Wed, 27 Apr 2016 01:27:09 +0800
Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/jaxws/
changeset: 657:d47a47f961ee
tag: jdk8u25-b17
1 /*
2 * Copyright (c) 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 */
26 package com.sun.xml.internal.ws.client.sei;
28 import java.lang.reflect.InvocationTargetException;
29 import java.lang.reflect.Method;
30 import java.util.logging.Level;
31 import java.util.logging.Logger;
33 /**
34 * Utility class to invoke sun.reflect.misc.MethodUtil.invoke() if available. If not (other then Oracle JDK) fallbacks
35 * to java.lang,reflect.Method.invoke()
36 * <p/>
37 * Be careful, copy of this class exists in several packages, iny modification must be done to other copies too!
38 */
39 class MethodUtil {
41 private static final Logger LOGGER = Logger.getLogger(MethodUtil.class.getName());
42 private static final Method INVOKE_METHOD;
44 static {
45 Method method;
46 try {
47 Class<?> clazz = Class.forName("sun.reflect.misc.MethodUtil");
48 method = clazz.getMethod("invoke", Method.class, Object.class, Object[].class);
49 if (LOGGER.isLoggable(Level.FINE)) {
50 LOGGER.log(Level.FINE, "Class sun.reflect.misc.MethodUtil found; it will be used to invoke methods.");
51 }
52 } catch (Throwable t) {
53 method = null;
54 if (LOGGER.isLoggable(Level.FINE)) {
55 LOGGER.log(Level.FINE, "Class sun.reflect.misc.MethodUtil not found, probably non-Oracle JVM");
56 }
57 }
58 INVOKE_METHOD = method;
59 }
61 static Object invoke(Object target, Method method, Object[] args) throws IllegalAccessException, InvocationTargetException {
62 if (INVOKE_METHOD != null) {
63 // sun.reflect.misc.MethodUtil.invoke(method, owner, args)
64 if (LOGGER.isLoggable(Level.FINE)) {
65 LOGGER.log(Level.FINE, "Invoking method using sun.reflect.misc.MethodUtil");
66 }
67 try {
68 return INVOKE_METHOD.invoke(null, method, target, args);
69 } catch (InvocationTargetException ite) {
70 // unwrap invocation exception added by reflection code ...
71 throw unwrapException(ite);
72 }
73 } else {
74 // other then Oracle JDK ...
75 if (LOGGER.isLoggable(Level.FINE)) {
76 LOGGER.log(Level.FINE, "Invoking method directly, probably non-Oracle JVM");
77 }
78 return method.invoke(target, args);
79 }
80 }
82 private static InvocationTargetException unwrapException(InvocationTargetException ite) {
83 Throwable targetException = ite.getTargetException();
84 if (targetException != null && targetException instanceof InvocationTargetException) {
85 if (LOGGER.isLoggable(Level.FINE)) {
86 LOGGER.log(Level.FINE, "Unwrapping invocation target exception");
87 }
88 return (InvocationTargetException) targetException;
89 } else {
90 return ite;
91 }
92 }
94 }