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
153
154
155
156
157
158
159
|
/*******************************************************************************
* Copyright (c) 2003, 2011 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
* Rob Harrop - SpringSource Inc. (bug 247522)
*******************************************************************************/
package org.eclipse.osgi.internal.resolver;
import java.util.*;
import org.eclipse.osgi.service.resolver.*;
import org.osgi.framework.Constants;
import org.osgi.framework.wiring.BundleRevision;
public class BundleSpecificationImpl extends VersionConstraintImpl implements BundleSpecification {
private boolean exported;
private boolean optional;
private Map<String, Object> attributes;
private Map<String, String> arbitraryDirectives;
protected void setExported(boolean exported) {
synchronized (this.monitor) {
this.exported = exported;
}
}
protected void setOptional(boolean optional) {
synchronized (this.monitor) {
this.optional = optional;
}
}
public boolean isExported() {
synchronized (this.monitor) {
return exported;
}
}
public boolean isOptional() {
synchronized (this.monitor) {
return optional;
}
}
Map<String, Object> getAttributes() {
synchronized (this.monitor) {
return attributes;
}
}
@SuppressWarnings("unchecked")
void setAttributes(Map<String, ?> attributes) {
synchronized (this.monitor) {
this.attributes = (Map<String, Object>) attributes;
}
}
Map<String, String> getArbitraryDirectives() {
synchronized (this.monitor) {
return arbitraryDirectives;
}
}
@SuppressWarnings("unchecked")
void setArbitraryDirectives(Map<String, ?> directives) {
synchronized (this.monitor) {
this.arbitraryDirectives = (Map<String, String>) directives;
}
}
public boolean isSatisfiedBy(BaseDescription supplier) {
if (!(supplier instanceof BundleDescriptionImpl))
return false;
BundleDescriptionImpl candidate = (BundleDescriptionImpl) supplier;
if (candidate.getHost() != null)
return false;
Map<String, ?> requiredAttrs = getAttributes();
if (requiredAttrs != null) {
Map<String, ?> prividerAttrs = candidate.getAttributes();
if (prividerAttrs == null)
return false;
for (String key : requiredAttrs.keySet()) {
Object requiredValue = requiredAttrs.get(key);
Object prividedValue = prividerAttrs.get(key);
if (prividedValue == null || !requiredValue.equals(prividedValue))
return false;
}
}
String[] mandatory = (String[]) candidate.getDirective(Constants.MANDATORY_DIRECTIVE);
if (!hasMandatoryAttributes(mandatory))
return false;
if (getName() != null && getName().equals(candidate.getSymbolicName()) && (getVersionRange() == null || getVersionRange().isIncluded(candidate.getVersion())))
return true;
return false;
}
@Override
protected boolean hasMandatoryAttributes(String[] mandatory) {
if (mandatory != null) {
Map<String, ?> requiredAttrs = getAttributes();
for (String key : mandatory) {
if (Constants.BUNDLE_VERSION_ATTRIBUTE.equals(key))
continue; // has a default value of 0.0.0
if (requiredAttrs == null || requiredAttrs.get(key) == null)
return false;
}
}
return true;
}
public String toString() {
return "Require-Bundle: " + getName() + "; bundle-version=\"" + getVersionRange() + "\""; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
}
@Override
protected Map<String, String> getInternalDirectives() {
Map<String, String> result = new HashMap<String, String>(2);
synchronized (this.monitor) {
if (arbitraryDirectives != null)
result.putAll(arbitraryDirectives);
if (exported)
result.put(Constants.VISIBILITY_DIRECTIVE, Constants.VISIBILITY_REEXPORT);
if (optional)
result.put(Constants.RESOLUTION_DIRECTIVE, Constants.RESOLUTION_OPTIONAL);
result.put(Constants.FILTER_DIRECTIVE, createFilterDirective());
return result;
}
}
private String createFilterDirective() {
StringBuffer filter = new StringBuffer();
filter.append("(&"); //$NON-NLS-1$
synchronized (this.monitor) {
addFilterAttribute(filter, BundleRevision.BUNDLE_NAMESPACE, getName());
VersionRange range = getVersionRange();
if (range != null && range != VersionRange.emptyRange)
addFilterAttribute(filter, Constants.BUNDLE_VERSION_ATTRIBUTE, range);
if (attributes != null)
addFilterAttributes(filter, attributes);
}
filter.append(')');
return filter.toString();
}
@SuppressWarnings("unchecked")
@Override
protected Map<String, Object> getInteralAttributes() {
return Collections.EMPTY_MAP;
}
@Override
protected String getInternalNameSpace() {
return BundleRevision.BUNDLE_NAMESPACE;
}
}
|
