tim@52: /**
tim@52:  *
tim@52:  */
tim@52: package de.intevation.gnv.artifacts.context;
tim@52: 
tim@52: import java.io.FileInputStream;
tim@52: import java.io.FileNotFoundException;
tim@52: import java.io.IOException;
tim@52: import java.io.InputStream;
ingo@369: import java.io.File;
ingo@369: 
tim@52: import java.util.Properties;
tim@52: 
tim@52: import org.apache.log4j.Logger;
tim@52: import org.w3c.dom.Document;
tim@52: 
tim@52: import de.intevation.artifactdatabase.Config;
tim@52: import de.intevation.artifacts.ArtifactContextFactory;
tim@99: import de.intevation.gnv.artifacts.cache.CacheFactory;
tim@52: import de.intevation.gnv.geobackend.base.connectionpool.ConnectionPoolFactory;
tim@52: import de.intevation.gnv.geobackend.base.query.container.QueryContainerFactory;
tim@52: import de.intevation.gnv.geobackend.base.query.container.exception.QueryContainerException;
ingo@358: import de.intevation.gnv.chart.XMLChartTheme;
ingo@369: 
ingo@369: import de.intevation.artifactdatabase.XMLUtils;
tim@52: 
tim@52: /**
tim@52:  * @author Tim Englich <tim.englich@intevation.de>
tim@171:  * 
tim@52:  */
tim@52: public class GNVArtifactContextFactory implements ArtifactContextFactory {
tim@52:     /**
tim@52:      * the logger, used to log exceptions and additonaly information
tim@52:      */
tim@52:     private static Logger log = Logger.getLogger(GNVArtifactContext.class);
tim@171: 
tim@171:     public static final String XPATH_GEOBACKEND_CONFIGURATION = "artifact-database/geo-backend/backend-configuration";
tim@171: 
tim@171:     public static final String XPATH_GEOBACKEND_QUERYCONFIGURATION = "artifact-database/geo-backend/query-configuration";
tim@171: 
tim@99:     private final static String CACHECONFIGNODEPATH = "/artifact-database/ehcache/configuration";
tim@171: 
ingo@358:     private final static String CHARTCONFIGNODEPATH = "/artifact-database/charttemplate/configuration";
ingo@358: 
ingo@358:     public final static String CHARTTEMPLATE = "template";
ingo@358: 
tim@52:     /**
tim@52:      * Constructor
tim@52:      */
tim@52:     public GNVArtifactContextFactory() {
tim@52:         super();
tim@52:         log.debug("GNVArtifactContextFactory.Constructor");
tim@52:     }
tim@52: 
tim@52:     /**
tim@52:      * @see de.intevation.artifacts.ArtifactContextFactory#createArtifactContext(org.w3c.dom.Document)
tim@52:      */
tim@52:     public Object createArtifactContext(Document config) {
ingo@358:         GNVArtifactContext returnValue = null;
tim@52:         try {
tim@52:             log.debug("GNVArtifactContextFactory.createArtifactContext");
tim@52:             log.info("Initialisation of the Geo-BackendConnectionPool");
tim@171:             String backendConfigurationFile = Config.getStringXPath(config,
tim@171:                     XPATH_GEOBACKEND_CONFIGURATION);
tim@203:             backendConfigurationFile = Config.replaceConfigDir(backendConfigurationFile);
tim@203:             
tim@52:             Properties properties = getProperties(backendConfigurationFile);
tim@52:             ConnectionPoolFactory cpf = ConnectionPoolFactory.getInstance();
tim@52:             cpf.initializeConnectionPool(properties);
tim@171: 
tim@52:             log.info("Initialisation of the QueryContainer");
tim@171:             String queryConfigurationFile = Config.getStringXPath(config,
tim@171:                     XPATH_GEOBACKEND_QUERYCONFIGURATION);
tim@203:             queryConfigurationFile = Config.replaceConfigDir(queryConfigurationFile);
tim@203:             
tim@52:             Properties queryProperties = getProperties(queryConfigurationFile);
tim@52:             QueryContainerFactory qcf = QueryContainerFactory.getInstance();
tim@52:             qcf.initializeQueryContainer(queryProperties);
tim@171: 
tim@99:             log.info("Initialisation of the Cache");
tim@171:             String cacheConfigurationFile = Config.getStringXPath(config,
tim@171:                     CACHECONFIGNODEPATH);
tim@203:             cacheConfigurationFile = Config.replaceConfigDir(cacheConfigurationFile);
tim@99:             CacheFactory cf = CacheFactory.getInstance();
tim@99:             cf.initializeCache(cacheConfigurationFile);
tim@171: 
ingo@358:             log.info("Initialisation of chart template");
ingo@358:             String chartConfigFile = Config.getStringXPath(
ingo@358:                 config, CHARTCONFIGNODEPATH
ingo@358:             );
ingo@369:             chartConfigFile = Config.replaceConfigDir(chartConfigFile);
ingo@358:             log.debug("Parse xml configuration of " + chartConfigFile);
ingo@369: 
ingo@369:             Document tmpl = XMLUtils.parseDocument(new File(chartConfigFile));
ingo@369:             XMLChartTheme theme = new XMLChartTheme("XMLChartTheme");
ingo@369:             if (tmpl != null) {
ingo@369:                 theme.applyXMLConfiguration(tmpl);
ingo@369:             }
ingo@369:             else {
ingo@369:                 log.error(
ingo@369:                     "Cannot load chart template from '" +
ingo@369:                     chartConfigFile + "'");
ingo@369:             }
ingo@358: 
tim@52:             returnValue = new GNVArtifactContext(config);
ingo@358: 
ingo@358:             returnValue.put(CHARTTEMPLATE, theme);
tim@52:         } catch (FileNotFoundException e) {
tim@171:             log.error(e, e);
tim@52:         } catch (IOException e) {
tim@171:             log.error(e, e);
tim@171:         } catch (QueryContainerException e) {
tim@171:             log.error(e, e);
tim@52:         }
tim@52:         return returnValue;
tim@52:     }
tim@52: 
tim@52:     /**
tim@52:      * @param filePath
tim@52:      * @return
tim@52:      * @throws FileNotFoundException
tim@52:      * @throws IOException
tim@52:      */
tim@52:     private Properties getProperties(String filePath)
tim@171:                                                      throws FileNotFoundException,
tim@171:                                                      IOException {
sascha@172:         InputStream inputStream = null;
sascha@172:         try {
sascha@172:             inputStream = new FileInputStream(filePath);
sascha@172:             Properties properties = new Properties();
sascha@172:             properties.load(inputStream);
sascha@172:             return properties;
sascha@172:         }
sascha@172:         finally {
sascha@172:             if (inputStream != null) {
sascha@172:                 try { inputStream.close(); }
sascha@172:                 catch (IOException ioe) {}
sascha@172:             }
sascha@172:         }
tim@52:     }
tim@52: }