private static List<Map.Entry<String, Object>> orderMapEntries(
RecordDataSchema schema, DataMap map) {
List<Map.Entry<String, Object>> output = new ArrayList<Map.Entry<String, Object>>(map.size());
List<RecordDataSchema.Field> fields = schema.getFields();
// collect fields in the record schema in the order the fields are declared
for (RecordDataSchema.Field field : fields) {
String fieldName = field.getName();
Object found = map.get(fieldName);
if (found != null) {
output.add(new AbstractMap.SimpleImmutableEntry<String, Object>(fieldName, found));
}
}
// collect fields that are in the DataMap that is not in the record schema.
List<Map.Entry<String, Object>> uncollected =
new ArrayList<Map.Entry<String, Object>>(map.size() - output.size());
for (Map.Entry<String, Object> e : map.entrySet()) {
if (schema.contains(e.getKey()) == false) {
uncollected.add(e);
}
}
Collections.sort(
uncollected,
new Comparator<Map.Entry<String, Object>>() {
@Override
public int compare(Map.Entry<String, Object> o1, Map.Entry<String, Object> o2) {
return o1.getKey().compareTo(o2.getKey());
}
});
output.addAll(uncollected);
return output;
}
// TODO modify this method to accept a CollectionRequest as it's first parameter once our server
// code has been
// updated to work with the new representation of BatchUpdateRequests and
// BatchPartialUpdateRequests. As of now
// we are still converting to the old representation using
// CollectionRequestUtil.convertToBatchRequest
private static void checkInput(
DataMap dataMap, Map<Long, Greeting> inputMap, Set<String> uriIds) {
Assert.assertEquals(dataMap.size(), uriIds.size());
for (String key : dataMap.keySet()) {
DataMap inputDM = dataMap.getDataMap(key);
Greeting expectedGreeting = inputMap.get(Long.parseLong(key));
Assert.assertTrue(uriIds.contains(key));
Assert.assertTrue(inputDM.equals(expectedGreeting.data()));
}
}
/**
* Build list of {@link Validator} instances for a given "validate" property.
*
* <p>The value of the "validate" property should be a {@link DataMap}.
*
* @param validateObject the value of the "validate" property.
* @param path to the schema.
* @param source is the source that contains the "validate" property. The source is usually the
* {@link DataSchema} that contains the "validate" property except when a field contains the
* "validate" property, in this case the source is a {@link RecordDataSchema.Field}.
* @return the list of {@link Validator} instances constructed for the "validate" property.
*/
private List<Validator> buildValidatorList(
Object validateObject, List<String> path, Object source) {
List<Validator> validatorList;
if (validateObject.getClass() != DataMap.class) {
addMessage(path, "\"validate\" property of %1$s is not a DataMap\n", source);
validatorList = NO_VALIDATORS;
} else {
DataMap validateMap = (DataMap) validateObject;
List<ValidatorInfo> validatorInfoList = new ArrayList<ValidatorInfo>(validateMap.size());
for (Map.Entry<String, Object> entry : validateMap.entrySet()) {
Object config = entry.getValue();
String key = entry.getKey();
Class<? extends Validator> clazz = locateValidatorClass(key, path, source);
if (clazz == null) {
addMessage(
path,
"\"validate\" property of %1$s, unable to find Validator for \"%2$s\"\n",
source,
key);
continue;
}
if (config.getClass() != DataMap.class) {
addMessage(
path,
"\"validate\" property of %1$s, value of \"%2$s\" is not a DataMap\n",
source,
key);
continue;
}
try {
Constructor<? extends Validator> ctor = clazz.getConstructor(DataMap.class);
DataMap configDataMap = (DataMap) config;
Integer priority = configDataMap.getInteger(VALIDATOR_PRIORITY);
Validator validator = ctor.newInstance(configDataMap);
validatorInfoList.add(new ValidatorInfo(priority, validator));
} catch (Exception e) {
addMessage(
path,
"\"validate\" property of %1$s, %2$s cannot be instantiated for \"%3$s\", %4$s\n",
source,
clazz.getName(),
key,
e);
}
}
Collections.sort(validatorInfoList, PRIORITY_COMPARATOR);
