Method getPathStrings

src/org/apache/pig/impl/util/StringUtils.java:120–156

(String commaSeparatedPaths)

     
         
     public static String[] getPathStrings(String commaSeparatedPaths) {
         int length = commaSeparatedPaths.length();
         int curlyOpen = 0;
         int pathStart = 0;
         boolean globPattern = false;
         List<String> pathStrings = new ArrayList<String>();
     
         for (int i=0; i<length; i++) {
             char ch = commaSeparatedPaths.charAt(i);
             switch(ch) {
                 case '{' : {
                     curlyOpen++;
                     if (!globPattern) {
                         globPattern = true;
                     }
                     break;
                 }
                 case '}' : {
                     curlyOpen--;
                     if (curlyOpen == 0 && globPattern) {
                         globPattern = false;
                     }
                     break;
                 }
                 case ',' : {
                     if (!globPattern) {
                         pathStrings.add(commaSeparatedPaths.substring(pathStart, i));
                         pathStart = i + 1 ;
                     }
                     break;
                 }
             }
         }
         pathStrings.add(commaSeparatedPaths.substring(pathStart, length));
     
         return pathStrings.toArray(new String[0]);
     }
}