Mercurial > dive4elements > gnv-client
comparison gnv-artifacts/src/main/java/de/intevation/gnv/artifacts/context/GNVArtifactContextFactory.java @ 52:4d6a82b96059
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 |
| parents | |
| children | bb45c5097cb6 |
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| 51:71788b63b146 | 52:4d6a82b96059 |
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| 1 /** | |
| 2 * | |
| 3 */ | |
| 4 package de.intevation.gnv.artifacts.context; | |
| 5 | |
| 6 import java.io.FileInputStream; | |
| 7 import java.io.FileNotFoundException; | |
| 8 import java.io.IOException; | |
| 9 import java.io.InputStream; | |
| 10 import java.util.Properties; | |
| 11 | |
| 12 import org.apache.log4j.Logger; | |
| 13 import org.w3c.dom.Document; | |
| 14 | |
| 15 import de.intevation.artifactdatabase.Config; | |
| 16 import de.intevation.artifacts.ArtifactContextFactory; | |
| 17 import de.intevation.gnv.geobackend.base.connectionpool.ConnectionPoolFactory; | |
| 18 import de.intevation.gnv.geobackend.base.query.container.QueryContainerFactory; | |
| 19 import de.intevation.gnv.geobackend.base.query.container.exception.QueryContainerException; | |
| 20 | |
| 21 /** | |
| 22 * @author Tim Englich <tim.englich@intevation.de> | |
| 23 * | |
| 24 */ | |
| 25 public class GNVArtifactContextFactory implements ArtifactContextFactory { | |
| 26 /** | |
| 27 * the logger, used to log exceptions and additonaly information | |
| 28 */ | |
| 29 private static Logger log = Logger.getLogger(GNVArtifactContext.class); | |
| 30 | |
| 31 public static final String XPATH_GEOBACKEND_CONFIGURATION= "artifact-database/geo-backend/backend-configuration"; | |
| 32 | |
| 33 public static final String XPATH_GEOBACKEND_QUERYCONFIGURATION= "artifact-database/geo-backend/query-configuration"; | |
| 34 | |
| 35 /** | |
| 36 * Constructor | |
| 37 */ | |
| 38 public GNVArtifactContextFactory() { | |
| 39 super(); | |
| 40 log.debug("GNVArtifactContextFactory.Constructor"); | |
| 41 } | |
| 42 | |
| 43 /** | |
| 44 * @see de.intevation.artifacts.ArtifactContextFactory#createArtifactContext(org.w3c.dom.Document) | |
| 45 */ | |
| 46 public Object createArtifactContext(Document config) { | |
| 47 Object returnValue = null; | |
| 48 try { | |
| 49 log.debug("GNVArtifactContextFactory.createArtifactContext"); | |
| 50 log.info("Initialisation of the Geo-BackendConnectionPool"); | |
| 51 String backendConfigurationFile = Config.getStringXPath(config, XPATH_GEOBACKEND_CONFIGURATION); | |
| 52 Properties properties = getProperties(backendConfigurationFile); | |
| 53 ConnectionPoolFactory cpf = ConnectionPoolFactory.getInstance(); | |
| 54 cpf.initializeConnectionPool(properties); | |
| 55 | |
| 56 log.info("Initialisation of the QueryContainer"); | |
| 57 String queryConfigurationFile = Config.getStringXPath(config, XPATH_GEOBACKEND_QUERYCONFIGURATION); | |
| 58 Properties queryProperties = getProperties(queryConfigurationFile); | |
| 59 QueryContainerFactory qcf = QueryContainerFactory.getInstance(); | |
| 60 qcf.initializeQueryContainer(queryProperties); | |
| 61 | |
| 62 returnValue = new GNVArtifactContext(config); | |
| 63 } catch (FileNotFoundException e) { | |
| 64 log.error(e,e); | |
| 65 } catch (IOException e) { | |
| 66 log.error(e,e); | |
| 67 } catch (QueryContainerException e){ | |
| 68 log.error(e,e); | |
| 69 } | |
| 70 return returnValue; | |
| 71 } | |
| 72 | |
| 73 /** | |
| 74 * @param filePath | |
| 75 * @return | |
| 76 * @throws FileNotFoundException | |
| 77 * @throws IOException | |
| 78 */ | |
| 79 private Properties getProperties(String filePath) | |
| 80 throws FileNotFoundException, IOException { | |
| 81 InputStream inputStream = new FileInputStream(filePath); | |
| 82 Properties properties = new Properties(); | |
| 83 properties.load(inputStream); | |
| 84 return properties; | |
| 85 } | |
| 86 } |