1   /**
2    * Copyright (c) 2000-2008 Liferay, Inc. All rights reserved.
3    *
4    * Permission is hereby granted, free of charge, to any person obtaining a copy
5    * of this software and associated documentation files (the "Software"), to deal
6    * in the Software without restriction, including without limitation the rights
7    * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8    * copies of the Software, and to permit persons to whom the Software is
9    * furnished to do so, subject to the following conditions:
10   *
11   * The above copyright notice and this permission notice shall be included in
12   * all copies or substantial portions of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portal.tools;
24  
25  import com.liferay.portal.image.ImageProcessorImpl;
26  import com.liferay.portal.kernel.image.ImageBag;
27  import com.liferay.portal.kernel.image.ImageProcessor;
28  import com.liferay.portal.kernel.util.GetterUtil;
29  
30  import java.awt.image.RenderedImage;
31  
32  import java.io.File;
33  
34  import javax.imageio.ImageIO;
35  
36  /**
37   * <a href="ThumbnailBuilder.java.html"><b><i>View Source</i></b></a>
38   *
39   * @author Brian Wing Shun Chan
40   *
41   */
42  public class ThumbnailBuilder {
43  
44      public static void main(String[] args) {
45          File originalFile = new File(
46              System.getProperty("thumbnail.original.file"));
47          File thumbnailFile = new File(
48              System.getProperty("thumbnail.thumbnail.file"));
49          int height = GetterUtil.getInteger(
50              System.getProperty("thumbnail.height"));
51          int width = GetterUtil.getInteger(
52              System.getProperty("thumbnail.width"));
53          boolean overwrite = GetterUtil.getBoolean(
54              System.getProperty("thumbnail.overwrite"));
55  
56          new ThumbnailBuilder(
57              originalFile, thumbnailFile, height, width, overwrite);
58      }
59  
60      public ThumbnailBuilder(
61          File originalFile, File thumbnailFile, int height, int width,
62          boolean overwrite) {
63  
64          try {
65              if (!originalFile.exists()) {
66                  return;
67              }
68  
69              if (!overwrite) {
70                  if (thumbnailFile.lastModified() >
71                          originalFile.lastModified()) {
72  
73                      return;
74                  }
75              }
76  
77              ImageProcessor imageProcessor = new ImageProcessorImpl();
78  
79              ImageBag imageBag = imageProcessor.read(originalFile);
80  
81              RenderedImage thumbnail = imageProcessor.scale(
82                  imageBag.getRenderedImage(), height, width);
83  
84              ImageIO.write(thumbnail, imageBag.getType(), thumbnailFile);
85          }
86          catch (Exception e) {
87              e.printStackTrace();
88          }
89      }
90  
91  }