entry.java

J2ME实现的手机电话本

/*
 * Entry.java
 *
 * Created on 2006年3月17日, 上午9:02
 *
 * To change this template, choose Tools | Options and locate the template under
 * the Source Creation and Management node. Right-click the template and choose
 * Open. You can then make changes to the template in the Source Editor.
 */

package com.j2medev.sample.phonebook;
import java.io.*;
/**
 *
 * @author Admin
 */
public final class Entry {
    private static int id_seq = 0;
    private int id;
    private String name;
    private String mobile;
    private String phone;
    private String email;
    private String address;
    private String QQ;
    
    /** Creates a new instance of Entry */
    //实现自动加1,
    private static int nextId(){
        return id_seq++;        
    }
    public Entry(){
    }
    
    public Entry(String name,String mobile,String phone,String email,String address,String QQ) {
        this.id = nextId();
        this.name = name;
        this.mobile = mobile;
        this.phone = phone;
        this.email = email;
        this.address = address;
        this.QQ = QQ;
    }
    //得到成员变量的值；
    public int getId(){
        return id;
    }
    public String getEmail(){
        return email;
    }
    public String getName(){
        return name;
    }
    public String getMobile(){
        return mobile;
    }
    public String getPhone(){
        return phone;
    }
    public String getAddress(){
        return address;
    }
    public String getQQ(){
        return QQ;
    }
    
    //设置成员变量的值
    public void setName(String name){
        this.name = name;
    }
    public void setMobile(String mobile){
        this.mobile = mobile;
    }
    public void setPhone(String phone){
        this.phone = phone;
    }
    public void setEmail(String email){
        this.email = email;
    }
    public void setAddress(String address){
        this.address = address;
    }
    public void setQQ(String QQ){
        this.QQ = QQ;
    }
    
    public boolean equals(Object obj){
        if(this == obj)
            return true;
        if(obj instanceof Entry){
            return ((Entry)obj).id == this.id;
        }
        return false;
    }
    public int hashCode(){
        return id;
    }
    public   byte[] serialize() throws IOException{
        //System.out.println("执行到这儿了");
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        DataOutputStream dos = new DataOutputStream(baos);
        dos.writeUTF(name);
        dos.writeInt(id);        
        dos.writeUTF(mobile);
        dos.writeUTF(phone);
        dos.writeUTF(email);
        dos.writeUTF(address);
        dos.writeUTF(QQ);
        baos.close();
        dos.close();
        return baos.toByteArray();
        
    }
    public static Entry deserialize(byte[] data) throws IOException{
        ByteArrayInputStream bais = new ByteArrayInputStream(data);
        DataInputStream dis = new DataInputStream(bais);
        Entry entry = new Entry();
        entry.name = dis.readUTF();
        entry.id = dis.readInt();        
        entry.mobile = dis.readUTF();
        entry.phone = dis.readUTF();
        entry.email = dis.readUTF();
        entry.address = dis.readUTF();
        entry.QQ = dis.readUTF();
        bais.close();
        dis.close();
        return entry;
        
    }
    
    
}