blob: af13d2ee98cd15a78c59e29f874c5670782e5a05 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
|
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.tuscany.sca.contribution.osgi.impl;
import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.jar.JarInputStream;
import java.util.jar.Manifest;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
import org.osgi.framework.BundleException;
import org.osgi.framework.Constants;
/**
* The Bundle Activator that receives the BundleContext
*/
public class OSGiBundleActivator implements BundleActivator {
private static BundleContext bundleContext;
public static BundleContext getBundleContext() {
return bundleContext;
}
public void start(BundleContext context) throws Exception {
bundleContext = context;
}
public void stop(BundleContext context) throws Exception {
bundleContext = null;
}
public static Bundle findBundle(URL bundleURL) {
if (bundleContext == null) {
return null;
}
Bundle[] installedBundles = bundleContext.getBundles();
for (Bundle bundle : installedBundles) {
URL root = bundle.getEntry("/");
if (root != null && root.getHost() != null && root.getHost().equals(bundleURL.getHost())) {
return bundle;
}
}
return null;
}
public static Bundle findBundle(String symbolicName, String version) {
if (bundleContext == null) {
return null;
}
Bundle[] bundles = bundleContext.getBundles();
if (version == null) {
version = "0.0.0";
}
for (Bundle b : bundles) {
String v = (String)b.getHeaders().get(Constants.BUNDLE_VERSION);
if (v == null) {
v = "0.0.0";
}
if (b.getSymbolicName().equals(symbolicName) && (version.equals("0.0.0") || v.equals(version))) {
return b;
}
}
return null;
}
public static Bundle installBundle(String location, InputStream is) throws BundleException {
getBundleContext();
return bundleContext.installBundle(location, is);
}
public static Bundle installBundle(String location) throws BundleException, IOException {
getBundleContext();
URL url = new URL(location);
Bundle bundle = null;
InputStream is = url.openStream();
JarInputStream jar = new JarInputStream(is);
Manifest manifest = jar.getManifest();
jar.close();
if (manifest != null) {
String symbolicName = manifest.getMainAttributes().getValue(Constants.BUNDLE_SYMBOLICNAME);
String version = manifest.getMainAttributes().getValue(Constants.BUNDLE_VERSION);
if (symbolicName != null) {
bundle = findBundle(symbolicName, version);
if (bundle != null) {
return bundle;
}
} else {
return null;
}
} else {
return null;
}
try {
is = url.openStream();
bundle = bundleContext.installBundle(location, is);
} finally {
is.close();
}
return bundle;
}
public static Bundle findBundleByLocation(String bundleLocation) {
if (bundleContext != null) {
Bundle[] installedBundles = bundleContext.getBundles();
for (Bundle bundle : installedBundles) {
if (bundle.getLocation().equals(bundleLocation))
return bundle;
}
}
return null;
}
public static Bundle findBundle(String bundleLocation) {
if (bundleContext != null) {
if (bundleLocation.startsWith("bundle:") || bundleLocation.startsWith("bundleresource:")
|| bundleLocation.startsWith("bundleentry:")) {
try {
return findBundle(new URL(bundleLocation));
} catch (MalformedURLException e) {
// ignore
}
} else {
return findBundleByLocation(bundleLocation);
}
}
return null;
}
}
|
