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/**
* DSS - Digital Signature Services
* Copyright (C) 2015 European Commission, provided under the CEF programme
*
* This file is part of the "DSS - Digital Signature Services" project.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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 GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
package eu.europa.esig.xmldsig;
import eu.europa.esig.dss.jaxb.common.XSDAbstractUtils;
import eu.europa.esig.xmldsig.jaxb.ObjectFactory;
import jakarta.xml.bind.JAXBContext;
import jakarta.xml.bind.JAXBException;
import javax.xml.transform.Source;
import javax.xml.transform.stream.StreamSource;
import java.util.ArrayList;
import java.util.List;
/**
* XMLDSIG schema utils
*/
public final class XmlDSigUtils extends XSDAbstractUtils {
/** XML schema location */
public static final String XML_SCHEMA_LOCATION = "/xsd/xml.xsd";
/** XMLDSIG schema location */
public static final String XMLDSIG_SCHEMA_LOCATION = "/xsd/xmldsig-core-schema.xsd";
/** XMLDSIG Filter 2.0 schema location */
public static final String XMLDSIG_FILTER2_SCHEMA_LOCATION = "/xsd/xmldsig-filter2.xsd";
/** Singleton */
private static XmlDSigUtils singleton;
/** JAXBContext */
private JAXBContext jc;
/**
* Empty constructor
*/
private XmlDSigUtils() {
// empty
}
/**
* Returns instance of {@code XmlDSigUtils}
*
* @return {@link XmlDSigUtils}
*/
public static XmlDSigUtils getInstance() {
if (singleton == null) {
singleton = new XmlDSigUtils();
}
return singleton;
}
@Override
public JAXBContext getJAXBContext() throws JAXBException {
if (jc == null) {
jc = JAXBContext.newInstance(ObjectFactory.class);
}
return jc;
}
@Override
public List getXSDSources() {
List xsdSources = new ArrayList<>();
xsdSources.add(new StreamSource(XmlDSigUtils.class.getResourceAsStream(XML_SCHEMA_LOCATION)));
xsdSources.add(new StreamSource(XmlDSigUtils.class.getResourceAsStream(XMLDSIG_SCHEMA_LOCATION)));
xsdSources.add(new StreamSource(XmlDSigUtils.class.getResourceAsStream(XMLDSIG_FILTER2_SCHEMA_LOCATION)));
return xsdSources;
}
}
