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: package org.apache.jetspeed.util;
18:
19: import java.io.ByteArrayInputStream;
20: import java.io.ByteArrayOutputStream;
21: import java.io.ObjectInputStream;
22: import java.io.ObjectOutputStream;
23:
24: /**
25: * Utility for object cloning
26: *
27: * @author <a href="mailto:weaver@apache.org">Scott T. Weaver</a>
28: */
29: public class CloneUtil {
30: /**
31: * Provides a deep clone serializing/de-serializng <code>objToClone</code>
32: *
33: * @param objToClone The object to be cloned
34: * @return The cloned object
35: */
36: public static final Object deepClone(Object objToClone) {
37: try {
38: ByteArrayOutputStream bytearrayoutputstream = new ByteArrayOutputStream(
39: 100);
40: ObjectOutputStream objectoutputstream = new ObjectOutputStream(
41: bytearrayoutputstream);
42: objectoutputstream.writeObject(objToClone);
43: byte abyte0[] = bytearrayoutputstream.toByteArray();
44: objectoutputstream.close();
45: ByteArrayInputStream bytearrayinputstream = new ByteArrayInputStream(
46: abyte0);
47: ObjectInputStream objectinputstream = new ObjectInputStream(
48: bytearrayinputstream);
49: Object clone = objectinputstream.readObject();
50: objectinputstream.close();
51: return clone;
52: } catch (Exception exception) {
53: // nothing
54: }
55: return null;
56: }
57:
58: }
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