Here you can find the source of waitFor(Image image)
public static Image waitFor(Image image)
//package com.java2s; /**// w ww .j a va2 s .c o m * RSS framework and reader * Copyright (C) 2004 Christian Robert * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ import java.awt.Component; import java.awt.Image; import java.awt.MediaTracker; import javax.swing.JLabel; public class Main { private static final Component DUMMY_COMP = new JLabel(); /** * Wait until the image has been loaded completely */ public static Image waitFor(Image image) { try { MediaTracker tracker = new MediaTracker(DUMMY_COMP); tracker.addImage(image, 0); tracker.waitForAll(); } catch (InterruptedException e) { // Do nothing } return image; } }