Java原生序列化和反序列化代码实例

这篇文章主要介绍了Java原生反序列化" title="序列化和反序列化">序列化和反序列化代码实例,文中通过示例代码介绍的非常详细,对大家的学习或者工作具有一定的参考学习价值,需要的朋友可以参考下

写一个Java原生的序列化和反序列化的DEMO。

需序列化的类:

package com.nicchagil.nativeserialize;

import java.io.Serializable;

public class User implements Serializable {

private static final long serialVersionUID = 1L;

private Integer id;

private String userName;

public User(Integer id, String userName) {

super();

this.id = id;

this.userName = userName;

}

public Integer getId() {

return id;

}

public void setId(Integer id) {

this.id = id;

}

public String getUserName() {

return userName;

}

public void setUserName(String userName) {

this.userName = userName;

}

public static long getSerialversionuid() {

return serialVersionUID;

}

@Override

public int hashCode() {

final int prime = 31;

int result = 1;

result = prime * result + ((id == null) ? 0 : id.hashCode());

result = prime * result

+ ((userName == null) ? 0 : userName.hashCode());

return result;

}

@Override

public boolean equals(Object obj) {

if (this == obj)

return true;

if (obj == null)

return false;

if (getClass() != obj.getClass())

return false;

User other = (User) obj;

if (id == null) {

if (other.id != null)

return false;

} else if (!id.equals(other.id))

return false;

if (userName == null) {

if (other.userName != null)

return false;

} else if (!userName.equals(other.userName))

return false;

return true;

}

@Override

public String toString() {

return "User [id=" + id + ", userName=" + userName + "]";

}

}

工具类:

package com.nicchagil.nativeserialize;

import java.io.File;

import java.io.FileInputStream;

import java.io.FileNotFoundException;

import java.io.FileOutputStream;

import java.io.IOException;

import java.io.ObjectInputStream;

import java.io.ObjectOutputStream;

import java.io.Serializable;

public class NativeSerializeTools {

/**

* 序列化

* @param filePath 序列化的路径

* @param s 序列化的对象

*/

public static void write(String filePath, Serializable s) throws FileNotFoundException, IOException {

if (filePath == null || filePath.length() == 0) {

throw new RuntimeException("请传入序列化路径");

}

if (s == null) {

throw new RuntimeException("请传入序列化对象");

}

File f = new File(filePath);

ObjectOutputStream oos = null;

FileOutputStream fos = null;

try {

fos = new FileOutputStream(f);

oos = new ObjectOutputStream(fos);

oos.writeObject(s);

System.out.println("finish.");

} finally {

if (oos != null) {

oos.close();

}

if (fos != null) {

fos.close();

}

System.out.println("close the resource.");

}

}

/**

* 反序列化

* @param filePath 反序列化的路径

* @return 反序列化的对象

*/

public static Object read(String filePath) throws ClassNotFoundException, FileNotFoundException, IOException {

if (filePath == null || filePath.length() == 0) {

throw new RuntimeException("请传入反序列化路径");

}

File f = new File(filePath);

ObjectInputStream ois = null;

FileInputStream fis = null;

Object o = null;

try {

fis = new FileInputStream(f);

ois = new ObjectInputStream(fis);

o = ois.readObject();

System.out.println("finish.");

} finally {

if (ois != null) {

ois.close();

}

if (fis != null) {

fis.close();

}

System.out.println("close the resource.");

}

return o;

}

}

测试类:

package com.nicchagil.nativeserialize;

import java.io.FileNotFoundException;

import java.io.IOException;

import org.junit.Assert;

import org.junit.Test;

public class HowToUse {

private User user = new User(100, "Nick Huang");

private String filePath = "d:/user.txt";

@Test

public void c1() throws FileNotFoundException, IOException {

NativeSerializeTools.write(filePath, user);

}

@Test

public void c2() throws FileNotFoundException, IOException, ClassNotFoundException {

Object o = NativeSerializeTools.read(filePath);

System.out.println(o);

Assert.assertTrue(user.equals(o));

}

}

日志:

finish.

close the resource.

finish.

close the resource.

User [id=100, userName=Nick Huang]

以上是 Java原生序列化和反序列化代码实例 的全部内容, 来源链接: utcz.com/z/318109.html

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