/**
* Initialize the Property Mapping for a given schema
*
* @param ns Namespace URI
* @param classSchem The class representation of the schema linked to the namespace
* @return Construct expected properties types representation
* @throws XmpSchemaException When could not read property name in field with properties
* annotations
*/
private PropMapping initializePropMapping(String ns, Class<? extends XMPSchema> classSchem)
throws XmpSchemaException {
PropertyType propType;
PropertyAttributesAnnotation propAtt;
Field[] fields;
PropMapping propMap = new PropMapping(ns);
fields = classSchem.getFields();
String propName = null;
for (Field field : fields) {
if (field.isAnnotationPresent(PropertyType.class)) {
try {
propName = (String) field.get(propName);
} catch (Exception e) {
throw new XmpSchemaException(
"couldn't read one type declaration, please check accessibility and declaration of fields annoted in "
+ classSchem.getName(),
e.getCause());
}
// System.out.println("nameField:"+propName);
propType = field.getAnnotation(PropertyType.class);
// System.out.println("Type '"+propInfo.propertyType()+"' defined for "+propName);
if (!field.isAnnotationPresent(PropertyAttributesAnnotation.class)) {
propMap.addNewProperty(propName, propType.propertyType(), null);
} else {
// TODO Case where a special annotation is used to specify
// attributes
// NOT IMPLEMENTED YET, JUST TO GIVE A CLUE TO MAKE THIS
propAtt = field.getAnnotation(PropertyAttributesAnnotation.class);
List<String> attributes = new ArrayList<String>();
for (String att : propAtt.expectedAttributes()) {
attributes.add(att);
}
propMap.addNewProperty(propName, propType.propertyType(), attributes);
}
}
}
return propMap;
}
/**
* Add a new namespace Mapping for specific schema declared in PDF/A Extension schema
*
* @param desc The schemaDescription associated to the schema
* @throws XmpUnknownValueTypeException When a Value Type associated is unknown
*/
public void setNamespaceDefinition(SchemaDescription desc) throws XmpUnknownValueTypeException {
PropMapping propMap = new PropMapping(desc.getNameSpaceURI());
List<PDFAPropertyDescription> props = desc.getProperties();
for (int i = 0; i < props.size(); i++) {
String type = getValueTypeEquivalence(desc, props.get(i).getValueTypeValue());
propMap.addNewProperty(props.get(i).getNameValue(), type, null);
if (type.equals("Field")) {
declareAssociatedFieldType(desc, props.get(i).getValueTypeValue(), propMap);
}
}
String nsName = desc.getPrefix();
String ns = desc.getNameSpaceURI();
nsMaps.put(ns, new XMPSchemaFactory(nsName, ns, XMPSchema.class, propMap));
}
/**
* . For a specific valuetype declared in this schema. This method decompose it if field are
* present. and add types expected
*
* @param desc The schema description associated to the schema which declare a property with
* specific value type
* @param valueType valueType to analyze
* @param prop Expected properties types representation
* @throws XmpUnknownValueTypeException When a Value Type associated is unknown
*/
private void declareAssociatedFieldType(
SchemaDescription desc, String valueType, PropMapping prop)
throws XmpUnknownValueTypeException {
PDFAValueTypeDescription val = findValueTypeDescription(desc, valueType);
for (PDFAFieldDescription field : val.getFields()) {
// TODO case where a field call another nspace property ???
String fieldType = getValueTypeEquivalence(desc, field.getValueTypeValue());
if (fieldType.equals("Field")) {
throw new XmpUnknownValueTypeException("ValueType Field reference a valuetype unknown");
}
prop.addNewProperty(field.getNameValue(), fieldType, null);
}
}