MyEnum

MyClass.java

package fr.pilato.test.jackson;

import org.codehaus.jackson.map.annotate.JsonSerialize;

@JsonSerialize
public class MyClass {
	@JsonSerialize
	private String myProp;

	@JsonSerialize
	private MyEnum myEnum;
	
	public MyClass() {
	}

	public MyClass(String myProp, MyEnum myEnum) {
		super();
		this.myProp = myProp;
		this.myEnum = myEnum;
	}
	
	public MyEnum getMyEnum() {
		return myEnum;
	}
	
	public String getMyProp() {
		return myProp;
	}
	
	public void setMyEnum(MyEnum myEnum) {
		this.myEnum = myEnum;
	}

	public void setMyProp(String myProp) {
		this.myProp = myProp;
	}
}

MyEnum.java

package fr.pilato.test.jackson;

import org.codehaus.jackson.map.annotate.JsonSerialize;

public enum MyEnum {
	
	ENUM1("My Enum 1"),
	ENUM2("My Enum 2");

	@JsonSerialize
	private String value;
	
	private MyEnum(String value) {
		this.value = value;
	}
	
	public String getValue() {
		return value;
	}
}

pom.xml

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>fr.pilato.test</groupId>
  <artifactId>jackson</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  <dependencies>
    <dependency>
      <groupId>org.codehaus.jackson</groupId>
      <artifactId>jackson-mapper-asl</artifactId>
      <version>1.9.2</version>
      <scope>compile</scope>
    </dependency>
    <dependency>
    	<groupId>junit</groupId>
    	<artifactId>junit</artifactId>
    	<version>4.10</version>
		<scope>test</scope>
    </dependency>
  </dependencies>
</project>

SerializeTest.java

package fr.pilato.test.jackson;

import static org.junit.Assert.*;

import java.io.IOException;

import org.codehaus.jackson.JsonGenerationException;
import org.codehaus.jackson.map.JsonMappingException;
import org.codehaus.jackson.map.ObjectMapper;
import org.codehaus.jackson.map.SerializationConfig.Feature;
import org.junit.Test;

public class SerializeTest {

	@Test
	public void test() {
		MyClass myClass = new MyClass("test1", MyEnum.ENUM1);
		

		ObjectMapper mapper = new ObjectMapper();
		mapper.configure(Feature.AUTO_DETECT_FIELDS, false);
		mapper.configure(Feature.AUTO_DETECT_GETTERS, false);
		mapper.configure(Feature.FAIL_ON_EMPTY_BEANS, false);
		
		try {
			String result = mapper.writeValueAsString(myClass);
			System.out.println(result);
		} catch (JsonGenerationException e) {
			e.printStackTrace();
		} catch (JsonMappingException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

}

Output is {"myProp":"test1","myEnum":"ENUM1"}