/*
* XAdES4j - A Java library for generation and verification of XAdES signatures.
* Copyright (C) 2010 Luis Goncalves.
*
* XAdES4j 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 3 of the License, or any later version.
*
* XAdES4j 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 XAdES4j. If not, see <http://www.gnu.org/licenses/>.
*/
package xades4j.xml.unmarshalling;
import java.util.List;
import org.apache.xml.security.c14n.Canonicalizer;
import org.w3c.dom.Element;
import xades4j.algorithms.Algorithm;
import xades4j.algorithms.GenericAlgorithm;
import xades4j.properties.data.BaseXAdESTimeStampData;
import xades4j.utils.CollectionUtils;
import xades4j.xml.bind.xades.XmlEncapsulatedPKIDataType;
import xades4j.xml.bind.xades.XmlXAdESTimeStampType;
import xades4j.xml.bind.xmldsig.XmlCanonicalizationMethodType;
/**
*
* @author Luís
*/
abstract class FromXmlBaseTimeStampConverter<TPropData extends BaseXAdESTimeStampData>
{
private final String propName;
protected FromXmlBaseTimeStampConverter(String propName)
{
this.propName = propName;
}
protected void convertTimeStamps(
List<XmlXAdESTimeStampType> xmlTimeStamps,
QualifyingPropertiesDataCollector propertyDataCollector) throws PropertyUnmarshalException
{
if (null == xmlTimeStamps || xmlTimeStamps.isEmpty())
return;
for (XmlXAdESTimeStampType xmlTS : xmlTimeStamps)
{
if(!xmlTS.getReferenceInfo().isEmpty())
throw new PropertyUnmarshalException("ReferenceInfo is not supported in XAdESTimeStamp", propName);
Algorithm c14n;
XmlCanonicalizationMethodType xmlCanonMethod = xmlTS.getCanonicalizationMethod();
if(null == xmlCanonMethod)
{
c14n = new GenericAlgorithm(Canonicalizer.ALGO_ID_C14N_OMIT_COMMENTS);
}
else
{
List params = CollectionUtils.filterByType(xmlCanonMethod.getContent(), Element.class);
c14n = new GenericAlgorithm(xmlCanonMethod.getAlgorithm(), params);
}
TPropData tsData = createTSData(c14n);
List<Object> tsTokens = xmlTS.getEncapsulatedTimeStampOrXMLTimeStamp();
if (tsTokens.isEmpty())
throw new PropertyUnmarshalException("No time-stamp tokens", propName);
for (Object tkn : tsTokens)
{
if (!(tkn instanceof XmlEncapsulatedPKIDataType))
throw new PropertyUnmarshalException("XML time-stamps are not supported", propName);
tsData.addTimeStampToken(((XmlEncapsulatedPKIDataType)tkn).getValue());
}
doSpecificConvert(xmlTS, tsData);
setTSData(tsData, propertyDataCollector);
}
}
protected abstract TPropData createTSData(Algorithm c14n);
/**
* Override if needed.
*/
protected void doSpecificConvert(
XmlXAdESTimeStampType xmlTS,
TPropData tsData) throws PropertyUnmarshalException
{
if(!xmlTS.getInclude().isEmpty())
throw new PropertyUnmarshalException("Includes should not be present", "");
}
protected abstract void setTSData(
TPropData tsData,
QualifyingPropertiesDataCollector propertyDataCollector);
}