Add an entity to a specified Element. : DOM Element « XML « Java Tutorial

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3. DOM Element

import org.w3c.dom.Document;
import org.w3c.dom.Element;

public class Utils {
  /**
   * Add an entity to a specified Element.
   *    (eg <code>DomUtils.addEntity(element, "nbsp");</code>)
   * @param element the containing element
   * @param entity the entity to add
   */
  public static void addEntity(Element element, String entity) {
    element.appendChild(element.getOwnerDocument().createEntityReference(entity));
  }
}