1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * The contents of this file are subject to the terms of the Liferay Enterprise
5    * Subscription License ("License"). You may not use this file except in
6    * compliance with the License. You can obtain a copy of the License by
7    * contacting Liferay, Inc. See the License for the specific language governing
8    * permissions and limitations under the License, including but not limited to
9    * distribution rights of the Software.
10   *
11   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
12   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
14   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
15   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
16   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
17   * SOFTWARE.
18   */
19  
20  package com.liferay.portal.tools;
21  
22  import com.liferay.portal.image.ImageProcessorImpl;
23  import com.liferay.portal.kernel.image.ImageBag;
24  import com.liferay.portal.kernel.util.GetterUtil;
25  
26  import java.awt.image.RenderedImage;
27  
28  import java.io.File;
29  
30  import javax.imageio.ImageIO;
31  
32  /**
33   * <a href="ThumbnailBuilder.java.html"><b><i>View Source</i></b></a>
34   *
35   * @author Brian Wing Shun Chan
36   *
37   */
38  public class ThumbnailBuilder {
39  
40      public static void main(String[] args) {
41          File originalFile = new File(
42              System.getProperty("thumbnail.original.file"));
43          File thumbnailFile = new File(
44              System.getProperty("thumbnail.thumbnail.file"));
45          int height = GetterUtil.getInteger(
46              System.getProperty("thumbnail.height"));
47          int width = GetterUtil.getInteger(
48              System.getProperty("thumbnail.width"));
49          boolean overwrite = GetterUtil.getBoolean(
50              System.getProperty("thumbnail.overwrite"));
51  
52          new ThumbnailBuilder(
53              originalFile, thumbnailFile, height, width, overwrite);
54      }
55  
56      public ThumbnailBuilder(
57          File originalFile, File thumbnailFile, int height, int width,
58          boolean overwrite) {
59  
60          try {
61              if (!originalFile.exists()) {
62                  return;
63              }
64  
65              if (!overwrite) {
66                  if (thumbnailFile.lastModified() >
67                          originalFile.lastModified()) {
68  
69                      return;
70                  }
71              }
72  
73              ImageBag imageBag = _imageProcessorUtil.read(originalFile);
74  
75              RenderedImage thumbnail = _imageProcessorUtil.scale(
76                  imageBag.getRenderedImage(), height, width);
77  
78              ImageIO.write(thumbnail, imageBag.getType(), thumbnailFile);
79          }
80          catch (Exception e) {
81              e.printStackTrace();
82          }
83      }
84  
85      private static ImageProcessorImpl _imageProcessorUtil =
86          ImageProcessorImpl.getInstance();
87  
88  }