Coverage report

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ca.spaz.util.ImageFactory
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 1   
 /*
 2   
  *******************************************************************************
 3   
  * Copyright (c) 2005 Chris Rose and AIMedia
 4   
  * All rights reserved. ImageFactory and the accompanying materials
 5   
  * are made available under the terms of the Common Public License v1.0
 6   
  * which accompanies this distribution, and is available at
 7   
  * http://www.eclipse.org/legal/cpl-v10.html
 8   
  *
 9   
  * Contributors:
 10   
  *     Chris Rose
 11   
  *******************************************************************************/
 12   
 package ca.spaz.util;
 13   
 
 14   
 import java.awt.*;
 15   
 import java.net.URL;
 16   
 import java.util.*;
 17   
 
 18   
 import ca.spaz.cron.CRONConfiguration;
 19   
 
 20   
 /**
 21   
  * A class for manufacturing images from the resource path.
 22   
  * @author Chris Rose
 23   
  */
 24   
 public class ImageFactory {
 25   
 
 26  0 
    private static ImageFactory instance = null;
 27   
    private int cacheSize;
 28   
    private Map imageCache;
 29   
 
 30  0 
    private ImageFactory() {
 31  0 
       String cacheValue = CRONConfiguration.getInstance().getProperty("cron.imagecache.size", "10");
 32  0 
       int cacheSz = 0;
 33   
       try {
 34  0 
          cacheSz = Integer.parseInt(cacheValue);
 35  0 
       } catch (NumberFormatException e) {
 36  0 
          cacheSz = 10;
 37  0 
          e.printStackTrace();
 38  0 
       }
 39  0 
       this.cacheSize = cacheSz;
 40  0 
       this.imageCache = new CacheMap(cacheSize);
 41  0 
    }
 42   
 
 43   
    public static final ImageFactory getInstance() {
 44  0 
       if (null == instance) {
 45  0 
          instance = new ImageFactory();
 46   
       }
 47  0 
       return instance;
 48   
    }
 49   
 
 50   
    public Image loadImage(URL url) {
 51  0 
       Image ret = null;
 52  0 
       if (imageCache.containsKey(url)) {
 53  0 
          ret = (Image) imageCache.get(url);
 54  0 
       } else {
 55  0 
          ret = Toolkit.getDefaultToolkit().createImage(url);
 56  0 
          if (ret != null) {
 57  0 
             imageCache.put(url, ret);
 58   
          }
 59   
       }
 60  0 
       return ret;
 61   
    }
 62   
 
 63   
    public Image loadImage(String resourceID) {
 64  0 
       return loadImage(resourceID, this);
 65   
    }
 66   
 
 67   
    public Image loadImage(String resourceID, Object source) {
 68  0 
       Class base = null;
 69  0 
       if (null == source) {
 70  0 
          base = this.getClass();
 71  0 
       } else {
 72  0 
          base = source.getClass();
 73   
       }
 74  0 
       URL url = base.getResource(resourceID);
 75  0 
       Image ret = null;
 76  0 
       if (url == null) {
 77  0 
          url = this.getClass().getResource(resourceID);
 78  0 
          if (url == null) {
 79  0 
             throw new IllegalArgumentException(resourceID + " is not a valid resource identifier");
 80   
          }
 81   
       }
 82  0 
       ret = loadImage(url);
 83  0 
       return ret;
 84   
    }
 85   
 
 86   
 }

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