index.java

J2ME实现的手机电话本

/*
 * Index.java
 *
 * Created on 2006年3月19日, 上午11:14
 *
 * 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 class Index {
    private String key;
    private int recordID;
    
    /** Creates a new instance of Index */
    public Index() {
    }
    public Index(String key,int recordID){
        this.key = key;
        this.recordID = recordID;
    }
    
    public void setKey(String key){
        this.key = key;
    }
    
    public void setRecorID(int recordID){
        this.recordID = recordID;
    }
    public String getKey(){
        return key;
    }
    public int getRecordID(){
        return recordID;
    }
    public byte[] serialize() throws IOException{
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        DataOutputStream dos = new DataOutputStream(baos);
        dos.writeUTF(key);
        dos.writeInt(recordID);
        baos.close();
        dos.close();
        return baos.toByteArray();
    }
    public static Index deserialize(byte[] data) throws IOException{
        ByteArrayInputStream bais = new ByteArrayInputStream(data);
        DataInputStream dis = new DataInputStream(bais);
        Index index = new Index();
        index.key = dis.readUTF();
        index.recordID = dis.readInt();
        dis.close();
        bais.close();
        return index;
    }
    public static boolean matches(byte[] data,String key,int flag) throws IOException{
        ByteArrayInputStream bais = new ByteArrayInputStream(data);
        DataInputStream dis = new DataInputStream(bais);
        if(flag == 0){
        return (dis.readUTF()).equals(key);
        }else if((dis.readUTF()).indexOf(key) == -1){
            return false;
        }else{
        return true;
        }
        }
        
    }