msghead.java

采用JAVA开发

package com.gctech.cmpp3.msg;

import java.io.*;

/**
 * <p>Title: CNGP API</p>
 * <p>Description: 固网短信SP API</p>
 * <p>Copyright: Copyright (c) 2004</p>
 * <p>Company: GCTECH</p>
 * @author 王红宝
 * @version $Id: MsgHead.java,v 1.1 2004/05/21 07:50:10 wanghb Exp $
 */

public class MsgHead{
  //消息总长度
  private int totalLength;
  //命令ID
  private int commandId;
  //序列号
  private int sequenceId;
  public MsgHead() {
  }

  public MsgHead(int totalLength,int commandId,int sequenceId) {
    this.totalLength=totalLength;
    this.commandId=commandId;
    this.sequenceId=sequenceId;
  }

  public int getTotalLength() {
    return totalLength;
  }
  public void setTotalLength(int totalLength) {
    this.totalLength = totalLength;
  }
  public int getCommandId() {
    return commandId;
  }
  public void setCommandId(int commandId) {
    this.commandId = commandId;
  }
  public int getSequenceId() {
    return sequenceId;
  }
  public void setSequenceId(int sequenceId) {
    this.sequenceId = sequenceId;
  }

  //add by liya
  public byte Head[];

  public int read(InputStream inputstream){
    byte abyte0[] = new byte[4];
    try {
      inputstream.read(abyte0);
      CmppMsg.BytesCopy(abyte0, Head, 0, 3, 0);
      totalLength = CmppMsg.Bytes4ToInt(abyte0);
      inputstream.read(abyte0);
      CmppMsg.BytesCopy(abyte0, Head, 0, 3, 4);
      commandId = CmppMsg.Bytes4ToInt(abyte0);
      inputstream.read(abyte0);
      CmppMsg.BytesCopy(abyte0, Head, 0, 3, 8);
      sequenceId = CmppMsg.Bytes4ToInt(abyte0);
    } catch(Exception exception){
      System.out.println(exception.toString());
      return -1;
    }
    return 0;
  }

  public byte[] toByteArray(){
    byte[] data=new byte[12];
    CmppMsg.BytesCopy(CmppMsg.IntToBytes4(totalLength),data,0,3,0);
    CmppMsg.BytesCopy(CmppMsg.IntToBytes4(commandId),data,0,3,4);
    CmppMsg.BytesCopy(CmppMsg.IntToBytes4(sequenceId),data,0,3,8);
    return data;
  }

}