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
|
/*******************************************************************************
* Copyright (c) 2013, 2015 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.osgi.storage.bundlefile;
import java.io.File;
import java.io.IOException;
import java.net.URL;
import java.util.Enumeration;
import org.eclipse.osgi.container.Module;
import org.eclipse.osgi.internal.hookregistry.BundleFileWrapperFactoryHook;
import org.eclipse.osgi.storage.BundleInfo;
/**
* A {@link BundleFile bundle file} decorator.
* <p/>
* Clients wishing to modify or extend the behavior of a bundle file at runtime
* should extend this class instead. A hook is provided by the related {@link
* BundleFileWrapperFactoryHook abstract factory} class in response to a
* {@link BundleFileWrapperFactoryHook#wrapBundleFile(BundleFile,
* BundleInfo.Generation, boolean) call} from the framework.
*/
public class BundleFileWrapper extends BundleFile {
private final BundleFile bundleFile;
/**
* Creates a new <code>BundleFileWrapper</code> instance wrapping the
* given {@link BundleFile bundle file}.
*
* @param bundleFile - The bundle file to wrap.
* @throws NullPointerException - If the bundle file is <code>null</code>.
*/
public BundleFileWrapper(BundleFile bundleFile) {
super(bundleFile.getBaseFile());
this.bundleFile = bundleFile;
}
@Override
public File getFile(String path, boolean nativeCode) {
return bundleFile.getFile(path, nativeCode);
}
@Override
public BundleEntry getEntry(String path) {
return bundleFile.getEntry(path);
}
@Override
public Enumeration<String> getEntryPaths(String path) {
return bundleFile.getEntryPaths(path);
}
@Override
public Enumeration<String> getEntryPaths(String path, boolean recurse) {
return bundleFile.getEntryPaths(path, recurse);
}
/**
* Get the wrapped bundle file.
*
* @return The wrapped bundle file.
*/
public BundleFile getBundleFile() {
return bundleFile;
}
@Override
public void close() throws IOException {
bundleFile.close();
}
@Override
public void open() throws IOException {
bundleFile.open();
}
@Override
public boolean containsDir(String dir) {
return bundleFile.containsDir(dir);
}
@Override
protected URL createResourceURL(BundleEntry bundleEntry, Module hostModule, int index, String path) {
return bundleFile.createResourceURL(bundleEntry, hostModule, index, path);
}
}
|
