respondtitle.java

我自己做的一个关于使用Ethereal抓包软件抓取SIP协议包后自己的协议分析软件

/*
 * RespondTitle.java
 *
 * Created on 2007年5月23日, 下午1:16
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */

package SIPTitle;

import java.util.*;
/**
 *
 * @author Administrator
 */
public class RespondTitle {
    
    private String responsdtitle = null;
    boolean flag = false;

    /** Creates a new instance of RespondTitle */
    public RespondTitle() {
    }
    
    public void setString(String string){
        String str = string.toUpperCase();
        int first= str.indexOf("SIP/2.0");

        try{
            String a = str.substring(first+8,first+11);
            int num = Integer.parseInt(a);
            if(99<num&&num<700){
                flag = true;
                responsdtitle = str.substring(first);
            }
        }catch(NumberFormatException e){
            flag = false;
            responsdtitle = null;
        }catch(StringIndexOutOfBoundsException ee){
            flag = false;
            responsdtitle = null;
        }
    }
     
    public boolean getVerify(){
        return flag;
    } 

    public String getResponsdtitle(){
        return responsdtitle;
    }
}