Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/artifacts/context/GNVArtifactContextFactory.java @ 99:bb45c5097cb6

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ehcache Integration for storing the chartresultvalues gnv-artifacts/trunk@146 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Tim Englich <tim.englich@intevation.de>
date Mon, 28 Sep 2009 14:17:15 +0000
parents 4d6a82b96059
children 7fb9441dd8af
rev   line source
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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.artifacts.cache.CacheFactory;
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18 import de.intevation.gnv.geobackend.base.connectionpool.ConnectionPoolFactory;
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19 import de.intevation.gnv.geobackend.base.query.container.QueryContainerFactory;
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20 import de.intevation.gnv.geobackend.base.query.container.exception.QueryContainerException;
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21
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22 /**
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23 * @author Tim Englich <tim.englich@intevation.de>
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24 *
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25 */
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26 public class GNVArtifactContextFactory implements ArtifactContextFactory {
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27 /**
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28 * the logger, used to log exceptions and additonaly information
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29 */
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30 private static Logger log = Logger.getLogger(GNVArtifactContext.class);
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31
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32 public static final String XPATH_GEOBACKEND_CONFIGURATION= "artifact-database/geo-backend/backend-configuration";
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33
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34 public static final String XPATH_GEOBACKEND_QUERYCONFIGURATION= "artifact-database/geo-backend/query-configuration";
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35
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36 private final static String CACHECONFIGNODEPATH = "/artifact-database/ehcache/configuration";
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37
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38 /**
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39 * Constructor
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40 */
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41 public GNVArtifactContextFactory() {
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42 super();
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43 log.debug("GNVArtifactContextFactory.Constructor");
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44 }
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45
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46 /**
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47 * @see de.intevation.artifacts.ArtifactContextFactory#createArtifactContext(org.w3c.dom.Document)
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48 */
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49 public Object createArtifactContext(Document config) {
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50 Object returnValue = null;
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51 try {
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52 log.debug("GNVArtifactContextFactory.createArtifactContext");
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53 log.info("Initialisation of the Geo-BackendConnectionPool");
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54 String backendConfigurationFile = Config.getStringXPath(config, XPATH_GEOBACKEND_CONFIGURATION);
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55 Properties properties = getProperties(backendConfigurationFile);
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56 ConnectionPoolFactory cpf = ConnectionPoolFactory.getInstance();
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57 cpf.initializeConnectionPool(properties);
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58
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59 log.info("Initialisation of the QueryContainer");
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60 String queryConfigurationFile = Config.getStringXPath(config, XPATH_GEOBACKEND_QUERYCONFIGURATION);
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61 Properties queryProperties = getProperties(queryConfigurationFile);
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62 QueryContainerFactory qcf = QueryContainerFactory.getInstance();
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63 qcf.initializeQueryContainer(queryProperties);
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64
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66 log.info("Initialisation of the Cache");
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67 String cacheConfigurationFile = Config.getStringXPath(config, CACHECONFIGNODEPATH);
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68 CacheFactory cf = CacheFactory.getInstance();
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69 cf.initializeCache(cacheConfigurationFile);
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71 returnValue = new GNVArtifactContext(config);
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72 } catch (FileNotFoundException e) {
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73 log.error(e,e);
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74 } catch (IOException e) {
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75 log.error(e,e);
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76 } catch (QueryContainerException e){
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77 log.error(e,e);
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78 }
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79 return returnValue;
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80 }
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81
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82 /**
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83 * @param filePath
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84 * @return
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85 * @throws FileNotFoundException
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86 * @throws IOException
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87 */
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88 private Properties getProperties(String filePath)
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89 throws FileNotFoundException, IOException {
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90 InputStream inputStream = new FileInputStream(filePath);
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91 Properties properties = new Properties();
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92 properties.load(inputStream);
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93 return properties;
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94 }
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95 }
http://dive4elements.wald.intevation.org