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
|
/*
* 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.qpid.server.plugins;
import java.util.Iterator;
import java.util.Map;
import org.osgi.framework.Version;
/**
* Utility class to convert a map of package name to version numbers into the string
* with the format expected of a OSGi system package declaration:
*
* <code>
* org.xyz; version=1.0.0, org.xyz.xyz; version=1.0.0,...
* </code>
*
* Additionally, if the caller has provided a qpidPackageReleaseNumber and the package
* begins org.apache.qpid, this release number will be used, in preference to the one
* found in the Map.
*
* @see org.osgi.framework.Constants#FRAMEWORK_SYSTEMPACKAGES
*
*/
public class OsgiSystemPackageUtil
{
private static final String APACHE_QPID_PKG_PREFIX = "org.apache.qpid";
private final Map<String, String> _packageNameVersionMap;
private final Version _qpidPackageReleaseNumber;
public OsgiSystemPackageUtil(final Version qpidPackageReleaseNumber, final Map<String, String> packageNameVersionMap)
{
_qpidPackageReleaseNumber = qpidPackageReleaseNumber;
_packageNameVersionMap = packageNameVersionMap;
}
public String getFormattedSystemPackageString()
{
if (_packageNameVersionMap == null || _packageNameVersionMap.size() == 0)
{
return null;
}
final StringBuilder packages = new StringBuilder();
for(Iterator<String> itr = _packageNameVersionMap.keySet().iterator(); itr.hasNext();)
{
final String packageName = itr.next();
final String packageVersion;
if (_qpidPackageReleaseNumber != null && packageName.startsWith(APACHE_QPID_PKG_PREFIX))
{
packageVersion = _qpidPackageReleaseNumber.toString();
}
else
{
packageVersion = _packageNameVersionMap.get(packageName);
}
packages.append(packageName);
packages.append("; ");
packages.append("version=");
packages.append(packageVersion);
if (itr.hasNext())
{
packages.append(", ");
}
}
return packages.toString();
}
}
|
