Mercurial > dive4elements > framework
annotate artifact-database/src/main/java/de/intevation/artifactdatabase/DefaultArtifactSerializer.java @ 78:55eefe63a777
Repaired the javadoc stuff for almost all artifact interfaces.
artifacts/trunk@760 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Thu, 11 Mar 2010 10:53:59 +0000 |
parents | 48d1a9a082c2 |
children | 0f48188a6e02 |
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1 package de.intevation.artifactdatabase; |
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2 |
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3 import de.intevation.artifacts.Artifact; |
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4 import de.intevation.artifacts.ArtifactSerializer; |
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5 |
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6 import java.io.InputStream; |
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7 import java.io.IOException; |
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8 import java.io.OutputStream; |
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9 import java.io.ObjectInputStream; |
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10 import java.io.ObjectOutputStream; |
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11 import java.io.ByteArrayOutputStream; |
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12 import java.io.ByteArrayInputStream; |
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13 |
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14 import java.util.zip.GZIPOutputStream; |
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15 import java.util.zip.GZIPInputStream; |
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16 |
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17 import org.apache.log4j.Logger; |
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18 |
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19 /** |
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Bring @author javadoc tags in form '@author <a href="john.doe@example.com">John Doe</a>'
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41
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20 * @author <a href="mailto:sascha.teichmann@intevation.de">Sascha L. Teichmann</a> |
41
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21 */ |
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22 public class DefaultArtifactSerializer |
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23 implements ArtifactSerializer |
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24 { |
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25 private static Logger logger = |
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26 Logger.getLogger(DefaultArtifactSerializer.class); |
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27 |
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28 public static final ArtifactSerializer INSTANCE = |
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29 new DefaultArtifactSerializer(); |
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30 |
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31 public DefaultArtifactSerializer() { |
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32 } |
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33 |
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34 public Artifact fromBytes(byte [] bytes) { |
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35 |
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36 if (bytes == null) { |
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37 return null; |
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38 } |
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39 |
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40 ObjectInputStream ois = null; |
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41 |
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42 try { |
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43 ByteArrayInputStream bis = new ByteArrayInputStream(bytes); |
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44 GZIPInputStream gis = new GZIPInputStream(bis); |
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45 ois = getObjectInputStream(gis); |
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46 |
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47 return (Artifact)ois.readObject(); |
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48 } |
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49 catch (IOException ioe) { |
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50 logger.error(ioe.getLocalizedMessage(), ioe); |
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51 } |
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52 catch (ClassNotFoundException cnfe) { |
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53 logger.error(cnfe.getLocalizedMessage(), cnfe); |
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54 } |
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55 catch (ClassCastException cce) { |
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56 logger.error(cce.getLocalizedMessage(), cce); |
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57 } |
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58 finally { |
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59 if (ois != null) { |
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60 try { ois.close(); } |
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61 catch (IOException ioe) { } |
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62 } |
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63 } |
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64 |
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65 return null; |
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66 } |
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67 |
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68 public byte [] toBytes(Artifact artifact) { |
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69 try { |
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70 ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
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71 GZIPOutputStream gos = new GZIPOutputStream(bos); |
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72 ObjectOutputStream oos = getObjectOutputStream(gos); |
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73 |
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74 oos.writeObject(artifact); |
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75 oos.flush(); |
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76 oos.close(); |
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77 |
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78 return bos.toByteArray(); |
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79 } |
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80 catch (IOException ioe) { |
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81 logger.error(ioe.getLocalizedMessage(), ioe); |
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82 throw new RuntimeException(ioe); |
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83 } |
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84 } |
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85 |
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86 protected ObjectInputStream getObjectInputStream(InputStream is) |
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87 throws IOException |
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88 { |
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89 return new ObjectInputStream(is); |
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90 } |
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91 |
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92 protected ObjectOutputStream getObjectOutputStream(OutputStream os) |
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93 throws IOException |
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94 { |
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95 return new ObjectOutputStream(os); |
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96 } |
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97 } |
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98 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8: |