StringBuffer工具类整理(一)

 package com.gzcivil.utils;

 /**
  * 同StringBuffer
  *
  * @author Dragon
  * @time 2013-3-1
  */
 public class StrBuffer {
     private StringBuffer sb = null;

     public StrBuffer() {
         sb = new StringBuffer();
     }

     public StrBuffer(Object... objects) {
         sb = new StringBuffer();
         append(objects);
     }

     public StringBuffer append(Object... objects) {
         if (objects != null) {
             for (Object o : objects) {
                 sb.append(o);
             }
         }
         return sb;
     }

     public int length() {
         return sb.length();
     }

     public int indexOf(String string) {
         // TODO Auto-generated method stub
         return sb.indexOf(string);
     }

     public int lastIndexOf(String string) {
         return sb.lastIndexOf(string);
     }

     public int indexOf(String subString, int start) {
         // TODO Auto-generated method stub
         return sb.indexOf(subString, start);
     }

     public String substring(int start, int end) {
         // TODO Auto-generated method stub
         return sb.substring(start, end);
     }

     public String toString() {
         return sb.toString();
     }

     public char charAt(int index) {
         return sb.charAt(index);
     }

     public boolean equals(Object obj) {
         if (this == obj)
             return true;

         if (obj != null && obj.getClass() == this.getClass()) {
             StrBuffer sb = (StrBuffer) obj;
             int len = length();
             if (len != sb.length())
                 return false;
             int index = 0;
             while (index != len) {
                 if (charAt(index) != sb.charAt(index))
                     return false;
                 else
                     index++;
             }
             return true;
         }
         return false;
     }
 }