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
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
|
/*
* JBoss, Home of Professional Open Source
* Copyright 2005, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package javax.xml.soap;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.util.Properties;
// $Id: SAAJFactoryLoader.java 4583 2007-09-18 13:15:44Z thomas.diesler@jboss.com $
/**
* Load a factory using this ordered lookup procedure
*
* <ol>
* <li>Use the system property
* <li>Use the properties file "lib/jaxm.properties" in the JRE directory
* <li>Use the Services API (as detailed in the JAR specification), if available, to determine the classname
* <li>Use the default factory implementation class
* </ol>
*
* @author Thomas.Diesler@jboss.com
* @since 14-Dec-2006
*/
class SAAJFactoryLoader
{
private SAAJFactoryLoader()
{
}
/**
*
* @return the factory impl, or null
*/
public static Object loadFactory(String propertyName, String defaultFactory)
{
Object factory = null;
ClassLoader loader = Thread.currentThread().getContextClassLoader();
// Use the system property
PrivilegedAction action = new PropertyAccessAction(propertyName);
String factoryName = (String)AccessController.doPrivileged(action);
if (factoryName != null)
{
try
{
//if(log.isDebugEnabled()) log.debug("Load from system property: " + factoryName);
Class factoryClass = loader.loadClass(factoryName);
factory = factoryClass.newInstance();
}
catch (Throwable t)
{
throw new IllegalStateException("Failed to load " + propertyName + ": " + factoryName, t);
}
}
// Use the properties file "lib/jaxm.properties" in the JRE directory.
// This configuration file is in standard java.util.Properties format and contains the fully qualified name of the implementation class with the key being the system property defined above.
if (factory == null)
{
action = new PropertyAccessAction("java.home");
String javaHome = (String)AccessController.doPrivileged(action);
File jaxmFile = new File(javaHome + "/lib/jaxm.properties");
if (jaxmFile.exists())
{
try
{
action = new PropertyFileAccessAction(jaxmFile.getCanonicalPath());
Properties jaxmProperties = (Properties)AccessController.doPrivileged(action);
factoryName = jaxmProperties.getProperty(propertyName);
if (factoryName != null)
{
//if(log.isDebugEnabled()) log.debug("Load from " + jaxmFile + ": " + factoryName);
Class factoryClass = loader.loadClass(factoryName);
factory = factoryClass.newInstance();
}
}
catch (Throwable t)
{
throw new IllegalStateException("Failed to load " + propertyName + ": " + factoryName, t);
}
}
}
// Use the Services API (as detailed in the JAR specification), if available, to determine the classname.
if (factory == null)
{
String filename = "META-INF/services/" + propertyName;
InputStream inStream = loader.getResourceAsStream(filename);
if (inStream != null)
{
try
{
BufferedReader br = new BufferedReader(new InputStreamReader(inStream, "UTF-8"));
factoryName = br.readLine();
br.close();
if (factoryName != null)
{
//if(log.isTraceEnabled()) log.trace("Load from Service API " + filename + ": " + factoryName);
Class factoryClass = loader.loadClass(factoryName);
factory = factoryClass.newInstance();
}
}
catch (Throwable t)
{
throw new IllegalStateException("Failed to load " + propertyName + ": " + factoryName, t);
}
}
}
// Use the default factory implementation class.
if (factory == null && defaultFactory != null)
{
try
{
factoryName = defaultFactory;
//if(log.isDebugEnabled()) log.debug("Load from default: " + factoryName);
Class factoryClass = loader.loadClass(factoryName);
factory = factoryClass.newInstance();
}
catch (Throwable t)
{
throw new IllegalStateException("Failed to load " + propertyName + ": " + factoryName, t);
}
}
return factory;
}
private static class PropertyAccessAction implements PrivilegedAction
{
private String name;
PropertyAccessAction(String name)
{
this.name = name;
}
public Object run()
{
return System.getProperty(name);
}
}
private static class PropertyFileAccessAction implements PrivilegedAction
{
private String filename;
PropertyFileAccessAction(String filename)
{
this.filename = filename;
}
public Object run()
{
try
{
InputStream inStream = new FileInputStream(filename);
Properties props = new Properties();
props.load(inStream);
return props;
}
catch (IOException ex)
{
throw new SecurityException("Cannot load properties: " + filename, ex);
}
}
}
}
|
