Commit b1ff109aeb30108c7e4185a84a64fbb34abe5f45
1 parent
090b511c
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master
1. CODE_PAGE 和 NO_BREAK_SPACE处理优化
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2 changed files
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95 additions
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13 deletions
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build.gradle
src/main/java/com/taover/util/UtilString.java
... | ... | @@ -8,6 +8,11 @@ import java.util.regex.Matcher; |
8 | 8 | import java.util.regex.Pattern; |
9 | 9 | |
10 | 10 | public class UtilString { |
11 | + public static final byte[] CODE_PAGE_BYTE_ARR = new byte[]{-30, -128, -83}; | |
12 | + public static final String CODE_PAGE = new String(CODE_PAGE_BYTE_ARR); | |
13 | + public static final byte[] NO_BREAK_SPACE_BYTE_ARR = new byte[]{-62, -96}; | |
14 | + public static final String NO_BREAK_SPACE = new String(NO_BREAK_SPACE_BYTE_ARR); | |
15 | + | |
11 | 16 | public static String trimByRegexS(String source){ |
12 | 17 | return trimLeftByRegexS(trimRightByRegexS(source)); |
13 | 18 | } |
... | ... | @@ -20,8 +25,8 @@ public class UtilString { |
20 | 25 | return ""; |
21 | 26 | } |
22 | 27 | |
23 | - source = replaceCodePage(source, ""); | |
24 | - source = replaceNoBreakBackspace(source, ""); | |
28 | + source = trimLeftCodePage(source); | |
29 | + source = trimLeftNoBreakBackspace(source); | |
25 | 30 | Pattern pattern = Pattern.compile("\\S"); |
26 | 31 | int startIndex = -1; |
27 | 32 | for(int i=0; i<source.length(); ++i){ |
... | ... | @@ -46,8 +51,8 @@ public class UtilString { |
46 | 51 | return ""; |
47 | 52 | } |
48 | 53 | |
49 | - source = replaceCodePage(source, ""); | |
50 | - source = replaceNoBreakBackspace(source, ""); | |
54 | + source = trimRightCodePage(source); | |
55 | + source = trimNoBreakBackspace(source); | |
51 | 56 | Pattern pattern = Pattern.compile("\\S"); |
52 | 57 | int endIndex = source.length()-1; |
53 | 58 | for(int i=source.length()-1; i>=0; --i){ |
... | ... | @@ -96,18 +101,94 @@ public class UtilString { |
96 | 101 | } |
97 | 102 | return ""; |
98 | 103 | } |
104 | + | |
105 | + public static String trimCodePage(String data) { | |
106 | + return trimLeftCodePage(trimRightCodePage(data)); | |
107 | + } | |
108 | + | |
109 | + public static String trimLeftCodePage(String data) { | |
110 | + return trimLeftStrByEquals(data, CODE_PAGE); | |
111 | + } | |
112 | + | |
113 | + public static String trimRightCodePage(String data) { | |
114 | + return trimRightStrByEquals(data, CODE_PAGE); | |
115 | + } | |
116 | + | |
117 | + public static String trimNoBreakBackspace(String data) { | |
118 | + return trimLeftNoBreakBackspace(trimRightNoBreakBackspace(data)); | |
119 | + } | |
99 | 120 | |
100 | - @Deprecated | |
101 | - public static String trimCodePage(String data){ | |
102 | - return data.replaceAll(new String(new byte[]{-30, -128, -83}), ""); | |
121 | + public static String trimLeftNoBreakBackspace(String data) { | |
122 | + return trimLeftStrByEquals(data, NO_BREAK_SPACE); | |
123 | + } | |
124 | + | |
125 | + public static String trimRightNoBreakBackspace(String data) { | |
126 | + return trimRightStrByEquals(data, NO_BREAK_SPACE); | |
127 | + } | |
128 | + | |
129 | + public static String trimLeftStrByRegex(String data, Pattern trimPattern) { | |
130 | + /** | |
131 | + * TO DO | |
132 | + */ | |
133 | + return null; | |
134 | + } | |
135 | + | |
136 | + public static String trimRightStrByRegex(String data, Pattern trimPattern) { | |
137 | + /** | |
138 | + * TO DO | |
139 | + */ | |
140 | + return null; | |
141 | + } | |
142 | + | |
143 | + public static String trimLeftStrByEquals(String data, String trimStr) { | |
144 | + if(data == null){ | |
145 | + return null; | |
146 | + } | |
147 | + if(data.equals("")){ | |
148 | + return ""; | |
149 | + } | |
150 | + if(trimStr == null || trimStr.isEmpty()) { | |
151 | + return data; | |
152 | + } | |
153 | + int subIndexBegin = 0; | |
154 | + int trimStrLen = trimStr.length(); | |
155 | + int dataLen = data.length(); | |
156 | + while((subIndexBegin+trimStrLen) <= dataLen) { | |
157 | + if(!trimStr.equals(data.substring(subIndexBegin, subIndexBegin+trimStrLen))) { | |
158 | + break; | |
159 | + } | |
160 | + subIndexBegin += trimStrLen; | |
161 | + } | |
162 | + return data.substring(subIndexBegin); | |
163 | + } | |
164 | + | |
165 | + public static String trimRightStrByEquals(String data, String trimStr) { | |
166 | + if(data == null){ | |
167 | + return null; | |
168 | + } | |
169 | + if(data.equals("")){ | |
170 | + return ""; | |
171 | + } | |
172 | + if(trimStr == null || trimStr.isEmpty()) { | |
173 | + return data; | |
174 | + } | |
175 | + int subIndexEnd = data.length(); | |
176 | + int trimStrLen = trimStr.length(); | |
177 | + while((subIndexEnd - trimStrLen) >= 0) { | |
178 | + if(!trimStr.equals(data.substring(subIndexEnd-trimStrLen, subIndexEnd))) { | |
179 | + break; | |
180 | + } | |
181 | + subIndexEnd -= trimStrLen; | |
182 | + } | |
183 | + return data.substring(0, subIndexEnd); | |
103 | 184 | } |
104 | 185 | |
105 | 186 | public static String replaceCodePage(String data, String replaceStr){ |
106 | - return data.replaceAll(new String(new byte[]{-30, -128, -83}), replaceStr); | |
187 | + return data.replaceAll(CODE_PAGE, replaceStr); | |
107 | 188 | } |
108 | 189 | |
109 | 190 | public static String replaceNoBreakBackspace(String data, String replaceStr) { |
110 | - return data.replaceAll(new String(new byte[] {-62, -96}), replaceStr); | |
191 | + return data.replaceAll(NO_BREAK_SPACE, replaceStr); | |
111 | 192 | } |
112 | 193 | |
113 | 194 | /** |
... | ... | @@ -284,8 +365,9 @@ public class UtilString { |
284 | 365 | String trim = " sd ds sd "; |
285 | 366 | String trimLeft = " ds sd "; |
286 | 367 | String trimRight = " ds es &**^"; |
287 | - System.out.println(trimByRegexW(trim)); | |
288 | - System.out.println(trimLeftByRegexW(trimLeft)); | |
289 | - System.out.println(trimRightByRegexW(trimRight)); | |
368 | + System.out.println(trimByRegexS(trim)); | |
369 | + System.out.println(trimLeftByRegexS(trimLeft)); | |
370 | + System.out.println(trimRightByRegexS(trimRight)); | |
371 | + System.out.println(trimRightStrByEquals("asddasd", "asd")); | |
290 | 372 | } |
291 | 373 | } |
292 | 374 | \ No newline at end of file | ... | ... |