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1
11 package org.eclipse.pde.internal.build;
12
13 import java.io.IOException  ;
14 import java.io.InputStream ;
15 import java.net.URL ;
16 import java.util.Map ;
17 import org.eclipse.core.runtime.*;
18 import org.osgi.framework.*;
19
20 public class BundleHelper {
21 private Bundle bundle;
22 private BundleContext context;
23 private static BundleHelper defaultInstance;
24 private boolean debug = false;
25 private ILog log = null;
26
27 public static BundleHelper getDefault() {
28 return defaultInstance;
29 }
30
31 static void close() {
32 if (defaultInstance != null) {
33 defaultInstance.context = null;
34 defaultInstance.bundle = null;
35 defaultInstance = null;
36 }
37 }
38
39 BundleHelper(BundleContext context) throws RuntimeException {
40 if (defaultInstance != null)
41 throw new RuntimeException ("Can not instantiate bundle helper"); this.context = context;
43 defaultInstance = this;
44 bundle = context.getBundle();
45 debug = "true".equalsIgnoreCase(Platform.getDebugOption(IPDEBuildConstants.PI_PDEBUILD + "/debug")); }
47
48 public final URL find(IPath path) {
49 return FileLocator.find(bundle, path, null);
50 }
51
52 public final URL find(IPath path, Map override) {
53 return FileLocator.find(bundle, path, override);
54 }
55
56 public final ILog getLog() {
57 if (log == null)
58 return Platform.getLog(bundle);
59 return log;
60 }
61
62 public final IPath getStateLocation() throws IllegalStateException {
63 return Platform.getStateLocation(getDefault().bundle);
64 }
65
66 public final InputStream openStream(IPath file) throws IOException {
67 return FileLocator.openStream(bundle, file, false);
68 }
69
70 public final InputStream openStream(IPath file, boolean localized) throws IOException {
71 return FileLocator.openStream(bundle, file, localized);
72 }
73
74 public String toString() {
75 return bundle.getSymbolicName();
76 }
77
78 public Bundle getBundle() {
79 return bundle;
80 }
81
82 public Object acquireService(String serviceName) {
83 ServiceReference reference = context.getServiceReference(serviceName);
84 if (reference == null)
85 return null;
86 return context.getService(reference);
87 }
88
89 public boolean isDebugging() {
90 return debug;
91 }
92
93 public Filter createFilter(String filter) {
94 try {
95 return context.createFilter(filter);
96 } catch (InvalidSyntaxException e) {
97 return null;
99 }
100 }
101
102 public void setLog(Object antLog) {
103 if (antLog == null) {
104 log = null;
105 return;
106 }
107
108 try {
109 log = new AntLogAdapter(antLog);
110 } catch (NoSuchMethodException e) {
111 log = null;
112 }
113 }
114 }
115 |
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