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package io.swagger.jackson;

import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.SerializerProvider;
import com.fasterxml.jackson.databind.ser.ResolvableSerializer;
import io.swagger.oas.models.media.Schema;
import org.apache.commons.lang3.StringUtils;

import java.io.IOException;


public class SchemaSerializer extends JsonSerializer implements ResolvableSerializer {

    private JsonSerializer defaultSerializer;

    public SchemaSerializer(JsonSerializer serializer) {
        defaultSerializer = serializer;
    }

    @Override
    public void resolve(SerializerProvider serializerProvider) throws JsonMappingException {
        if(defaultSerializer instanceof ResolvableSerializer) {
            ((ResolvableSerializer)defaultSerializer).resolve(serializerProvider);
        }
    }

    @Override
    public void serialize(
            Schema value, JsonGenerator jgen, SerializerProvider provider)
            throws IOException, JsonProcessingException {

        // handle ref schema serialization skipping all other props
        if (StringUtils.isBlank(value.get$ref())) {
            defaultSerializer.serialize(value, jgen, provider);
        } else {
            jgen.writeStartObject();
            jgen.writeStringField("$ref", value.get$ref());
            jgen.writeEndObject();
        }
    }
}    

    

    

            

    

            



    
    






    
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