author | valeriep |
Fri, 26 Jun 2015 21:34:34 +0000 | |
changeset 31270 | e6470b24700d |
parent 27565 | 729f9700483a |
child 32229 | 181a18587d61 |
permissions | -rw-r--r-- |
2 | 1 |
/* |
31270
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
2 |
* Copyright (c) 2003, 2015, Oracle and/or its affiliates. All rights reserved. |
2 | 3 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 |
* |
|
5 |
* This code is free software; you can redistribute it and/or modify it |
|
6 |
* under the terms of the GNU General Public License version 2 only, as |
|
5506 | 7 |
* published by the Free Software Foundation. Oracle designates this |
2 | 8 |
* particular file as subject to the "Classpath" exception as provided |
5506 | 9 |
* by Oracle in the LICENSE file that accompanied this code. |
2 | 10 |
* |
11 |
* This code is distributed in the hope that it will be useful, but WITHOUT |
|
12 |
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
|
13 |
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
|
14 |
* version 2 for more details (a copy is included in the LICENSE file that |
|
15 |
* accompanied this code). |
|
16 |
* |
|
17 |
* You should have received a copy of the GNU General Public License version |
|
18 |
* 2 along with this work; if not, write to the Free Software Foundation, |
|
19 |
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
|
20 |
* |
|
5506 | 21 |
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
22 |
* or visit www.oracle.com if you need additional information or have any |
|
23 |
* questions. |
|
2 | 24 |
*/ |
25 |
||
26 |
package sun.security.jca; |
|
27 |
||
28 |
import java.io.File; |
|
29 |
import java.lang.reflect.*; |
|
31270
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
30 |
import java.util.*; |
2 | 31 |
|
32 |
import java.security.*; |
|
33 |
||
34 |
import sun.security.util.PropertyExpander; |
|
35 |
||
36 |
/** |
|
31270
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
37 |
* Class representing a configured provider which encapsulates configuration |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
38 |
* (provider name + optional argument), the provider loading logic, and |
2 | 39 |
* the loaded Provider object itself. |
40 |
* |
|
41 |
* @author Andreas Sterbenz |
|
42 |
* @since 1.5 |
|
43 |
*/ |
|
44 |
final class ProviderConfig { |
|
45 |
||
46 |
private final static sun.security.util.Debug debug = |
|
47 |
sun.security.util.Debug.getInstance("jca", "ProviderConfig"); |
|
48 |
||
31270
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
49 |
// suffix for identifying the SunPKCS11-Solaris provider |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
50 |
private static final String P11_SOL_NAME = "SunPKCS11"; |
2 | 51 |
|
52 |
// config file argument of the SunPKCS11-Solaris provider |
|
53 |
private static final String P11_SOL_ARG = |
|
27565 | 54 |
"${java.home}/conf/security/sunpkcs11-solaris.cfg"; |
2 | 55 |
|
56 |
// maximum number of times to try loading a provider before giving up |
|
57 |
private final static int MAX_LOAD_TRIES = 30; |
|
58 |
||
31270
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
59 |
// could be provider name (module) or provider class name (legacy) |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
60 |
private final String provName; |
2 | 61 |
|
31270
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
62 |
// argument to the Provider.configure() call, never null |
2 | 63 |
private final String argument; |
64 |
||
65 |
// number of times we have already tried to load this provider |
|
66 |
private int tries; |
|
67 |
||
68 |
// Provider object, if loaded |
|
69 |
private volatile Provider provider; |
|
70 |
||
71 |
// flag indicating if we are currently trying to load the provider |
|
72 |
// used to detect recursion |
|
73 |
private boolean isLoading; |
|
74 |
||
31270
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
75 |
ProviderConfig(String provName, String argument) { |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
76 |
if (provName.endsWith(P11_SOL_NAME) && argument.equals(P11_SOL_ARG)) { |
2 | 77 |
checkSunPKCS11Solaris(); |
78 |
} |
|
31270
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
79 |
this.provName = provName; |
2 | 80 |
this.argument = expand(argument); |
81 |
} |
|
82 |
||
31270
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
83 |
ProviderConfig(String provName) { |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
84 |
this(provName, ""); |
2 | 85 |
} |
86 |
||
87 |
ProviderConfig(Provider provider) { |
|
31270
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
88 |
this.provName = provider.getName(); |
2 | 89 |
this.argument = ""; |
90 |
this.provider = provider; |
|
91 |
} |
|
92 |
||
93 |
// check if we should try to load the SunPKCS11-Solaris provider |
|
94 |
// avoid if not available (pre Solaris 10) to reduce startup time |
|
95 |
// or if disabled via system property |
|
96 |
private void checkSunPKCS11Solaris() { |
|
97 |
Boolean o = AccessController.doPrivileged( |
|
98 |
new PrivilegedAction<Boolean>() { |
|
99 |
public Boolean run() { |
|
100 |
File file = new File("/usr/lib/libpkcs11.so"); |
|
101 |
if (file.exists() == false) { |
|
102 |
return Boolean.FALSE; |
|
103 |
} |
|
104 |
if ("false".equalsIgnoreCase(System.getProperty |
|
105 |
("sun.security.pkcs11.enable-solaris"))) { |
|
106 |
return Boolean.FALSE; |
|
107 |
} |
|
108 |
return Boolean.TRUE; |
|
109 |
} |
|
110 |
}); |
|
111 |
if (o == Boolean.FALSE) { |
|
112 |
tries = MAX_LOAD_TRIES; |
|
113 |
} |
|
114 |
} |
|
115 |
||
116 |
private boolean hasArgument() { |
|
117 |
return argument.length() != 0; |
|
118 |
} |
|
119 |
||
120 |
// should we try to load this provider? |
|
121 |
private boolean shouldLoad() { |
|
122 |
return (tries < MAX_LOAD_TRIES); |
|
123 |
} |
|
124 |
||
125 |
// do not try to load this provider again |
|
126 |
private void disableLoad() { |
|
127 |
tries = MAX_LOAD_TRIES; |
|
128 |
} |
|
129 |
||
130 |
boolean isLoaded() { |
|
131 |
return (provider != null); |
|
132 |
} |
|
133 |
||
134 |
public boolean equals(Object obj) { |
|
135 |
if (this == obj) { |
|
136 |
return true; |
|
137 |
} |
|
138 |
if (obj instanceof ProviderConfig == false) { |
|
139 |
return false; |
|
140 |
} |
|
141 |
ProviderConfig other = (ProviderConfig)obj; |
|
31270
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
