/**
* Binds request data to this form - that is, handles form submission.
*
* @return a copy of this form filled with the new data
*/
public Form<T> bindFromRequest(Map<String, String[]> requestData, String... allowedFields) {
Map<String, String> data = new HashMap<>();
for (String key : requestData.keySet()) {
String[] values = requestData.get(key);
if (key.endsWith("[]")) {
String k = key.substring(0, key.length() - 2);
for (int i = 0; i < values.length; i++) {
data.put(k + "[" + i + "]", values[i]);
}
} else {
if (values.length > 0) {
data.put(key, values[0]);
}
}
}
return bind(data, allowedFields);
}
/**
* Binds data to this form - that is, handles form submission.
*
* @param data data to submit
* @return a copy of this form filled with the new data
*/
@SuppressWarnings("unchecked")
public Form<T> bind(Map<String, String> data, String... allowedFields) {
DataBinder dataBinder;
Map<String, String> objectData = data;
if (rootName == null) {
dataBinder = new DataBinder(blankInstance());
} else {
dataBinder = new DataBinder(blankInstance(), rootName);
objectData = new HashMap<>();
for (String key : data.keySet()) {
if (key.startsWith(rootName + ".")) {
objectData.put(key.substring(rootName.length() + 1), data.get(key));
}
}
}
if (allowedFields.length > 0) {
dataBinder.setAllowedFields(allowedFields);
}
SpringValidatorAdapter validator =
new SpringValidatorAdapter(play.data.validation.Validation.getValidator());
dataBinder.setValidator(validator);
dataBinder.setConversionService(formatters.conversion);
dataBinder.setAutoGrowNestedPaths(true);
final Map<String, String> objectDataFinal = objectData;
withRequestLocale(
() -> {
dataBinder.bind(new MutablePropertyValues(objectDataFinal));
return null;
});
Set<ConstraintViolation<Object>> validationErrors;
if (groups != null) {
validationErrors = validator.validate(dataBinder.getTarget(), groups);
} else {
validationErrors = validator.validate(dataBinder.getTarget());
}
BindingResult result = dataBinder.getBindingResult();
for (ConstraintViolation<Object> violation : validationErrors) {
String field = violation.getPropertyPath().toString();
FieldError fieldError = result.getFieldError(field);
if (fieldError == null || !fieldError.isBindingFailure()) {
try {
result.rejectValue(
field,
violation.getConstraintDescriptor().getAnnotation().annotationType().getSimpleName(),
getArgumentsForConstraint(
result.getObjectName(), field, violation.getConstraintDescriptor()),
getMessageForConstraintViolation(violation));
} catch (NotReadablePropertyException ex) {
throw new IllegalStateException(
"JSR-303 validated property '"
+ field
+ "' does not have a corresponding accessor for data binding - "
+ "check your DataBinder's configuration (bean property versus direct field access)",
ex);
}
}
}
if (result.hasErrors() || result.getGlobalErrorCount() > 0) {
Map<String, List<ValidationError>> errors = new HashMap<>();
for (FieldError error : result.getFieldErrors()) {
String key = error.getObjectName() + "." + error.getField();
if (key.startsWith("target.") && rootName == null) {
key = key.substring(7);
}
if (!errors.containsKey(key)) {
errors.put(key, new ArrayList<>());
}
ValidationError validationError;
if (error.isBindingFailure()) {
ImmutableList.Builder<String> builder = ImmutableList.builder();
Optional<Messages> msgs =
Optional.of(Http.Context.current.get()).map(c -> messagesApi.preferred(c.request()));
for (String code : error.getCodes()) {
code = code.replace("typeMismatch", "error.invalid");
if (!msgs.isPresent() || msgs.get().isDefinedAt(code)) {
builder.add(code);
}
}
validationError =
new ValidationError(
key, builder.build().reverse(), convertErrorArguments(error.getArguments()));