validatorList = new ArrayList<Validator>(validatorInfoList.size());
for (ValidatorInfo validatorInfo : validatorInfoList) {
validatorList.add(validatorInfo._validator);
}
}
assert (validatorList != null);
return validatorList;
}
/**
* Converts a String -> Object based representation of query params into a {@link DataMap}
*
* @param queryParams
* @param queryParamClasses
* @param version
* @return
*/
public static DataMap convertToDataMap(
Map<String, Object> queryParams,
Map<String, Class<?>> queryParamClasses,
ProtocolVersion version) {
DataMap result = new DataMap(queryParams.size());
for (Map.Entry<String, Object> entry : queryParams.entrySet()) {
String key = entry.getKey();
Object value = entry.getValue();
if (RestConstants.PROJECTION_PARAMETERS.contains(key)) {
@SuppressWarnings("unchecked")
List<PathSpec> pathSpecs = (List<PathSpec>) value;
result.put(key, MaskCreator.createPositiveMask(pathSpecs).getDataMap());
} else {
result.put(key, paramToDataObject(value, queryParamClasses.get(key), version));
}
}
result.makeReadOnly();
return result;
}
private CollectionRequest<KeyValueRecord<K, PatchRequest<V>>> buildReadOnlyInput() {
try {
DataMap map = new DataMap();
@SuppressWarnings({"unchecked", "rawtypes"})
CollectionRequest<KeyValueRecord<K, PatchRequest<V>>> input =
new CollectionRequest(map, KeyValueRecord.class);
for (Map.Entry<K, PatchRequest<V>> inputEntityEntry : _partialUpdateInputMap.entrySet()) {
K key = getReadOnlyOrCopyKey(inputEntityEntry.getKey());
PatchRequest<V> entity = getReadOnlyOrCopyDataTemplate(inputEntityEntry.getValue());
KeyValueRecord<K, PatchRequest<V>> keyValueRecord =
_keyValueRecordFactory.create(key, entity);
keyValueRecord.data().setReadOnly();
input.getElements().add(keyValueRecord);
}
map.setReadOnly();
return input;
} catch (CloneNotSupportedException cloneException) {
throw new IllegalArgumentException("Entity cannot be copied.", cloneException);
}
}
private void genericCompositionTest(
DataMap data1, DataMap data2, DataMap expected, String description)
throws DataProcessingException, CloneNotSupportedException {
String dataBefore = data1.toString();
String data2Clone = data2.toString();
DataComplexProcessor processor = new DataComplexProcessor(new MaskComposition(), data2, data1);
processor.run(false);
assertEquals(
data1,
expected,
"The following test failed: \n"
+ description
+ "\nData1: "
+ dataBefore
+ "\nData2: "
+ data2
+ "\nExpected: "
+ expected
+ "\nActual result: "
+ data1);
assertEquals(data2.toString(), data2Clone, "Operation data should not be modified");
}
/**
* This method 'exposes' changes conveyed in the patch's meta commands to the main document.
* Contents of $set commands are moved to the node which contains $set command. Names of removed
* fields from $delete commands are moved to the nod which contains $delete command. The effect is
* that patch will resemble structurally document which it is supposed to modify. This allows
* application of projection to such patch to discover which changes relate to fields specified by
* that projection. Examples: $delete: ['x', 'y', 'z'] => x: true, y: true, z: true $set: {x: 10,
* y: {z: 'yeey'}, t: [10]} => x: 10, y: {z: 'yeey'}, t: [10]
*
* <p>This method works in-place, meaning that the doc may be mutated.
*/
private static void expose(DataMap doc) {
Set<String> fields = doc.keySet();
DataMap toAdd = new DataMap();
for (String f : fields) {
Object v = doc.get(f);
if (f.equals(PatchConstants.DELETE_COMMAND)) {
for (Object removedFields : (DataList) v) {
toAdd.put((String) removedFields, true);
}
} else if (f.equals(PatchConstants.SET_COMMAND)) {
toAdd.putAll((DataMap) v);
} else if (v instanceof DataMap) {
expose((DataMap) v);
}
}
doc.putAll(toAdd);
}
/**
* This method trims doc (1st arg) according to projected (2nd arg), which may have been modified
* by projection. This method works in-place, meaning that the doc may be mutated.
