src/share/jaxws_classes/com/sun/xml/internal/ws/spi/db/FieldGetter.java

changeset 286
f50545b5e2f1
child 368
0989ad8c0860
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/share/jaxws_classes/com/sun/xml/internal/ws/spi/db/FieldGetter.java	Tue Mar 06 16:09:35 2012 -0800
     1.3 @@ -0,0 +1,96 @@
     1.4 +/*
     1.5 + * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.  Oracle designates this
    1.11 + * particular file as subject to the "Classpath" exception as provided
    1.12 + * by Oracle in the LICENSE file that accompanied this code.
    1.13 + *
    1.14 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.15 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.16 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.17 + * version 2 for more details (a copy is included in the LICENSE file that
    1.18 + * accompanied this code).
    1.19 + *
    1.20 + * You should have received a copy of the GNU General Public License version
    1.21 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.22 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.23 + *
    1.24 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    1.25 + * or visit www.oracle.com if you need additional information or have any
    1.26 + * questions.
    1.27 + */
    1.28 +
    1.29 +package com.sun.xml.internal.ws.spi.db;
    1.30 +
    1.31 +import java.lang.reflect.Field;
    1.32 +import java.security.AccessController;
    1.33 +import java.security.PrivilegedActionException;
    1.34 +import java.security.PrivilegedExceptionAction;
    1.35 +
    1.36 +
    1.37 +/**
    1.38 + * FieldGetter gets the value of a field from an instance.
    1.39 + *
    1.40 + * @author shih-chang.chen@oracle.com
    1.41 + * @exclude
    1.42 + */
    1.43 +public class FieldGetter extends PropertyGetterBase {
    1.44 +
    1.45 +    protected Field field;
    1.46 +
    1.47 +    public FieldGetter(Field f) {
    1.48 +        field = f;
    1.49 +        type = f.getType();
    1.50 +    }
    1.51 +
    1.52 +    public Field getField() {
    1.53 +        return field;
    1.54 +    }
    1.55 +
    1.56 +    static class PrivilegedGetter implements PrivilegedExceptionAction {
    1.57 +        private Object value;
    1.58 +        private Field  field;
    1.59 +        private Object instance;
    1.60 +        public PrivilegedGetter(Field field, Object instance) {
    1.61 +            super();
    1.62 +            this.field = field;
    1.63 +            this.instance = instance;
    1.64 +        }
    1.65 +        public Object run() throws IllegalAccessException {
    1.66 +            if (!field.isAccessible()) {
    1.67 +                field.setAccessible(true);
    1.68 +            }
    1.69 +            value = field.get(instance);
    1.70 +            return null;
    1.71 +        }
    1.72 +    }
    1.73 +
    1.74 +    public Object get(final Object instance) {
    1.75 +        if (field.isAccessible()) {
    1.76 +            try {
    1.77 +                return field.get(instance);
    1.78 +            } catch (Exception e) {
    1.79 +                // TODO Auto-generated catch block
    1.80 +                e.printStackTrace();
    1.81 +            }
    1.82 +        } else {
    1.83 +            PrivilegedGetter privilegedGetter = new PrivilegedGetter(field, instance);
    1.84 +            try {
    1.85 +                AccessController.doPrivileged(privilegedGetter);
    1.86 +            } catch (PrivilegedActionException e) {
    1.87 +                // TODO Auto-generated catch block
    1.88 +                e.printStackTrace();
    1.89 +            }
    1.90 +            return privilegedGetter.value;
    1.91 +        }
    1.92 +        return null;
    1.93 +    }
    1.94 +
    1.95 +    public <A> A getAnnotation(Class<A> annotationType) {
    1.96 +        Class c = annotationType;
    1.97 +        return (A) field.getAnnotation(c);
    1.98 +    }
    1.99 +}

mercurial