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.spi.db; 27 28 import java.lang.reflect.Method; 29 import java.security.AccessController; 30 import java.security.PrivilegedActionException; 31 import java.security.PrivilegedExceptionAction; 32 33 34 /** 35 * MethodGetter 36 * @author shih-chang.chen@oracle.com 37 * @exclude 38 */ 39 public class MethodGetter extends PropertyGetterBase { 40 41 private Method method; 42 43 public MethodGetter(Method m) { 44 method = m; 45 type = m.getReturnType(); 46 } 47 48 public Method getMethod() { 49 return method; 50 } 51 52 public <A> A getAnnotation(Class<A> annotationType) { 53 Class c = annotationType; 54 return (A) method.getAnnotation(c); 55 } 56 57 58 static class PrivilegedGetter implements PrivilegedExceptionAction { 59 private Object value; 60 private Method method; 61 private Object instance; 62 public PrivilegedGetter(Method m, Object instance) { 63 super(); 64 this.method = m; 65 this.instance = instance; 66 } 67 public Object run() throws IllegalAccessException { 68 if (!method.isAccessible()) { 69 method.setAccessible(true); 70 } 71 try { 72 value = method.invoke(instance, new Object[0]); 73 } catch (Exception e) { 74 // TODO Auto-generated catch block 75 e.printStackTrace(); 76 } 77 return null; 78 } 79 } 80 81 public Object get(final Object instance) { 82 final Object[] args = new Object[0]; 83 try { 84 if (method.isAccessible()) { 85 return method.invoke(instance, args); 86 } else { 87 PrivilegedGetter privilegedGetter = new PrivilegedGetter(method, instance); 88 try { 89 AccessController.doPrivileged(privilegedGetter); 90 } catch (PrivilegedActionException e) { 91 // TODO Auto-generated catch block 92 e.printStackTrace(); 93 } 94 return privilegedGetter.value; 95 } 96 } catch (Exception e) { 97 // TODO Auto-generated catch block 98 e.printStackTrace(); 99 } 100 return null; 101 } 102 }