*Builder.reset() now returns this builder instance

git-svn-id: https://svn.apache.org/repos/asf/jakarta/commons/proper/cli/trunk@130101 13f79535-47bb-0310-9956-ffa450edef68

Author: Robert James Oxspring

src/java/org/apache/commons/cli2/builder/ArgumentBuilder.java

@@ -93,7 +93,7 @@ public final Argument create() {
      * Resets the ArgumentBuilder to the defaults for a new Argument. The
      * method should be called automatically at the end of a create() call.
      */
-    public final void reset() {
+    public final ArgumentBuilder reset() {
         name = "arg";
         description = null;
         minimum = 0;
@@ -104,6 +104,7 @@ public final void reset() {
         consumeRemaining = "--";
         defaultValues = null;
         id = 0;
+        return this;
     }
 
     /**

src/java/org/apache/commons/cli2/builder/CommandBuilder.java

@@ -76,14 +76,15 @@ public Command create() {
      * Resets the CommandBuilder to the defaults for a new Command. The method
      * should be called automatically at the end of a create() call.
      */
-    public void reset() {
+    public CommandBuilder reset() {
         preferredName = null;
         description = null;
         aliases = new HashSet();
         required = false;
         argument = null;
         children = null;
         id = 0;
+        return this;
     }
 
     /**

src/java/org/apache/commons/cli2/builder/DefaultOptionBuilder.java

@@ -116,7 +116,7 @@ public DefaultOption create() throws IllegalStateException {
     /**
      * Resets the builder
      */
-    public void reset() {
+    public DefaultOptionBuilder reset() {
         preferredName = null;
         description = null;
         aliases = new HashSet();
@@ -125,6 +125,7 @@ public void reset() {
         argument = null;
         children = null;
         id = 0;
+        return this;
     }
 
     /**

src/java/org/apache/commons/cli2/builder/GroupBuilder.java

@@ -56,12 +56,13 @@ public Group create() {
     /**
      * Resets the builder
      */
-    public void reset() {
+    public GroupBuilder reset() {
         name = null;
         description = null;
         options = new ArrayList();
         minimum = 0;
         maximum = Integer.MAX_VALUE;
+        return this;
     }
 
     /**

src/java/org/apache/commons/cli2/builder/PatternBuilder.java

@@ -91,8 +91,9 @@ public Option create() {
     /**
      * Resets this builder
      */
-    public void reset() {
+    public PatternBuilder reset() {
         options.clear();
+        return this;
     }
 
     private void createOption(

src/java/org/apache/commons/cli2/builder/SwitchBuilder.java

@@ -98,7 +98,7 @@ public Switch create() {
     /**
      * Resets the builder
      */
-    public void reset() {
+    public SwitchBuilder reset() {
         description = null;
         preferredName = null;
         required = false;
@@ -107,6 +107,7 @@ public void reset() {
         children = null;
         id = 0;
         switchDefault = null;
+        return this;
     }
 
     /**