JAVA reflecting - to perform the method and a method based on the name of an object

Package com.citic.util; 

Import the java.lang.reflect *. ;
 Import the java.util.HashMap; 

Import . com.citic.util.comm * ; 

/ ** 
 * This method to perform the method according to the name of an object and 
 * @author db2admin 
 * 
 * / 
public  class ReflectUtil { 
     public  static String methodName = "Execute" ;
     public  static  int debuglevel =. 8 ;
     public  static the HashMap <String, String []> PreExecute (String className, xmlOder String, String msgid) {
         / / return there are two general preset code, message
        return execute(className,"pre"+methodName,xmlOder,msgid);
    }
    
    public static HashMap<String,String[]> execute(String className,String xmlOder,String msgid){
        return execute(className,methodName,xmlOder,msgid);
    }
    
    @SuppressWarnings("unchecked")
    public static HashMap<String,String[]> execute(String className,String methodName,String xmlOder,String msgid) {
        HashMap<String,String[]> hm=new HashMap<String,String[]>();
        Method m1;
        Class<?> clazz;
        Object obj;
        String tb = ConfigFileUtil.getValue("SCHEMAPREFIX1")
                + ConfigFileUtil.getValue("T" + xmlOder);
        CommFun.log(debuglevel, "调用类:" + className + ",方法:" + methodName
                + ",参数:" + msgid+",表名:"+tb+",xmlOrder:"+xmlOder);
        try {
            if("".equals(tb)||tb==null){
                throw new Exception(xmlOder+"对应表名为空");
            }
            clazz=Class.forName(className);
            obj=clazz.newInstance();
            //解决父类调用问题
            while(true){
                try{
                    m1=obj.getClass().getDeclaredMethod(methodName, String.class,String.class,String.class);
                    CommFun.log(clazz.toString()+","+obj.toString()+","+m1.toString());
                }catch(NoSuchMethodException ne){
                    clazz=clazz.getSuperclass();
                    obj=clazz.newInstance();
                    CommFun.log(clazz.toString()+","+obj.toString());
                    continue;
                }
                break;
            }
            hm=(HashMap<String, String[]>) m1.invoke(obj,xmlOder,msgid,tb);
        } catch (Exception e) {
            CommFun.log("---------");
            e.printStackTrace();
            CommFun.log("["+e.toString()+"]");
        }
        return hm;
    }
}