*/
private static void trim(DataMap doc, DataMap projected) {
DataMap toAddDoc = new DataMap();
Set<String> fields = doc.keySet();
List<String> toRemoveDoc = new ArrayList<String>(fields.size());
for (String f : fields) {
Object v = doc.get(f);
if (f.equals(PatchConstants.DELETE_COMMAND)) {
DataList deletedFields = (DataList) v;
DataList filteredDeleteFields = new DataList();
for (Object patchDeleteField : deletedFields) {
if (projected.containsKey(patchDeleteField)) {
filteredDeleteFields.add(patchDeleteField);
}
}
toRemoveDoc.add(f);
if (!filteredDeleteFields.isEmpty()) {
toAddDoc.put(PatchConstants.DELETE_COMMAND, filteredDeleteFields);
}
} else if (f.equals(PatchConstants.SET_COMMAND)) {
DataMap setFields = (DataMap) v;
Set<String> setFieldNames = setFields.keySet();
List<String> toRemove = new LinkedList<String>();
DataMap filteredSetFields = new DataMap();
for (String setFieldName : setFieldNames) {
if (projected.containsKey(setFieldName)) {
filteredSetFields.put(setFieldName, projected.get(setFieldName));
}
toRemove.add(setFieldName);
}
for (String fieldToRemove : toRemove) {
setFields.remove(fieldToRemove);
if (filteredSetFields.containsKey(fieldToRemove)) {
setFields.put(fieldToRemove, filteredSetFields.get(fieldToRemove));
}
}
if (setFields.isEmpty()) {
toRemoveDoc.add(f);
}
} else if (v instanceof DataMap) {
if (projected.containsKey(f)) {
trim((DataMap) v, (DataMap) projected.get(f));
} else {
toRemoveDoc.add(f);
}
}
}
// apply changes to doc
for (String f : toRemoveDoc) {
doc.remove(f);
}
for (String f : toAddDoc.keySet()) {
doc.put(f, toAddDoc.get(f));
}
}
static {
EMPTY_DATAMAP.makeReadOnly();
}
private Object translate(Object value, DataSchema dataSchema, Schema avroSchema) {
AvroOverride avroOverride = getAvroOverride(dataSchema);
if (avroOverride != null) {
return avroOverride
.getCustomDataTranslator()
.dataToAvroGeneric(this, value, dataSchema, avroSchema);
}
DataSchema dereferencedDataSchema = dataSchema.getDereferencedDataSchema();
DataSchema.Type type = dereferencedDataSchema.getType();
Object result;
switch (type) {
case NULL:
if (value != Data.NULL) {
appendMessage("value must be null for null schema");
result = BAD_RESULT;
break;
}
result = null;
break;
case BOOLEAN:
result = ((Boolean) value).booleanValue();
break;
case INT:
result = ((Number) value).intValue();
break;
case LONG:
result = ((Number) value).longValue();
break;
case FLOAT:
result = ((Number) value).floatValue();
break;
case DOUBLE:
result = ((Number) value).doubleValue();
break;
case STRING:
result = new Utf8((String) value);
break;
case BYTES:
result = ByteBuffer.wrap(translateBytes(value));
break;
case ENUM:
String enumValue = value.toString();
EnumDataSchema enumDataSchema = (EnumDataSchema) dereferencedDataSchema;
if (enumDataSchema.getSymbols().contains(enumValue) == false) {
appendMessage(
"enum value %1$s not one of %2$s", enumValue, enumDataSchema.getSymbols());
result = BAD_RESULT;
break;
}
result = _avroAdapter.createEnumSymbol(avroSchema, enumValue);
break;
case FIXED:
byte[] bytes = translateBytes(value);
FixedDataSchema fixedDataSchema = (FixedDataSchema) dereferencedDataSchema;
if (fixedDataSchema.getSize() != bytes.length) {
appendMessage(
"ByteString size %1$d != FixedDataSchema size %2$d",
bytes.length, fixedDataSchema.getSize());
result = null;
break;
}
GenericData.Fixed fixed = new GenericData.Fixed(avroSchema);
fixed.bytes(bytes);
result = fixed;
break;
case MAP:
DataMap map = (DataMap) value;
DataSchema valueDataSchema = ((MapDataSchema) dereferencedDataSchema).getValues();
