@Override
public FieldProviderResponse populateValue(
PopulateValueRequest populateValueRequest, Serializable instance) {
boolean dirty = false;
try {
// handle some additional field settings (if applicable)
Class<?> valueType = null;
String valueClassName = populateValueRequest.getMetadata().getMapFieldValueClass();
if (valueClassName != null) {
valueType = Class.forName(valueClassName);
}
if (valueType == null) {
valueType = populateValueRequest.getReturnType();
}
if (valueType == null) {
throw new IllegalAccessException(
"Unable to determine the valueType for the rule field ("
+ populateValueRequest.getProperty().getName()
+ ")");
}
if (ValueAssignable.class.isAssignableFrom(valueType)) {
ValueAssignable assignableValue;
try {
assignableValue =
(ValueAssignable)
populateValueRequest
.getFieldManager()
.getFieldValue(instance, populateValueRequest.getProperty().getName());
} catch (FieldNotAvailableException e) {
throw new IllegalArgumentException(e);
}
String key =
populateValueRequest
.getProperty()
.getName()
.substring(
populateValueRequest
.getProperty()
.getName()
.indexOf(FieldManager.MAPFIELDSEPARATOR)
+ FieldManager.MAPFIELDSEPARATOR.length(),
populateValueRequest.getProperty().getName().length());
boolean persistValue = false;
if (assignableValue == null) {
assignableValue = (ValueAssignable) valueType.newInstance();
persistValue = true;
dirty = true;
} else {
dirty = assignableValue.getValue().equals(populateValueRequest.getProperty().getValue());
populateValueRequest.getProperty().setOriginalValue(String.valueOf(assignableValue));
populateValueRequest
.getProperty()
.setOriginalDisplayValue(String.valueOf(assignableValue));
}
assignableValue.setName(key);
assignableValue.setValue(populateValueRequest.getProperty().getValue());
String fieldName =
populateValueRequest
.getProperty()
.getName()
.substring(
0,
populateValueRequest
.getProperty()
.getName()
.indexOf(FieldManager.MAPFIELDSEPARATOR));
Field field =
populateValueRequest.getFieldManager().getField(instance.getClass(), fieldName);
FieldInfo fieldInfo = buildFieldInfo(field);
String manyToField = null;
if (populateValueRequest.getMetadata().getManyToField() != null) {
manyToField = populateValueRequest.getMetadata().getManyToField();
}
if (manyToField == null) {
manyToField = fieldInfo.getManyToManyMappedBy();
}
if (manyToField == null) {
manyToField = fieldInfo.getOneToManyMappedBy();
}
if (manyToField != null) {
String propertyName = populateValueRequest.getProperty().getName();
Object middleInstance = instance;
if (propertyName.contains(".")) {
propertyName = propertyName.substring(0, propertyName.lastIndexOf("."));
middleInstance =
populateValueRequest.getFieldManager().getFieldValue(instance, propertyName);
}
populateValueRequest
.getFieldManager()
.setFieldValue(assignableValue, manyToField, middleInstance);
}
if (Searchable.class.isAssignableFrom(valueType)) {
((Searchable) assignableValue)
.setSearchable(populateValueRequest.getMetadata().getSearchable());
}
if (persistValue) {
populateValueRequest
.getPersistenceManager()
.getDynamicEntityDao()
.persist(assignableValue);
populateValueRequest
.getFieldManager()
.setFieldValue(
instance, populateValueRequest.getProperty().getName(), assignableValue);
}
} else {
// handle the map value set itself
if (FieldProviderResponse.NOT_HANDLED
== super.populateValue(populateValueRequest, instance)) {
return FieldProviderResponse.NOT_HANDLED;
}
}
} catch (Exception e) {
throw new PersistenceException(e);
}
populateValueRequest.getProperty().setIsDirty(dirty);
return FieldProviderResponse.HANDLED_BREAK;
}
@Override
protected boolean canHandlePersistence(
PopulateValueRequest populateValueRequest, Serializable instance) {
return populateValueRequest.getProperty().getName().contains(FieldManager.MAPFIELDSEPARATOR);
}