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io.swagger.parser.SwaggerResolver Maven / Gradle / Ivy
package io.swagger.parser;
import io.swagger.parser.util.RemoteUrl;
import com.wordnik.swagger.util.Json;
import com.wordnik.swagger.models.*;
import com.wordnik.swagger.models.parameters.*;
import com.wordnik.swagger.models.properties.*;
import com.wordnik.swagger.models.auth.AuthorizationValue;
import com.fasterxml.jackson.databind.JsonNode;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.ServiceLoader;
import java.util.*;
import java.io.IOException;
public class SwaggerResolver {
Logger LOGGER = LoggerFactory.getLogger(SwaggerResolver.class);
protected Swagger swagger;
protected Map> resolutionMap = new HashMap>();
protected ResolverOptions opts;
public SwaggerResolver(){}
public SwaggerResolver(ResolverOptions opts) {
this.opts = opts;
}
public Swagger resolve(Swagger swagger, List auths) {
if(swagger == null)
return null;
this.swagger = swagger;
// models
detectModelRefs();
// operations
detectOperationRefs();
applyResolutions(auths);
return this.swagger;
}
public void applyResolutions(List auths) {
// hosts to call
Map> hostToObjectMap = new HashMap>();
for(String path : resolutionMap.keySet()) {
String[] parts = path.split("#");
if(parts.length == 2) {
String host = parts[0];
String definitionPath = parts[1];
List objectList = hostToObjectMap.get(host);
if(objectList == null) {
objectList = new ArrayList();
hostToObjectMap.put(host, objectList);
}
List contexts = resolutionMap.get(path);
for(ResolutionContext ctx : contexts) {
Object mapping = ctx.object;
Object target = ctx.parent;
try {
String contents = null;
if(host.startsWith("http"))
contents = new RemoteUrl().urlToString(host, auths);
else
contents = Json.mapper().writeValueAsString(swagger);
JsonNode location = null;
String locationName = null;
if(contents != null) {
location = Json.mapper().readTree(contents);
String[] objectPath = definitionPath.split("/");
for(String objectPathPart : objectPath) {
LOGGER.debug("getting part " + objectPathPart);
if(objectPathPart.length() > 0 && location != null) {
location = location.get(objectPathPart);
locationName = objectPathPart;
}
}
}
if(location != null) {
// convert the node to the proper type
if(mapping instanceof Property) {
Model model = Json.mapper().convertValue(location, Model.class);
if(mapping instanceof RefProperty) {
RefProperty ref = (RefProperty) mapping;
ref.set$ref(locationName);
swagger.addDefinition(locationName, model);
}
}
else if(target instanceof Parameter) {
if(mapping instanceof RefModel) {
Model model = Json.mapper().convertValue(location, Model.class);
RefModel ref = (RefModel) mapping;
ref.set$ref(locationName);
swagger.addDefinition(locationName, model);
}
}
else if(target instanceof Operation) {
// get the operation position
Operation operation = (Operation) target;
int position = 0;
for(Parameter param : operation.getParameters()) {
if(param instanceof RefParameter) {
RefParameter ref = (RefParameter) param;
if(ref.getSimpleRef().equals(locationName)) {
// found a match!