} else {
validationError =
new ValidationError(
key, error.getDefaultMessage(), convertErrorArguments(error.getArguments()));
}
errors.get(key).add(validationError);
}
List<ValidationError> globalErrors = new ArrayList<>();
for (ObjectError error : result.getGlobalErrors()) {
globalErrors.add(
new ValidationError(
"", error.getDefaultMessage(), convertErrorArguments(error.getArguments())));
}
if (!globalErrors.isEmpty()) {
errors.put("", globalErrors);
}
return new Form(
rootName, backedType, data, errors, Optional.empty(), groups, messagesApi, formatters);
} else {
Object globalError = null;
if (result.getTarget() != null) {
try {
java.lang.reflect.Method v = result.getTarget().getClass().getMethod("validate");
globalError = v.invoke(result.getTarget());
} catch (NoSuchMethodException e) {
// do nothing
} catch (Throwable e) {
throw new RuntimeException(e);
}
}
if (globalError != null) {
Map<String, List<ValidationError>> errors = new HashMap<>();
if (globalError instanceof String) {
errors.put("", new ArrayList<>());
errors.get("").add(new ValidationError("", (String) globalError, new ArrayList()));
} else if (globalError instanceof List) {
for (ValidationError error : (List<ValidationError>) globalError) {
List<ValidationError> errorsForKey = errors.get(error.key());
if (errorsForKey == null) {
errors.put(error.key(), errorsForKey = new ArrayList<>());
}
errorsForKey.add(error);
}
} else if (globalError instanceof Map) {
errors = (Map<String, List<ValidationError>>) globalError;
}
return new Form(
rootName, backedType, data, errors, Optional.empty(), groups, messagesApi, formatters);
}
return new Form(
rootName,
backedType,
new HashMap<>(data),
new HashMap<>(errors),
Optional.ofNullable((T) result.getTarget()),
groups,
messagesApi,
formatters);
}
}
protected Map<String, String> requestData(Http.Request request) {
Map<String, String[]> urlFormEncoded = new HashMap<>();
if (request.body().asFormUrlEncoded() != null) {
urlFormEncoded = request.body().asFormUrlEncoded();
}
Map<String, String[]> multipartFormData = new HashMap<>();
if (request.body().asMultipartFormData() != null) {
multipartFormData = request.body().asMultipartFormData().asFormUrlEncoded();
}
Map<String, String> jsonData = new HashMap<>();
if (request.body().asJson() != null) {
jsonData =
play.libs.Scala.asJava(
play.api.data.FormUtils.fromJson(
"",
play.api.libs.json.Json.parse(
play.libs.Json.stringify(request.body().asJson()))));
}
Map<String, String[]> queryString = request.queryString();
Map<String, String> data = new HashMap<>();
for (String key : urlFormEncoded.keySet()) {
String[] values = urlFormEncoded.get(key);
if (key.endsWith("[]")) {
String k = key.substring(0, key.length() - 2);
for (int i = 0; i < values.length; i++) {
data.put(k + "[" + i + "]", values[i]);
}
} else {
if (values.length > 0) {
data.put(key, values[0]);
}
}
}
for (String key : multipartFormData.keySet()) {
String[] values = multipartFormData.get(key);
if (key.endsWith("[]")) {
String k = key.substring(0, key.length() - 2);
for (int i = 0; i < values.length; i++) {
data.put(k + "[" + i + "]", values[i]);
}
} else {
if (values.length > 0) {
data.put(key, values[0]);
}
}
}
for (String key : jsonData.keySet()) {
data.put(key, jsonData.get(key));
}
for (String key : queryString.keySet()) {
String[] values = queryString.get(key);
if (key.endsWith("[]")) {
String k = key.substring(0, key.length() - 2);
for (int i = 0; i < values.length; i++) {
data.put(k + "[" + i + "]", values[i]);
}
} else {
if (values.length > 0) {
data.put(key, values[0]);
}
}
}
return data;
}
/**
* Binds data to this form - that is, handles form submission.
