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1
11
12 package org.eclipse.osgi.framework.adaptor.core;
13
14 import java.io.*;
15 import java.io.File  ;
16 import java.io.IOException ;
17 import java.security.ProtectionDomain ;
18 import java.util.Enumeration ;
19 import org.eclipse.osgi.framework.adaptor.BundleClassLoader;
20 import org.eclipse.osgi.framework.adaptor.ClassLoaderDelegate;
21 import org.eclipse.osgi.framework.debug.Debug;
22 import org.eclipse.osgi.framework.internal.core.Constants;
23 import org.eclipse.osgi.framework.util.Headers;
24 import org.eclipse.osgi.service.resolver.Version;
25 import org.osgi.framework.BundleException;
26
27 public class SystemBundleData extends AbstractBundleData {
28 public static final String OSGI_FRAMEWORK = "osgi.framework"; private BundleFile baseBundleFile;
30
31 public SystemBundleData(AbstractFrameworkAdaptor adaptor) throws BundleException {
32 super(adaptor, 0);
33 File osgiBase = getOsgiBase();
34 manifest = createManifest(osgiBase);
35 createBundleFile(osgiBase);
36 setMetaData();
37 }
38
39 private File getOsgiBase() {
40 String frameworkLocation = System.getProperty(OSGI_FRAMEWORK);
41 if (frameworkLocation != null)
42 return new File (frameworkLocation.substring(5));
44 frameworkLocation = System.getProperty("user.dir"); if (frameworkLocation != null)
46 return new File (frameworkLocation);
47 return null;
48 }
49
50 private Headers createManifest(File osgiBase) throws BundleException {
51 InputStream in = null;
52
53 if (osgiBase != null && osgiBase.exists()) {
54 try {
55 in = new FileInputStream(new File (osgiBase, Constants.OSGI_BUNDLE_MANIFEST));
56 } catch (FileNotFoundException e) {
57 }
59 }
60
61 if (in == null) {
64 in = getClass().getResourceAsStream(Constants.OSGI_SYSTEMBUNDLE_MANIFEST);
65 }
66 if (Debug.DEBUG && Debug.DEBUG_GENERAL) {
67 if (in == null) {
68 Debug.println("Unable to find system bundle manifest " + Constants.OSGI_SYSTEMBUNDLE_MANIFEST); }
70 }
71
72 if (in == null)
73 throw new BundleException(AdaptorMsg.formatter.getString("SYSTEMBUNDLE_MISSING_MANIFEST"));
75 Headers systemManifest = Headers.parseManifest(in);
76 String systemExportProp = System.getProperty(Constants.OSGI_SYSTEMPACKAGES);
78 if (systemExportProp != null)
79 appendManifestValue(systemManifest, Constants.EXPORT_PACKAGE, systemExportProp);
80 String exportPackages = adaptor.getExportPackages();
83 String exportServices = adaptor.getExportServices();
84 String providePackages = adaptor.getProvidePackages();
85 if (exportPackages != null)
86 appendManifestValue(systemManifest, Constants.EXPORT_PACKAGE, exportPackages);
87 if (exportServices != null)
88 appendManifestValue(systemManifest, Constants.EXPORT_SERVICE, exportServices);
89 if (providePackages != null)
90 appendManifestValue(systemManifest, Constants.PROVIDE_PACKAGE, providePackages);
91 return systemManifest;
92 }
93
94 private void appendManifestValue(Headers systemManifest, String header, String append) {
95 String newValue = (String ) systemManifest.get(header);
96 if (newValue == null) {
97 newValue = append;
98 } else {
99 newValue += "," + append; }
101 systemManifest.set(header, null);
102 systemManifest.set(header, newValue);
103 }
104
105 private void createBundleFile(File osgiBase) {
106 if (osgiBase != null)
107 try {
108 baseBundleFile = adaptor.createBundleFile(osgiBase, this);
109 } catch (IOException e) {
110 }
112 else
113 baseBundleFile = new BundleFile(osgiBase) {
114 public File getFile(String path) {
115 return null;
116 }
117
118 public BundleEntry getEntry(String path) {
119 return null;
120 }
121
122 public Enumeration getEntryPaths(String path) {
123 return null;
124 }
125
126 public void close() throws IOException {
127 }
128
129 public void open() throws IOException {
130 }
131
132 public boolean containsDir(String dir) {
133 return false;
134 }
135 };
136 }
137
138 private void setMetaData() {
139 setActivator((String ) manifest.get(Constants.BUNDLE_ACTIVATOR));
140 setClassPath((String ) manifest.get(Constants.BUNDLE_CLASSPATH));
141 setDynamicImports((String ) manifest.get(Constants.DYNAMICIMPORT_PACKAGE));
142 setExecutionEnvironment((String ) manifest.get(Constants.BUNDLE_REQUIREDEXECUTIONENVIRONMENT));
143 setLocation(Constants.SYSTEM_BUNDLE_LOCATION);
144 setSymbolicName(AbstractBundleData.parseSymbolicName(manifest));
145 String sVersion = (String ) manifest.get(Constants.BUNDLE_VERSION);
146 if (sVersion != null)
147 setVersion(new Version(sVersion));
148 }
149
150 public BundleClassLoader createClassLoader(ClassLoaderDelegate delegate, ProtectionDomain domain, String [] bundleclasspath) {
151 return null;
152 }
153
154 public File createGenerationDir() {
155 return null;
156 }
157
158 public BundleFile getBaseBundleFile() {
159 return baseBundleFile;
160 }
161
162 public String findLibrary(String libname) {
163 return null;
164 }
165
166 public void installNativeCode(String [] nativepaths) throws BundleException {
167 }
168
169 public File getDataFile(String path) {
170 return null;
171 }
172
173 public int getStartLevel() {
174 return 0;
175 }
176
177 public int getStatus() {
178 return 0;
179 }
180
181 public void close() throws IOException {
182 }
183
184 public void open() throws IOException {
185 }
186
187 public void save() throws IOException {
188 }
189 } |
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