Schema valueAvroSchema = avroSchema.getValueType();
Map<String, Object> avroMap = new HashMap<String, Object>(map.size());
for (Map.Entry<String, Object> entry : map.entrySet()) {
String key = entry.getKey();
_path.addLast(key);
Object entryAvroValue = translate(entry.getValue(), valueDataSchema, valueAvroSchema);
_path.removeLast();
avroMap.put(key, entryAvroValue);
}
result = avroMap;
break;
case ARRAY:
DataList list = (DataList) value;
DataSchema elementDataSchema = ((ArrayDataSchema) dereferencedDataSchema).getItems();
Schema elementAvroSchema = avroSchema.getElementType();
GenericData.Array<Object> avroList =
new GenericData.Array<Object>(list.size(), avroSchema);
for (int i = 0; i < list.size(); i++) {
_path.addLast(i);
Object entryAvroValue = translate(list.get(i), elementDataSchema, elementAvroSchema);
_path.removeLast();
avroList.add(entryAvroValue);
}
result = avroList;
break;
case RECORD:
map = (DataMap) value;
RecordDataSchema recordDataSchema = (RecordDataSchema) dereferencedDataSchema;
GenericData.Record avroRecord = new GenericData.Record(avroSchema);
for (RecordDataSchema.Field field : recordDataSchema.getFields()) {
String fieldName = field.getName();
DataSchema fieldDataSchema = field.getType();
Schema.Field avroField = avroSchema.getField(fieldName);
if (avroField == null) {
// field present in input but there is no field for it in Avro schema.
// TODO: Whether and how to indicate this condition to clients.
continue;
}
_path.addLast(fieldName);
Schema fieldAvroSchema = avroField.schema();
Object fieldValue = map.get(fieldName);
boolean isOptional = field.getOptional();
if (isOptional) {
if (fieldDataSchema.getDereferencedType() != DataSchema.Type.UNION) {
if (fieldValue == null) {
fieldValue = Data.NULL;
fieldDataSchema = DataSchemaConstants.NULL_DATA_SCHEMA;
}
Map.Entry<String, Schema> fieldAvroEntry =
findUnionMember(fieldDataSchema, fieldAvroSchema);
if (fieldAvroEntry == null) {
_path.removeLast();
continue;
}
fieldAvroSchema = fieldAvroEntry.getValue();
} else {
// already a union
if (fieldValue == null) {
// field is not present
fieldValue = Data.NULL;
fieldDataSchema = DataSchemaConstants.NULL_DATA_SCHEMA;
}
}
} else {
if (fieldValue == null) {
appendMessage("required field is absent");
_path.removeLast();
continue;
}
}
Object fieldAvroValue = translate(fieldValue, fieldDataSchema, fieldAvroSchema);
avroRecord.put(fieldName, fieldAvroValue);
_path.removeLast();
}
result = avroRecord;
break;
case UNION:
UnionDataSchema unionDataSchema = (UnionDataSchema) dereferencedDataSchema;
String key;
Object memberValue;
if (value == Data.NULL) {
key = DataSchemaConstants.NULL_TYPE;
memberValue = Data.NULL;
} else {
map = (DataMap) value;
Map.Entry<String, Object> entry = map.entrySet().iterator().next();
key = entry.getKey();
memberValue = entry.getValue();
}
DataSchema memberDataSchema = unionDataSchema.getType(key);
Map.Entry<String, Schema> memberAvroEntry = findUnionMember(memberDataSchema, avroSchema);
if (memberAvroEntry == null) {
result = BAD_RESULT;
break;
}
Schema memberAvroSchema = memberAvroEntry.getValue();
_path.addLast(memberAvroEntry.getKey());
Object memberAvroValue = translate(memberValue, memberDataSchema, memberAvroSchema);
_path.removeLast();
result = memberAvroValue;
break;
default:
appendMessage("schema type unknown %1$s", dereferencedDataSchema.getType());
result = BAD_RESULT;
break;
}
return result;
}
private Object translate(Object value, DataSchema dataSchema, Schema avroSchema) {
