对象序列化工具类

 1 import java.io.*;
 2 
 3 public class SerializationUtils {
 4 
 5     //把一个对象序列化
 6     public static byte[] serialize(Object state) {
 7         ObjectOutputStream oos = null;
 8         try {
 9             ByteArrayOutputStream bos = new ByteArrayOutputStream(512);
10             oos = new ObjectOutputStream(bos);
11             oos.writeObject(state);
12             oos.flush();
13             return bos.toByteArray();
14         }
15         catch (IOException e) {
16             throw new IllegalArgumentException(e);
17         }
18         finally {
19             if (oos != null) {
20                 try {
21                     oos.close();
22                 }
23                 catch (IOException e) {
24                     // eat it
25                 }
26             }
27         }
28     }
29 
30     //把一个对象反序列化
31     public static <T> T deserialize(byte[] byteArray) {
32         ObjectInputStream oip = null;
33         try {
34             oip = new ObjectInputStream(new ByteArrayInputStream(byteArray));
35             @SuppressWarnings("unchecked")
36             T result = (T) oip.readObject();
37             return result;
38         }
39         catch (IOException e) {
40             throw new IllegalArgumentException(e);
41         }
42         catch (ClassNotFoundException e) {
43             throw new IllegalArgumentException(e);
44         }
45         finally {
46             if (oip != null) {
47                 try {
48                     oip.close();
49                 }
50                 catch (IOException e) {
51                     // eat it
52                 }
53             }
54         }
55     }
56 
57 }