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
|
// Copyright 2018 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.container.plugin.bundle;
import com.yahoo.container.plugin.osgi.ExportPackageParser;
import com.yahoo.container.plugin.osgi.ExportPackages.Export;
import com.yahoo.container.plugin.util.JarFiles;
import java.io.File;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.Optional;
import java.util.Set;
import java.util.jar.Manifest;
import java.util.stream.Collectors;
/**
* "Public package" in this context means a package that is either exported or declared as "Global-Package"
* in a bundle's manifest.
*
* @author Tony Vaagenes
* @author ollivir
*/
public class AnalyzeBundle {
public static class PublicPackages {
public final List<Export> exports;
public final List<String> globals;
PublicPackages(List<Export> exports, List<String> globals) {
this.exports = exports;
this.globals = globals;
}
public Set<String> exportedPackageNames() {
return exports.stream()
.map(Export::getPackageNames)
.flatMap(Collection::stream)
.collect(Collectors.toSet());
}
}
public static PublicPackages publicPackagesAggregated(Collection<File> jarFiles) {
List<Export> exports = new ArrayList<>();
List<String> globals = new ArrayList<>();
for (File jarFile : jarFiles) {
PublicPackages pp = publicPackages(jarFile);
exports.addAll(pp.exports);
globals.addAll(pp.globals);
}
return new PublicPackages(exports, globals);
}
public static PublicPackages publicPackages(File jarFile) {
try {
Optional<Manifest> jarManifest = JarFiles.getManifest(jarFile);
if (jarManifest.isPresent()) {
Manifest manifest = jarManifest.get();
if (isOsgiManifest(manifest)) {
return new PublicPackages(parseExports(manifest), parseGlobals(manifest));
}
}
return new PublicPackages(Collections.emptyList(), Collections.emptyList());
} catch (Exception e) {
throw new RuntimeException(String.format("Invalid manifest in bundle '%s'", jarFile.getPath()), e);
}
}
public static Optional<String> bundleSymbolicName(File jarFile) {
return JarFiles.getManifest(jarFile).flatMap(AnalyzeBundle::getBundleSymbolicName);
}
private static List<Export> parseExportsFromAttribute(Manifest manifest, String attributeName) {
return getMainAttributeValue(manifest, attributeName).map(ExportPackageParser::parseExports).orElseGet(() -> new ArrayList<>());
}
private static List<Export> parseExports(Manifest jarManifest) {
return parseExportsFromAttribute(jarManifest, "Export-Package");
}
private static List<String> parseGlobals(Manifest manifest) {
List<Export> globals = parseExportsFromAttribute(manifest, "Global-Package");
for (Export export : globals) {
if (export.getParameters().isEmpty() == false) {
throw new RuntimeException("Parameters not valid for Global-Package.");
}
}
return globals.stream().flatMap(g -> g.getPackageNames().stream()).collect(Collectors.toList());
}
private static Optional<String> getMainAttributeValue(Manifest manifest, String attributeName) {
return Optional.ofNullable(manifest.getMainAttributes().getValue(attributeName));
}
private static boolean isOsgiManifest(Manifest mf) {
return getBundleSymbolicName(mf).isPresent();
}
private static Optional<String> getBundleSymbolicName(Manifest mf) {
return getMainAttributeValue(mf, "Bundle-SymbolicName");
}
}
|
