1 /*
   2  * Copyright (c) 2007, 2017, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 package org.jemmy.image;
  24 
  25 
  26 import org.jemmy.env.Environment;
  27 
  28 
  29 /**
  30  * ImageLoader implementation which is able to load images through
  31  * a given classloader.
  32  * @author mrkam, shura
  33  */
  34 public class ClasspathImageLoader implements ImageLoader {
  35 
  36     private volatile String packagePrefix = "";
  37     private volatile ClassLoader classLoader = getClassLoader();
  38 
  39     public static final String OUTPUT = AWTImage.class.getName() + ".OUTPUT";
  40 
  41     /**
  42      * Get the value of classLoader which is used to load images.
  43      *
  44      * @return the value of classLoader
  45      */
  46     public ClassLoader getClassLoader() {
  47         return classLoader;
  48     }
  49 
  50     /**
  51      * {@inheritDoc}
  52      */
  53     public Image load(String ID) {
  54         String fullId = ((packagePrefix != null) ? packagePrefix : "") + ID;
  55         Environment.getEnvironment().getOutput(ClasspathImageLoader.OUTPUT).println("Image loaded from " + fullId + " by " + classLoader);
  56         return new AWTImage(PNGDecoder.decode(classLoader, fullId));
  57     }
  58 
  59     /**
  60      * Set the value of classLoader
  61      *
  62      * @param classLoader new value of classLoader
  63      */
  64     public void setClassLoader(ClassLoader classLoader) {
  65         this.classLoader = classLoader;
  66     }
  67 
  68     /**
  69      * TODO: Add JavaDoc
  70      * @param rootPackage
  71      */
  72     public void setRootPackage(Package rootPackage) {
  73         if (rootPackage != null) {
  74             this.packagePrefix = rootPackage.getName().replace('.', '/') + "/";
  75         } else {
  76             this.packagePrefix = null;
  77         }
  78     }
  79 
  80 }