content: /*
   * This library is part of OpenCms -
   * the Open Source Content Management System
   *
   * Copyright (c) Alkacon Software GmbH & Co. KG (https://www.alkacon.com)
   *
   * This library is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 2.1 of the License, or (at your option) any later version.
   *
   * This library 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
   * Lesser General Public License for more details.
   *
   * For further information about Alkacon Software, please see the
   * company website: https://www.alkacon.com
   *
   * For further information about OpenCms, please see the
   * project website: https://www.opencms.org
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   */
  
  package org.opencms.xml;
  
  import java.util.Iterator;
  import java.util.List;
  
  import org.dom4j.Document;
  import org.dom4j.Element;
  import org.dom4j.Node;
  import org.dom4j.QName;
  
  /**
   * Provides generic wrappers for XML library methods that do not support Java 5 generic types.<p>
   *
   * @since 7.5.1
   */
  public final class CmsXmlGenericWrapper {
  
      /**
       * Prevents instances of this class from being generated.<p>
       */
      private CmsXmlGenericWrapper() {
  
          // NOOP
      }
  
      /**
       * Provides a type safe / generic wrapper for {@link Element#content()}.<p>
       *
       * @param element the element to get the content for
       *
       * @return type safe access to {@link Element#content()}.<p>
       */
      @SuppressWarnings("unchecked")
      public static List<Node> content(Element element) {
  
          return element.content();
      }
  
      /**
       * Returns an element iterator.<p>
       *
       * @param element the element
       * @param name the name
       *
       * @return the iterator
       */
      public static Iterable<Element> elementIterable(final Element element, final String name) {
  
          return new Iterable<Element>() {
  
              public Iterator<Element> iterator() {
  
                  return elementIterator(element, name);
              }
          };
      }
  
      /**
       * Provides a type safe / generic wrapper for {@link Element#elementIterator(org.dom4j.QName)}.<p>
       *
       * @param element the element to iterate
       *
       * @return type safe access to {@link Element#elementIterator(org.dom4j.QName)}.<p>
       */
      @SuppressWarnings("unchecked")
      public static Iterator<Element> elementIterator(Element element) {
  
          return element.elementIterator();
      }
  
      /**
       * Provides a type safe / generic wrapper for {@link Element#elementIterator(String)}.<p>
       *
       * @param element the element to iterate
       * @param name the element name to match
       *
       * @return type safe access to {@link Element#elementIterator(String)}.<p>
       */
      @SuppressWarnings("unchecked")
      public static Iterator<Element> elementIterator(Element element, String name) {
  
          return element.elementIterator(name);
      }
  
      /**
       * Provides a type safe / generic wrapper for {@link Element#elements()}.<p>
       *
       * @param element the element to iterate
       *
       * @return type safe access to {@link Element#elements()}.<p>
       */
      @SuppressWarnings("unchecked")
      public static List<Element> elements(Element element) {
  
          return element.elements();
      }
  
      /**
       * Provides a type safe / generic wrapper for {@link Element#elements(org.dom4j.QName)}.<p>
       *
       * @param element the element to iterate
       * @param name the element name to match
       *
       * @return type safe access to {@link Element#elements(org.dom4j.QName)}.<p>
       */
      @SuppressWarnings("unchecked")
      public static List<Element> elements(Element element, QName name) {
  
          return element.elements(name);
      }
  
      /**
       * Provides a type safe / generic wrapper for {@link Element#elements(String)}.<p>
       *
       * @param element the element to iterate
       * @param name the element name to match
       *
       * @return type safe access to {@link Element#elements(String)}.<p>
       */
      @SuppressWarnings("unchecked")
      public static List<Element> elements(Element element, String name) {
  
          return element.elements(name);
      }
  
      /**
       * Provides a type safe / generic wrapper for {@link Document#selectNodes(String)}.<p>
       *
       * @param doc the document to select the nodes from
       * @param xpathExpression the XPATH expression to select
       *
       * @return type safe access to {@link Document#selectNodes(String)}
       */
      @SuppressWarnings("unchecked")
      public static List<Node> selectNodes(Document doc, String xpathExpression) {
  
          return doc.selectNodes(xpathExpression);
      }
  }