ch.kostceco.tools.siardval.service.impl.ConfigurationServiceImpl.java Source code

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Here is the source code for ch.kostceco.tools.siardval.service.impl.ConfigurationServiceImpl.java

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/*== SIARD-Val ===================================================================================
The SIARD-Val application is used for validate SIARD-Files. 
Copyright (C) 2012-2013 Claire Rthlisberger (KOST-CECO), Christian Eugster, Olivier Debenath, 
Peter Schneider (Staatsarchiv Aargau)
--------------------------------------------------------------------------------------------------
SIARD-Val is a development of the KOST-CECO. All rights rest with the KOST-CECO. 
This application is free software: you can redistribute it and/or modify it under the 
terms of the GNU General Public License as published by the Free Software Foundation, 
either version 3 of the License, or (at your option) any later version. 
This application is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; 
without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 
See the follow GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this program; 
if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 
Boston, MA 02110-1301 USA or see <http://www.gnu.org/licenses/>.
==================================================================================================*/

package ch.kostceco.tools.siardval.service.impl;

import java.io.File;
import java.net.URL;

import org.apache.commons.configuration.ConfigurationException;
import org.apache.commons.configuration.XMLConfiguration;

import ch.kostceco.tools.siardval.SIARDVal;
import ch.kostceco.tools.siardval.logging.Logger;
import ch.kostceco.tools.siardval.service.ConfigurationService;
import ch.kostceco.tools.siardval.service.impl.ConfigurationServiceImpl;
import ch.kostceco.tools.siardval.service.TextResourceService;

/**
 * @author Rc Claire Rthlisberger, KOST-CECO
 */

public class ConfigurationServiceImpl implements ConfigurationService {

    private static final Logger LOGGER = new Logger(ConfigurationServiceImpl.class);
    XMLConfiguration config = null;
    private TextResourceService textResourceService;

    public TextResourceService getTextResourceService() {
        return textResourceService;
    }

    public void setTextResourceService(TextResourceService textResourceService) {
        this.textResourceService = textResourceService;
    }

    // Holt sich das Configuration-file.
    private XMLConfiguration getConfig() {
        if (this.config == null) {
            try {
                String path = "configuration/SIARDVal.conf.xml";
                URL locationOfJar = SIARDVal.class.getProtectionDomain().getCodeSource().getLocation();
                String locationOfJarPath = locationOfJar.getPath();
                if (locationOfJarPath.endsWith(".jar")) {
                    File file = new File(locationOfJarPath);
                    String fileParent = file.getParent();
                    path = fileParent + "/" + path;
                }
                config = new XMLConfiguration(path);
            } catch (ConfigurationException e) {
                LOGGER.logInfo(getTextResourceService().getText(MESSAGE_CONFIGURATION_ERROR_1));
                // Das Konfigurations-File konnte nicht gelesen werden.
                LOGGER.logInfo(getTextResourceService().getText(MESSAGE_CONFIGURATION_ERROR_2));
                // Im gleichen Verzeichnis wie das ".jar"-File muss sich ein
                // Ordner namens "configuration" befinden.
                LOGGER.logInfo(getTextResourceService().getText(MESSAGE_CONFIGURATION_ERROR_3));
                // Im configuration-Ordner wiederum muss die Konfigurationsdatei
                // "SIARDVal.conf.xml" liegen.
                System.exit(1);
            }
        }
        return config;
    }

    @Override
    public String getPathToWorkDir() {
        /**
         * Gibt den Pfad des Arbeitsverzeichnisses zurck. Dieses Verzeichnis
         * wird zum Entpacken des .zip-Files verwendet.
         * 
         * @return Pfad des Arbeitsverzeichnisses
         */
        Object prop = getConfig().getProperty("pathtoworkdir");
        if (prop instanceof String) {
            String value = (String) prop;
            return value;
        }
        return null;
    }

    @Override
    public int getTableRowsLimit() {
        /**
         * Gibt die maximale Anzahl von Rows zurck. Dieser Wert wird in Modul H
         * verwendet. Module H validiert die table.xml Dateien gegen ihre
         * table.xsd Schemas. Wenn ein Schema <xs:element name="row"
         * type="rowType" minOccurs="0" maxOccurs="unbounded"/> in minOccurs
         * oder maxOccurs hohe Zahlenwerte enthlt, fhrt die Validierung zu
         * einem java.lang.OutOfMemoryError. Da dieser Error nicht aufgefangen
         * werden kann, werden vor der Validierung die Rows der Tabelle gezhlt.
         * Die ermittelte Zahl darf nicht ber dem hier zurckgegebenen Wert
         * liegen.
         * 
         * @return Pfad des Arbeitsverzeichnisses
         */
        int value = 17000;
        Object prop = getConfig().getProperty("table-rows-limit");
        if (prop != null) {
            try {
                value = Integer.valueOf(prop.toString()).intValue();
            } catch (NumberFormatException e) {
                // Do nothing
            }
        }
        return value;
    }

}