XML used by code generator

package com.gzcgxt.erp.test ;



import java.io.File;

import java.io.FileInputStream;

import java.io.FileNotFoundException;

import java.io.FileOutputStream;



import org.junit.Test;



public class MapperXML {



 @Test

 public void test1() throws Exception {



 String header= newxml();



 String footer= old();



 StringBuffer sb=new StringBuffer();



 sb.append(header).append(footer);



 File f=new File("d:/UserMapper.xml" );



 FileOutputStream out=new FileOutputStream(f);



 out.write(sb.toString().getBytes());



 out.close();



}





 public String old() throws Exception

 {

 File f=new File("c:/UserMapper.xml" );



 FileInputStream in=new FileInputStream(f);



 byte[] buffer=new byte[1024];



 int len=-1;



 StringBuffer sb=new StringBuffer();

 while((len=in.read(buffer))!=-1)

 {

 String s=new String(buffer,0,len);

 sb.append(s);

}



 in.close();



 String[] arr = sb.toString().split("");



 return arr[1];



}





 public String newxml() throws Exception

 {

 File f=new File("e:/UserMapper.xml" );



 FileInputStream in=new FileInputStream(f);



 byte[] buffer=new byte[1024];



 int len=-1;



 StringBuffer sb=new StringBuffer();

 while((len=in.read(buffer))!=-1)

 {

 String s=new String(buffer,0,len);

 sb.append(s);

}



 in.close();



 String[] arr = sb.toString().split("");



 String s= arr[0];



 s=s+"";



 return s;



}







}