01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: */
17: /**
18: * @author Pavel Dolgov
19: * @version $Revision$
20: */package org.apache.harmony.awt;
21:
22: import org.apache.harmony.misc.accessors.AccessorFactory;
23: import org.apache.harmony.misc.accessors.ObjectAccessor;
24:
25: /**
26: * This class allows modifying class fields, including 'final' ones.
27: * It's designed for de-serialization purposes
28: */
29: public class FieldsAccessor {
30:
31: private final Class<?> clazz;
32: private final Object object;
33: private final ObjectAccessor accessor;
34:
35: /**
36: * Prepare FieldsAccessor to the work
37: * @param clazz - exact class being de-serialized.
38: * Good example: <code>Component.class</code>
39: * Bad example: <code>this.getClass()</code>
40: * @param object - object being modified
41: */
42: public FieldsAccessor(Class<?> clazz, Object object) {
43: accessor = AccessorFactory.getObjectAccessor();
44: this .clazz = clazz;
45: this .object = object;
46: }
47:
48: /**
49: * Set field value
50: * @param fieldName
51: * @param value
52: */
53: public void set(String fieldName, Object value) {
54: long id = accessor.getFieldID(clazz, fieldName);
55: accessor.setObject(object, id, value);
56: }
57:
58: }
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