Parameter remoteParam = Json.mapper().convertValue(location, Parameter.class);
operation.getParameters().set(position, remoteParam);
}
}
position += 1;
}
}
}
}
catch(Exception e) {
// failed to get it
e.printStackTrace();
}
}
}
}
}
public void detectOperationRefs() {
Map paths = swagger.getPaths();
if(paths == null) return;
for(String pathName : paths.keySet()) {
Path path = paths.get(pathName);
List operations = path.getOperations();
for(Operation operation : operations) {
if(operation.getParameters() != null) {
for(Parameter parameter : operation.getParameters()) {
if(parameter instanceof BodyParameter) {
BodyParameter bp = (BodyParameter) parameter;
if(bp.getSchema() != null && bp.getSchema() instanceof RefModel) {
RefModel ref = (RefModel)bp.getSchema();
String key = ref.get$ref();
if(key.startsWith("http")) {
LOGGER.debug("added reference to " + key);
List m = resolutionMap.get(key);
if(m == null) {
m = new ArrayList();
}
m.add(new ResolutionContext(ref, bp, "ref"));
resolutionMap.put(key, m);
}
}
}
else if(parameter instanceof RefParameter) {
RefParameter ref = (RefParameter) parameter;
String key = ref.get$ref();
LOGGER.debug("added reference to " + ref);
List m = resolutionMap.get(key);
if(m == null) {
m = new ArrayList();
}
m.add(new ResolutionContext(ref, operation, "inline"));
resolutionMap.put(key, m);
}
}
}
if(operation.getResponses() != null) {
for(String responseCode : operation.getResponses().keySet()) {
Response response = operation.getResponses().get(responseCode);
if(response.getSchema() != null) {
Property schema = response.getSchema();
if(schema instanceof RefProperty) {
RefProperty ref = (RefProperty) schema;
String key = ref.get$ref();
if(key != null && key.startsWith("http")) {
List m = resolutionMap.get(key);
if(m == null) {
m = new ArrayList();
}
m.add(new ResolutionContext(ref, response, "ref"));
resolutionMap.put(key, m);
}
}
}
}
}
}
}
}
public void detectModelRefs() {
Map models = swagger.getDefinitions();
if(models != null) {
for(String modelName : models.keySet()) {
LOGGER.debug("looking at " + modelName);
Model model = models.get(modelName);
if(model instanceof RefModel) {
RefModel ref = (RefModel) model;
String key = ref.get$ref();
if(key != null && key.startsWith("http")) {
LOGGER.debug("added reference to " + key);
List m = resolutionMap.get(key);
if(m == null) {
m = new ArrayList();
}
m.add(new ResolutionContext(ref, swagger.getDefinitions(), "ref"));
resolutionMap.put(key, m);
}
}
else if(model instanceof ArrayModel) {
ArrayModel arrayModel = (ArrayModel) model;
if(arrayModel.getItems() != null && arrayModel.getItems() instanceof RefProperty) {
RefProperty ref = (RefProperty)arrayModel.getItems();
String key = ref.get$ref();
if(key != null && key.startsWith("http")) {
LOGGER.debug("added reference to " + key);
List m = resolutionMap.get(key);
if(m == null) {
m = new ArrayList();
}
m.add(new ResolutionContext(ref, swagger.getDefinitions(), "ref"));
resolutionMap.put(key, m);
}
}
}
else if(model instanceof ModelImpl) {
ModelImpl impl = (ModelImpl) model;
Map properties = impl.getProperties();
if(properties != null) {
for(String propertyName : properties.keySet()) {
Property property = properties.get(propertyName);
if(property instanceof RefProperty) {
RefProperty ref = (RefProperty)property;
String key = ref.get$ref();
if(key != null && key.startsWith("http")) {
LOGGER.debug("added reference to " + key);
List m = resolutionMap.get(key);
if(m == null) {
m = new ArrayList();
}
m.add(new ResolutionContext(ref, impl, "ref"));
resolutionMap.put(key, m);
}
}
else if(property instanceof ArrayProperty) {
ArrayProperty arrayProperty = (ArrayProperty) property;
if(arrayProperty.getItems() != null && arrayProperty.getItems() instanceof RefProperty) {
RefProperty ref = (RefProperty)arrayProperty.getItems();
String key = ref.get$ref();
if(key != null && key.startsWith("http")) {
LOGGER.debug("added reference to " + key);
List m = resolutionMap.get(key);
if(m == null) {
m = new ArrayList();
}
m.add(new ResolutionContext(ref, arrayProperty, "ref"));
resolutionMap.put(key, m);
}
}
}
else if(property instanceof MapProperty) {
MapProperty mp = (MapProperty) property;
if(mp.getAdditionalProperties() != null && mp.getAdditionalProperties() instanceof RefProperty) {
RefProperty ref = (RefProperty)mp.getAdditionalProperties();
String key = ref.get$ref();
if(key != null && key.startsWith("http")) {
LOGGER.debug("added reference to " + key);
List m = resolutionMap.get(key);
if(m == null) {
m = new ArrayList();
}
m.add(new ResolutionContext(ref, mp, "ref"));
resolutionMap.put(key, m);
}
}
}
}
}
}
}
}
}
static class ResolutionContext {
private Object object, parent;
private String scope;
public ResolutionContext(Object object, Object parent, String scope) {
this.object = object;
this.parent = parent;
this.scope = scope;
}
}
}
