import android.text.TextUtils;

import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.JavaType;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.ObjectReader;
import com.orhanobut.hawk.Parser;

import java.io.IOException;
import java.lang.reflect.Type;

public class JacksonParser implements Parser {

    private final ObjectMapper mapper;

    public JacksonParser() {
        this.mapper = new ObjectMapper();
    }

    @Override
    public <T> T fromJson(String content, Type type) {
        if (TextUtils.isEmpty(content)) {
            return null;
        }
        JavaType javaType = mapper.getTypeFactory().constructType(type);
        ObjectReader objectReader = mapper.readerFor(javaType);
        try {
            return objectReader.readValue(content);
        } catch (IOException e) {
            e.printStackTrace();
            return null;
        }
    }

    @Override
    public String toJson(Object body) {
        try {
            return mapper.writeValueAsString(body);
        } catch (JsonProcessingException e) {
            e.printStackTrace();
            return "";
        }
    }

}