teichmann@5863: /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
teichmann@5863:  * Software engineering by Intevation GmbH
teichmann@5863:  *
teichmann@5994:  * This file is Free Software under the GNU AGPL (>=v3)
teichmann@5863:  * and comes with ABSOLUTELY NO WARRANTY! Check out the
teichmann@5994:  * documentation coming with Dive4Elements River for details.
teichmann@5863:  */
teichmann@5863: 
teichmann@5831: package org.dive4elements.river.artifacts.datacage.templating;
sascha@998: 
gernotbelger@9127: import java.io.File;
gernotbelger@9127: import java.io.FileOutputStream;
sascha@998: import java.io.IOException;
sascha@998: import java.io.OutputStream;
gernotbelger@8903: import java.net.MalformedURLException;
gernotbelger@9127: import java.util.HashMap;
gernotbelger@9127: import java.util.Map;
sascha@998: 
sascha@998: import org.apache.log4j.Logger;
gernotbelger@8903: import org.apache.log4j.PropertyConfigurator;
gernotbelger@9232: import org.dive4elements.artifacts.CallContext;
gernotbelger@8903: import org.dive4elements.artifacts.common.utils.Config;
teichmann@5831: import org.dive4elements.artifacts.common.utils.XMLUtils;
teichmann@5831: import org.dive4elements.river.artifacts.datacage.Recommendations;
gernotbelger@9127: import org.dive4elements.river.backend.SessionFactoryProvider;
gernotbelger@9127: import org.hibernate.Session;
gernotbelger@9127: import org.slf4j.bridge.SLF4JBridgeHandler;
gernotbelger@9127: import org.w3c.dom.Document;
sascha@1015: 
gernotbelger@9127: public class App {
sascha@998:     private static Logger log = Logger.getLogger(App.class);
sascha@998: 
gernotbelger@8903:     /**
gernotbelger@8903:      * The logging is done via Log4j. To configure the logging
gernotbelger@8903:      * a file 'log4j.properties' is search in the configuration directory.
gernotbelger@8903:      */
gernotbelger@8903:     private static final String LOG4J_PROPERTIES = "log4j.properties";
sascha@1015: 
gernotbelger@9127:     public static final String template = System.getProperty("meta.data.template", "meta-data.xml");
sascha@998: 
gernotbelger@9127:     public static final String userId = System.getProperty("user.id");
sascha@998: 
gernotbelger@9127:     public static final String PARAMETERS = System.getProperty("meta.data.parameters", "");
gernotbelger@9127: 
gernotbelger@9127:     public static final String OUTPUT = System.getProperty("meta.data.output");
sascha@998: 
sascha@998:     public static Map<String, Object> getParameters() {
gernotbelger@9127:         final HashMap<String, Object> map = new HashMap<>();
gernotbelger@9127:         final String[] parts = PARAMETERS.split("\\s*;\\s*");
gernotbelger@9127:         for (final String part : parts) {
gernotbelger@9127:             final String[] kv = part.split("\\s*:\\s*");
sascha@998:             if (kv.length < 2 || (kv[0] = kv[0].trim()).length() == 0) {
sascha@998:                 continue;
sascha@998:             }
gernotbelger@9127:             final String[] values = kv[1].split("\\s*,\\s*");
sascha@998:             map.put(kv[0], values.length == 1 ? values[0] : values);
sascha@998:         }
sascha@998:         return map;
sascha@998:     }
sascha@998: 
gernotbelger@8903:     /**
gernotbelger@8903:      * Trys to load the Log4j configuration from ${config.dir}/log4j.properties.
gernotbelger@8903:      */
gernotbelger@8903:     private static final void configureLogging() {
gernotbelger@9127:         final File configDir = Config.getConfigDirectory();
gernotbelger@9127:         final File propFile = new File(configDir, LOG4J_PROPERTIES);
gernotbelger@8903: 
gernotbelger@8903:         if (propFile.isFile() && propFile.canRead()) {
gernotbelger@8903:             try {
gernotbelger@8903:                 PropertyConfigurator.configure(propFile.toURI().toURL());
gernotbelger@8903:                 SLF4JBridgeHandler.install();
gernotbelger@8903:             }
gernotbelger@9127:             catch (final MalformedURLException mue) {
gernotbelger@8903:                 mue.printStackTrace(System.err);
gernotbelger@8903:             }
gernotbelger@8903:         }
gernotbelger@8903:     }
gernotbelger@9127: 
gernotbelger@9127:     public static void main(final String[] args) {
sascha@998: 
gernotbelger@8903:         configureLogging();
gernotbelger@9127: 
gernotbelger@9127:         final Recommendations rec = Recommendations.createRecommendations(new File(template));
sascha@1015: 
sascha@1015:         if (rec == null) {
sascha@1015:             System.err.println("No recommendations created");
sascha@1015:             return;
sascha@1015:         }
sascha@998: 
sascha@998:         final Document result = XMLUtils.newDocument();
sascha@998: 
sascha@998:         final Map<String, Object> parameters = getParameters();
gernotbelger@8927:         // REMARK/TODO: 'ARTIFACT-OUTS' needs a String-Array, should be handled by parser
gernotbelger@8903:         parameters.put("ARTIFACT-OUTS", new String[] { "LONGITUDINAL_SECTION" });
gernotbelger@8903:         parameters.put("PARAMETERS", parameters);
gernotbelger@8903:         parameters.put("USER-ID", userId);
sascha@998: 
gernotbelger@9127:         final Session session = SessionFactoryProvider.createSessionFactory().openSession();
sascha@998: 
sascha@998:         try {
gernotbelger@9232:             final CallContext context = null;
gernotbelger@9232:             rec.recommend(parameters, userId, result, session, context);
gernotbelger@9127:         } finally {
sascha@998:             session.close();
sascha@998:         }
sascha@998: 
sascha@998:         OutputStream out;
sascha@998: 
sascha@998:         if (OUTPUT == null) {
sascha@998:             out = System.out;
gernotbelger@9127:         } else {
sascha@998:             try {
sascha@998:                 out = new FileOutputStream(OUTPUT);
sascha@998:             }
gernotbelger@9127:             catch (final IOException ioe) {
sascha@998:                 log.error(ioe);
sascha@998:                 return;
sascha@998:             }
sascha@998:         }
sascha@998: 
sascha@998:         try {
gernotbelger@8903:             out.write('\n');
sascha@998:             XMLUtils.toStream(result, out);
gernotbelger@8903:             out.write('\n');
gernotbelger@8903:         }
gernotbelger@9127:         catch (final IOException e) {
gernotbelger@8903:             log.error(e);
gernotbelger@9127:         } finally {
sascha@998:             if (OUTPUT != null) {
sascha@998:                 try {
sascha@998:                     out.close();
sascha@998:                 }
gernotbelger@9127:                 catch (final IOException ioe) {
sascha@998:                     log.error(ioe);
sascha@998:                 }
sascha@998:             }
sascha@998:         }
sascha@998:         System.exit(0);
sascha@998:     }
sascha@998: }
sascha@998: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :