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.Field;
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: * FieldGetter gets the value of a field from an instance.
aoqi@0: *
aoqi@0: * @author shih-chang.chen@oracle.com
aoqi@0: * @exclude
aoqi@0: */
aoqi@0: public class FieldGetter extends PropertyGetterBase {
aoqi@0:
aoqi@0: protected Field field;
aoqi@0:
aoqi@0: public FieldGetter(Field f) {
aoqi@0: field = f;
aoqi@0: type = f.getType();
aoqi@0: }
aoqi@0:
aoqi@0: public Field getField() {
aoqi@0: return field;
aoqi@0: }
aoqi@0:
aoqi@0: static class PrivilegedGetter implements PrivilegedExceptionAction {
aoqi@0: private Object value;
aoqi@0: private Field field;
aoqi@0: private Object instance;
aoqi@0: public PrivilegedGetter(Field field, Object instance) {
aoqi@0: super();
aoqi@0: this.field = field;
aoqi@0: this.instance = instance;
aoqi@0: }
aoqi@0: public Object run() throws IllegalAccessException {
aoqi@0: if (!field.isAccessible()) {
aoqi@0: field.setAccessible(true);
aoqi@0: }
aoqi@0: value = field.get(instance);
aoqi@0: return null;
aoqi@0: }
aoqi@0: }
aoqi@0:
aoqi@0: public Object get(final Object instance) {
aoqi@0: if (field.isAccessible()) {
aoqi@0: try {
aoqi@0: return field.get(instance);
aoqi@0: } catch (Exception e) {
aoqi@0: // TODO Auto-generated catch block
aoqi@0: e.printStackTrace();
aoqi@0: }
aoqi@0: } else {
aoqi@0: PrivilegedGetter privilegedGetter = new PrivilegedGetter(field, 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: return null;
aoqi@0: }
aoqi@0:
aoqi@0: public A getAnnotation(Class annotationType) {
aoqi@0: Class c = annotationType;
aoqi@0: return (A) field.getAnnotation(c);
aoqi@0: }
aoqi@0: }