Here you can find the source of createImageIcon(ClassLoader classloader, String path, String description)
public static ImageIcon createImageIcon(ClassLoader classloader, String path, String description)
//package com.java2s; /*//from w ww . j a va 2 s . c om * Copyright 2005 Stephen J. McConnell. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or * implied. * * See the License for the specific language governing permissions and * limitations under the License. */ import java.net.URL; import javax.swing.ImageIcon; public class Main { public static ImageIcon createImageIcon(ClassLoader classloader, String path, String description) { URL url = classloader.getResource(path); if (null != url) { return new ImageIcon(url); } else { final String error = "Supplied image icon resource path is unknown [" + path + "]."; throw new IllegalArgumentException(error); } } }