aoqi@0: /*
aoqi@0:  * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.  Oracle designates this
aoqi@0:  * particular file as subject to the "Classpath" exception as provided
aoqi@0:  * by Oracle in the LICENSE file that accompanied this code.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  */
aoqi@0: 
aoqi@0: package com.sun.xml.internal.ws.spi.db;
aoqi@0: 
aoqi@0: import java.lang.reflect.Method;
aoqi@0: import java.security.AccessController;
aoqi@0: import java.security.PrivilegedActionException;
aoqi@0: import java.security.PrivilegedExceptionAction;
aoqi@0: 
aoqi@0: 
aoqi@0: /**
aoqi@0:  * MethodGetter
aoqi@0:  * @author shih-chang.chen@oracle.com
aoqi@0:  * @exclude
aoqi@0:  */
aoqi@0: public class MethodGetter extends PropertyGetterBase {
aoqi@0: 
aoqi@0:     private Method method;
aoqi@0: 
aoqi@0:     public MethodGetter(Method m) {
aoqi@0:         method = m;
aoqi@0:         type = m.getReturnType();
aoqi@0:     }
aoqi@0: 
aoqi@0:     public Method getMethod() {
aoqi@0:         return method;
aoqi@0:     }
aoqi@0: 
aoqi@0:     public <A> A getAnnotation(Class<A> annotationType) {
aoqi@0:         Class c = annotationType;
aoqi@0:         return (A) method.getAnnotation(c);
aoqi@0:     }
aoqi@0: 
aoqi@0: 
aoqi@0:     static class PrivilegedGetter implements PrivilegedExceptionAction {
aoqi@0:         private Object value;
aoqi@0:         private Method method;
aoqi@0:         private Object instance;
aoqi@0:         public PrivilegedGetter(Method m, Object instance) {
aoqi@0:             super();
aoqi@0:             this.method = m;
aoqi@0:             this.instance = instance;
aoqi@0:         }
aoqi@0:         public Object run() throws IllegalAccessException {
aoqi@0:             if (!method.isAccessible()) {
aoqi@0:                 method.setAccessible(true);
aoqi@0:             }
aoqi@0:             try {
aoqi@0:                 value = method.invoke(instance, new Object[0]);
aoqi@0:             } catch (Exception e) {
aoqi@0:                 // TODO Auto-generated catch block
aoqi@0:                 e.printStackTrace();
aoqi@0:             }
aoqi@0:             return null;
aoqi@0:         }
aoqi@0:     }
aoqi@0: 
aoqi@0:     public Object get(final Object instance) {
aoqi@0:         final Object[] args = new Object[0];
aoqi@0:         try {
aoqi@0:             if (method.isAccessible()) {
aoqi@0:                 return method.invoke(instance, args);
aoqi@0:             } else {
aoqi@0:                 PrivilegedGetter privilegedGetter = new PrivilegedGetter(method, instance);
aoqi@0:                 try {
aoqi@0:                     AccessController.doPrivileged(privilegedGetter);
aoqi@0:                 } catch (PrivilegedActionException e) {
aoqi@0:                     // TODO Auto-generated catch block
aoqi@0:                     e.printStackTrace();
aoqi@0:                 }
aoqi@0:                 return privilegedGetter.value;
aoqi@0:             }
aoqi@0:         } catch (Exception e) {
aoqi@0:             // TODO Auto-generated catch block
aoqi@0:             e.printStackTrace();
aoqi@0:         }
aoqi@0:         return null;
aoqi@0:     }
aoqi@0: }