io.swagger.codegen.InlineModelResolver Maven / Gradle / Ivy
package io.swagger.codegen;
import io.swagger.models.*;
import io.swagger.models.parameters.BodyParameter;
import io.swagger.models.parameters.Parameter;
import io.swagger.models.properties.*;
import io.swagger.util.Json;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public class InlineModelResolver {
private Swagger swagger;
private boolean skipMatches;
static Logger LOGGER = LoggerFactory.getLogger(InlineModelResolver.class);
Map addedModels = new HashMap();
Map generatedSignature = new HashMap();
public void flatten(Swagger swagger) {
this.swagger = swagger;
if (swagger.getDefinitions() == null) {
swagger.setDefinitions(new HashMap());
}
// operations
Map paths = swagger.getPaths();
Map models = swagger.getDefinitions();
if (paths != null) {
for (String pathname : paths.keySet()) {
Path path = paths.get(pathname);
for (Operation operation : path.getOperations()) {
List parameters = operation.getParameters();
if (parameters != null) {
for (Parameter parameter : parameters) {
if (parameter instanceof BodyParameter) {
BodyParameter bp = (BodyParameter) parameter;
if (bp.getSchema() != null) {
Model model = bp.getSchema();
if(model instanceof ModelImpl) {
ModelImpl obj = (ModelImpl) model;
if (obj.getType() == null || "object".equals(obj.getType())) {
if (obj.getProperties() != null && obj.getProperties().size() > 0) {
flattenProperties(obj.getProperties(), pathname);
String modelName = resolveModelName( obj.getTitle(), bp.getName());
bp.setSchema(new RefModel(modelName));
addGenerated(modelName, model);
swagger.addDefinition(modelName, model);
}
}
}
else if (model instanceof ArrayModel) {
ArrayModel am = (ArrayModel) model;
Property inner = am.getItems();
if(inner instanceof ObjectProperty) {
ObjectProperty op = (ObjectProperty) inner;
if (op.getProperties() != null && op.getProperties().size() > 0) {
flattenProperties(op.getProperties(), pathname);
String modelName = resolveModelName( op.getTitle(), bp.getName());
Model innerModel = modelFromProperty(op, modelName);
String existing = matchGenerated(innerModel);
if (existing != null) {
am.setItems(new RefProperty(existing));
} else {
am.setItems(new RefProperty(modelName));
addGenerated(modelName, innerModel);
swagger.addDefinition(modelName, innerModel);
}
}
}
}
}
}
}
}
Map responses = operation.getResponses();
if (responses != null) {
for (String key : responses.keySet()) {
Response response = responses.get(key);
if (response.getSchema() != null) {
Property property = response.getSchema();
if (property instanceof ObjectProperty) {
ObjectProperty op = (ObjectProperty) property;
if (op.getProperties() != null && op.getProperties().size() > 0) {
String modelName = resolveModelName( op.getTitle(),"inline_response_" + key);
Model model = modelFromProperty(op, modelName);
String existing = matchGenerated(model);
if (existing != null) {
response.setSchema(new RefProperty(existing));
} else {
response.setSchema(new RefProperty(modelName));
addGenerated(modelName, model);
swagger.addDefinition(modelName, model);
}
}
} else if (property instanceof ArrayProperty) {
ArrayProperty ap = (ArrayProperty) property;
Property inner = ap.getItems();
if(inner instanceof ObjectProperty) {
ObjectProperty op = (ObjectProperty) inner;
if (op.getProperties() != null && op.getProperties().size() > 0) {
flattenProperties(op.getProperties(), pathname);
String modelName = resolveModelName( op.getTitle(),"inline_response_" + key);
Model innerModel = modelFromProperty(op, modelName);
String existing = matchGenerated(innerModel);
if (existing != null) {
ap.setItems(new RefProperty(existing));
} else {
ap.setItems(new RefProperty(modelName));
addGenerated(modelName, innerModel);
swagger.addDefinition(modelName, innerModel);
}
}
}
} else if (property instanceof MapProperty) {
MapProperty mp = (MapProperty) property;
Property innerProperty = mp.getAdditionalProperties();
if(innerProperty instanceof ObjectProperty) {
ObjectProperty op = (ObjectProperty) innerProperty;
if (op.getProperties() != null && op.getProperties().size() > 0) {
flattenProperties(op.getProperties(), pathname);
String modelName = resolveModelName( op.getTitle(),"inline_response_" + key);
Model innerModel = modelFromProperty(op, modelName);
String existing = matchGenerated(innerModel);
if (existing != null) {
mp.setAdditionalProperties(new RefProperty(existing));
} else {
mp.setAdditionalProperties(new RefProperty(modelName));
addGenerated(modelName, innerModel);
swagger.addDefinition(modelName, innerModel);
}
}
}
}
}
}
}
}
}
}
// definitions
if (models != null) {
List modelNames = new ArrayList(models.keySet());
for (String modelName : modelNames) {
Model model = models.get(modelName);
if (model instanceof ModelImpl) {
ModelImpl m = (ModelImpl) model;
Map properties = m.getProperties();
flattenProperties(properties, modelName);
} else if (model instanceof ArrayModel) {
ArrayModel m = (ArrayModel) model;
Property inner = m.getItems();
if (inner instanceof ObjectProperty) {
ObjectProperty op = (ObjectProperty) inner;
if (op.getProperties() != null && op.getProperties().size() > 0) {
String innerModelName = uniqueName(modelName + "_inner");
Model innerModel = modelFromProperty(op, innerModelName);
String existing = matchGenerated(innerModel);
if (existing == null) {
swagger.addDefinition(innerModelName, innerModel);
addGenerated(innerModelName, innerModel);
m.setItems(new RefProperty(innerModelName));
} else {
m.setItems(new RefProperty(existing));
}
}
}
}
}
}
}
private String resolveModelName(String title, String key ) {
if (title == null) {
return uniqueName(key);
}
else {
return uniqueName(title);
}
}
public String matchGenerated(Model model) {
if (this.skipMatches) {
return null;
}
String json = Json.pretty(model);
if (generatedSignature.containsKey(json)) {
return generatedSignature.get(json);
}
return null;
}
public void addGenerated(String name, Model model) {
generatedSignature.put(Json.pretty(model), name);
}
public String uniqueName(String key) {
int count = 0;
boolean done = false;
key = key.replaceAll("[^a-z_\\.A-Z0-9 ]", ""); // FIXME: a parameter should not be assigned. Also declare the methods parameters as 'final'.
