Support random path creation

1 files changed, 26 insertions, 0 deletions

diff --git a/src/org/noreply/fancydress/misc/Util.java b/src/org/noreply/fancydress/misc/Util.java
index a111b88..d9b46da 100644
--- a/src/org/noreply/fancydress/misc/Util.java
+++ b/src/org/noreply/fancydress/misc/Util.java
@@ -234,4 +234,30 @@ public class Util {
 			throw new ParseException("Cannot parse boolean expression "+s,0);
 		}
 	}
+
+	/**
+	 * Tokenize comma separated lists into single tokens.
+	 *
+	 * Single tokens are trimmed of whitespace.
+	 *
+	 * @param s string of comma separated items.
+	 * @param separator a token separator
+	 * @return an array of single tokens.
+	 */
+	public static String[] tokenize(String s, char separator) {
+		ArrayList list = new ArrayList();
+		int indexFrom = 0;
+		int indexOf;
+
+		do {
+			indexOf = s.indexOf(separator, indexFrom);
+			String v = (indexOf >= 0) ?
+				s.substring(indexFrom, indexOf).trim() :
+				s.substring(indexFrom).trim();
+			list.add( v );
+			indexFrom = indexOf + 1;
+		} while (indexOf >= 0);
+
+		return (String[]) list.toArray(new String[list.size()]);
+	}
 }