if (classMaps == null || classMaps.size() == 0) {
return result;
}
FieldMap fieldMapPrime;
// need to create bi-directional mappings now.
ClassMap classMapPrime;
Set<String> mapIds = new HashSet<String>();
for (ClassMap classMap : classMaps) {
classMap.setGlobalConfiguration(globalConfiguration);
// add our first class map to the result map and initialize PropertyDescriptor Cache
ReflectionUtils.findPropertyDescriptor(classMap.getSrcClassToMap(), "", null);
ReflectionUtils.findPropertyDescriptor(classMap.getDestClassToMap(), "", null);
// Check to see if this is a duplicate map id, irregardless of src and dest class names.
// Duplicate map-ids are not allowed
if (!MappingUtils.isBlankOrNull(classMap.getMapId())) {
if (mapIds.contains(classMap.getMapId())) {
throw new IllegalArgumentException("Duplicate Map Id's Found. Map Id: " + classMap.getMapId());
}
mapIds.add(classMap.getMapId());
}
result.add(classMap.getSrcClassToMap(), classMap.getDestClassToMap(), classMap.getMapId(), classMap);
// now create class map prime
classMapPrime = new ClassMap(globalConfiguration);
MappingUtils.reverseFields(classMap, classMapPrime);
if (classMap.getFieldMaps() != null) {
List<FieldMap> fms = classMap.getFieldMaps();
// iterate through the fields and see wether or not they should be mapped
// one way class mappings we do not need to add any fields
if (!MappingDirection.ONE_WAY.equals(classMap.getType())) {
for (FieldMap fieldMap : fms.toArray(new FieldMap[]{})) {
fieldMap.validate();
// If we are dealing with a Map data type, transform the field map into a MapFieldMap type
// only apply transformation if it is map to non-map mapping.
if (!(fieldMap instanceof ExcludeFieldMap)) {
if ( ( isSupportedMap(classMap.getDestClassToMap()) ^ isSupportedMap(classMap.getSrcClassToMap()) )
|| ( isSupportedMap(fieldMap.getDestFieldType(classMap.getDestClassToMap()))
^ isSupportedMap(fieldMap.getSrcFieldType(classMap.getSrcClassToMap())) ) ) {
FieldMap fm = new MapFieldMap(fieldMap);
classMap.removeFieldMapping(fieldMap);
classMap.addFieldMapping(fm);
fieldMap = fm;
}
}
// if the source is a java.util.Map, and not already mapped as key=>value,
// map the field as key=>value, not as bean property
if (isSupportedMap(classMap.getSrcClassToMap()) && fieldMap.getSrcFieldKey() == null) {
DozerField newSrcField = fieldMap.getSrcFieldCopy();
newSrcField.setName(DozerConstants.SELF_KEYWORD);
newSrcField.setKey(fieldMap.getSrcFieldName());
fieldMap.setSrcField(newSrcField);
}
// like above but the reverse:
// if the destination is a java.util.Map, and not already mapped as key=>value,
// map the field as key=>value, not as bean property
if (isSupportedMap(classMap.getDestClassToMap()) && fieldMap.getDestFieldKey() == null) {
DozerField newDestField = fieldMap.getDestFieldCopy();
newDestField.setName(DozerConstants.SELF_KEYWORD);
newDestField.setKey(fieldMap.getDestFieldName());
fieldMap.setDestField(newDestField);
}
if (!(MappingDirection.ONE_WAY.equals(fieldMap.getType()) && !(fieldMap instanceof ExcludeFieldMap))) {
// make a prime field map
fieldMapPrime = (FieldMap) fieldMap.clone();
fieldMapPrime.setClassMap(classMapPrime);
// check to see if it is only an exclude one way
if (fieldMapPrime instanceof ExcludeFieldMap && MappingDirection.ONE_WAY.equals(fieldMap.getType())) {
// need to make a generic field map for the other direction
fieldMapPrime = new GenericFieldMap(classMapPrime);
}
// reverse the fields
MappingUtils.reverseFields(fieldMap, fieldMapPrime);
// iterate through copyByReferences and set accordingly
if (!(fieldMap instanceof ExcludeFieldMap)) {
MappingUtils.applyGlobalCopyByReference(globalConfiguration, fieldMap, classMap);
}
if (!(fieldMapPrime instanceof ExcludeFieldMap)) {
MappingUtils.applyGlobalCopyByReference(globalConfiguration, fieldMapPrime, classMapPrime);
}
} else { // if it is a one-way field map make the other field map excluded
// make a prime field map
fieldMapPrime = new ExcludeFieldMap(classMapPrime);
MappingUtils.reverseFields(fieldMap, fieldMapPrime);
}
classMapPrime.addFieldMapping(fieldMapPrime);
}
} else {
// since it is one-way...we still need to validate if it has some type of method mapping and validate the
// field maps
for (FieldMap oneWayFieldMap : fms.toArray(new FieldMap[]{})) {
oneWayFieldMap.validate();
MappingUtils.applyGlobalCopyByReference(globalConfiguration, oneWayFieldMap, classMap);
// check to see if we need to exclude the map
if (MappingDirection.ONE_WAY.equals(oneWayFieldMap.getType())) {
fieldMapPrime = new ExcludeFieldMap(classMapPrime);
MappingUtils.reverseFields(oneWayFieldMap, fieldMapPrime);
classMapPrime.addFieldMapping(fieldMapPrime);
}
}
}
}
// if it is a one way mapping or a method/iterate method mapping we can not bi-directionally map