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jBiDiB BiDiB Wizard POM

There is a newer version: 2.0.0-M1

package org.bidib.wizard.mvc.common.view;

import java.awt.Component;
import java.awt.Container;
import java.util.ArrayList;
import java.util.List;

import javax.swing.JComponent;

public class ComponentUtils {

    public static  List harvestComponents(Container c, Class clazz) {
        List jLabels = new ArrayList();
        harvestComponents(c, clazz, jLabels);
        return jLabels;
    }

    public static  void harvestComponents(Container c, Class clazz, List l) {
        Component[] components = c.getComponents();
        for (Component com : components) {
            if (clazz.isAssignableFrom(com.getClass())) {
                l.add((T) com);
            }
            else if (com instanceof Container) {
                harvestComponents((Container) com, clazz, l);
            }
        }
    }

    /**
     * Find the first component of the specified class in the container.
     * 
     * @param c
     *            the container
     * @param clazz
     *            the class
     * @return the first found component or null if none was found
     */
    public static  T harvestComponent(Container c, Class clazz) {
        Component[] components = c.getComponents();
        for (Component com : components) {
            if (clazz.isAssignableFrom(com.getClass())) {
                return ((T) com);
            }
            else if (com instanceof Container) {
                T result = harvestComponent((Container) com, clazz);
                if (result != null) {
                    return result;
                }
            }
        }
        return null;
    }
}