(String str)
| 139 | // Taken from Apache Commons Lang 2.6 at - |
| 140 | // https://commons.apache.org/proper/commons-lang/javadocs/api-2.6/src-html/org/apache/commons/lang/StringEscapeUtils.html#line.146 |
| 141 | public static String javaScriptEscape(String str) { |
| 142 | if (str == null) { |
| 143 | return null; |
| 144 | } |
| 145 | StringWriter writer = new StringWriter(str.length() * 2); |
| 146 | int sz; |
| 147 | sz = str.length(); |
| 148 | for (int i = 0; i < sz; i++) { |
| 149 | char ch = str.charAt(i); |
| 150 | |
| 151 | // handle unicode |
| 152 | if (ch > 0xfff) { |
| 153 | writer.write("\\u" + hex(ch)); |
| 154 | } else if (ch > 0xff) { |
| 155 | writer.write("\\u0" + hex(ch)); |
| 156 | } else if (ch > 0x7f) { |
| 157 | writer.write("\\u00" + hex(ch)); |
| 158 | } else if (ch < 32) { |
| 159 | switch (ch) { |
| 160 | case '\b': |
| 161 | writer.write('\\'); |
| 162 | writer.write('b'); |
| 163 | break; |
| 164 | case '\n': |
| 165 | writer.write('\\'); |
| 166 | writer.write('n'); |
| 167 | break; |
| 168 | case '\t': |
| 169 | writer.write('\\'); |
| 170 | writer.write('t'); |
| 171 | break; |
| 172 | case '\f': |
| 173 | writer.write('\\'); |
| 174 | writer.write('f'); |
| 175 | break; |
| 176 | case '\r': |
| 177 | writer.write('\\'); |
| 178 | writer.write('r'); |
| 179 | break; |
| 180 | default: |
| 181 | if (ch > 0xf) { |
| 182 | writer.write("\\u00" + hex(ch)); |
| 183 | } else { |
| 184 | writer.write("\\u000" + hex(ch)); |
| 185 | } |
| 186 | break; |
| 187 | } |
| 188 | } else { |
| 189 | switch (ch) { |
| 190 | case '\'': |
| 191 | writer.write('\\'); |
| 192 | writer.write('\''); |
| 193 | break; |
| 194 | case '"': |
| 195 | writer.write('\\'); |
| 196 | writer.write('"'); |
| 197 | break; |
| 198 | case '\\': |
no test coverage detected