content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You under the Apache License, Version 2.0
   * (the "License"); you may not use this file except in compliance with
   * the License.  You may obtain a copy of the License at
   * 
   *      http://www.apache.org/licenses/LICENSE-2.0
   * 
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package mf.org.apache.xerces.stax.events;
  
  import java.util.ArrayList;
  import java.util.Collections;
  import java.util.Iterator;
  import java.util.List;
  
  import mf.javax.xml.namespace.QName;
  import mf.javax.xml.stream.Location;
  import mf.javax.xml.stream.events.Namespace;
  
  /**
   * @author Lucian Holland
   * @author Michael Glavassevich, IBM
   * @version $Id: ElementImpl.java 956312 2010-06-20 00:47:28Z mrglavas $
   * @xerces.internal
   */
  abstract class ElementImpl extends XMLEventImpl {
  
      /**
       * The qualified name of the element that is being closed.
       */
      private final QName fName;
  
      /**
       * Namespaces declared in the current scope.
       */
      private final List fNamespaces;
  
      /**
       * Constructor.
       */
      ElementImpl(final QName name, final boolean isStartElement, Iterator namespaces, final Location location) {
          super(isStartElement ? START_ELEMENT : END_ELEMENT, location);
          fName = name;
          if (namespaces != null && namespaces.hasNext()) {
              fNamespaces = new ArrayList();
              do {
                  Namespace ns = (Namespace) namespaces.next();
                  fNamespaces.add(ns);
              }
              while (namespaces.hasNext());
          } else {
              fNamespaces = Collections.EMPTY_LIST;
          }
      }
  
      static Iterator createImmutableIterator(Iterator iter) {
          return new NoRemoveIterator(iter);
      }
  
      /**
       * @see javax.xml.stream.events.StartElement#getName()
       * @see javax.xml.stream.events.EndElement#getName()
       */
      public final QName getName() {
          return fName;
      }
  
      /**
       * @see javax.xml.stream.events.StartElement#getNamespaces()
       * @see javax.xml.stream.events.EndElement#getNamespaces()
       */
      public final Iterator getNamespaces() {
          return createImmutableIterator(fNamespaces.iterator());
      }
  
      private static final class NoRemoveIterator implements Iterator {
  
          private final Iterator fWrapped;
  
          public NoRemoveIterator(Iterator wrapped) {
              fWrapped = wrapped;
          }
  
          /**
           * @see java.util.Iterator#hasNext()
           */
          @Override
          public boolean hasNext() {
              return fWrapped.hasNext();
          }
  
          /**
           * @see java.util.Iterator#next()
           */
          @Override
          public Object next() {
              return fWrapped.next();
          }
  
          /**
           * @see java.util.Iterator#remove()
           */
          @Override
          public void remove() {
              throw new UnsupportedOperationException("Attributes iterator is read-only.");
          }
      }
  }
  