gistfile1.java

@JsonSerialize(include = JsonSerialize.Inclusion.NON_NULL)
public class User {
    private static final DateFormat ISO_8601_FORMATTER = new ISO8601DateFormat();

    public static String dateToISO8601Format(Date date) {
        if (date == null) {
            return null;
        }
        return ISO_8601_FORMATTER.format(date);
    }

    private String id;
    private String email;
    @JsonIgnore private Date createdAt;
    @JsonIgnore private Date updatedAt;
    private String name;
    private boolean admin;
    @JsonIgnore private boolean active;

    public User(String id, String email, Date createdAt, Date updatedAt, String name, boolean admin, boolean active) {
        this.id = id;
        this.email = email;
        this.createdAt = createdAt;
        this.updatedAt = updatedAt;
        this.name = name;
        this.admin = admin;
        this.active = active;
    }

    // getter methods elided for readability.

    @JsonProperty("created_at")
    public String getCreatedAtISO8601() {
        return dateToISO8601Format(getCreatedAt());
    }

    @JsonProperty("updated_at")
    public String getUpdatedAtISO8601() {
        return dateToISO8601Format(getUpdatedAt());
    }


}