public DefaultFocusManager() 
{
      
        setDefaultFocusTraversalPolicy(gluePolicy);
}

 public boolean compareTabOrder(Component a,
    Component b) 
{
        return (comparator.compare(a, b) <  0);
}

 public Component getComponentAfter(Container aContainer,
    Component aComponent) 
{
        Container root = (aContainer.isFocusCycleRoot())
            ? aContainer
            : aContainer.getFocusCycleRootAncestor();
        // Support for mixed 1.4/pre-1.4 focus APIs. If a particular root's
        // traversal policy is non-legacy, then honor it.
        if (root != null) {
            FocusTraversalPolicy policy = root.getFocusTraversalPolicy();
            if (policy != gluePolicy) {
                return policy.getComponentAfter(root, aComponent);
            }
            comparator.setComponentOrientation(root.getComponentOrientation());
            return layoutPolicy.getComponentAfter(root, aComponent);
        }
        return null;
}

 public Component getComponentBefore(Container aContainer,
    Component aComponent) 
{
        Container root = (aContainer.isFocusCycleRoot())
            ? aContainer
            : aContainer.getFocusCycleRootAncestor();
        // Support for mixed 1.4/pre-1.4 focus APIs. If a particular root's
        // traversal policy is non-legacy, then honor it.
        if (root != null) {
            FocusTraversalPolicy policy = root.getFocusTraversalPolicy();
            if (policy != gluePolicy) {
                return policy.getComponentBefore(root, aComponent);
            }
            comparator.setComponentOrientation(root.getComponentOrientation());
            return layoutPolicy.getComponentBefore(root, aComponent);
        }
        return null;
}

 public Component getFirstComponent(Container aContainer) 
{
        Container root = (aContainer.isFocusCycleRoot())
            ? aContainer
            : aContainer.getFocusCycleRootAncestor();
        // Support for mixed 1.4/pre-1.4 focus APIs. If a particular root's
        // traversal policy is non-legacy, then honor it.
        if (root != null) {
            FocusTraversalPolicy policy = root.getFocusTraversalPolicy();
            if (policy != gluePolicy) {
                return policy.getFirstComponent(root);
            }
            comparator.setComponentOrientation(root.getComponentOrientation());
            return layoutPolicy.getFirstComponent(root);
        }
        return null;
}

 public Component getLastComponent(Container aContainer) 
{
        Container root = (aContainer.isFocusCycleRoot())
            ? aContainer
            : aContainer.getFocusCycleRootAncestor();
        // Support for mixed 1.4/pre-1.4 focus APIs. If a particular root's
        // traversal policy is non-legacy, then honor it.
        if (root != null) {
            FocusTraversalPolicy policy = root.getFocusTraversalPolicy();
            if (policy != gluePolicy) {
                return policy.getLastComponent(root);
            }
            comparator.setComponentOrientation(root.getComponentOrientation());
            return layoutPolicy.getLastComponent(root);
        }
        return null;
}