private QueryMethod chooseQueryMethodStrategy(
Method method, RepositoryMetadata metadata, Class<?> repositoryInterface) {
QueryMethod queryMethod;
boolean paramAnnotation = false;
if ((paramAnnotation = hasParamAnnotation(method))
|| repositoryInterface.isAnnotationPresent(Namespace.class)
|| method.isAnnotationPresent(Statement.class)) {
queryMethod = new AnnotationBasedSqlMapQueryMethod(method, metadata, paramAnnotation);
} else {
queryMethod = new QueryMethod(method, metadata);
}
return queryMethod;
}
/**
* Framework, library, etc, will use something like this to parse annotated class.
*
* <p>Here we use java reflection.
*/
public static void main(String[] args) {
Class<AnnotatedClass> ac = AnnotatedClass.class;
System.out.println(ac.isAnnotationPresent(MyAnno.class));
}
/**
* Retrieve a field.
*
* @param key field name
* @return the field (even if the field does not exist you get a field)
*/
public Field field(String key) {
// Value
String fieldValue = null;
if (data.containsKey(key)) {
fieldValue = data.get(key);
} else {
if (value.isPresent()) {
BeanWrapper beanWrapper = new BeanWrapperImpl(value.get());
beanWrapper.setAutoGrowNestedPaths(true);
String objectKey = key;
if (rootName != null && key.startsWith(rootName + ".")) {
objectKey = key.substring(rootName.length() + 1);
}
if (beanWrapper.isReadableProperty(objectKey)) {
Object oValue = beanWrapper.getPropertyValue(objectKey);
if (oValue != null) {
final String objectKeyFinal = objectKey;
fieldValue =
withRequestLocale(
() ->
formatters.print(
beanWrapper.getPropertyTypeDescriptor(objectKeyFinal), oValue));
}
}
}
}
// Error
List<ValidationError> fieldErrors = errors.get(key);
if (fieldErrors == null) {
fieldErrors = new ArrayList<>();
}
// Format
Tuple<String, List<Object>> format = null;
BeanWrapper beanWrapper = new BeanWrapperImpl(blankInstance());
beanWrapper.setAutoGrowNestedPaths(true);
try {
for (Annotation a : beanWrapper.getPropertyTypeDescriptor(key).getAnnotations()) {
Class<?> annotationType = a.annotationType();
if (annotationType.isAnnotationPresent(play.data.Form.Display.class)) {
play.data.Form.Display d = annotationType.getAnnotation(play.data.Form.Display.class);
if (d.name().startsWith("format.")) {
List<Object> attributes = new ArrayList<>();
for (String attr : d.attributes()) {
Object attrValue = null;
try {
attrValue = a.getClass().getDeclaredMethod(attr).invoke(a);
} catch (Exception e) {
// do nothing
}
attributes.add(attrValue);
}
format = Tuple(d.name(), attributes);
}
}
}
} catch (NullPointerException e) {
// do nothing
}
// Constraints
List<Tuple<String, List<Object>>> constraints = new ArrayList<>();
Class<?> classType = backedType;
String leafKey = key;
if (rootName != null && leafKey.startsWith(rootName + ".")) {
leafKey = leafKey.substring(rootName.length() + 1);
}
int p = leafKey.lastIndexOf('.');
if (p > 0) {
classType = beanWrapper.getPropertyType(leafKey.substring(0, p));
leafKey = leafKey.substring(p + 1);
}
if (classType != null) {
BeanDescriptor beanDescriptor =
play.data.validation.Validation.getValidator().getConstraintsForClass(classType);
if (beanDescriptor != null) {
PropertyDescriptor property = beanDescriptor.getConstraintsForProperty(leafKey);
if (property != null) {
constraints = Constraints.displayableConstraint(property.getConstraintDescriptors());
}
}
}
return new Field(this, key, constraints, format, fieldErrors, fieldValue);
}