--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/tools/ProjectCreator/ArgsParser.java	Tue Nov 23 13:22:55 2010 -0800
@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+class ArgIterator {
+    String[] args;
+    int i;
+    ArgIterator(String[] args) {
+        this.args = args;
+        this.i = 0;
+    }
+    String get() { return args[i]; }
+    boolean hasMore() { return args != null && i  < args.length; }
+    boolean next() { return ++i < args.length; }
+}
+
+abstract class ArgHandler {
+    public abstract void handle(ArgIterator it);
+
+}
+
+class ArgRule {
+    String arg;
+    ArgHandler handler;
+    ArgRule(String arg, ArgHandler handler) {
+        this.arg = arg;
+        this.handler = handler;
+    }
+
+    boolean process(ArgIterator it) {
+        if (match(it.get(), arg)) {
+            handler.handle(it);
+            return true;
+        }
+        return false;
+    }
+    boolean match(String rule_pattern, String arg) {
+        return arg.equals(rule_pattern);
+    }
+}
+
+class ArgsParser {
+    ArgsParser(String[] args,
+               ArgRule[] rules,
+               ArgHandler defaulter) {
+        ArgIterator ai = new ArgIterator(args);
+        while (ai.hasMore()) {
+            boolean processed = false;
+            for (int i=0; i<rules.length; i++) {
+                processed |= rules[i].process(ai);
+                if (processed) {
+                    break;
+                }
+            }
+            if (!processed) {
+                if (defaulter != null) {
+                    defaulter.handle(ai);
+                } else {
+                    System.err.println("ERROR: unparsed \""+ai.get()+"\"");
+                    ai.next();
+                }
+            }
+        }
+    }
+}