package org.springframework.security.oauth2.common;
   
   import java.io.Serializable;
   
   import com.fasterxml.jackson.annotation.JsonCreator;
   import com.fasterxml.jackson.annotation.JsonValue;
   
   /**
    * An OAuth 2 refresh token.
   * 
   * @author Ryan Heaton
   * @author Dave Syer
   */
  public class DefaultOAuth2RefreshToken implements Serializable, OAuth2RefreshToken {
  
  	private static final long serialVersionUID = 8349970621900575838L;
  
  	private String value;
  
  	/**
  	 * Create a new refresh token.
  	 */
  	@JsonCreator
  	public DefaultOAuth2RefreshToken(String value) {
  		this.value = value;
  	}
  	
  	/**
  	 * Default constructor for JPA and other serialization tools.
  	 */
  	@SuppressWarnings("unused")
  	private DefaultOAuth2RefreshToken() {
  		this(null);
  	}
  
  	/* (non-Javadoc)
  	 * @see org.springframework.security.oauth2.common.IFOO#getValue()
  	 */
  	@JsonValue
  	public String getValue() {
  		return value;
  	}
  
  	@Override
  	public String toString() {
  		return getValue();
  	}
  
  	@Override
  	public boolean equals(Object o) {
  		if (this == o) {
  			return true;
  		}
  		if (!(o instanceof DefaultOAuth2RefreshToken)) {
  			return false;
  		}
  
  		DefaultOAuth2RefreshToken that = (DefaultOAuth2RefreshToken) o;
  
  		if (value != null ? !value.equals(that.value) : that.value != null) {
  			return false;
  		}
  
  		return true;
  	}
  
  	@Override
  	public int hashCode() {
  		return value != null ? value.hashCode() : 0;
  	}
  }