io.swagger.util.ModelDeserializer Maven / Gradle / Ivy
package io.swagger.util;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JsonDeserializer;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.node.TextNode;
import io.swagger.models.ArrayModel;
import io.swagger.models.ComposedModel;
import io.swagger.models.Model;
import io.swagger.models.ModelImpl;
import io.swagger.models.RefModel;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
public class ModelDeserializer extends JsonDeserializer {
@Override
public Model deserialize(JsonParser jp, DeserializationContext ctxt)
throws IOException, JsonProcessingException {
JsonNode node = jp.getCodec().readTree(jp);
JsonNode sub = node.get("$ref");
JsonNode allOf = node.get("allOf");
if (sub != null) {
return Json.mapper().convertValue(sub, RefModel.class);
} else if (allOf != null) {
ComposedModel model = null;
// we only support one parent, no multiple inheritance or composition
model = Json.mapper().convertValue(node, ComposedModel.class);
List allComponents = model.getAllOf();
if (allComponents.size() >= 1) {
model.setParent(allComponents.get(0));
if (allComponents.size() >= 2) {
model.setChild(allComponents.get(allComponents.size() - 1));
List interfaces = new ArrayList();
int size = allComponents.size();
for (Model m : allComponents.subList(1, size - 1)) {
if (m instanceof RefModel) {
RefModel ref = (RefModel) m;
interfaces.add(ref);
}
}
model.setInterfaces(interfaces);
} else {
model.setChild(new ModelImpl());
}
}
return model;
} else {
sub = node.get("type");
Model model = null;
if (sub != null && "array".equals(((TextNode) sub).textValue())) {
model = Json.mapper().convertValue(node, ArrayModel.class);
} else {
model = Json.mapper().convertValue(node, ModelImpl.class);
}
return model;
}
}
}
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