142 |
return this.provName.equals(other.provName) |
2 | 143 |
&& this.argument.equals(other.argument); |
31270
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
144 |
|
2 | 145 |
} |
146 |
||
147 |
public int hashCode() { |
|
31270
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
148 |
return provName.hashCode() + argument.hashCode(); |
2 | 149 |
} |
150 |
||
151 |
public String toString() { |
|
152 |
if (hasArgument()) { |
|
31270
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
153 |
return provName + "('" + argument + "')"; |
2 | 154 |
} else { |
31270
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
155 |
return provName; |
2 | 156 |
} |
157 |
} |
|
158 |
||
159 |
/** |
|
160 |
* Get the provider object. Loads the provider if it is not already loaded. |
|
161 |
*/ |
|
2449
509945aa3d2a
6440846: (cl) Deadlock between AppClassLoader and ExtClassLoader
valeriep
parents:
2
diff
changeset
|
162 |
synchronized Provider getProvider() { |
2 | 163 |
// volatile variable load |
164 |
Provider p = provider; |
|
165 |
if (p != null) { |
|
166 |
return p; |
|
167 |
} |
|
168 |
if (shouldLoad() == false) { |
|
169 |
return null; |
|
170 |
} |
|
31270
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
171 |
|
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
172 |
// Create providers which are in java.base directly |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
173 |
if (provName.equals("SUN") || provName.equals("sun.security.provider.Sun")) { |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
174 |
p = new sun.security.provider.Sun(); |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
175 |
} else if (provName.equals("SunRsaSign") || provName.equals("sun.security.rsa.SunRsaSign")) { |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
176 |
p = new sun.security.rsa.SunRsaSign(); |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
177 |
} else if (provName.equals("SunJCE") || provName.equals("com.sun.crypto.provider.SunJCE")) { |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
178 |
p = new com.sun.crypto.provider.SunJCE(); |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
179 |
} else if (provName.equals("SunJSSE") || provName.equals("com.sun.net.ssl.internal.ssl.Provider")) { |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
180 |
p = new com.sun.net.ssl.internal.ssl.Provider(); |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
181 |
} else { |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
182 |
if (isLoading) { |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
183 |
// because this method is synchronized, this can only |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
184 |
// happen if there is recursion. |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
185 |
if (debug != null) { |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
186 |
debug.println("Recursion loading provider: " + this); |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
187 |
new Exception("Call trace").printStackTrace(); |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
188 |
} |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
189 |
return null; |
2 | 190 |
} |
31270
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
191 |
try { |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
192 |
isLoading = true; |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
193 |
tries++; |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
194 |
p = doLoadProvider(); |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
195 |
} finally { |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
196 |
isLoading = false; |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
197 |
} |
2449
509945aa3d2a
6440846: (cl) Deadlock between AppClassLoader and ExtClassLoader
valeriep
parents:
2
diff
changeset
|
198 |
} |
509945aa3d2a
6440846: (cl) Deadlock between AppClassLoader and ExtClassLoader
valeriep
parents:
2
diff
changeset
|
199 |
provider = p; |
2 | 200 |
return p; |
201 |
} |
|
202 |
||
203 |
/** |
|
204 |
* Load and instantiate the Provider described by this class. |
|
205 |
* |
|
206 |
* NOTE use of doPrivileged(). |
|
207 |
* |
|
208 |
* @return null if the Provider could not be loaded |
|
209 |
* |
|
210 |
* @throws ProviderException if executing the Provider's constructor |
|
211 |
* throws a ProviderException. All other Exceptions are ignored. |
|
212 |
*/ |
|
213 |
private Provider doLoadProvider() { |
|
214 |
return AccessController.doPrivileged(new PrivilegedAction<Provider>() { |
|
215 |
public Provider run() { |
|
216 |
if (debug != null) { |
|
31270
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
217 |
debug.println("Loading provider " + ProviderConfig.this); |
2 | 218 |
} |
31270
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
219 |
ProviderLoader pl = new ProviderLoader(); |
2 | 220 |
try { |
31270
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
221 |
Provider p = pl.load(provName); |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
222 |
if (p != null) { |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
223 |
if (hasArgument()) { |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
224 |
p = p.configure(argument); |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
225 |
} |
2 | 226 |
if (debug != null) { |
31270
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
227 |
debug.println("Loaded provider " + p.getName()); |
2 | 228 |
} |
229 |
} else { |
|
230 |
if (debug != null) { |
|
31270
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
231 |
debug.println("Error loading provider " + |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
232 |
ProviderConfig.this); |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
233 |
} |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
234 |
disableLoad(); |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
235 |
} |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
236 |
return p; |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
237 |
} catch (Exception e) { |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
238 |
if (e instanceof ProviderException) { |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
239 |
// pass up |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
240 |
throw e; |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
241 |
