1 /*
2 * Copyright (c) 2001-2017, Zoltan Farkas All Rights Reserved.
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17 *
18 * Additionally licensed with:
19 *
20 * Licensed under the Apache License, Version 2.0 (the "License");
21 * you may not use this file except in compliance with the License.
22 * You may obtain a copy of the License at
23 *
24 * http://www.apache.org/licenses/LICENSE-2.0
25 *
26 * Unless required by applicable law or agreed to in writing, software
27 * distributed under the License is distributed on an "AS IS" BASIS,
28 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
29 * See the License for the specific language governing permissions and
30 * limitations under the License.
31 */
32 package org.spf4j.base;
33
34 import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
35 import java.io.ByteArrayInputStream;
36 import java.io.IOException;
37 import java.io.ObjectInputStream;
38 import java.io.ObjectOutputStream;
39 import java.io.Serializable;
40 import org.spf4j.io.ByteArrayBuilder;
41
42 /**
43 * @author zoly
44 */
45 public final class Objects {
46
47 private Objects() {
48 }
49
50 @SuppressFBWarnings("OBJECT_DESERIALIZATION")
51 public static <T extends Serializable> T clone(final T t) {
52 try (ByteArrayBuilder bos = new ByteArrayBuilder(256);
53 ObjectOutputStream out = new ObjectOutputStream(bos)) {
54 out.writeObject(t);
55 out.flush();
56 try (ObjectInputStream in = new ObjectInputStream(
57 new ByteArrayInputStream(bos.getBuffer(), 0, bos.size()))) {
58 return (T) in.readObject();
59 }
60 } catch (IOException | ClassNotFoundException e) {
61 throw new CloneFailedException("Failed to clone " + t, e);
62 }
63 }
64
65 }