Mercurial > dive4elements > river
annotate flys-backend/src/main/java/de/intevation/flys/importer/Importer.java @ 180:3908bfb2aa43
Store imported rivers into database. Needs testing!
flys-backend/trunk@1488 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Wed, 16 Mar 2011 18:23:45 +0000 |
parents | 31895d24387e |
children | 1c0afb01bc93 |
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1 package de.intevation.flys.importer; |
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2 |
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3 import java.io.File; |
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4 import java.io.IOException; |
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5 |
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6 import java.util.List; |
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7 |
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8 import org.apache.log4j.Logger; |
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10 import org.hibernate.SessionFactory; |
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11 import org.hibernate.Session; |
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12 import org.hibernate.Transaction; |
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13 import org.hibernate.Query; |
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14 |
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15 import de.intevation.flys.backend.SessionFactoryProvider; |
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16 |
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17 import de.intevation.flys.model.River; |
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18 |
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19 public class Importer |
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20 { |
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21 private static Logger log = Logger.getLogger(Importer.class); |
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22 |
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23 protected List<ImportRiver> rivers; |
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24 |
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25 protected Session session; |
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26 |
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27 public Importer() { |
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28 } |
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29 |
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30 public Importer(List<ImportRiver> rivers) { |
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31 this.rivers = rivers; |
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32 } |
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33 |
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34 public List<ImportRiver> getRivers() { |
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35 return rivers; |
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36 } |
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37 |
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38 public void setRivers(List<ImportRiver> rivers) { |
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39 this.rivers = rivers; |
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40 } |
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41 |
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42 public void writeRivers() { |
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43 Query query = session.createQuery("select River where name=:name"); |
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44 for (ImportRiver iriver: rivers) { |
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45 query.setString("name", iriver.getName()); |
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46 List<River> dbrivers = (List<River>)query.list(); |
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47 if (dbrivers.isEmpty()) { |
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48 River dbriver = new River(iriver.getName()); |
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49 session.save(dbriver); |
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50 } |
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51 } |
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52 } |
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53 |
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54 public void writeToDatabase() { |
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55 SessionFactory sessionFactory = |
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56 SessionFactoryProvider.createSessionFactory(); |
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57 |
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58 session = sessionFactory.openSession(); |
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59 Transaction tx = null; |
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60 |
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61 try { |
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62 tx = session.beginTransaction(); |
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63 |
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64 writeRivers(); |
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65 |
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66 tx.commit(); |
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67 } |
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68 catch (RuntimeException re) { |
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69 if (tx != null) { |
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70 tx.rollback(); |
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71 } |
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72 throw re; |
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73 } |
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74 finally { |
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75 if (session != null) { |
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76 session.close(); |
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77 session = null; |
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78 } |
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79 } |
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80 } |
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81 |
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82 public static void main(String [] args) { |
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83 |
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84 InfoGewParser infoGewParser = new InfoGewParser(); |
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85 |
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86 for (String gew: args) { |
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87 log.info("parsing info gew file: " + gew); |
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88 try { |
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89 infoGewParser.parse(new File(gew)); |
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90 } |
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91 catch (IOException ioe) { |
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92 log.error("cannot while parsing: " + gew); |
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93 } |
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94 } |
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95 |
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96 new Importer(infoGewParser.getRivers()).writeToDatabase(); |
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97 } |
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98 } |
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99 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |