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 }
