1 files changed, 92 insertions, 0 deletions
diff --git a/src/share/jaxws_classes/com/sun/xml/internal/ws/policy/privateutil/MethodUtil.java b/src/share/jaxws_classes/com/sun/xml/internal/ws/policy/privateutil/MethodUtil.java
new file mode 100644
index 00000000..ad2ad4a6
--- /dev/null
+++ b/src/share/jaxws_classes/com/sun/xml/internal/ws/policy/privateutil/MethodUtil.java
@@ -0,0 +1,92 @@
+/*
+ * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code 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 General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package com.sun.xml.internal.ws.policy.privateutil;
+
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+/**
+ * Utility class to invoke sun.reflect.misc.MethodUtil.invoke() if available. If not (other then Oracle JDK) fallbacks
+ * to java.lang,reflect.Method.invoke()
+ */
+class MethodUtil {
+
+    private static final Logger LOGGER = Logger.getLogger(MethodUtil.class.getName());
+    private static final Method INVOKE_METHOD;
+
+    static {
+        Method method;
+        try {
+            Class<?> clazz = Class.forName("sun.reflect.misc.MethodUtil");
+            method = clazz.getMethod("invoke", Method.class, Object.class, Object[].class);
+            if (LOGGER.isLoggable(Level.FINE)) {
+                LOGGER.log(Level.FINE, "Class sun.reflect.misc.MethodUtil found; it will be used to invoke methods.");
+            }
+        } catch (Throwable t) {
+            method = null;
+            if (LOGGER.isLoggable(Level.FINE)) {
+                LOGGER.log(Level.FINE, "Class sun.reflect.misc.MethodUtil not found, probably non-Oracle JVM");
+            }
+        }
+        INVOKE_METHOD = method;
+    }
+
+    static Object invoke(Object target, Method method, Object[] args) throws IllegalAccessException, InvocationTargetException {
+        if (INVOKE_METHOD != null) {
+            // sun.reflect.misc.MethodUtil.invoke(method, owner, args)
+            if (LOGGER.isLoggable(Level.FINE)) {
+                LOGGER.log(Level.FINE, "Invoking method using sun.reflect.misc.MethodUtil");
+            }
+            try {
+                return INVOKE_METHOD.invoke(null, method, target, args);
+            } catch (InvocationTargetException ite) {
+                // unwrap invocation exception added by reflection code ...
+                throw unwrapException(ite);
+            }
+        } else {
+            // other then Oracle JDK ...
+            if (LOGGER.isLoggable(Level.FINE)) {
+                LOGGER.log(Level.FINE, "Invoking method directly, probably non-Oracle JVM");
+            }
+            return method.invoke(target, args);
+        }
+    }
+
+    private static InvocationTargetException unwrapException(InvocationTargetException ite) {
+        Throwable targetException = ite.getTargetException();
+        if (targetException != null && targetException instanceof InvocationTargetException) {
+            if (LOGGER.isLoggable(Level.FINE)) {
+                LOGGER.log(Level.FINE, "Unwrapping invocation target exception");
+            }
+            return (InvocationTargetException) targetException;
+        } else {
+            return ite;
+        }
+    }
+
+}