|
1 /* |
|
2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. |
|
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 |
|
7 * published by the Free Software Foundation. Oracle designates this |
|
8 * particular file as subject to the "Classpath" exception as provided |
|
9 * by Oracle in the LICENSE file that accompanied this code. |
|
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 * |
|
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. |
|
24 */ |
|
25 |
|
26 package com.sun.xml.internal.ws.api.server; |
|
27 |
|
28 import com.sun.istack.internal.Nullable; |
|
29 import com.sun.istack.internal.localization.Localizable; |
|
30 import com.sun.xml.internal.ws.api.server.InstanceResolver; |
|
31 import com.sun.xml.internal.ws.api.server.ResourceInjector; |
|
32 import com.sun.xml.internal.ws.api.server.WSEndpoint; |
|
33 import com.sun.xml.internal.ws.resources.ServerMessages; |
|
34 import com.sun.xml.internal.ws.server.ServerRtException; |
|
35 |
|
36 import java.lang.annotation.Annotation; |
|
37 import java.lang.reflect.InvocationTargetException; |
|
38 import java.lang.reflect.Method; |
|
39 import java.security.AccessController; |
|
40 import java.security.PrivilegedAction; |
|
41 |
|
42 /** |
|
43 * Partial implementation of {@link InstanceResolver} with |
|
44 * convenience methods to do the resource injection. |
|
45 * |
|
46 * @author Kohsuke Kawaguchi |
|
47 * @since 2.2.6 |
|
48 */ |
|
49 public abstract class AbstractInstanceResolver<T> extends InstanceResolver<T> { |
|
50 |
|
51 protected static ResourceInjector getResourceInjector(WSEndpoint endpoint) { |
|
52 ResourceInjector ri = endpoint.getContainer().getSPI(ResourceInjector.class); |
|
53 if(ri==null) |
|
54 ri = ResourceInjector.STANDALONE; |
|
55 return ri; |
|
56 } |
|
57 |
|
58 /** |
|
59 * Helper for invoking a method with elevated privilege. |
|
60 */ |
|
61 protected static void invokeMethod(final @Nullable Method method, final Object instance, final Object... args) { |
|
62 if(method==null) return; |
|
63 AccessController.doPrivileged(new PrivilegedAction<Void>() { |
|
64 public Void run() { |
|
65 try { |
|
66 if (!method.isAccessible()) { |
|
67 method.setAccessible(true); |
|
68 } |
|
69 MethodUtil.invoke(instance,method, args); |
|
70 } catch (IllegalAccessException e) { |
|
71 throw new ServerRtException("server.rt.err",e); |
|
72 } catch (InvocationTargetException e) { |
|
73 throw new ServerRtException("server.rt.err",e); |
|
74 } |
|
75 return null; |
|
76 } |
|
77 }); |
|
78 } |
|
79 |
|
80 /** |
|
81 * Finds the method that has the given annotation, while making sure that |
|
82 * there's only at most one such method. |
|
83 */ |
|
84 protected final @Nullable Method findAnnotatedMethod(Class clazz, Class<? extends Annotation> annType) { |
|
85 boolean once = false; |
|
86 Method r = null; |
|
87 for(Method method : clazz.getDeclaredMethods()) { |
|
88 if (method.getAnnotation(annType) != null) { |
|
89 if (once) |
|
90 throw new ServerRtException(ServerMessages.ANNOTATION_ONLY_ONCE(annType)); |
|
91 if (method.getParameterTypes().length != 0) |
|
92 throw new ServerRtException(ServerMessages.NOT_ZERO_PARAMETERS(method)); |
|
93 r = method; |
|
94 once = true; |
|
95 } |
|
96 } |
|
97 return r; |
|
98 } |
|
99 } |