AvroOverride avroOverride = getAvroOverride(dataSchema);
if (avroOverride != null) {
return avroOverride
.getCustomDataTranslator()
.avroGenericToData(this, value, avroSchema, dataSchema);
}
DataSchema dereferencedDataSchema = dataSchema.getDereferencedDataSchema();
DataSchema.Type type = dereferencedDataSchema.getType();
Object result;
switch (type) {
case NULL:
if (value != null) {
appendMessage("value must be null for null schema");
result = BAD_RESULT;
break;
}
result = Data.NULL;
break;
case BOOLEAN:
result = ((Boolean) value).booleanValue();
break;
case INT:
result = ((Number) value).intValue();
break;
case LONG:
result = ((Number) value).longValue();
break;
case FLOAT:
result = ((Number) value).floatValue();
break;
case DOUBLE:
result = ((Number) value).doubleValue();
break;
case STRING:
result = value.toString();
break;
case BYTES:
ByteBuffer byteBuffer = (ByteBuffer) value;
ByteString byteString = ByteString.copy(byteBuffer);
byteBuffer.rewind();
result = byteString;
break;
case ENUM:
String enumValue = value.toString();
EnumDataSchema enumDataSchema = (EnumDataSchema) dereferencedDataSchema;
if (enumDataSchema.getSymbols().contains(enumValue) == false) {
appendMessage(
"enum value %1$s not one of %2$s", enumValue, enumDataSchema.getSymbols());
result = BAD_RESULT;
break;
}
result = enumValue;
break;
case FIXED:
GenericFixed fixed = (GenericFixed) value;
byte[] fixedBytes = fixed.bytes();
FixedDataSchema fixedDataSchema = (FixedDataSchema) dereferencedDataSchema;
if (fixedDataSchema.getSize() != fixedBytes.length) {
appendMessage(
"GenericFixed size %1$d != FixedDataSchema size %2$d",
fixedBytes.length, fixedDataSchema.getSize());
result = BAD_RESULT;
break;
}
byteString = ByteString.copy(fixedBytes);
result = byteString;
break;
case MAP:
@SuppressWarnings("unchecked")
Map<?, Object> map = (Map<?, Object>) value;
DataSchema valueDataSchema = ((MapDataSchema) dereferencedDataSchema).getValues();
Schema valueAvroSchema = avroSchema.getValueType();
DataMap dataMap = new DataMap(map.size());
for (Map.Entry<?, Object> entry : map.entrySet()) {
String key = entry.getKey().toString();
_path.addLast(key);
Object entryValue = translate(entry.getValue(), valueDataSchema, valueAvroSchema);
_path.removeLast();
dataMap.put(key, entryValue);
}
result = dataMap;
break;
case ARRAY:
GenericArray<?> list = (GenericArray<?>) value;
DataSchema elementDataSchema = ((ArrayDataSchema) dereferencedDataSchema).getItems();
Schema elementAvroSchema = avroSchema.getElementType();
DataList dataList = new DataList(list.size());
for (int i = 0; i < list.size(); i++) {
_path.addLast(i);
Object entryValue = translate(list.get(i), elementDataSchema, elementAvroSchema);
_path.removeLast();
dataList.add(entryValue);
}
result = dataList;
break;
case RECORD:
GenericRecord record = (GenericRecord) value;
RecordDataSchema recordDataSchema = (RecordDataSchema) dereferencedDataSchema;
dataMap = new DataMap(avroSchema.getFields().size());
for (RecordDataSchema.Field field : recordDataSchema.getFields()) {
String fieldName = field.getName();
Object fieldValue = record.get(fieldName);
// fieldValue could be null if the Avro schema does not contain the named field or
// the field is present with a null value. In either case we do not add a value
// to the translated DataMap. We do not consider optional/required/default here
// either (i.e. it is not an error if a required field is missing); the user can
// later call ValidateDataAgainstSchema with various
// settings for RequiredMode to obtain the desired behaviour.
