source: java2python/src/test/java/testcode/PersonJson.java@ 370

package testcode;

import java.util.Objects;

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.JsonAutoDetect.Visibility;
import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.annotation.JsonTypeInfo;
import com.fasterxml.jackson.annotation.JsonTypeInfo.As;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;

/**
 * jackson-serializable Person, also with extra age field and equals and
 * hashcode
 */
@JsonTypeInfo(use = JsonTypeInfo.Id.NAME, include = As.WRAPPER_OBJECT)
@JsonAutoDetect(fieldVisibility = Visibility.ANY, getterVisibility = Visibility.NONE, setterVisibility = Visibility.NONE)
public class PersonJson {
        // when private, python can't access them.
        protected static final ObjectMapper jackson = new ObjectMapper();
        protected static final String serialized = "{\"PersonJson\":{\"name\":\"Kees\",\"age\":25}}";

        private final String name;
        private Integer age;

        @JsonCreator
        public PersonJson(@JsonProperty("name") String name,
                        @JsonProperty("age") Integer age) {
                this.name = name;
                this.age = age;
        }

        @Override
        public String toString() {
                return "Person[" + name.toString() + "," + age.toString() + "]";
        }

        public String getName() {
                return name;
        }

        public Integer getAge() {
                return age;
        }

        @Override
        public int hashCode() {
                return Objects.hash(age, name);
        }

        @Override
        public boolean equals(Object obj) {
                if (this == obj)
                        return true;
                if (obj == null)
                        return false;
                if (getClass() != obj.getClass())
                        return false;
                PersonJson other = (PersonJson) obj;
                return Objects.equals(age, other.age)
                                && Objects.equals(name, other.name);
        }

        static public void main(String[] args) throws JsonProcessingException {
                PersonJson person = new PersonJson("Kees", 25);
                System.out.println(person);
                System.out.println(jackson.writeValueAsString(person));
                System.out.println(
                                person.equals(jackson.readValue(serialized, PersonJson.class)));
                /*-
                Person[Kees,25]
                {"PersonJson":{"name":"Kees","age":25}}
                true
                 */
        }
}