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diff --git a/support/sdk/java/net/tinyos/packet/ParseArgs.java b/support/sdk/java/net/tinyos/packet/ParseArgs.java
new file mode 100644
index 00000000..5e9ed3ae
--- /dev/null
+++ b/support/sdk/java/net/tinyos/packet/ParseArgs.java
@@ -0,0 +1,41 @@
+    /**
+     * Parse a string into tokens based on a sequence of delimiters
+     * Given delimiters (single characters) d1, d2, ..., dn, this
+     * class recognises strings of the form s0[d1s1][d2s2]...[dnsn],
+     * where s<i-1> does not contain character di
+     * This is unambiguous if all di are distinct. If not, strings
+     * are attributed to the earliest possible si (so if the delimiters
+     * are : and :, and the input string is foo:bar, then s0 is foo,
+     * s1 is bar and s2 is null
+     */
+package net.tinyos.packet;
+
+class ParseArgs {
+	String tokens[];
+	int tokenIndex;
+
+	ParseArgs(String s, String delimiterSequence) {
+	    int count = delimiterSequence.length();
+	    tokens = new String[count + 1];
+	    tokenIndex = 0;
+
+	    // Fill in the tokens
+	    int i = 0, lastMatch = 0;
+	    while (i < count) {
+		int pos = s.indexOf(delimiterSequence.charAt(i++));
+
+		if (pos >= 0) {
+		    // When we finally find a delimiter, we know where
+		    // the last token ended
+		    tokens[lastMatch] = s.substring(0, pos);
+		    lastMatch = i;
+		    s = s.substring(pos + 1);
+		}
+	    }
+	    tokens[lastMatch] = s;
+	}
+
+	String next() {
+	    return tokens[tokenIndex++];
+	}
+}