Mercurial > hg > digilib-old

annotate servlet/src/main/java/digilib/pdf/PDFFileWorker.java @ 892:ba1eb2d821a2 mvnify

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
rearrange sources to maven directory standard
author robcast
date Tue, 19 Apr 2011 18:44:25 +0200 (2011-04-19)
parents servlet/src/digilib/pdf/PDFFileWorker.java@72662bb585ba
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
555
88ed97d08b97 still refactoring
robcast
parents:
diff changeset
1 /**
88ed97d08b97 still refactoring
robcast
parents:
diff changeset
2 *
88ed97d08b97 still refactoring
robcast
parents:
diff changeset
3 */
557
0885f5ca5b24 more refactoring and rearranging
robcast
parents: 556
diff changeset
4 package digilib.pdf;
555
88ed97d08b97 still refactoring
robcast
parents:
diff changeset
5
88ed97d08b97 still refactoring
robcast
parents:
diff changeset
6 import java.io.File;
556
5cc180bb0a5c pdf generation closer to working...
robcast
parents: 555
diff changeset
7 import java.io.FileNotFoundException;
5cc180bb0a5c pdf generation closer to working...
robcast
parents: 555
diff changeset
8 import java.io.FileOutputStream;
5cc180bb0a5c pdf generation closer to working...
robcast
parents: 555
diff changeset
9 import java.io.OutputStream;
555
88ed97d08b97 still refactoring
robcast
parents:
diff changeset
10 import java.util.concurrent.Callable;
88ed97d08b97 still refactoring
robcast
parents:
diff changeset
11
556
5cc180bb0a5c pdf generation closer to working...
robcast
parents: 555
diff changeset
12 import digilib.image.DocuImage;
557
0885f5ca5b24 more refactoring and rearranging
robcast
parents: 556
diff changeset
13 import digilib.servlet.DigilibConfiguration;
0885f5ca5b24 more refactoring and rearranging
robcast
parents: 556
diff changeset
14 import digilib.servlet.PDFRequest;
0885f5ca5b24 more refactoring and rearranging
robcast
parents: 556
diff changeset
15 import digilib.util.DigilibJobCenter;
556
5cc180bb0a5c pdf generation closer to working...
robcast
parents: 555
diff changeset
16
555
88ed97d08b97 still refactoring
robcast
parents:
diff changeset
17 /**
88ed97d08b97 still refactoring
robcast
parents:
diff changeset
18 * @author casties
88ed97d08b97 still refactoring
robcast
parents:
diff changeset
19 *
88ed97d08b97 still refactoring
robcast
parents:
diff changeset
20 */
88ed97d08b97 still refactoring
robcast
parents:
diff changeset
21 public class PDFFileWorker implements Callable<File> {
556
5cc180bb0a5c pdf generation closer to working...
robcast
parents: 555
diff changeset
22 /** the wrapped PDFStreamWorker */
555
88ed97d08b97 still refactoring
robcast
parents:
diff changeset
23 protected PDFStreamWorker streamWorker;
556
5cc180bb0a5c pdf generation closer to working...
robcast
parents: 555
diff changeset
24
5cc180bb0a5c pdf generation closer to working...
robcast
parents: 555
diff changeset
25 /** the temporary output file */
5cc180bb0a5c pdf generation closer to working...
robcast
parents: 555
diff changeset
26 protected File tempFile;
555
88ed97d08b97 still refactoring
robcast
parents:
diff changeset
27
556
5cc180bb0a5c pdf generation closer to working...
robcast
parents: 555
diff changeset
28 /** the final output file */
5cc180bb0a5c pdf generation closer to working...
robcast
parents: 555
diff changeset
29 protected File finalFile;
5cc180bb0a5c pdf generation closer to working...
robcast
parents: 555
diff changeset
30
5cc180bb0a5c pdf generation closer to working...
robcast
parents: 555
diff changeset
31 /** Create new PDFFileWorker.
