private void validateFields(BlockStatement block) {
Validation.Option mode =
getEnumMemberValue(
getAnnotation(annotatedClass, VALIDATION_ANNOTATION),
"option",
Validation.Option.class,
Validation.Option.IGNORE_UNMARKED);
for (FieldNode fieldNode : annotatedClass.getFields()) {
if (shouldFieldBeIgnoredForValidation(fieldNode)) continue;
ClosureExpression validationClosure =
createGroovyTruthClosureExpression(block.getVariableScope());
String message = null;
AnnotationNode validateAnnotation = getAnnotation(fieldNode, VALIDATE_ANNOTATION);
if (validateAnnotation != null) {
message =
getMemberStringValue(
validateAnnotation, "message", "'" + fieldNode.getName() + "' must be set!");
Expression member = validateAnnotation.getMember("value");
if (member instanceof ClassExpression) {
ClassNode memberType = member.getType();
if (memberType.equals(ClassHelper.make(Validate.Ignore.class))) continue;
else if (!memberType.equals(ClassHelper.make(Validate.GroovyTruth.class))) {
addError(
"value of Validate must be either Validate.GroovyTruth, Validate.Ignore or a closure.",
fieldNode);
}
} else if (member instanceof ClosureExpression) {
validationClosure = (ClosureExpression) member;
}
}
if (validateAnnotation != null || mode == Validation.Option.VALIDATE_UNMARKED) {
block.addStatement(
new AssertStatement(
new BooleanExpression(
callX(validationClosure, "call", args(varX(fieldNode.getName())))),
message == null ? ConstantExpression.NULL : new ConstantExpression(message)));
}
}
}
private void validateCustomMethods(BlockStatement block) {
if (!annotatedClass.hasMethod("doValidate", Parameter.EMPTY_ARRAY)) return;
block.addStatement(stmt(callX(varX("this"), "doValidate")));
}