Get back a Set of String from its String representation. Unescape backslashed separator characters. @param string String to convert to a List @param separator String that delimits the element of the set @return a linked hashset @see #toString(java.util.LinkedHashSet)
(String string, String separator)
| 254 | * @see #toString(java.util.LinkedHashSet) |
| 255 | */ |
| 256 | public static LinkedHashSet<String> toSet(String string, String separator) { |
| 257 | LinkedHashSet<String> set = new LinkedHashSet<String>(); |
| 258 | if (string == null |
| 259 | || string.length() < 3) { |
| 260 | return set; |
| 261 | } |
| 262 | // remove last character |
| 263 | String value = string.substring(0, string.length()-1); |
| 264 | int index = 1; |
| 265 | int startIndex = 1; |
| 266 | int separatorIndex; |
| 267 | // split on element separator |
| 268 | while ((separatorIndex = value.indexOf(separator, index)) != -1) { |
| 269 | // check that the separator is not an escaped character |
| 270 | if (value.charAt(separatorIndex-1) != '\\') { |
| 271 | set.add(value.substring(startIndex, separatorIndex) |
| 272 | // unescape separator |
| 273 | .replaceAll("\\\\"+separator.charAt(0), ""+separator.charAt(0))); |
| 274 | startIndex = separatorIndex + separator.length(); |
| 275 | } |
| 276 | index = separatorIndex + separator.length(); |
| 277 | } |
| 278 | // last element of the set |
| 279 | set.add(value.substring(startIndex)); |
| 280 | return set; |
| 281 | } |
| 282 | |
| 283 | /** |
| 284 | * Get back a Map of String*String from its String representation. |