5cc180bb0a5c pdf generation closer to working...
robcast
parents: 555
diff changeset
32 * @param dlConfig
5cc180bb0a5c pdf generation closer to working...
robcast
parents: 555
diff changeset
33 * @param tempFile
5cc180bb0a5c pdf generation closer to working...
robcast
parents: 555
diff changeset
34 * @param job_info
5cc180bb0a5c pdf generation closer to working...
robcast
parents: 555
diff changeset
35 * @param imageJobCenter
5cc180bb0a5c pdf generation closer to working...
robcast
parents: 555
diff changeset
36 * @throws FileNotFoundException
5cc180bb0a5c pdf generation closer to working...
robcast
parents: 555
diff changeset
37 */
5cc180bb0a5c pdf generation closer to working...
robcast
parents: 555
diff changeset
38 public PDFFileWorker(DigilibConfiguration dlConfig,
5cc180bb0a5c pdf generation closer to working...
robcast
parents: 555
diff changeset
39 File tempFile, File finalFile,
557
0885f5ca5b24 more refactoring and rearranging
robcast
parents: 556
diff changeset
40 PDFRequest job_info,
556
5cc180bb0a5c pdf generation closer to working...
robcast
parents: 555
diff changeset
41 DigilibJobCenter<DocuImage> imageJobCenter) throws FileNotFoundException {
557
0885f5ca5b24 more refactoring and rearranging
robcast
parents: 556
diff changeset
42 this.tempFile = tempFile;
556
5cc180bb0a5c pdf generation closer to working...
robcast
parents: 555
diff changeset
43 OutputStream outstream = new FileOutputStream(tempFile);
5cc180bb0a5c pdf generation closer to working...
robcast
parents: 555
diff changeset
44 this.finalFile = finalFile;
5cc180bb0a5c pdf generation closer to working...
robcast
parents: 555
diff changeset
45 this.streamWorker = new PDFStreamWorker(dlConfig, outstream, job_info, imageJobCenter);
5cc180bb0a5c pdf generation closer to working...
robcast
parents: 555
diff changeset
46 }
5cc180bb0a5c pdf generation closer to working...
robcast
parents: 555
diff changeset
47
555
88ed97d08b97 still refactoring
robcast
parents:
diff changeset
48 public File call() throws Exception {
801
72662bb585ba remove all ServletOutputStream.flush(). (stupid me ;-)
robcast
parents: 570
diff changeset
49 OutputStream outstream = null;
72662bb585ba remove all ServletOutputStream.flush(). (stupid me ;-)
robcast
parents: 570
diff changeset
50 try {
72662bb585ba remove all ServletOutputStream.flush(). (stupid me ;-)
robcast
parents: 570
diff changeset
51 outstream = streamWorker.call();
72662bb585ba remove all ServletOutputStream.flush(). (stupid me ;-)
robcast
parents: 570
diff changeset
52 outstream.flush();
72662bb585ba remove all ServletOutputStream.flush(). (stupid me ;-)
robcast
parents: 570
diff changeset
53 outstream.close();
72662bb585ba remove all ServletOutputStream.flush(). (stupid me ;-)
robcast
parents: 570
diff changeset
54 // move temporary to final file
72662bb585ba remove all ServletOutputStream.flush(). (stupid me ;-)
robcast
parents: 570
diff changeset
55 tempFile.renameTo(finalFile);
72662bb585ba remove all ServletOutputStream.flush(). (stupid me ;-)
robcast
parents: 570
diff changeset
56 } finally {
72662bb585ba remove all ServletOutputStream.flush(). (stupid me ;-)
robcast
parents: 570
diff changeset
57 if (outstream != null) {
72662bb585ba remove all ServletOutputStream.flush(). (stupid me ;-)
robcast
parents: 570
diff changeset
58 outstream.close();
72662bb585ba remove all ServletOutputStream.flush(). (stupid me ;-)
robcast
parents: 570
diff changeset
59 }
72662bb585ba remove all ServletOutputStream.flush(). (stupid me ;-)
robcast
parents: 570
diff changeset
60 }
556
5cc180bb0a5c pdf generation closer to working...
robcast
parents: 555
diff changeset
61 return finalFile;
555
88ed97d08b97 still refactoring
robcast
parents:
diff changeset
62 }
88ed97d08b97 still refactoring
robcast
parents:
diff changeset
63
88ed97d08b97 still refactoring
robcast
parents:
diff changeset
64
88ed97d08b97 still refactoring
robcast
parents:
diff changeset
65 }