|
1
21 package com.db4o.db4ounit.util;
22
23 public class Strings
24 {
25 private static final char DATESEPARATOR = '-';
26 private static final char TIMESEPARATOR = ':';
27 private static final char DATETIMESEPARATOR = ' ';
28
29 private String  _string;
30
31 private Strings(){}
32
33 public Strings(String str){
34 _string = str;
35 }
36
37 public Strings(char a_char, int a_count){
38 char[] chars = new char[a_count];
39 for (int i = 0; i < a_count;chars[i++] = a_char);
40 _string = new String (chars);
41 }
42
43 public Strings(int i){
44 _string = "" + i;
45 }
46
47 public Strings(long l){
48 _string = "" + l;
49 }
50
51 public Strings(char c){
52 _string = "" + c;
53 }
54
55 public void clear(){
56 _string = "";
57 }
58
59 public String getString(){
60 return _string;
61 }
62
63 protected String joinDate(String year, String month, String day ){
64 _string = year + DATESEPARATOR + month + DATESEPARATOR + day;
65 return _string;
66 }
67
68 protected String joinTime(String hours, String minutes,String seconds){
69 _string = hours + TIMESEPARATOR + minutes + TIMESEPARATOR + seconds;
70 return _string;
71 }
72
73 protected String joinDateTime(String date, String time){
74 _string = date + DATETIMESEPARATOR + time;
75 return _string;
76 }
77
78 public static String _left(String a_String, int a_chars){
79 return new Strings(a_String).left(a_chars);
80 }
81
82 public String left(int a_chars){
83 if(a_chars > _string.length()){
84 a_chars = _string.length();
85 }else{
86 if (a_chars < 0){
87 a_chars = 0;
88 }
89 }
90 return _string.substring(0,a_chars);
91 }
92
93 public static boolean _left(String ofString, String isString){
94 return new Strings(ofString).left(isString);
95 }
96
97 public boolean left(String compareString){
98 return left(compareString.length()).toUpperCase().equals(compareString.toUpperCase());
99 }
100
101 public String padLeft(char a_char, int a_length){
102 return new Strings(new Strings(a_char,a_length).getString() + _string).right(a_length);
103 }
104
105 public String PadRight(char a_char, int a_length){
106 return (_string + new Strings(a_char,a_length).getString()).substring(0,a_length);
107 }
108
109 public void replace(String a_Replace, String a_With){
110 replace(a_Replace, a_With,0);
111 }
112
113 public static String replace(String source, String replace, String with){
114 Strings s = new Strings(source);
115 s.replace(replace, with);
116 return s.getString();
117 }
118
119 private void replace(String replace, String with, int start){
120 int pos = 0;
121 while((pos = _string.indexOf(replace,start)) > -1){
122 _string = _string.substring(0,pos) + with + _string.substring(pos + replace.length());
123 }
124 }
125
126 public void replace (String begin, String end, String with, int start){
127 int from = _string.indexOf(begin, start);
128 if (from > -1){
129 int to = _string.indexOf(end,from + 1);
130 if(to > - 1){
131 _string = _string.substring(0,from) + with + _string.substring(to + end.length());
132 replace(begin, end, with, to);
133 }
134 }
135 }
136
137 public static String _right(String ofString, int isChar){
138 return new Strings(ofString).right(isChar);
139 }
140
141 public String right(int a_chars){
142 int l_take = _string.length() - a_chars;
143 if(l_take < 0){
144 l_take = 0;
145 }
146 return _string.substring(l_take);
147 }
148
149 public static boolean _right(String ofString, String compareString){
150 return new Strings(ofString).right(compareString);
151 }
152
153 public boolean right(String compareString){
154 int l_take = _string.length() - compareString.length();
155 if(l_take < 0){
156 l_take = 0;
157 }
158 String right = _string.substring(l_take).toUpperCase();
159 return right.equals(compareString.toUpperCase());
160 }
161
162 public static String _splitRight(String a_String, String a_Splitter){
163 return new Strings(a_String).splitRight(a_Splitter);
164 }
165
166 public String splitRight(String a_Splitter){
167 String l_Return = "";
168 int l_pos = _string.lastIndexOf(a_Splitter);
169 if(l_pos > 0){
170 l_Return = _string.substring(l_pos + a_Splitter.length());
171 _string = _string.substring(0,l_pos);
172 }
173 return l_Return;
174 }
175
176 public String toString(){
177 return _string;
178 }
179
180 }
181 |
Popular Tags |
Java API By Example, From Geeks To Geeks.