1 /* |
1 /* |
2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. |
2 * Copyright (c) 2014, 2017, Oracle and/or its affiliates. All rights reserved. |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * |
4 * |
5 * This code is free software; you can redistribute it and/or modify it |
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 |
6 * under the terms of the GNU General Public License version 2 only, as |
7 * published by the Free Software Foundation. Oracle designates this |
7 * published by the Free Software Foundation. Oracle designates this |
23 * questions. |
23 * questions. |
24 */ |
24 */ |
25 |
25 |
26 package com.sun.xml.internal.ws.developer; |
26 package com.sun.xml.internal.ws.developer; |
27 |
27 |
|
28 import com.sun.xml.internal.ws.resources.ContextClassloaderLocalMessages; |
|
29 |
28 import java.security.AccessController; |
30 import java.security.AccessController; |
29 import java.security.PrivilegedAction; |
31 import java.security.PrivilegedAction; |
30 import java.text.MessageFormat; |
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31 import java.util.ResourceBundle; |
|
32 import java.util.WeakHashMap; |
32 import java.util.WeakHashMap; |
33 |
33 |
34 /** |
34 /** |
35 * Simple utility ensuring that the value is cached only in case it is non-internal implementation |
35 * Simple utility ensuring that the value is cached only in case it is non-internal implementation |
36 */ |
36 */ |
37 abstract class ContextClassloaderLocal<V> { |
37 abstract class ContextClassloaderLocal<V> { |
38 |
38 |
39 private static final String FAILED_TO_CREATE_NEW_INSTANCE = "FAILED_TO_CREATE_NEW_INSTANCE"; |
39 private WeakHashMap<ClassLoader, V> CACHE = new WeakHashMap<>(); |
40 |
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41 private WeakHashMap<ClassLoader, V> CACHE = new WeakHashMap<ClassLoader, V>(); |
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42 |
40 |
43 public V get() throws Error { |
41 public V get() throws Error { |
44 ClassLoader tccl = getContextClassLoader(); |
42 ClassLoader tccl = getContextClassLoader(); |
45 V instance = CACHE.get(tccl); |
43 V instance = CACHE.get(tccl); |
46 if (instance == null) { |
44 if (instance == null) { |
58 |
56 |
59 private V createNewInstance() { |
57 private V createNewInstance() { |
60 try { |
58 try { |
61 return initialValue(); |
59 return initialValue(); |
62 } catch (Exception e) { |
60 } catch (Exception e) { |
63 throw new Error(format(FAILED_TO_CREATE_NEW_INSTANCE, getClass().getName()), e); |
61 throw new Error(ContextClassloaderLocalMessages.FAILED_TO_CREATE_NEW_INSTANCE(getClass().getName()), e); |
64 } |
62 } |
65 } |
63 } |
66 |
64 |
67 private static String format(String property, Object... args) { |
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68 String text = ResourceBundle.getBundle(ContextClassloaderLocal.class.getName()).getString(property); |
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69 return MessageFormat.format(text, args); |
|
70 } |
|
71 |
|
72 private static ClassLoader getContextClassLoader() { |
65 private static ClassLoader getContextClassLoader() { |
73 return (ClassLoader) |
66 return AccessController.doPrivileged(new PrivilegedAction<ClassLoader>() { |
74 AccessController.doPrivileged(new PrivilegedAction() { |
67 @Override |
75 public Object run() { |
68 public ClassLoader run() { |
76 ClassLoader cl = null; |
69 ClassLoader cl = null; |
77 try { |
70 try { |
78 cl = Thread.currentThread().getContextClassLoader(); |
71 cl = Thread.currentThread().getContextClassLoader(); |
79 } catch (SecurityException ex) { |
72 } catch (SecurityException ex) { |
80 } |
73 } |
81 return cl; |
74 return cl; |
82 } |
75 } |
83 }); |
76 }); |
84 } |
77 } |
85 } |
78 } |