TextUtil.java

package nl.knaw.huygens.alexandria.text;

/*
 * #%L
 * alexandria-main
 * =======
 * Copyright (C) 2015 - 2017 Huygens ING (KNAW)
 * =======
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public
 * License along with this program.  If not, see
 * <http://www.gnu.org/licenses/gpl-3.0.html>.
 * #L%
 */

import nl.knaw.huygens.tei.Element;

public class TextUtil {
  public static final String XML_ID = "xml:id";

  public static String xpath(Element element) {
    String xpath = "";
    if (element.hasAttribute(XML_ID)) {
      xpath = "//" + element.getName() + "[@xml:id='" + element.getAttribute(XML_ID) + "']";
    } else {
      Element parent = element.getParent();
      if (parent == null) {
        xpath = "/" + element.getName();
      } else {
        xpath = xpath(parent) + "/" + element.getName();
      }
    }
    return xpath;
  }

}