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package org.apache.padaf.xmpbox.parser;
import java.util.HashMap;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import org.apache.padaf.xmpbox.XMPMetadata;
import org.apache.padaf.xmpbox.schema.PDFAExtensionSchema;
import org.apache.padaf.xmpbox.type.BadFieldValueException;
public class PDFAExtentionSchemaPreprocessor extends XMPDocumentBuilder implements XMPDocumentPreprocessor {
public PDFAExtentionSchemaPreprocessor() throws XmpSchemaException {
super();
}
public NSMapping process(byte[] xmp) throws XmpParsingException, XmpSchemaException,
XmpUnknownValueTypeException, XmpExpectedRdfAboutAttribute, XmpXpacketEndException, BadFieldValueException {
parse(xmp);
return this.nsMap;
}
protected void parseDescription(XMPMetadata metadata)
throws XmpParsingException, XMLStreamException, XmpSchemaException,
XmpUnknownValueTypeException, XmpExpectedRdfAboutAttribute,
BadFieldValueException {
nsMap.resetComplexBasicTypesDeclarationInSchemaLevel();
int cptNS = reader.get().getNamespaceCount();
HashMap<String, String> namespaces = new HashMap<String, String>();
for (int i = 0; i < cptNS; i++) {
namespaces.put(reader.get().getNamespacePrefix(i), reader.get().getNamespaceURI(i));
if (nsMap.isComplexBasicTypes(reader.get().getNamespaceURI(i))) {
nsMap.setComplexBasicTypesDeclarationForLevelSchema(reader
.get().getNamespaceURI(i), reader.get()
.getNamespacePrefix(i));
}
}
// Different treatment for PDF/A Extension schema
if (namespaces.containsKey(PDFAExtensionSchema.PDFAEXTENSION)) {
if (namespaces.containsKey(PDFAExtensionSchema.PDFAPROPERTY)
&& namespaces.containsKey(PDFAExtensionSchema.PDFASCHEMA)) {
if (namespaces.containsValue(PDFAExtensionSchema.PDFAEXTENSIONURI)
&& namespaces.containsValue(PDFAExtensionSchema.PDFAPROPERTYURI)
&& namespaces.containsValue(PDFAExtensionSchema.PDFASCHEMAURI)) {
PDFAExtensionSchema schema = metadata.createAndAddPDFAExtensionSchemaWithNS(namespaces);
treatDescriptionAttributes(metadata, schema);
parseExtensionSchema(schema, metadata);
} else {
throw new XmpUnexpectedNamespaceURIException("Unexpected namespaceURI in PDFA Extension Schema encountered");
}
} else {
throw new XmpUnexpectedNamespacePrefixException("Unexpected namespace Prefix in PDFA Extension Schema");
}
} else {
int openedTag = 0;
while (reader.get().nextTag() == XMLStreamReader.START_ELEMENT) {
openedTag=1;
do {
int tag = reader.get().next();
if (tag == XMLStreamReader.START_ELEMENT) {
openedTag++;
} else if (tag == XMLStreamReader.END_ELEMENT) {
openedTag--;
}
} while (openedTag>0);
}
}
}
}