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1 /**
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2 *
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3 */
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4 package de.mpiwg.itgroup.annotationManager.RDFHandling;
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5
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6 import org.apache.log4j.Logger;
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7 import org.restlet.Context;
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8 import org.restlet.engine.component.ChildContext;
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9
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10 import de.mpiwg.itgroup.annotationManager.Errors.TripleStoreStoreError;
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11 import de.mpiwg.itgroup.triplestoremanager.exceptions.TripleStoreHandlerException;
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12 import de.mpiwg.itgroup.triplestoremanager.owl.TripleStoreHandler;
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13
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14 /**
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15 * @author casties
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16 *
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17 */
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18 public class TripleStoreConnection {
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19
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20 protected static Logger logger = Logger.getRootLogger();
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21
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22 private String user;
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23 private String password;
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24 private String url = "jdbc:virtuoso://virtuoso.mpiwg-berlin.mpg.de:1111";
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25
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26 /**
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27 * Creates TripleStoreConnection with parameters from web context.
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28 */
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29 public TripleStoreConnection() {
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30 ChildContext context = (ChildContext)Context.getCurrent();
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31 user = context.getParameters().getFirstValue("de.mpiwg.itgroup.annotationManager.virtuoso.tripleStoreUser", true);
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32 password = context.getParameters().getFirstValue("de.mpiwg.itgroup.annotationManager.virtuoso.tripleStoreUserPassword", true);
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33 url = context.getParameters().getFirstValue("de.mpiwg.itgroup.annotationManager.virtuoso.tripleStoreConnectionURL", true, url);
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34 }
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35
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36 /**
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37 * @param user
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38 * @param password
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39 * @param url
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40 */
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41 public TripleStoreConnection(String user, String password, String url) {
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42 super();
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43 this.user = user;
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44 this.password = password;
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45 this.url = url;
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46 }
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47
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48 /**
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49 * returns TripleStoreHandler.
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50 *
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51 * @return
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52 * @throws TripleStoreHandlerException
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53 */
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54 public TripleStoreHandler getTripleStoreHandler() throws TripleStoreHandlerException {
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55 if (user == null || password == null || url == null) {
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56 logger.error(String.format("Missing triplestore parameters! (user=%s pw=%s url=%s)", user, password, url));
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57 throw new TripleStoreStoreError();
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58 }
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59 TripleStoreHandler th = new TripleStoreHandler(url, user, password);
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60 return th;
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61 }
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62
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63 /**
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64 * returns new TripleStoreHandler.
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65 *
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66 * uses parameters from web context.
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67 *
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68 * @return
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69 * @throws TripleStoreStoreError
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70 * @throws TripleStoreHandlerException
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71 */
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72 public static TripleStoreHandler newTripleStoreHandler() throws TripleStoreStoreError, TripleStoreHandlerException {
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73 ChildContext context = (ChildContext)Context.getCurrent();
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74 String user = context.getParameters().getFirstValue("de.mpiwg.itgroup.annotationManager.virtuoso.tripleStoreUser");
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75 String password = context.getParameters().getFirstValue("de.mpiwg.itgroup.annotationManager.virtuoso.tripleStoreUserPassword");
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76 String url = context.getParameters().getFirstValue("de.mpiwg.itgroup.annotationManager.virtuoso.tripleStoreConnectionURL");
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77 if (user == null || password == null || url == null) {
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78 logger.error(String.format("Missing triplestore parameters! (user=%s pw=%s url=%s)", user, password, url));
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79 throw new TripleStoreStoreError();
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80 }
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81 TripleStoreHandler th = new TripleStoreHandler(url, user, password);
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82 return th;
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83 }
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84
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85 }
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