} else { |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
242 |
if (debug != null) { |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
243 |
debug.println("Error loading provider " + |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
244 |
ProviderConfig.this); |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
245 |
e.printStackTrace(); |
2 | 246 |
} |
247 |
disableLoad(); |
|
248 |
return null; |
|
249 |
} |
|
25408
27563093d2d2
8043406: Change default policy for JCE providers to run with as few privileges as possible
valeriep
parents:
22041
diff
changeset
|
250 |
} catch (ExceptionInInitializerError err) { |
27563093d2d2
8043406: Change default policy for JCE providers to run with as few privileges as possible
valeriep
parents:
22041
diff
changeset
|
251 |
// no sufficient permission to initialize provider class |
27563093d2d2
8043406: Change default policy for JCE providers to run with as few privileges as possible
valeriep
parents:
22041
diff
changeset
|
252 |
if (debug != null) { |
27563093d2d2
8043406: Change default policy for JCE providers to run with as few privileges as possible
valeriep
parents:
22041
diff
changeset
|
253 |
debug.println("Error loading provider " + ProviderConfig.this); |
27563093d2d2
8043406: Change default policy for JCE providers to run with as few privileges as possible
valeriep
parents:
22041
diff
changeset
|
254 |
err.printStackTrace(); |
27563093d2d2
8043406: Change default policy for JCE providers to run with as few privileges as possible
valeriep
parents:
22041
diff
changeset
|
255 |
} |
27563093d2d2
8043406: Change default policy for JCE providers to run with as few privileges as possible
valeriep
parents:
22041
diff
changeset
|
256 |
disableLoad(); |
27563093d2d2
8043406: Change default policy for JCE providers to run with as few privileges as possible
valeriep
parents:
22041
diff
changeset
|
257 |
return null; |
2 | 258 |
} |
259 |
} |
|
260 |
}); |
|
261 |
} |
|
262 |
||
263 |
/** |
|
264 |
* Perform property expansion of the provider value. |
|
265 |
* |
|
266 |
* NOTE use of doPrivileged(). |
|
267 |
*/ |
|
268 |
private static String expand(final String value) { |
|
269 |
// shortcut if value does not contain any properties |
|
270 |
if (value.contains("${") == false) { |
|
271 |
return value; |
|
272 |
} |
|
273 |
return AccessController.doPrivileged(new PrivilegedAction<String>() { |
|
274 |
public String run() { |
|
275 |
try { |
|
276 |
return PropertyExpander.expand(value); |
|
277 |
} catch (GeneralSecurityException e) { |
|
278 |
throw new ProviderException(e); |
|
279 |
} |
|
280 |
} |
|
281 |
}); |
|
282 |
} |
|
283 |
||
31270
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
284 |
// Inner class for loading security providers listed in java.security file |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
285 |
private static final class ProviderLoader { |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
286 |
private final ServiceLoader<Provider> services; |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
287 |
|
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
288 |
ProviderLoader() { |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
289 |
// VM should already been booted at this point, if not |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
290 |
// - Only providers in java.base should be loaded, don't use |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
291 |
// ServiceLoader |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
292 |
// - ClassLoader.getSystemClassLoader() will throw InternalError |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
293 |
services = ServiceLoader.load(java.security.Provider.class, |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
294 |
ClassLoader.getSystemClassLoader()); |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
295 |
} |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
296 |
|
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
297 |
/** |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
298 |
* Loads the provider with the specified class name. |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
299 |
* |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
300 |
* @param name the name of the provider |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
301 |
* @return the Provider, or null if it cannot be found or loaded |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
302 |
* @throws ProviderException all other exceptions are ignored |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
303 |
*/ |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
304 |
public Provider load(String pn) { |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
305 |
if (debug != null) { |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
306 |
debug.println("Attempt to load " + pn + " using SL"); |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
307 |
} |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
308 |
Iterator<Provider> iter = services.iterator(); |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
309 |
while (iter.hasNext()) { |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
310 |
try { |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
311 |
Provider p = iter.next(); |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
312 |
String pName = p.getName(); |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
313 |
if (debug != null) { |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
314 |
debug.println("Found SL Provider named " + pName); |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
315 |
} |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
316 |
if (pName.equals(pn)) { |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
317 |
return p; |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
318 |
} |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
319 |
} catch (SecurityException | ServiceConfigurationError | |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
320 |
InvalidParameterException ex) { |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
321 |
// if provider loading fail due to security permission, |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
322 |
// log it and move on to next provider |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
323 |
if (debug != null) { |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
