public Set<String> getKeys(ObjectNode node) {
Set<String> keys = new LinkedHashSet<>();
if (node == null) {
return keys;
}
Iterator<String> it = node.fieldNames();
while (it.hasNext()) {
keys.add(it.next());
}
return keys;
}
public ExternalDocs externalDocs(ObjectNode node, String location, ParseResult result) {
ExternalDocs output = null;
if (node != null) {
output = new ExternalDocs();
Set<String> keys = getKeys(node);
String value = getString("description", node, false, location, result);
output.description(value);
value = getString("url", node, true, location, result);
output.url(value);
// extra keys
for (String key : keys) {
if (key.startsWith("x-")) {
output.setVendorExtension(key, extension(node.get(key)));
} else if (!EXTERNAL_DOCS_KEYS.contains(key)) {
result.extra(location + ".externalDocs", key, node.get(key));
}
}
}
return output;
}
public Tag tag(ObjectNode node, String location, ParseResult result) {
Tag tag = null;
if (node != null) {
tag = new Tag();
Set<String> keys = getKeys(node);
String value = getString("name", node, true, location, result);
tag.name(value);
value = getString("description", node, false, location, result);
tag.description(value);
ObjectNode externalDocs = getObject("externalDocs", node, false, location, result);
ExternalDocs docs = externalDocs(externalDocs, location + "externalDocs", result);
tag.externalDocs(docs);
// extra keys
for (String key : keys) {
if (key.startsWith("x-")) {
tag.setVendorExtension(key, extension(node.get(key)));
} else if (!TAG_KEYS.contains(key)) {
result.extra(location + ".externalDocs", key, node.get(key));
}
}
}
return tag;
}
public Response response(ObjectNode node, String location, ParseResult result) {
if (node == null) return null;
Response output = new Response();
JsonNode ref = node.get("$ref");
if (ref != null) {
if (ref.getNodeType().equals(JsonNodeType.STRING)) {
return refResponse((TextNode) ref, location, result);
} else {
result.invalidType(location, "$ref", "string", node);
return null;
}
}
String value = getString("description", node, true, location, result);
output.description(value);
ObjectNode schema = getObject("schema", node, false, location, result);
if (schema != null) {
output.schema(Json.mapper().convertValue(schema, Property.class));
}
ObjectNode headersNode = getObject("headers", node, false, location, result);
if (headersNode != null) {
// TODO
Map<String, Property> headers =
Json.mapper()
.convertValue(
headersNode,
Json.mapper()
.getTypeFactory()
.constructMapType(Map.class, String.class, Property.class));
output.headers(headers);
}
ObjectNode examplesNode = getObject("examples", node, false, location, result);
if (examplesNode != null) {
Map<String, Object> examples =
Json.mapper()
.convertValue(
examplesNode,
Json.mapper()
.getTypeFactory()
.constructMapType(Map.class, String.class, Object.class));
output.setExamples(examples);
}
// extra keys
Set<String> keys = getKeys(node);
for (String key : keys) {
if (key.startsWith("x-")) {
output.setVendorExtension(key, extension(node.get(key)));
} else if (!RESPONSE_KEYS.contains(key)) {
result.extra(location, key, node.get(key));
}
}
return output;
}
public RefModel refModel(ObjectNode node, String location, ParseResult result) {
RefModel output = new RefModel();
if (node.getNodeType().equals(JsonNodeType.OBJECT)) {
String refValue = ((TextNode) node.get("$ref")).textValue();
output.set$ref(refValue);
} else {
result.invalidType(location, "$ref", "object", node);
return null;
}
// extra keys
Set<String> keys = getKeys(node);
for (String key : keys) {
if (!REF_MODEL_KEYS.contains(key)) {
result.extra(location, key, node.get(key));
}
}
return output;
}
public License license(ObjectNode node, String location, ParseResult result) {
if (node == null) return null;
License license = new License();
String value = getString("name", node, true, location, result);
license.name(value);
value = getString("url", node, false, location, result);
license.url(value);
// extra keys
Set<String> keys = getKeys(node);
for (String key : keys) {
if (key.startsWith("x-")) {
license.setVendorExtension(key, extension(node.get(key)));
} else if (!LICENSE_KEYS.contains(key)) {
result.extra(location + ".license", key, node.get(key));
}
}
return license;
}
public Contact contact(ObjectNode node, String location, ParseResult result) {
