parameterbean.java

J2ME音乐播放器 适合初学者参考

package com.wootion.rms;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.DataInputStream;
import java.io.DataOutputStream;

public class ParameterBean {

	private int index;
	private int value;
	/**
	 * @param index
	 * @param value
	 */
	public ParameterBean(int index, int value) {
		super();
		this.index = index;
		this.value = value;
	}
	public int getIndex() {
		return index;
	}
	public void setIndex(int index) {
		this.index = index;
	}
	public int getValue() {
		return value;
	}
	public void setValue(int value) {
		this.value = value;
	}
	public ParameterBean() {
		// TODO Auto-generated constructor stub
	}
	/**
	 * 
	 * <b>方法描述：</b></br>&nbsp&nbsp&nbsp&nbsp 转换成字节</br>
	 * 
	 * @param index
	 *            键
	 * @param value
	 *            值
	 * @return byte的一个数组
	 */
	public byte[] toBytes() { // 写成字节

		byte[] data = null;

		try {
			ByteArrayOutputStream baos = new ByteArrayOutputStream();
			DataOutputStream dos = new DataOutputStream(baos);
			dos.writeInt(index);
			dos.writeInt(value);

			data = baos.toByteArray();
			baos.close();
			dos.close();
		}
		catch (Exception e) {
			e.printStackTrace();
		}
		return data;
	}
	public ParameterBean(byte[] b) {
    	initPlayListBean(b); //读取RMS内容的构造函数
    }
    public void initPlayListBean(byte[] rec) { //从字节读取内容

        ByteArrayInputStream bais = new ByteArrayInputStream(rec);
        DataInputStream dis = new DataInputStream(bais);

        try {
        	index=dis.readInt();
        	value = dis.readInt();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

}