- private static boolean debug = false;
-
- /**
- * parse the string into a list
- *
- * @param list
- * @param separator
- * @return elements separated by separator
- */
- public static String[] separatorListToArray(String list, String separator)
- {
- int seplen = separator.length();
- if (list == null || list.equals("") || list.equals(separator))
- return null;
- java.util.ArrayList<String> jv = new ArrayList<String>();
- int cp = 0, pos, escape;
- boolean wasescaped = false, wasquoted = false;
- String lstitem = null;
- while ((pos = list.indexOf(separator, cp)) >= cp)
- {
-
- escape = (pos > 0 && list.charAt(pos - 1) == '\\') ? -1 : 0;
- if (wasescaped || wasquoted)
- {
- // append to previous pos
- jv.set(jv.size() - 1,
- lstitem = lstitem + separator
- + list.substring(cp, pos + escape));
-
- }
- else
- {
- jv.add(lstitem = list.substring(cp, pos + escape));
- }
- cp = pos + seplen;
- wasescaped = escape == -1;
- if (!wasescaped)
- {
- // last separator may be in an unmatched quote
- if (java.util.regex.Pattern.matches("('[^']*')*[^']*'", lstitem))
- {
- wasquoted = true;
- }
- }
-
- }
- if (cp < list.length())
- {
- String c = list.substring(cp);
- if (wasescaped || wasquoted)
- {
- // append final separator
- jv.set(jv.size() - 1, lstitem + separator + c);
- }
- else
- {
- if (!c.equals(separator))
- {
- jv.add(c);
- }
- }
- }
- if (jv.size() > 0)
- {
- String[] v = jv.toArray(new String[jv.size()]);
- jv.clear();
- if (debug)
- {
- System.err.println("Array from '" + separator
- + "' separated List:\n" + v.length);
- for (int i = 0; i < v.length; i++)
- {
- System.err.println("item " + i + " '" + v[i] + "'");
- }
- }
- return v;
- }
- if (debug)
- {
- System.err.println("Empty Array from '" + separator
- + "' separated List");
- }
- return null;
- }
-
- /**
- * concatenate the list with separator
- *
- * @param list
- * @param separator
- * @return concatenated string
- */
- public static String arrayToSeparatorList(String[] list, String separator)
- {
- StringBuffer v = new StringBuffer();
- if (list != null && list.length > 0)
- {
- for (int i = 0, iSize = list.length; i < iSize; i++)
- {
- if (list[i] != null)
- {
- if (v.length() > 0)
- {
- v.append(separator);
- }
- // TODO - escape any separator values in list[i]
- v.append(list[i]);
- }
- }
- if (debug)
- {
- System.err.println("Returning '" + separator
- + "' separated List:\n");
- System.err.println(v);
- }
- return v.toString();
- }
- if (debug)
- {
- System.err.println("Returning empty '" + separator
- + "' separated List\n");
- }
- return "" + separator;
- }
-