if (fieldValue == null) {
continue;
}
boolean isOptional = field.getOptional();
DataSchema fieldDataSchema = field.getType();
Schema fieldAvroSchema = avroSchema.getField(fieldName).schema();
if (isOptional && (fieldDataSchema.getDereferencedType() != DataSchema.Type.UNION)) {
// Avro schema should be union with 2 types: null and the field's type.
Map.Entry<String, Schema> fieldAvroEntry =
findUnionMember(fieldDataSchema, fieldAvroSchema);
if (fieldAvroEntry == null) {
continue;
}
fieldAvroSchema = fieldAvroEntry.getValue();
}
_path.addLast(fieldName);
dataMap.put(fieldName, translate(fieldValue, fieldDataSchema, fieldAvroSchema));
_path.removeLast();
}
result = dataMap;
break;
case UNION:
UnionDataSchema unionDataSchema = (UnionDataSchema) dereferencedDataSchema;
Map.Entry<DataSchema, Schema> memberSchemas =
findUnionMemberSchema(value, unionDataSchema, avroSchema);
if (memberSchemas == null) {
result = BAD_RESULT;
break;
}
if (value == null) {
// schema must be "null" schema
result = Data.NULL;
} else {
DataSchema memberDataSchema = memberSchemas.getKey();
Schema memberAvroSchema = memberSchemas.getValue();
String key = memberDataSchema.getUnionMemberKey();
dataMap = new DataMap(1);
_path.addLast(key);
dataMap.put(key, translate(value, memberDataSchema, memberAvroSchema));
_path.removeLast();
result = dataMap;
}
break;
default:
appendMessage("schema type unknown %1$s", dereferencedDataSchema.getType());
result = BAD_RESULT;
break;
}
return result;
}
static {
ENTITY_BODY.put("testFieldName", "testValue");
ENTITY_BODY.put("testInteger", 1);
}
/**
* Build arguments for resource method invocation. Combines various types of arguments into a
* single array.
*
* @param positionalArguments pass-through arguments coming from {@link RestLiArgumentBuilder}
* @param resourceMethod the resource method
* @param context {@link ResourceContext}
* @param template {@link DynamicRecordTemplate}
* @return array of method argument for method invocation.
*/
@SuppressWarnings("deprecation")
public static Object[] buildArgs(
final Object[] positionalArguments,
final ResourceMethodDescriptor resourceMethod,
final ResourceContext context,
final DynamicRecordTemplate template) {
List<Parameter<?>> parameters = resourceMethod.getParameters();
Object[] arguments = Arrays.copyOf(positionalArguments, parameters.size());
fixUpComplexKeySingletonArraysInArguments(arguments);
for (int i = positionalArguments.length; i < parameters.size(); ++i) {
Parameter<?> param = parameters.get(i);
try {
if (param.getParamType() == Parameter.ParamType.KEY
|| param.getParamType() == Parameter.ParamType.ASSOC_KEY_PARAM) {
Object value = context.getPathKeys().get(param.getName());
if (value != null) {
arguments[i] = value;
continue;
}
} else if (param.getParamType() == Parameter.ParamType.CALLBACK) {
continue;
} else if (param.getParamType() == Parameter.ParamType.PARSEQ_CONTEXT_PARAM
|| param.getParamType() == Parameter.ParamType.PARSEQ_CONTEXT) {
continue; // don't know what to fill in yet
} else if (param.getParamType() == Parameter.ParamType.HEADER) {
HeaderParam headerParam = param.getAnnotations().get(HeaderParam.class);
String value = context.getRequestHeaders().get(headerParam.value());
arguments[i] = value;
continue;
}
// Since we have multiple different types of MaskTrees that can be passed into resource
// methods,
// we must evaluate based on the param type (annotation used)
else if (param.getParamType() == Parameter.ParamType.PROJECTION
