/** Copyright (C) 2017 by Bundesanstalt für Gewässerkunde
 * Software engineering by
 *  Björnsen Beratende Ingenieure GmbH
 *  Dr. Schumacher Ingenieurbüro für Wasser und Umwelt
 *
 * This file is Free Software under the GNU AGPL (>=v3)
 * and comes with ABSOLUTELY NO WARRANTY! Check out the
 * documentation coming with Dive4Elements River for details.
 */
package org.dive4elements.river.artifacts.common;

import java.util.ArrayList;
import java.util.Collection;
import java.util.List;

import net.sf.jasperreports.engine.component.ComponentsBundle;
import net.sf.jasperreports.engine.component.ComponentsEnvironment;
import net.sf.jasperreports.engine.component.ComponentsXmlParser;
import net.sf.jasperreports.engine.xml.BaseSaxParserFactory;
import net.sf.jasperreports.engine.xml.JRXmlConstants;

/**
 * Own sax parser factory, because:
 * - we do not want xml validation (we know it's good)
 * - xerxes sax parser complains about two schemas with same namespace...
 * 
 * @author Domenico Nardi Tironi
 */
public class JRReportSaxParserFactory extends BaseSaxParserFactory {

    @Override
    protected boolean isValidating() {
        return false;
    }

    @Override
    protected List<String> getSchemaLocations() {
        final List<String> schemas = new ArrayList<>();

        schemas.add(getResourceURI(JRXmlConstants.JASPERREPORT_XSD_RESOURCE));
        // schemas.add(getResourceURI(JRXmlConstants.JASPERREPORT_XSD_DTD_COMPAT_RESOURCE));

        final Collection<ComponentsBundle> components = ComponentsEnvironment.getComponentBundles();
        for (final ComponentsBundle componentManager : components) {
            final ComponentsXmlParser xmlParser = componentManager.getXmlParser();

            String schemaURI;
            final String schemaResource = xmlParser.getInternalSchemaResource();
            if (schemaResource != null) {
                schemaURI = getResourceURI(schemaResource);
            } else {
                schemaURI = xmlParser.getPublicSchemaLocation();
            }

            schemas.add(schemaURI);
        }
        return schemas;
    }
}