Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/artifacts/context/GNVArtifactContextFactory.java @ 52:4d6a82b96059

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First Implementation of the GNV-Artifacts gnv-artifacts/trunk@32 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Tim Englich <tim.englich@intevation.de>
date Mon, 07 Sep 2009 15:29:24 +0000
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children bb45c5097cb6
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52
4d6a82b96059 First Implementation of the GNV-Artifacts
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1 /**
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2 *
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3 */
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4 package de.intevation.gnv.artifacts.context;
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5
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6 import java.io.FileInputStream;
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7 import java.io.FileNotFoundException;
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8 import java.io.IOException;
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9 import java.io.InputStream;
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10 import java.util.Properties;
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11
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12 import org.apache.log4j.Logger;
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13 import org.w3c.dom.Document;
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14
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15 import de.intevation.artifactdatabase.Config;
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16 import de.intevation.artifacts.ArtifactContextFactory;
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17 import de.intevation.gnv.geobackend.base.connectionpool.ConnectionPoolFactory;
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18 import de.intevation.gnv.geobackend.base.query.container.QueryContainerFactory;
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19 import de.intevation.gnv.geobackend.base.query.container.exception.QueryContainerException;
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20
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21 /**
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22 * @author Tim Englich <tim.englich@intevation.de>
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23 *
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24 */
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25 public class GNVArtifactContextFactory implements ArtifactContextFactory {
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26 /**
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27 * the logger, used to log exceptions and additonaly information
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28 */
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29 private static Logger log = Logger.getLogger(GNVArtifactContext.class);
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30
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31 public static final String XPATH_GEOBACKEND_CONFIGURATION= "artifact-database/geo-backend/backend-configuration";
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32
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33 public static final String XPATH_GEOBACKEND_QUERYCONFIGURATION= "artifact-database/geo-backend/query-configuration";
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34
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35 /**
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36 * Constructor
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37 */
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38 public GNVArtifactContextFactory() {
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39 super();
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40 log.debug("GNVArtifactContextFactory.Constructor");
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41 }
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42
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43 /**
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44 * @see de.intevation.artifacts.ArtifactContextFactory#createArtifactContext(org.w3c.dom.Document)
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45 */
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46 public Object createArtifactContext(Document config) {
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47 Object returnValue = null;
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48 try {
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49 log.debug("GNVArtifactContextFactory.createArtifactContext");
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50 log.info("Initialisation of the Geo-BackendConnectionPool");
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51 String backendConfigurationFile = Config.getStringXPath(config, XPATH_GEOBACKEND_CONFIGURATION);
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52 Properties properties = getProperties(backendConfigurationFile);
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53 ConnectionPoolFactory cpf = ConnectionPoolFactory.getInstance();
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54 cpf.initializeConnectionPool(properties);
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55
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56 log.info("Initialisation of the QueryContainer");
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57 String queryConfigurationFile = Config.getStringXPath(config, XPATH_GEOBACKEND_QUERYCONFIGURATION);
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58 Properties queryProperties = getProperties(queryConfigurationFile);
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59 QueryContainerFactory qcf = QueryContainerFactory.getInstance();
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60 qcf.initializeQueryContainer(queryProperties);
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61
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62 returnValue = new GNVArtifactContext(config);
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63 } catch (FileNotFoundException e) {
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64 log.error(e,e);
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65 } catch (IOException e) {
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66 log.error(e,e);
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67 } catch (QueryContainerException e){
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68 log.error(e,e);
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69 }
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70 return returnValue;
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71 }
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72
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73 /**
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74 * @param filePath
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75 * @return
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76 * @throws FileNotFoundException
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77 * @throws IOException
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78 */
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79 private Properties getProperties(String filePath)
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80 throws FileNotFoundException, IOException {
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81 InputStream inputStream = new FileInputStream(filePath);
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82 Properties properties = new Properties();
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83 properties.load(inputStream);
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84 return properties;
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85 }
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86 }
http://dive4elements.wald.intevation.org