@Embeddable
public class URIEntity {
  
  private URI fURI;
  
  /**
   * Provided for deserialization.
   */
  protected URIEntity() {
    // As per javadoc
  }
  
  public URIEntity(URI uri) {
    fURI = uri;
  }
  
  @Basic
  public String getUriAsString() {
    return fURI.toString();
  }
  
  public void setUriAsString(String uriAsString) {
    try {
      fURI = new URI(uriAsString);
    } catch (URISyntaxException e) {
      // Should never happen
      throw new IllegalArgumentException("uriAsString is not a uri");
    }
  }
  
  @Transient
  public URI getURI() {
    return fURI;
  }
  
  public void setURI(URI uri) {
    fURI = uri;
  }