUNDLE_LOC = "METADATA_BUNDLE_LOC"; public static final String METADATA_BUNDLE_REF = "METADATA_BUNDLE_REF"; public static final String METADATA_BUNDLE_NAME = "METADATA_BUNDLE_NAME"; public static final String METADATA_BUNDLE_NCP = "METADATA_BUNDLE_NCP"; public static final String METADATA_BUNDLE_ABSL = "METADATA_BUNDLE_ABSL"; public static final String METADATA_BUNDLE_STATUS = "METADATA_BUNDLE_STATUS"; public static final String METADATA_BUNDLE_METADATA = "METADATA_BUNDLE_METADATA"; public static final String METADATA_LAST_MODIFIED = "METADATA_LAST_MODIFIED";
63
66 protected MetaData fwMetadata;
67
68 public DefaultAdaptor(String [] args) {
69 super(args);
70 }
71
72
75 public BundleData[] getInstalledBundles() {
76 String list[] = getBundleStoreRootDir().list();
77
78 if (list == null) {
79 return null;
80 }
81 ArrayList bundleDatas = new ArrayList (list.length);
82
83
84 for (int i = 0; i < list.length; i++) {
85 try {
86 DefaultBundleData data;
87
88 long id = -1;
89 try {
90 id = Long.parseLong(list[i]);
91 } catch (NumberFormatException nfe) {
92 continue;
93 }
94 data = (DefaultBundleData) getElementFactory().createBundleData(this, id);
95 loadMetaDataFor(data);
96 data.initializeExistingBundle();
97
98 if (Debug.DEBUG && Debug.DEBUG_GENERAL) {
99 Debug.println("BundleData created: " + data); }
101 processExtension(data, EXTENSION_INITIALIZE);
102 bundleDatas.add(data);
103 } catch (BundleException e) {
104 if (Debug.DEBUG && Debug.DEBUG_GENERAL) {
105 Debug.println("Unable to open Bundle[" + list[i] + "]: " + e.getMessage()); Debug.printStackTrace(e);
107 }
108 } catch (IOException e) {
109 if (Debug.DEBUG && Debug.DEBUG_GENERAL) {
110 Debug.println("Unable to open Bundle[" + list[i] + "]: " + e.getMessage()); Debug.printStackTrace(e);
112 }
113 }
114 }
115
116 return (BundleData[]) bundleDatas.toArray(new BundleData[bundleDatas.size()]);
117 }
118
119 public void setInitialBundleStartLevel(int value) {
120 super.setInitialBundleStartLevel(value);
121 try {
122 persistInitialBundleStartLevel(value);
123 } catch (IOException e) {
124 eventPublisher.publishFrameworkEvent(FrameworkEvent.ERROR, context.getBundle(), e);
125 }
126 }
127
128 protected void persistInitialBundleStartLevel(int value) throws IOException {
129 fwMetadata.setInt(METADATA_ADAPTOR_IBSL, value);
130 try {
131 AccessController.doPrivileged(new PrivilegedExceptionAction () {
132 public Object run() throws Exception {
133 fwMetadata.save();
134 return null;
135 }
136 });
137 } catch (PrivilegedActionException e) {
138 if (e.getException() instanceof IOException ) {
139 throw (IOException )e.getException();
140 }
141 throw (RuntimeException )e.getException();
142 }
143 }
144
145 public AdaptorElementFactory getElementFactory() {
146 if (elementFactory == null)
147 elementFactory = new DefaultElementFactory();
148 return elementFactory;
149 }
150
151 protected void loadMetaDataFor(DefaultBundleData data) throws IOException {
152 MetaData bundleMetaData = (new MetaData(new File (data.getBundleStoreDir(), ".bundle"), "Bundle metadata")); bundleMetaData.load();
154
155 data.setLocation(bundleMetaData.get(METADATA_BUNDLE_LOC, null));
156 data.setFileName(bundleMetaData.get(METADATA_BUNDLE_NAME, null));
157 data.setGeneration(bundleMetaData.getInt(METADATA_BUNDLE_GEN, -1));
158 data.setNativePaths(bundleMetaData.get(METADATA_BUNDLE_NCP, null));
159 data.setStartLevel(bundleMetaData.getInt(METADATA_BUNDLE_ABSL, 1));
160 data.setStatus(bundleMetaData.getInt(METADATA_BUNDLE_STATUS, 0));
161 data.setReference(bundleMetaData.getBoolean(METADATA_BUNDLE_REF, false));
162 data.setLastModified(bundleMetaData.getLong(METADATA_LAST_MODIFIED, 0));
163
164 if (data.getGeneration() == -1 || data.getFileName() == null || data.getLocation() == null) {
165 throw new IOException (AdaptorMsg.ADAPTOR_STORAGE_EXCEPTION); }
167 }
168
169 public void saveMetaDataFor(AbstractBundleData data) throws IOException {
170 MetaData bundleMetadata = (new MetaData(new File (((DefaultBundleData) data).createBundleStoreDir(), ".bundle"), "Bundle metadata")); bundleMetadata.load();
172
173 bundleMetadata.set(METADATA_BUNDLE_LOC, data.getLocation());
174 bundleMetadata.set(METADATA_BUNDLE_NAME, data.getFileName());
175 bundleMetadata.setInt(METADATA_BUNDLE_GEN, data.getGeneration());
176 String nativePaths = data.getNativePathsString();
177 if (nativePaths != null) {
178 bundleMetadata.set(METADATA_BUNDLE_NCP, nativePaths);
179 }
180 bundleMetadata.setInt(METADATA_BUNDLE_ABSL, data.getStartLevel());
181 bundleMetadata.setInt(METADATA_BUNDLE_STATUS, data.getStatus());
182 bundleMetadata.setBoolean(METADATA_BUNDLE_REF, data.isReference());
183 bundleMetadata.setLong(METADATA_LAST_MODIFIED, data.getLastModified());
184
185 bundleMetadata.save();
186 }
187
188 protected void persistNextBundleID(long id) throws IOException {
189 fwMetadata.setLong(METADATA_ADAPTOR_NEXTID, nextId);
190 fwMetadata.save();
191 }
192
193 protected void initializeMetadata() throws IOException {
194 fwMetadata = new MetaData(getMetaDataFile(), "Framework metadata"); fwMetadata.load();
196 nextId = fwMetadata.getLong(METADATA_ADAPTOR_NEXTID, 1);
197 initialBundleStartLevel = fwMetadata.getInt(METADATA_ADAPTOR_IBSL, 1);
198 }
199
200 protected FrameworkLog createFrameworkLog() {
201 return new DefaultLog();
202 }
203 }
204 |
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