/**
* Check if a non basic value type used is describes in the schema which inlude a property with a
* such type
*
* @param desc The schema description associated to the schema which declare a property with
* specific value type
* @param definedValueType The value type name to find in value types descriptions
* @return The description of this specific value type
* @throws XmpUnknownValueTypeException If no declaration found
*/
private PDFAValueTypeDescription findValueTypeDescription(
SchemaDescription desc, String definedValueType) throws XmpUnknownValueTypeException {
List<PDFAValueTypeDescription> values = desc.getValueTypes();
for (PDFAValueTypeDescription val : values) {
if (definedValueType.equals(val.getTypeNameValue())) {
return val;
}
}
throw new XmpUnknownValueTypeException(
"ValueType '" + definedValueType + "' is unknown. no declaration found in this schema");
}
/**
* Check if valueType used for a specified property description is known (in case where it's a
* normal value type or if a value type which has been defined in PDF/A Extension schema)
*
* @param desc The schema description associated to the schema which declare a property with
* specific value type
* @param definedValueType The value type name to find in value types descriptions
* @return value type equivalence (value type which can be treat (orginal basic value type or
* specific value type decomposed to find basic types)
* @throws XmpUnknownValueTypeException When Value Type is unknown
*/
private String getValueTypeEquivalence(SchemaDescription desc, String definedValueType)
throws XmpUnknownValueTypeException {
if (isBasicType(definedValueType)) {
return definedValueType;
}
PDFAValueTypeDescription val = findValueTypeDescription(desc, definedValueType);
if (val.getFields().isEmpty()) {
// if fields value are note defined we suppose the property is a
// Text type
return "Text";
}
return "Field";
}
/**
* . 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);
}
}