CellRenderers.java

package org.andork.swing;

import java.awt.Component;
import java.util.function.Function;

import javax.swing.JList;
import javax.swing.ListCellRenderer;

public class CellRenderers {
	public static <E> ListCellRenderer<E> map(Function<? super E, ? extends E> valueFn,
			ListCellRenderer<? super E> renderer) {
		return new ListCellRenderer<E>() {
			@Override
			public Component getListCellRendererComponent(JList<? extends E> list, E value, int index,
					boolean isSelected, boolean cellHasFocus) {
				return renderer.getListCellRendererComponent(list, valueFn.apply(value), index, isSelected,
						cellHasFocus);
			}
		};
	}
}