/// <summary>
/// Performs the XMP data extraction, adding found values to the specified instance of
/// <see cref="Com.Drew.Metadata.Metadata"/>
/// .
/// <p/>
/// The extraction is done with Adobe's XMPCore library.
/// </summary>
public virtual void Extract(string xmpString, Com.Drew.Metadata.Metadata metadata)
{
XmpDirectory directory = metadata.GetOrCreateDirectory <XmpDirectory>();
try
{
XMPMeta xmpMeta = XMPMetaFactory.ParseFromString(xmpString);
ProcessXmpTags(directory, xmpMeta);
}
catch (XMPException e)
{
directory.AddError("Error processing XMP data: " + e.Message);
}
}
protected override void AddCustomMetadataExtensions(XMPMeta xmpMeta)
{
if (this.IsTagged())
{
try {
XMPMeta taggedExtensionMeta = XMPMetaFactory.ParseFromString(PdfAXMPUtil.PDF_UA_EXTENSION);
XMPUtils.AppendProperties(taggedExtensionMeta, xmpMeta, true, false);
}
catch (XMPException exc) {
ILogger logger = LoggerFactory.GetLogger(typeof(iText.Pdfa.PdfADocument));
logger.Error(LogMessageConstant.EXCEPTION_WHILE_UPDATING_XMPMETADATA, exc);
}
}
}
/// <summary>
/// Performs the XMP data extraction, adding found values to the specified instance of
/// <see cref="Com.Drew.Metadata.Metadata"/>
/// .
/// <p>
/// The extraction is done with Adobe's XMPCore library.
/// </summary>
public virtual void Extract([NotNull] string xmpString, [NotNull] Com.Drew.Metadata.Metadata metadata)
{
XmpDirectory directory = new XmpDirectory();
try
{
XMPMeta xmpMeta = XMPMetaFactory.ParseFromString(xmpString);
ProcessXmpTags(directory, xmpMeta);
}
catch (XMPException e)
{
directory.AddError("Error processing XMP data: " + e.Message);
}
if (!directory.IsEmpty())
{
metadata.AddDirectory(directory);
}
}
protected override void UpdateXmpMetadata()
{
try {
XMPMeta xmpMeta = UpdateDefaultXmpMetadata();
xmpMeta.SetProperty(XMPConst.NS_PDFA_ID, XMPConst.PART, checker.GetConformanceLevel().GetPart());
xmpMeta.SetProperty(XMPConst.NS_PDFA_ID, XMPConst.CONFORMANCE, checker.GetConformanceLevel().GetConformance
());
if (this.IsTagged())
{
XMPMeta taggedExtensionMeta = XMPMetaFactory.ParseFromString(PdfAXMPUtil.PDF_UA_EXTENSION);
XMPUtils.AppendProperties(taggedExtensionMeta, xmpMeta, true, false);
}
SetXmpMetadata(xmpMeta);
}
catch (XMPException e) {
ILogger logger = LoggerFactory.GetLogger(typeof(iText.Pdfa.PdfADocument));
logger.Error(LogMessageConstant.EXCEPTION_WHILE_UPDATING_XMPMETADATA, e);
}
}
/// <summary>Adds the ZUGFeRD RDF description.</summary>
/// <param name="xmpMeta">the xmp meta</param>
/// <param name="zugferdConformanceLevel">the zugferd conformance level</param>
/// <exception cref="iText.Kernel.XMP.XMPException">the XMP exception</exception>
private void AddZugferdRdfDescription(XMPMeta xmpMeta, ZugferdConformanceLevel zugferdConformanceLevel)
{
switch (zugferdConformanceLevel)
{
case ZugferdConformanceLevel.ZUGFeRDBasic:
case ZugferdConformanceLevel.ZUGFeRDComfort:
case ZugferdConformanceLevel.ZUGFeRDExtended: {
// fallthrough
// fallthrough
XMPMeta taggedExtensionMetaComfort = XMPMetaFactory.ParseFromString(GetZugferdExtension(zugferdConformanceLevel
));
XMPUtils.AppendProperties(taggedExtensionMetaComfort, xmpMeta, true, false);
break;
}
default: {
break;
}
}
}