Mercurial > dive4elements > gnv-client
diff 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> |
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date | Mon, 07 Sep 2009 15:29:24 +0000 |
parents | |
children | bb45c5097cb6 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gnv-artifacts/src/main/java/de/intevation/gnv/artifacts/context/GNVArtifactContextFactory.java Mon Sep 07 15:29:24 2009 +0000 @@ -0,0 +1,86 @@ +/** + * + */ +package de.intevation.gnv.artifacts.context; + +import java.io.FileInputStream; +import java.io.FileNotFoundException; +import java.io.IOException; +import java.io.InputStream; +import java.util.Properties; + +import org.apache.log4j.Logger; +import org.w3c.dom.Document; + +import de.intevation.artifactdatabase.Config; +import de.intevation.artifacts.ArtifactContextFactory; +import de.intevation.gnv.geobackend.base.connectionpool.ConnectionPoolFactory; +import de.intevation.gnv.geobackend.base.query.container.QueryContainerFactory; +import de.intevation.gnv.geobackend.base.query.container.exception.QueryContainerException; + +/** + * @author Tim Englich <tim.englich@intevation.de> + * + */ +public class GNVArtifactContextFactory implements ArtifactContextFactory { + /** + * the logger, used to log exceptions and additonaly information + */ + private static Logger log = Logger.getLogger(GNVArtifactContext.class); + + public static final String XPATH_GEOBACKEND_CONFIGURATION= "artifact-database/geo-backend/backend-configuration"; + + public static final String XPATH_GEOBACKEND_QUERYCONFIGURATION= "artifact-database/geo-backend/query-configuration"; + + /** + * Constructor + */ + public GNVArtifactContextFactory() { + super(); + log.debug("GNVArtifactContextFactory.Constructor"); + } + + /** + * @see de.intevation.artifacts.ArtifactContextFactory#createArtifactContext(org.w3c.dom.Document) + */ + public Object createArtifactContext(Document config) { + Object returnValue = null; + try { + log.debug("GNVArtifactContextFactory.createArtifactContext"); + log.info("Initialisation of the Geo-BackendConnectionPool"); + String backendConfigurationFile = Config.getStringXPath(config, XPATH_GEOBACKEND_CONFIGURATION); + Properties properties = getProperties(backendConfigurationFile); + ConnectionPoolFactory cpf = ConnectionPoolFactory.getInstance(); + cpf.initializeConnectionPool(properties); + + log.info("Initialisation of the QueryContainer"); + String queryConfigurationFile = Config.getStringXPath(config, XPATH_GEOBACKEND_QUERYCONFIGURATION); + Properties queryProperties = getProperties(queryConfigurationFile); + QueryContainerFactory qcf = QueryContainerFactory.getInstance(); + qcf.initializeQueryContainer(queryProperties); + + returnValue = new GNVArtifactContext(config); + } catch (FileNotFoundException e) { + log.error(e,e); + } catch (IOException e) { + log.error(e,e); + } catch (QueryContainerException e){ + log.error(e,e); + } + return returnValue; + } + + /** + * @param filePath + * @return + * @throws FileNotFoundException + * @throws IOException + */ + private Properties getProperties(String filePath) + throws FileNotFoundException, IOException { + InputStream inputStream = new FileInputStream(filePath); + Properties properties = new Properties(); + properties.load(inputStream); + return properties; + } +}