1 files changed, 73 insertions, 0 deletions
diff --git a/3rdParty/jargs-1.0/examples/gnu/CustomOptionTest.java b/3rdParty/jargs-1.0/examples/gnu/CustomOptionTest.java
new file mode 100644
index 0000000..2a1c45f
--- /dev/null
+++ b/3rdParty/jargs-1.0/examples/gnu/CustomOptionTest.java
@@ -0,0 +1,73 @@
+package jargs.examples.gnu;
+
+import jargs.gnu.CmdLineParser;
+import java.text.DateFormat;
+import java.text.ParseException;
+import java.util.Locale;
+import java.util.Date;
+
+public class CustomOptionTest {
+
+    private static void printUsage() {
+        System.err.println("usage: prog [{-d,--date} date]");
+    }
+
+
+    /**
+     * A custom type of command line option corresponding to a short
+     * date value, e.g. .
+     */
+    public static class ShortDateOption extends CmdLineParser.Option {
+        public ShortDateOption( char shortForm, String longForm ) {
+            super(shortForm, longForm, true);
+        }
+        protected Object parseValue( String arg, Locale locale )
+            throws CmdLineParser.IllegalOptionValueException {
+            try {
+                DateFormat dateFormat =
+                    DateFormat.getDateInstance(DateFormat.SHORT, locale);
+                return dateFormat.parse(arg);
+            }
+            catch (ParseException e) {
+                throw new CmdLineParser.IllegalOptionValueException(this, arg);
+            }
+        }
+    }
+
+    public static void main( String[] args ) {
+        CmdLineParser parser = new CmdLineParser();
+        CmdLineParser.Option date =
+            parser.addOption(new ShortDateOption('d', "date"));
+
+        try {
+            parser.parse(args);
+        }
+        catch ( CmdLineParser.OptionException e ) {
+            System.err.println(e.getMessage());
+            printUsage();
+            System.exit(2);
+        }
+
+        // Extract the values entered for the various options -- if the
+        // options were not specified, the corresponding values will be
+        // null.
+        Date dateValue = (Date)parser.getOptionValue(date);
+
+        // For testing purposes, we just print out the option values
+        System.out.println("date: " + dateValue);
+
+        // Extract the trailing command-line arguments ('a_number') in the
+        // usage string above.
+        String[] otherArgs = parser.getRemainingArgs();
+        System.out.println("remaining args: ");
+        for ( int i = 0; i < otherArgs.length; ++i ) {
+            System.out.println(otherArgs[i]);
+        }
+
+        // In a real program, one would pass the option values and other
+        // arguments to a function that does something more useful.
+
+        System.exit(0);
+    }
+
+}