if (node == null) return null;
Contact contact = new Contact();
String value = getString("name", node, false, location + ".name", result);
contact.name(value);
value = getString("url", node, false, location + ".url", result);
contact.url(value);
value = getString("email", node, false, location + ".email", result);
contact.email(value);
// extra keys
Set<String> keys = getKeys(node);
for (String key : keys) {
if (!CONTACT_KEYS.contains(key)) {
result.extra(location + ".contact", key, node.get(key));
}
}
return contact;
}
public Info info(ObjectNode node, String location, ParseResult result) {
if (node == null) return null;
Info info = new Info();
String value = getString("title", node, true, location, result);
info.title(value);
value = getString("description", node, false, location, result);
info.description(value);
value = getString("termsOfService", node, false, location, result);
info.termsOfService(value);
ObjectNode obj = getObject("contact", node, false, "contact", result);
Contact contact = contact(obj, location, result);
info.contact(contact);
obj = getObject("license", node, false, location, result);
License license = license(obj, location, result);
info.license(license);
value = getString("version", node, false, location, result);
info.version(value);
// extra keys
Set<String> keys = getKeys(node);
for (String key : keys) {
if (key.startsWith("x-")) {
info.setVendorExtension(key, extension(node.get(key)));
} else if (!INFO_KEYS.contains(key)) {
result.extra(location, key, node.get(key));
}
}
return info;
}
public Model definition(ObjectNode node, String location, ParseResult result) {
if (node == null) {
result.missing(location, "empty schema");
}
if (node.get("$ref") != null) {
return refModel(node, location, result);
}
if (node.get("allOf") != null) {
return allOfModel(node, location, result);
}
Model model = null;
String value = null;
String type = getString("type", node, false, location, result);
Model m = new ModelImpl();
if ("array".equals(type)) {
ArrayModel am = new ArrayModel();
ObjectNode propertyNode = getObject("properties", node, false, location, result);
Map<String, Property> properties = properties(propertyNode, location, result);
am.setProperties(properties);
ObjectNode itemsNode = getObject("items", node, false, location, result);
Property items = property(itemsNode, location, result);
if (items != null) {
am.items(items);
}
model = am;
} else {
ModelImpl impl = new ModelImpl();
impl.setType(value);
JsonNode ap = node.get("additionalProperties");
if (ap != null && ap.getNodeType().equals(JsonNodeType.OBJECT)) {
impl.setAdditionalProperties(Json.mapper().convertValue(ap, Property.class));
}
value = getString("default", node, false, location, result);
impl.setDefaultValue(value);
value = getString("format", node, false, location, result);
impl.setFormat(value);
value = getString("discriminator", node, false, location, result);
impl.setDiscriminator(value);
JsonNode xml = node.get("xml");
if (xml != null) {
impl.setXml(Json.mapper().convertValue(xml, Xml.class));
}
ObjectNode externalDocs = getObject("externalDocs", node, false, location, result);
ExternalDocs docs = externalDocs(externalDocs, location, result);
impl.setExternalDocs(docs);
ObjectNode properties = getObject("properties", node, true, location, result);
if (properties != null) {
Set<String> propertyNames = getKeys(properties);
for (String propertyName : propertyNames) {
JsonNode propertyNode = properties.get(propertyName);
if (propertyNode.getNodeType().equals(JsonNodeType.OBJECT)) {
ObjectNode on = (ObjectNode) propertyNode;
Property property = property(on, location, result);
impl.property(propertyName, property);
} else {
result.invalidType(location, "properties", "object", propertyNode);
}
}
}
// need to set properties first
ArrayNode required = getArray("required", node, false, location, result);
if (required != null) {
List<String> requiredProperties = new ArrayList<String>();
for (JsonNode n : required) {
if (n.getNodeType().equals(JsonNodeType.STRING)) {
requiredProperties.add(((TextNode) n).textValue());
} else {
result.invalidType(location, "required", "string", n);
}
}
if (requiredProperties.size() > 0) {
impl.setRequired(requiredProperties);
}
}
// extra keys
Set<String> keys = getKeys(node);
