/** Return the indexes available for this field (for repeated fields ad List) */
public List<Integer> indexes() {
List<Integer> result = new ArrayList<Integer>();
if (form.value().isDefined()) {
BeanWrapper beanWrapper = new BeanWrapperImpl(form.value().get());
beanWrapper.setAutoGrowNestedPaths(true);
String objectKey = name;
if (form.name() != null && name.startsWith(form.name() + ".")) {
objectKey = name.substring(form.name().length() + 1);
}
if (beanWrapper.isReadableProperty(objectKey)) {
Object value = beanWrapper.getPropertyValue(objectKey);
if (value instanceof Collection) {
for (int i = 0; i < ((Collection) value).size(); i++) {
result.add(i);
}
}
}
} else {
java.util.regex.Pattern pattern =
java.util.regex.Pattern.compile(
"^" + java.util.regex.Pattern.quote(name) + "\\[(\\d+)\\].*$");
for (String key : form.data().keySet()) {
java.util.regex.Matcher matcher = pattern.matcher(key);
if (matcher.matches()) {
result.add(Integer.parseInt(matcher.group(1)));
}
}
}
return result;
}
/**
* 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);
}
@SuppressWarnings("unchecked")
static Object bindInternal(
String name,
Class clazz,
Type type,
Annotation[] annotations,
Map<String, String[]> params,
String suffix,
String[] profiles) {
try {
Logger.trace("bindInternal: name [" + name + "] suffix [" + suffix + "]");
String[] value = params.get(name + suffix);
Logger.trace("bindInternal: value [" + value + "]");
Logger.trace("bindInternal: profile [" + Utils.join(profiles, ",") + "]");
// Let see if we have a BindAs annotation and a separator. If so, we need to split the values
// Look up for the BindAs annotation. Extract the profile if there is any.
// TODO: Move me somewhere else?
if (annotations != null) {
for (Annotation annotation : annotations) {
if ((clazz.isArray() || Collection.class.isAssignableFrom(clazz))
&& value != null
&& value.length > 0
&& annotation.annotationType().equals(As.class)) {
As as = ((As) annotation);
final String separator = as.value()[0];
value = value[0].split(separator);
}
if (annotation.annotationType().equals(NoBinding.class)) {
NoBinding bind = ((NoBinding) annotation);
String[] localUnbindProfiles = bind.value();
Logger.trace(
"bindInternal: localUnbindProfiles [" + Utils.join(localUnbindProfiles, ",") + "]");
if (localUnbindProfiles != null && contains(profiles, localUnbindProfiles)) {
return NO_BINDING;
}
}
}
}
// Arrays types
// The array condition is not so nice... We should find another way of doing this....
if (clazz.isArray()
&& (clazz != byte[].class
&& clazz != byte[][].class
&& clazz != File[].class
&& clazz != Upload[].class)) {
if (value == null) {
value = params.get(name + suffix + "[]");
}
if (value == null) {
return MISSING;
}
Object r = Array.newInstance(clazz.getComponentType(), value.length);
for (int i = 0; i <= value.length; i++) {
try {
Array.set(r, i, directBind(name, annotations, value[i], clazz.getComponentType()));
} catch (Exception e) {
// ?? One item was bad
}
}
return r;
}
// Enums
if (Enum.class.isAssignableFrom(clazz)) {
if (value == null || value.length == 0) {
return MISSING;
} else if (StringUtils.isEmpty(value[0])) {
return null;
}
return Enum.valueOf(clazz, value[0]);
}
// Map
if (Map.class.isAssignableFrom(clazz)) {
Class keyClass = String.class;
Class valueClass = String.class;
if (type instanceof ParameterizedType) {
keyClass = (Class) ((ParameterizedType) type).getActualTypeArguments()[0];
valueClass = (Class) ((ParameterizedType) type).getActualTypeArguments()[1];
}
// Special case Map<String, String>
// Multivalues composite params are binded to a Map<String, String>
// see http://play.lighthouseapp.com/projects/57987/tickets/443
if (keyClass == String.class && valueClass == String.class && isComposite(name, params)) {
Map<String, String> stringMap = Utils.filterParams(params, name);