while (!done) {
String name = key;
if (count > 0) {
name = key + "_" + count;
}
if (swagger.getDefinitions() == null) {
return name;
} else if (!swagger.getDefinitions().containsKey(name)) {
return name;
}
count += 1;
}
return key;
}
public void flattenProperties(Map properties, String path) {
if (properties == null) {
return;
}
Map propsToUpdate = new HashMap();
Map modelsToAdd = new HashMap();
for (String key : properties.keySet()) {
Property property = properties.get(key);
if (property instanceof ObjectProperty &&
((ObjectProperty)property).getProperties() != null &&
((ObjectProperty)property).getProperties().size() > 0) {
String modelName = uniqueName(path + "_" + key);
ObjectProperty op = (ObjectProperty) property;
Model model = modelFromProperty(op, modelName);
String existing = matchGenerated(model);
if (existing != null) {
propsToUpdate.put(key, new RefProperty(existing));
} else {
propsToUpdate.put(key, new RefProperty(modelName));
modelsToAdd.put(modelName, model);
addGenerated(modelName, model);
swagger.addDefinition(modelName, model);
}
} else if (property instanceof ArrayProperty) {
ArrayProperty ap = (ArrayProperty) property;
Property inner = ap.getItems();
if (inner instanceof ObjectProperty) {
ObjectProperty op = (ObjectProperty) inner;
if (op.getProperties() != null && op.getProperties().size() > 0) {
flattenProperties(op.getProperties(), path);
String modelName = uniqueName(path + "_" + key);
Model innerModel = modelFromProperty(op, modelName);
String existing = matchGenerated(innerModel);
if (existing != null) {
ap.setItems(new RefProperty(existing));
} else {
ap.setItems(new RefProperty(modelName));
addGenerated(modelName, innerModel);
swagger.addDefinition(modelName, innerModel);
}
}
}
} else if (property instanceof MapProperty) {
MapProperty mp = (MapProperty) property;
Property inner = mp.getAdditionalProperties();
if (inner instanceof ObjectProperty) {
ObjectProperty op = (ObjectProperty) inner;
if (op.getProperties() != null && op.getProperties().size() > 0) {
flattenProperties(op.getProperties(), path);
String modelName = uniqueName(path + "_" + key);
Model innerModel = modelFromProperty(op, modelName);
String existing = matchGenerated(innerModel);
if (existing != null) {
mp.setAdditionalProperties(new RefProperty(existing));
} else {
mp.setAdditionalProperties(new RefProperty(modelName));
addGenerated(modelName, innerModel);
swagger.addDefinition(modelName, innerModel);
}
}
}
}
}
if (propsToUpdate.size() > 0) {
for (String key : propsToUpdate.keySet()) {
properties.put(key, propsToUpdate.get(key));
}
}
for (String key : modelsToAdd.keySet()) {
swagger.addDefinition(key, modelsToAdd.get(key));
this.addedModels.put(key, modelsToAdd.get(key));
}
}
@SuppressWarnings("static-method")
public Model modelFromProperty(ArrayProperty object, @SuppressWarnings("unused") String path) {
String description = object.getDescription();
String example = null;
Object obj = object.getExample();
if(obj != null) {
example = obj.toString();
}
Property inner = object.getItems();
if (inner instanceof ObjectProperty) {
ArrayModel model = new ArrayModel();
model.setDescription(description);
model.setExample(example);
model.setItems(object.getItems());
return model;
}
return null;
}
public Model modelFromProperty(ObjectProperty object, String path) {
String description = object.getDescription();
String example = null;
Object obj = object.getExample();
if(obj != null) {
example = obj.toString();
}
String name = object.getName();
Xml xml = object.getXml();
Map properties = object.getProperties();
ModelImpl model = new ModelImpl();
model.setDescription(description);
model.setExample(example);
model.setName(name);
model.setXml(xml);
if (properties != null) {
flattenProperties(properties, path);
model.setProperties(properties);
}
return model;
}
@SuppressWarnings("static-method")
public Model modelFromProperty(MapProperty object, @SuppressWarnings("unused") String path) {
String description = object.getDescription();
String example = null;
Object obj = object.getExample();
if(obj != null) {
example = obj.toString();
}
ArrayModel model = new ArrayModel();
model.setDescription(description);
model.setExample(example);
model.setItems(object.getAdditionalProperties());
return model;
}
public boolean isSkipMatches() {
return skipMatches;
}
public void setSkipMatches(boolean skipMatches) {
this.skipMatches = skipMatches;
}
}
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