for (String key : keys) {
if (key.startsWith("x-")) {
impl.setVendorExtension(key, extension(node.get(key)));
} else if (!SCHEMA_KEYS.contains(key)) {
result.extra(location, key, node.get(key));
}
}
if ("{ }".equals(Json.pretty(impl))) return null;
model = impl;
}
JsonNode exampleNode = node.get("example");
if (exampleNode != null) {
// we support text or object nodes
if (exampleNode.getNodeType().equals(JsonNodeType.OBJECT)) {
ObjectNode on = getObject("example", node, false, location, result);
if (on != null) {
model.setExample(on);
}
} else {
model.setExample(exampleNode.asText());
}
}
if (model != null) {
value = getString("description", node, false, location, result);
model.setDescription(value);
value = getString("title", node, false, location, result);
model.setTitle(value);
}
return model;
}
public Parameter parameter(ObjectNode obj, String location, ParseResult result) {
if (obj == null) {
return null;
}
Parameter output = null;
JsonNode ref = obj.get("$ref");
if (ref != null) {
if (ref.getNodeType().equals(JsonNodeType.STRING)) {
return refParameter((TextNode) ref, location, result);
} else {
result.invalidType(location, "$ref", "string", obj);
return null;
}
}
String l = null;
JsonNode ln = obj.get("name");
if (ln != null) {
l = ln.asText();
} else {
l = "['unknown']";
}
location += ".[" + l + "]";
String value = getString("in", obj, true, location, result);
if (value != null) {
String type = getString("type", obj, false, location, result);
String format = getString("format", obj, false, location, result);
AbstractSerializableParameter<?> sp = null;
if ("query".equals(value)) {
sp = new QueryParameter();
} else if ("header".equals(value)) {
sp = new HeaderParameter();
} else if ("path".equals(value)) {
sp = new PathParameter();
} else if ("formData".equals(value)) {
sp = new FormParameter();
}
if (sp != null) {
// type is mandatory when sp != null
getString("type", obj, true, location, result);
Map<PropertyBuilder.PropertyId, Object> map =
new HashMap<PropertyBuilder.PropertyId, Object>();
map.put(TYPE, type);
map.put(FORMAT, format);
String defaultValue = getString("default", obj, false, location, result);
map.put(DEFAULT, defaultValue);
sp.setDefault(defaultValue);
Double dbl = getDouble("maximum", obj, false, location, result);
if (dbl != null) {
map.put(MAXIMUM, dbl);
sp.setMaximum(dbl);
}
Boolean bl = getBoolean("exclusiveMaximum", obj, false, location, result);
if (bl != null) {
map.put(EXCLUSIVE_MAXIMUM, bl);
sp.setExclusiveMaximum(bl);
}
dbl = getDouble("minimum", obj, false, location, result);
if (dbl != null) {
map.put(MINIMUM, dbl);
sp.setMinimum(dbl);
}
bl = getBoolean("exclusiveMinimum", obj, false, location, result);
if (bl != null) {
map.put(EXCLUSIVE_MINIMUM, bl);
sp.setExclusiveMinimum(bl);
}
map.put(MAX_LENGTH, getInteger("maxLength", obj, false, location, result));
map.put(MIN_LENGTH, getInteger("minLength", obj, false, location, result));
String pat = getString("pattern", obj, false, location, result);
map.put(PATTERN, pat);
sp.setPattern(pat);
Integer iv = getInteger("maxItems", obj, false, location, result);
map.put(MAX_ITEMS, iv);
sp.setMaxItems(iv);
iv = getInteger("minItems", obj, false, location, result);
map.put(MIN_ITEMS, iv);
sp.setMinItems(iv);
map.put(UNIQUE_ITEMS, getBoolean("uniqueItems", obj, false, location, result));
ArrayNode an = getArray("enum", obj, false, location, result);
if (an != null) {
List<String> _enum = new ArrayList<String>();
for (JsonNode n : an) {
_enum.add(n.textValue());
}
sp.setEnum(_enum);
map.put(ENUM, _enum);
}
Property prop = PropertyBuilder.build(type, format, map);
if (prop != null) {
sp.setProperty(prop);
ObjectNode items = getObject("items", obj, false, location, result);
if (items != null) {
Property inner = schema(null, items, location, result);
sp.setItems(inner);
}
}
Set<String> keys = getKeys(obj);
for (String key : keys) {
if (key.startsWith("x-")) {
sp.setVendorExtension(key, extension(obj.get(key)));
} else if (!PARAMETER_KEYS.contains(key)) {
result.extra(location, key, obj.get(key));
}
}
String collectionFormat = getString("collectionFormat", obj, false, location, result);
sp.setCollectionFormat(collectionFormat);
output = sp;
} else if ("body".equals(value)) {
output = Json.mapper().convertValue(obj, Parameter.class);
}
if (output != null) {
