Here you can find the source of setIconImage(JFrame frame, Class> clazz, String path)
public static void setIconImage(JFrame frame, Class<?> clazz, String path)
//package com.java2s; /*//from w ww . j av a 2s. co m * Six2Five * Copyright (C) sk89q <http://www.sk89q.com> * * This program is free software: you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ import com.google.common.io.Closer; import javax.imageio.ImageIO; import javax.swing.*; import java.awt.image.BufferedImage; import java.io.IOException; import java.io.InputStream; public class Main { public static void setIconImage(JFrame frame, Class<?> clazz, String path) { BufferedImage image = readIconImage(clazz, path); if (image != null) { frame.setIconImage(image); } } public static BufferedImage readIconImage(Class<?> clazz, String path) { Closer closer = Closer.create(); try { try { InputStream in = closer.register(clazz.getResourceAsStream(path)); if (in != null) { return ImageIO.read(in); } } finally { closer.close(); } } catch (IOException ignored) { } return null; } }