1   /**
2    * Copyright (c) 2000-2009 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.util.GetterUtil;
28  
29  import java.awt.image.RenderedImage;
30  
31  import java.io.File;
32  
33  import javax.imageio.ImageIO;
34  
35  /**
36   * <a href="ThumbnailBuilder.java.html"><b><i>View Source</i></b></a>
37   *
38   * @author Brian Wing Shun Chan
39   *
40   */
41  public class ThumbnailBuilder {
42  
43      public static void main(String[] args) {
44          File originalFile = new File(
45              System.getProperty("thumbnail.original.file"));
46          File thumbnailFile = new File(
47              System.getProperty("thumbnail.thumbnail.file"));
48          int height = GetterUtil.getInteger(
49              System.getProperty("thumbnail.height"));
50          int width = GetterUtil.getInteger(
51              System.getProperty("thumbnail.width"));
52          boolean overwrite = GetterUtil.getBoolean(
53              System.getProperty("thumbnail.overwrite"));
54  
55          new ThumbnailBuilder(
56              originalFile, thumbnailFile, height, width, overwrite);
57      }
58  
59      public ThumbnailBuilder(
60          File originalFile, File thumbnailFile, int height, int width,
61          boolean overwrite) {
62  
63          try {
64              if (!originalFile.exists()) {
65                  return;
66              }
67  
68              if (!overwrite) {
69                  if (thumbnailFile.lastModified() >
70                          originalFile.lastModified()) {
71  
72                      return;
73                  }
74              }
75  
76              ImageBag imageBag = _imageProcessorUtil.read(originalFile);
77  
78              RenderedImage thumbnail = _imageProcessorUtil.scale(
79                  imageBag.getRenderedImage(), height, width);
80  
81              ImageIO.write(thumbnail, imageBag.getType(), thumbnailFile);
82          }
83          catch (Exception e) {
84              e.printStackTrace();
85          }
86      }
87  
88      private static ImageProcessorImpl _imageProcessorUtil =
89          ImageProcessorImpl.getInstance();
90  
91  }