value = getString("name", obj, true, location, result);
output.setName(value);
value = getString("description", obj, false, location, result);
output.setDescription(value);
Boolean required = getBoolean("required", obj, false, location, result);
if (required != null) {
output.setRequired(required);
}
}
}
return output;
}
public Operation operation(ObjectNode obj, String location, ParseResult result) {
if (obj == null) {
return null;
}
Operation output = new Operation();
ArrayNode array = getArray("tags", obj, false, location, result);
List<String> tags = tagStrings(array, location, result);
if (tags != null) {
output.tags(tags);
}
String value = getString("summary", obj, false, location, result);
output.summary(value);
value = getString("description", obj, false, location, result);
output.description(value);
ObjectNode externalDocs = getObject("externalDocs", obj, false, location, result);
ExternalDocs docs = externalDocs(externalDocs, location, result);
output.setExternalDocs(docs);
value = getString("operationId", obj, false, location, result);
output.operationId(value);
array = getArray("consumes", obj, false, location, result);
if (array != null) {
if (array.size() == 0) {
output.consumes(Collections.<String>emptyList());
} else {
Iterator<JsonNode> it = array.iterator();
while (it.hasNext()) {
JsonNode n = it.next();
String s = getString(n, location + ".consumes", result);
if (s != null) {
output.consumes(s);
}
}
}
}
array = getArray("produces", obj, false, location, result);
if (array != null) {
if (array.size() == 0) {
output.produces(Collections.<String>emptyList());
} else {
Iterator<JsonNode> it = array.iterator();
while (it.hasNext()) {
JsonNode n = it.next();
String s = getString(n, location + ".produces", result);
if (s != null) {
output.produces(s);
}
}
}
}
ArrayNode parameters = getArray("parameters", obj, false, location, result);
output.setParameters(parameters(parameters, location, result));
ObjectNode responses = getObject("responses", obj, true, location, result);
output.setResponses(responses(responses, location, result));
array = getArray("schemes", obj, false, location, result);
if (array != null) {
Iterator<JsonNode> it = array.iterator();
while (it.hasNext()) {
JsonNode n = it.next();
String s = getString(n, location + ".schemes", result);
if (s != null) {
Scheme scheme = Scheme.forValue(s);
if (scheme != null) {
output.scheme(scheme);
}
}
}
}
Boolean deprecated = getBoolean("deprecated", obj, false, location, result);
if (deprecated != null) {
output.setDeprecated(deprecated);
}
array = getArray("security", obj, false, location, result);
List<SecurityRequirement> security = securityRequirements(array, location, result);
if (security != null) {
List<Map<String, List<String>>> ss = new ArrayList<>();
for (SecurityRequirement s : security) {
if (s.getRequirements() != null && s.getRequirements().size() > 0) {
ss.add(s.getRequirements());
}
}
output.setSecurity(ss);
}
// extra keys
Set<String> keys = getKeys(obj);
for (String key : keys) {
if (key.startsWith("x-")) {
output.setVendorExtension(key, extension(obj.get(key)));
} else if (!OPERATION_KEYS.contains(key)) {
result.extra(location, key, obj.get(key));
}
}
return output;
}
public Path path(ObjectNode obj, String location, ParseResult result) {
boolean hasRef = false;
Path output = null;
if (obj.get("$ref") != null) {
JsonNode ref = obj.get("$ref");
if (ref.getNodeType().equals(JsonNodeType.STRING)) {
return pathRef((TextNode) ref, location, result);
} else if (ref.getNodeType().equals(JsonNodeType.OBJECT)) {
ObjectNode on = (ObjectNode) ref;
// extra keys
Set<String> keys = getKeys(on);
for (String key : keys) {
result.extra(location, key, on.get(key));
}
}
return null;
}
Path path = new Path();
ArrayNode parameters = getArray("parameters", obj, false, location, result);
path.setParameters(parameters(parameters, location, result));
ObjectNode on = getObject("get", obj, false, location, result);
if (on != null) {
Operation op = operation(on, location + "(get)", result);
if (op != null) {
path.setGet(op);
}
}
on = getObject("put", obj, false, location, result);
if (on != null) {
Operation op = operation(on, location + "(put)", result);
if (op != null) {
path.setPut(op);
}
}
on = getObject("post", obj, false, location, result);
if (on != null) {