if (stringMap.size() > 0) return stringMap;
}
// Search for all params
Map<Object, Object> r = new HashMap<Object, Object>();
for (String param : params.keySet()) {
Pattern p = Pattern.compile("^" + name + suffix + "\\[([^\\]]+)\\](.*)$");
Matcher m = p.matcher(param);
if (m.matches()) {
String key = m.group(1);
value = params.get(param);
Map<String, String[]> tP = new HashMap<String, String[]>();
tP.put("key", new String[] {key});
Object oKey = bindInternal("key", keyClass, keyClass, annotations, tP, "", value);
if (oKey != MISSING) {
if (isComposite(name + suffix + "[" + key + "]", params)) {
BeanWrapper beanWrapper = getBeanWrapper(valueClass);
Object oValue =
beanWrapper.bind(
"", type, params, name + suffix + "[" + key + "]", annotations);
r.put(oKey, oValue);
} else {
tP = new HashMap<String, String[]>();
tP.put("value", params.get(name + suffix + "[" + key + "]"));
Object oValue =
bindInternal("value", valueClass, valueClass, annotations, tP, "", value);
if (oValue != MISSING) {
r.put(oKey, oValue);
} else {
r.put(oKey, null);
}
}
}
}
}
return r;
}
// Collections types
if (Collection.class.isAssignableFrom(clazz)) {
if (clazz.isInterface()) {
if (clazz.equals(List.class)) {
clazz = ArrayList.class;
}
if (clazz.equals(Set.class)) {
clazz = HashSet.class;
}
if (clazz.equals(SortedSet.class)) {
clazz = TreeSet.class;
}
}
Collection r = (Collection) clazz.newInstance();
Class componentClass = String.class;
if (type instanceof ParameterizedType) {
componentClass = (Class) ((ParameterizedType) type).getActualTypeArguments()[0];
}
// Create a an array of the component class
if (value != null) {
Object customArray = Array.newInstance(componentClass, value.length);
// custom types
for (Class<?> c : supportedTypes.keySet()) {
if (c.isAssignableFrom(customArray.getClass())) {
Object[] ar =
(Object[])
supportedTypes
.get(c)
.bind("value", annotations, name, customArray.getClass(), null);
List l = Arrays.asList(ar);
if (clazz.equals(HashSet.class)) {
return new HashSet(l);
} else if (clazz.equals(TreeSet.class)) {
return new TreeSet(l);
}
return l;
}
}
}
if (value == null) {
value = params.get(name + suffix + "[]");
if (value == null && r instanceof List) {
for (String param : params.keySet()) {
Pattern p = Pattern.compile("^" + escape(name + suffix) + "\\[([0-9]+)\\](.*)$");
Matcher m = p.matcher(param);
if (m.matches()) {
int key = Integer.parseInt(m.group(1));
while (((List<?>) r).size() <= key) {
((List<?>) r).add(null);
}
if (isComposite(name + suffix + "[" + key + "]", params)) {
BeanWrapper beanWrapper = getBeanWrapper(componentClass);
Object oValue =
beanWrapper.bind(
"", type, params, name + suffix + "[" + key + "]", annotations);
((List) r).set(key, oValue);
} else {
Map<String, String[]> tP = new HashMap<String, String[]>();
tP.put("value", params.get(name + suffix + "[" + key + "]"));
Object oValue =
bindInternal(
"value", componentClass, componentClass, annotations, tP, "", value);
if (oValue != MISSING) {
((List) r).set(key, oValue);
}
}
}
}
return r.isEmpty() ? MISSING : r;
}
}
if (value == null) {
return MISSING;
}
for (String v : value) {
try {
r.add(directBind(name, annotations, v, componentClass));
} catch (Exception e) {
// ?? One item was bad
Logger.debug(e, "error:");
}
}
return r;
}
// Assume a Bean if isComposite
Logger.trace(
"bindInternal: class ["
+ clazz
+ "] name ["
+ name
+ "] annotation ["
+ Utils.join(annotations, " ")
+ "] isComposite ["
+ isComposite(name + suffix, params)
+ "]");
if (isComposite(name + suffix, params)) {
BeanWrapper beanWrapper = getBeanWrapper(clazz);
return beanWrapper.bind(name, type, params, suffix, annotations);
}
// Simple types
if (value == null || value.length == 0) {
return MISSING;
}
return directBind(name, annotations, value[0], clazz, type);
} catch (Exception e) {
Validation.addError(name + suffix, "validation.invalid");
return MISSING;
}
}