|| param.getParamType() == Parameter.ParamType.PROJECTION_PARAM) {
arguments[i] = context.getProjectionMask();
continue;
} else if (param.getParamType() == Parameter.ParamType.METADATA_PROJECTION_PARAM) {
arguments[i] = context.getMetadataProjectionMask();
continue;
} else if (param.getParamType() == Parameter.ParamType.PAGING_PROJECTION_PARAM) {
arguments[i] = context.getPagingProjectionMask();
continue;
} else if (param.getParamType() == Parameter.ParamType.CONTEXT
|| param.getParamType() == Parameter.ParamType.PAGING_CONTEXT_PARAM) {
PagingContext ctx =
RestUtils.getPagingContext(context, (PagingContext) param.getDefaultValue());
arguments[i] = ctx;
continue;
} else if (param.getParamType() == Parameter.ParamType.PATH_KEYS
|| param.getParamType() == Parameter.ParamType.PATH_KEYS_PARAM) {
arguments[i] = context.getPathKeys();
continue;
} else if (param.getParamType() == Parameter.ParamType.RESOURCE_CONTEXT
|| param.getParamType() == Parameter.ParamType.RESOURCE_CONTEXT_PARAM) {
arguments[i] = context;
continue;
} else if (param.getParamType() == Parameter.ParamType.VALIDATOR_PARAM) {
RestLiDataValidator validator =
new RestLiDataValidator(
resourceMethod.getResourceModel().getResourceClass().getAnnotations(),
resourceMethod.getResourceModel().getValueClass(),
resourceMethod.getMethodType());
arguments[i] = validator;
continue;
} else if (param.getParamType() == Parameter.ParamType.POST) {
// handle action parameters
if (template != null) {
DataMap data = template.data();
if (data.containsKey(param.getName())) {
arguments[i] = template.getValue(param);
continue;
}
}
} else if (param.getParamType() == Parameter.ParamType.QUERY) {
Object value;
if (DataTemplate.class.isAssignableFrom(param.getType())) {
value = buildDataTemplateArgument(context, param);
} else {
value = buildRegularArgument(context, param);
}
if (value != null) {
arguments[i] = value;
continue;
}
} else if (param.getParamType() == Parameter.ParamType.BATCH
|| param.getParamType() == Parameter.ParamType.RESOURCE_KEY) {
// should not come to this routine since it should be handled by passing in
// positionalArguments
throw new RoutingException(
"Parameter '" + param.getName() + "' should be passed in as a positional argument",
HttpStatus.S_400_BAD_REQUEST.getCode());
} else {
// unknown param type
throw new RoutingException(
"Parameter '"
+ param.getName()
+ "' has an unknown parameter type '"
+ param.getParamType().name()
+ "'",
HttpStatus.S_400_BAD_REQUEST.getCode());
}
} catch (TemplateRuntimeException e) {
throw new RoutingException(
"Parameter '" + param.getName() + "' is invalid",
HttpStatus.S_400_BAD_REQUEST.getCode());
}
try {
// Handling null-valued parameters not provided in resource context or entity body
// check if it is optional parameter
if (param.isOptional() && param.hasDefaultValue()) {
arguments[i] = param.getDefaultValue();
} else if (param.isOptional() && !param.getType().isPrimitive()) {
// optional primitive parameter must have default value or provided
arguments[i] = null;
} else {
throw new RoutingException(
"Parameter '" + param.getName() + "' is required",
HttpStatus.S_400_BAD_REQUEST.getCode());
}
} catch (ResourceConfigException e) {
// Parameter default value format exception should result in server error code 500.
throw new RestLiServiceException(
HttpStatus.S_500_INTERNAL_SERVER_ERROR,
"Parameter '" + param.getName() + "' default value is invalid",
e);
}
}
return arguments;
}