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StringBuffer工具類整理(一),stringbuffer工具類

編輯:關於android開發

StringBuffer工具類整理(一),stringbuffer工具類


 1 package com.gzcivil.utils;
 2 
 3 /**
 4  * 同StringBuffer
 5  * 
 6  * @author Dragon
 7  * @time 2013-3-1
 8  */
 9 public class StrBuffer {
10     private StringBuffer sb = null;
11 
12     public StrBuffer() {
13         sb = new StringBuffer();
14     }
15 
16     public StrBuffer(Object... objects) {
17         sb = new StringBuffer();
18         append(objects);
19     }
20 
21     public StringBuffer append(Object... objects) {
22         if (objects != null) {
23             for (Object o : objects) {
24                 sb.append(o);
25             }
26         }
27         return sb;
28     }
29 
30     public int length() {
31         return sb.length();
32     }
33 
34     public int indexOf(String string) {
35         // TODO Auto-generated method stub
36         return sb.indexOf(string);
37     }
38 
39     public int lastIndexOf(String string) {
40         return sb.lastIndexOf(string);
41     }
42 
43     public int indexOf(String subString, int start) {
44         // TODO Auto-generated method stub
45         return sb.indexOf(subString, start);
46     }
47 
48     public String substring(int start, int end) {
49         // TODO Auto-generated method stub
50         return sb.substring(start, end);
51     }
52 
53     public String toString() {
54         return sb.toString();
55     }
56 
57     public char charAt(int index) {
58         return sb.charAt(index);
59     }
60 
61     public boolean equals(Object obj) {
62         if (this == obj)
63             return true;
64 
65         if (obj != null && obj.getClass() == this.getClass()) {
66             StrBuffer sb = (StrBuffer) obj;
67             int len = length();
68             if (len != sb.length())
69                 return false;
70             int index = 0;
71             while (index != len) {
72                 if (charAt(index) != sb.charAt(index))
73                     return false;
74                 else
75                     index++;
76             }
77             return true;
78         }
79         return false;
80     }
81 }

 

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