public void initialize(Pattern parameters) {
Pattern.Flag flags[] = parameters.flags();
int intFlag = 0;
for (Pattern.Flag flag : flags) {
intFlag = intFlag | flag.getValue();
}
try {
pattern = java.util.regex.Pattern.compile(parameters.regexp(), intFlag);
} catch (PatternSyntaxException e) {
throw new IllegalArgumentException("Invalid regular expression.", e);
}
}
public static void buildValidatorAttribute(
String validatorAttrValue,
AbstractUITag tag,
ValueStack stack,
HttpServletRequest req,
UIBean uiBean) {
Map<String, Object> dynamicAttributes = new HashMap<String, Object>();
if (validatorAttrValue == null) {
Map<String, Object> validator = new HashMap<String, Object>();
Map<String, String> messages = new HashMap<String, String>();
CompoundRoot rootList = stack.getRoot();
Object entity = null;
Object controller = null;
for (Object obj : rootList) {
if (obj instanceof Persistable) {
entity = obj;
} else if (obj instanceof ActionSupport) {
controller = obj;
}
}
if (entity != null) {
try {
String tagName = tag.name;
Method method =
OgnlRuntime.getGetMethod(
(OgnlContext) stack.getContext(), entity.getClass(), tagName);
if (method == null) {
String[] tagNameSplits = StringUtils.split(tagName, ".");
if (tagNameSplits.length >= 2) {
Class<?> retClass = entity.getClass();
for (String tagNameSplit : tagNameSplits) {
method =
OgnlRuntime.getGetMethod(
(OgnlContext) stack.getContext(), retClass, tagNameSplit);
if (method != null) {
retClass = method.getReturnType();
}
}
if (method == null) {
retClass = controller.getClass();
for (String tagNameSplit : tagNameSplits) {
method =
OgnlRuntime.getGetMethod(
(OgnlContext) stack.getContext(), retClass, tagNameSplit);
if (method != null) {
retClass = method.getReturnType();
}
}
}
}
}
if (method != null) {
Column column = method.getAnnotation(Column.class);
if (column != null) {
if (column.nullable() == false) {
if (tag.requiredLabel == null) {
uiBean.setRequiredLabel("true");
}
}
if (column.unique() == true) {
validator.put("unique", "true");
}
}
Class<?> retType = method.getReturnType();
if (retType == LocalDate.class) {
validator.put("date", true);
validator.put("dateISO", true);
} else if (retType == LocalDateTime.class) {
validator.put("timestamp", true);
} else if (retType == DateTime.class || retType == Date.class) {
JsonSerialize jsonSerialize = method.getAnnotation(JsonSerialize.class);
if (jsonSerialize != null) {
if (JodaDateJsonSerializer.class == jsonSerialize.using()
|| DateJsonSerializer.class == jsonSerialize.using()) {
validator.put("date", true);
validator.put("dateISO", true);
} else if (JodaDateTimeJsonSerializer.class == jsonSerialize.using()
|| DateTimeJsonSerializer.class == jsonSerialize.using()) {
validator.put("timestamp", true);
}
}
} else if (retType == BigDecimal.class) {
validator.put("number", true);
} else if (retType == Integer.class) {
validator.put("number", true);
validator.put("digits", true);
} else if (retType == Long.class) {
validator.put("number", true);
validator.put("digits", true);
}
Size size = method.getAnnotation(Size.class);
if (size != null) {
if (size.min() > 0) {
validator.put("minlength", size.min());
}
if (size.max() < Integer.MAX_VALUE) {
validator.put("maxlength", size.max());
}
}
Email email = method.getAnnotation(Email.class);
if (email != null) {
validator.put("email", true);
}
Pattern pattern = method.getAnnotation(Pattern.class);
if (pattern != null) {
validator.put("regex", pattern.regexp());
String message = pattern.message();
if (!"{javax.validation.constraints.Pattern.message}".equals(message)) {
messages.put("regex", message);
}
}
}
} catch (IntrospectionException e) {
e.printStackTrace();
} catch (OgnlException e) {
e.printStackTrace();
}
}
if (validator.size() > 0) {
try {
if (messages.size() > 0) {
validator.put("messages", messages);
}
String json = mapper.writeValueAsString(validator);
json = json.replaceAll("\\\"", "'");
dynamicAttributes.put("validator", json);
uiBean.setDynamicAttributes(dynamicAttributes);
} catch (JsonProcessingException e) {
e.printStackTrace();
}
}
} else {
dynamicAttributes.put("validator", validatorAttrValue);
uiBean.setDynamicAttributes(dynamicAttributes);
}
}