/**
* Transforms a Bloomberg Element into the most specific Object (for example: Double, Float,
* Integer, DateTime, String etc.).<br>
* Complex types are returned in the form of collections ({@code List<Object>} for arrays and
* {@code Map<String, Object>} for sequences).
*/
public static Object getSpecificObjectOf(Element field) {
if (field.datatype() == Schema.Datatype.FLOAT64) {
// likeliest data type
return field.getValueAsFloat64();
} else if (field.datatype() == Schema.Datatype.FLOAT32) {
return field.getValueAsFloat32();
} else if (field.datatype() == Schema.Datatype.BOOL) {
return field.getValueAsBool();
} else if (field.datatype() == Schema.Datatype.CHAR) {
return field.getValueAsChar();
} else if (field.datatype() == Schema.Datatype.INT32) {
return field.getValueAsInt32();
} else if (field.datatype() == Schema.Datatype.INT64) {
return field.getValueAsInt64();
} else if (field.datatype() == Schema.Datatype.STRING) {
return field.getValueAsString();
} else if (field.datatype() == Schema.Datatype.DATE
|| field.datatype() == Schema.Datatype.DATETIME
|| field.datatype() == Schema.Datatype.TIME) {
return new DateTime(field.getValueAsDate().calendar());
} else if (field.isArray()) {
List<Object> list = new ArrayList<>(field.numValues());
for (int i = 0; i < field.numValues(); i++) {
list.add(getSpecificObjectOf(field.getValueAsElement(i)));
}
return list;
} else if (field.datatype() == Schema.Datatype.SEQUENCE
|| field.datatype()
== Schema.Datatype.CHOICE) { // has to be after array because arrays are sequences...
ElementIterator it = field.elementIterator();
Map<String, Object> map = new LinkedHashMap<>(field.numElements(), 1.0f);
while (it.hasNext()) {
Element e = it.next();
map.put(e.name().toString(), getSpecificObjectOf(e));
}
return map;
} else {
return field.toString(); // always works
}
}