*
* @param data data to submit
* @return a copy of this form filled with the new data
*/
public Form<T> bind(Map<String, String> data, String... allowedFields) {
DataBinder dataBinder = null;
Map<String, String> objectData = data;
if (rootName == null) {
dataBinder = new DataBinder(blankInstance());
} else {
dataBinder = new DataBinder(blankInstance(), rootName);
objectData = new HashMap<String, String>();
for (String key : data.keySet()) {
if (key.startsWith(rootName + ".")) {
objectData.put(key.substring(rootName.length() + 1), data.get(key));
}
}
}
if (allowedFields.length > 0) {
dataBinder.setAllowedFields(allowedFields);
}
SpringValidatorAdapter validator =
new SpringValidatorAdapter(play.data.validation.Validation.getValidator());
dataBinder.setValidator(validator);
dataBinder.setConversionService(play.data.format.Formatters.conversion);
dataBinder.setAutoGrowNestedPaths(true);
dataBinder.bind(new MutablePropertyValues(objectData));
Set<ConstraintViolation<Object>> validationErrors;
if (groups != null) {
validationErrors = validator.validate(dataBinder.getTarget(), groups);
} else {
validationErrors = validator.validate(dataBinder.getTarget());
}
BindingResult result = dataBinder.getBindingResult();
for (ConstraintViolation<Object> violation : validationErrors) {
String field = violation.getPropertyPath().toString();
FieldError fieldError = result.getFieldError(field);
if (fieldError == null || !fieldError.isBindingFailure()) {
try {
result.rejectValue(
field,
violation.getConstraintDescriptor().getAnnotation().annotationType().getSimpleName(),
getArgumentsForConstraint(
result.getObjectName(), field, violation.getConstraintDescriptor()),
violation.getMessage());
} catch (NotReadablePropertyException ex) {
throw new IllegalStateException(
"JSR-303 validated property '"
+ field
+ "' does not have a corresponding accessor for data binding - "
+ "check your DataBinder's configuration (bean property versus direct field access)",
ex);
}
}
}
if (result.hasErrors()) {
Map<String, List<ValidationError>> errors = new HashMap<String, List<ValidationError>>();
for (FieldError error : result.getFieldErrors()) {
String key = error.getObjectName() + "." + error.getField();
if (key.startsWith("target.") && rootName == null) {
key = key.substring(7);
}
List<Object> arguments = new ArrayList<Object>();
for (Object arg : error.getArguments()) {
if (!(arg
instanceof org.springframework.context.support.DefaultMessageSourceResolvable)) {
arguments.add(arg);
}
}
if (!errors.containsKey(key)) {
errors.put(key, new ArrayList<ValidationError>());
}
errors
.get(key)
.add(
new ValidationError(
key,
error.isBindingFailure() ? "error.invalid" : error.getDefaultMessage(),
arguments));
}
return new Form(rootName, backedType, data, errors, None(), groups);
} else {
Object globalError = null;
if (result.getTarget() != null) {
try {
java.lang.reflect.Method v = result.getTarget().getClass().getMethod("validate");
globalError = v.invoke(result.getTarget());
} catch (NoSuchMethodException e) {
} catch (Throwable e) {
throw new RuntimeException(e);
}
}
if (globalError != null) {
Map<String, List<ValidationError>> errors = new HashMap<String, List<ValidationError>>();
if (globalError instanceof String) {
errors.put("", new ArrayList<ValidationError>());
errors.get("").add(new ValidationError("", (String) globalError, new ArrayList()));
} else if (globalError instanceof List) {
errors.put("", (List<ValidationError>) globalError);
} else if (globalError instanceof Map) {
errors = (Map<String, List<ValidationError>>) globalError;
}
return new Form(rootName, backedType, data, errors, None(), groups);
}
return new Form(
rootName,
backedType,
new HashMap<String, String>(data),
new HashMap<String, List<ValidationError>>(errors),
Some((T) result.getTarget()),
groups);
}
}