324 |
debug.println("Encountered " + ex + |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
325 |
" while iterating through SL, ignore and move on"); |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
326 |
ex.printStackTrace(); |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
327 |
} |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
328 |
} |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
329 |
} |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
330 |
// No success with ServiceLoader. Try loading provider the legacy, |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
331 |
// i.e. pre-module, way via reflection |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
332 |
try { |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
333 |
return legacyLoad(pn); |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
334 |
} catch (ProviderException pe) { |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
335 |
// pass through |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
336 |
throw pe; |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
337 |
} catch (Exception ex) { |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
338 |
// logged and ignored |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
339 |
if (debug != null) { |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
340 |
debug.println("Encountered " + ex + |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
341 |
" during legacy load of " + pn); |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
342 |
ex.printStackTrace(); |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
343 |
} |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
344 |
return null; |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
345 |
} |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
346 |
} |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
347 |
|
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
348 |
private Provider legacyLoad(String classname) { |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
349 |
|
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
350 |
if (debug != null) { |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
351 |
debug.println("Loading legacy provider: " + classname); |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
352 |
} |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
353 |
|
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
354 |
try { |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
355 |
Class<?> provClass = |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
356 |
ClassLoader.getSystemClassLoader().loadClass(classname); |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
357 |
|
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
358 |
// only continue if the specified class extends Provider |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
359 |
if (!Provider.class.isAssignableFrom(provClass)) { |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
360 |
if (debug != null) { |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
361 |
debug.println(classname + " is not a provider"); |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
362 |
} |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
363 |
return null; |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
364 |
} |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
365 |
|
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
366 |
Provider p = AccessController.doPrivileged |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
367 |
(new PrivilegedExceptionAction<Provider>() { |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
368 |
public Provider run() throws Exception { |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
369 |
return (Provider) provClass.newInstance(); |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
370 |
} |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
371 |
}); |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
372 |
return p; |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
373 |
} catch (Exception e) { |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
374 |
Throwable t; |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
375 |
if (e instanceof InvocationTargetException) { |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
376 |
t = ((InvocationTargetException)e).getCause(); |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
377 |
} else { |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
378 |
t = e; |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
379 |
} |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
380 |
if (debug != null) { |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
381 |
debug.println("Error loading legacy provider " + classname); |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
382 |
t.printStackTrace(); |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
383 |
} |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
384 |
// provider indicates fatal error, pass through exception |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
385 |
if (t instanceof ProviderException) { |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
386 |
throw (ProviderException) t; |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
387 |
} |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
388 |
return null; |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
389 |
} catch (ExceptionInInitializerError | NoClassDefFoundError err) { |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
390 |
// no sufficient permission to access/initialize provider class |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
391 |
if (debug != null) { |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
392 |
debug.println("Error loading legacy provider " + classname); |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
393 |
err.printStackTrace(); |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
394 |
} |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
395 |
return null; |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
396 |
} |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
397 |
} |
e6470b24700d
7191662: JCE providers should be located via ServiceLoader
valeriep
parents:
27565
diff
changeset
|
398 |
} |
2 | 399 |
} |