Index: lutincommandline/src/java/org/codelutin/option/actions/OptionActionHelpRunnable.java
diff -u lutincommandline/src/java/org/codelutin/option/actions/OptionActionHelpRunnable.java:1.1 lutincommandline/src/java/org/codelutin/option/actions/OptionActionHelpRunnable.java:1.2
--- lutincommandline/src/java/org/codelutin/option/actions/OptionActionHelpRunnable.java:1.1	Tue Mar 18 23:40:47 2008
+++ lutincommandline/src/java/org/codelutin/option/actions/OptionActionHelpRunnable.java	Wed Mar 19 20:21:12 2008
@@ -15,11 +15,21 @@
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
+import static org.codelutin.i18n.I18n._;
 import org.codelutin.option.AbstractContext;
+import org.codelutin.option.ConfigKey;
+import org.codelutin.option.ConfigPropertyKey;
 import org.codelutin.option.OptionAction;
 import org.codelutin.option.OptionActionRunnable;
+import org.codelutin.option.OptionKey;
+import static org.codelutin.option.ParserUtil.addTitle;
+import org.codelutin.option.def.OptionDefinition;
+import org.codelutin.util.ReflectUtil;
 
+import java.io.IOException;
 import java.io.StringWriter;
+import java.io.Writer;
+import java.util.List;
 
 /** @author chemit */
 public class OptionActionHelpRunnable implements OptionActionRunnable {
@@ -32,9 +42,58 @@
 
         StringWriter writer = new StringWriter();
         String title = "TODO Add project name v " + context.getMainConfig().getPropertyKey("version").getCurrentValue();
-        context.getParser().printUsage(writer, title);
+        printUsage(context, writer, title);
         //TODO should be able to register writer
         System.out.println(writer);
         context.setQuit(true);
     }
+
+    /**
+     * Print usage of the parser
+     *
+     * @param context current context
+     * @param w       writer
+     * @param name    title @throws java.io.IOException if any io pb while writing
+     * @throws java.io.IOException if any pb while writing
+     */
+    public void printUsage(AbstractContext<?> context, Writer w, String name) throws IOException {
+
+        //TODO Use a Visitor in context
+        try {
+            String head = _("lutinutil.parserdef.printUsage.head", name);
+            String prefixOption = _("lutinutil.parserdef.printUsage.options.head", name);
+            String prefixConfig = _("lutinutil.parserdef.printUsage.configs.head", name);
+            String prefix = "\n";
+            toString(context, w, head, prefix, prefixOption, prefixConfig);
+        } finally {
+
+            w.flush();
+        }
+    }
+
+    public void toString(AbstractContext<?> context, Writer w, String head, String prefix, String prefixOption, String prefixConfig) throws IOException {
+        w.append(addTitle(head, '=', true)).append("\n\n");
+        w.append(addTitle(prefixOption, '-', false)).append("\n");
+        for (OptionKey key : context.getParser().getOptionKeys()) {
+            OptionDefinition definition = key.getDefinition();
+            w.append(prefix).append(definition.toString());
+            w.append("\n    ").append(key.getDescription()).append("\n\n");
+        }
+        List<ConfigKey<?>> configKeys = context.getConfigKeys();
+        if (configKeys.isEmpty()) {
+            return;
+        }
+        w.append(addTitle(prefixConfig, '-', false)).append("\n");
+        for (ConfigKey<?> key : configKeys) {
+            w.append("\n").append(addTitle(key.getDescription() + " (" + key.getCategory() + ")", '~', false)).append("\n");
+            for (ConfigPropertyKey propertyKey : ReflectUtil.getConstants(key.getAbstractConfigClass(), ConfigPropertyKey.class)) {
+                w.append(prefix).append(propertyKey.getKey()).append(" (").append(propertyKey.getType().getSimpleName()).append(")");
+                if (propertyKey.getDefaultValue() != null) {
+                    w.append(" <defaultValue:").append(propertyKey.getDefaultValue().toString()).append(">");
+
+                }
+                w.append("\n    ").append(propertyKey.getDescription()).append("\n\n");
+            }
+        }
+    }
 }
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