protected String doDerivePropertyTypeFromTestValue(String testValue) { // test point
if (testValue == null) {
String msg = "The argument 'testValue' should be not null.";
throw new IllegalArgumentException(msg);
}
final DfLanguageGrammar grammar = getLanguageGrammar();
final String plainTypeName;
if (Srl.startsWithIgnoreCase(testValue, "date '", "date'")) {
plainTypeName = "Date";
} else if (Srl.startsWithIgnoreCase(testValue, "timestamp '", "timestamp'")) {
plainTypeName = "Timestamp";
} else if (Srl.startsWithIgnoreCase(testValue, "time '", "time'")) {
plainTypeName = "Time";
} else {
if (Srl.isQuotedSingle(testValue)) {
final String unquoted = Srl.unquoteSingle(testValue);
Timestamp timestamp = null;
Time time = null;
try {
timestamp = DfTypeUtil.toTimestamp(unquoted);
} catch (ParseTimestampException ignored) {
try {
time = DfTypeUtil.toTime(unquoted);
} catch (ParseTimeException andIgnored) {
}
}
if (timestamp != null) {
final String timeParts = DfTypeUtil.toString(timestamp, "HH:mm:ss.SSS");
if (timeParts.equals("00:00:00.000")) {
plainTypeName = "Date";
} else {
plainTypeName = "Timestamp";
}
} else if (time != null) {
plainTypeName = "Time";
} else {
plainTypeName = "String";
}
} else if (Srl.isQuotedAnything(testValue, "(", ")")) {
final String unquoted = Srl.unquoteAnything(testValue, "(", ")");
final List<String> elementList = Srl.splitListTrimmed(unquoted, ",");
if (elementList.size() > 0) {
final String firstElement = elementList.get(0);
// InScope for Date is unsupported at this analyzing
if (Srl.isQuotedSingle(firstElement)) {
plainTypeName = "List" + grammar.buildGenericOneClassHint("String");
} else {
final String elementType = doDeriveNonQuotedLiteralTypeFromTestValue(firstElement);
plainTypeName = "List" + grammar.buildGenericOneClassHint(elementType);
}
} else {
plainTypeName = "List" + grammar.buildGenericOneClassHint("String");
}
} else {
plainTypeName = doDeriveNonQuotedLiteralTypeFromTestValue(testValue);
}
}
return plainTypeName;
}
@SuppressWarnings("unchecked")
public <PROPERTY> PROPERTY analyzeDate(Class<PROPERTY> javaType) {
final Object obj = getColumnValue();
if (Time.class.isAssignableFrom(javaType)) {
return (PROPERTY) DfTypeUtil.toTime(obj);
} else if (Timestamp.class.isAssignableFrom(javaType)) {
return (PROPERTY) DfTypeUtil.toTimestamp(obj);
} else {
return (PROPERTY) DfTypeUtil.toDate(obj);
}
}