Java Utililty Methods JComponent Container

if (c.isEnabled()) {
    if (c.isFocusOwner()) {
        return SynthConstants.ENABLED | SynthConstants.FOCUSED;
    return SynthConstants.ENABLED;
return SynthConstants.DISABLED;

return (DataFlavor[]) component.getClientProperty(FLAVORS_CLIENT_PROPERTY);

int size = parent.getComponentCount();
for (int i = 0; i < size; i++) {
    Component child = parent.getComponent(i);
    if (child.isShowing()) {
        if (child.getWidth() < EMPTY_COMPONENT_SIZE || child.getHeight() < EMPTY_COMPONENT_SIZE) {
            Point childLocation = child.getLocationOnScreen();
            Rectangle bounds = new Rectangle();
            bounds.x = childLocation.x;
...

if (childComponentType.isAssignableFrom(component.getClass())) {
    return component;
if (component instanceof Container) {
    Component[] children = ((Container) component).getComponents();
    for (Component child : children) {
        Component childResult = getFirstChildComponentOfType(child, childComponentType);
        if (childResult != null) {
...

Container container = comp.getTopLevelAncestor();
if (container instanceof JFrame) {
    JFrame frame = (JFrame) container;
    return frame.getGlassPane();
} else if (container instanceof JDialog) {
    JDialog dialog = (JDialog) container;
    return dialog.getGlassPane();
} else {
...

Class<?> regionClass = Class.forName("javax.swing.plaf.synth.Region");
Field field = regionClass.getField(regionName);
Object region = field.get(regionClass);
Class<?> styleFactoryClass = styleFactory.getClass();
Method method = styleFactoryClass.getMethod("getStyle", new Class<?>[] { JComponent.class, regionClass });
boolean accessible = method.isAccessible();
method.setAccessible(true);
Object style = method.invoke(styleFactory, component, region);
...

Class<?> regionClass = Class.forName("javax.swing.plaf.synth.Region");
Field field = regionClass.getField(regionName);
Object region = field.get(regionClass);
Class<?> styleFactoryClass = styleFactory.getClass();
Method method = styleFactoryClass.getMethod("getStyle", new Class<?>[] { JComponent.class, regionClass });
boolean accessible = method.isAccessible();
method.setAccessible(true);
Object style = method.invoke(styleFactory, component, region);
...

return comp.getClientProperty(INPUT_HINT_KEY);

Rectangle bounds = comp.getBounds();
Insets ins = comp.getInsets();
if (ins != null) {
    bounds.x += ins.left;
    bounds.y += ins.top;
    bounds.width -= ins.right + ins.left;
    bounds.height -= ins.top + ins.bottom;
return bounds;

final Insets insets = comp.getInsets();
final Rectangle rect = new Rectangle(0, 0, comp.getWidth(), comp.getHeight());
rect.x += insets.left;
rect.y += insets.top;
rect.width -= insets.left + insets.right;
rect.height -= insets.top + insets.bottom;
return rect;