Operation op = operation(on, location + "(post)", result);
if (op != null) {
path.setPost(op);
}
}
on = getObject("head", obj, false, location, result);
if (on != null) {
Operation op = operation(on, location + "(head)", result);
if (op != null) {
path.setHead(op);
}
}
on = getObject("delete", obj, false, location, result);
if (on != null) {
Operation op = operation(on, location + "(delete)", result);
if (op != null) {
path.setDelete(op);
}
}
on = getObject("patch", obj, false, location, result);
if (on != null) {
Operation op = operation(on, location + "(patch)", result);
if (op != null) {
path.setPatch(op);
}
}
on = getObject("options", obj, false, location, result);
if (on != null) {
Operation op = operation(on, location + "(options)", result);
if (op != null) {
path.setOptions(op);
}
}
// extra keys
Set<String> keys = getKeys(obj);
for (String key : keys) {
if (key.startsWith("x-")) {
path.setVendorExtension(key, extension(obj.get(key)));
} else if (!PATH_KEYS.contains(key)) {
result.extra(location, key, obj.get(key));
}
}
return path;
}
public Swagger parseRoot(JsonNode node, ParseResult result) {
String location = "";
Swagger swagger = new Swagger();
if (node.getNodeType().equals(JsonNodeType.OBJECT)) {
ObjectNode on = (ObjectNode) node;
Iterator<JsonNode> it = null;
// required
String value = getString("swagger", on, true, location, result);
swagger.setSwagger(value);
ObjectNode obj = getObject("info", on, true, "", result);
if (obj != null) {
Info info = info(obj, "info", result);
swagger.info(info);
}
// optional
value = getString("host", on, false, location, result);
swagger.setHost(value);
value = getString("basePath", on, false, location, result);
swagger.setBasePath(value);
ArrayNode array = getArray("schemes", on, false, location, result);
if (array != null) {
it = array.iterator();
while (it.hasNext()) {
JsonNode n = it.next();
String s = getString(n, location + ".schemes", result);
if (s != null) {
Scheme scheme = Scheme.forValue(s);
if (scheme != null) {
swagger.scheme(scheme);
}
}
}
}
array = getArray("consumes", on, false, location, result);
if (array != null) {
it = array.iterator();
while (it.hasNext()) {
JsonNode n = it.next();
String s = getString(n, location + ".consumes", result);
if (s != null) {
swagger.consumes(s);
}
}
}
array = getArray("produces", on, false, location, result);
if (array != null) {
it = array.iterator();
while (it.hasNext()) {
JsonNode n = it.next();
String s = getString(n, location + ".produces", result);
if (s != null) {
swagger.produces(s);
}
}
}
obj = getObject("paths", on, true, location, result);
Map<String, Path> paths = paths(obj, "paths", result);
swagger.paths(paths);
obj = getObject("definitions", on, false, location, result);
Map<String, Model> definitions = definitions(obj, "definitions", result);
swagger.setDefinitions(definitions);
obj = getObject("parameters", on, false, location, result);
// TODO: parse
Map<String, Parameter> parameters =
Json.mapper()
.convertValue(
obj,
Json.mapper()
.getTypeFactory()
.constructMapType(Map.class, String.class, Parameter.class));
swagger.setParameters(parameters);
obj = getObject("responses", on, false, location, result);
Map<String, Response> responses = responses(obj, "responses", result);
swagger.responses(responses);
obj = getObject("securityDefinitions", on, false, location, result);
Map<String, SecuritySchemeDefinition> securityDefinitions =
securityDefinitions(obj, location, result);
swagger.setSecurityDefinitions(securityDefinitions);
array = getArray("security", on, false, location, result);
List<SecurityRequirement> security = securityRequirements(array, location, result);
swagger.setSecurity(security);
array = getArray("tags", on, false, location, result);
List<Tag> tags = tags(array, location, result);
swagger.tags(tags);
obj = getObject("externalDocs", on, false, location, result);
ExternalDocs docs = externalDocs(obj, location, result);
swagger.externalDocs(docs);
// extra keys
Set<String> keys = getKeys(on);
for (String key : keys) {
if (key.startsWith("x-")) {
swagger.vendorExtension(key, extension(on.get(key)));
} else if (!ROOT_KEYS.contains(key)) {
result.extra(location, key, node.get(key));
}
}
} else {
result.invalidType("", "", "object", node);
result.invalid();
return null;
}
return swagger;
}