/*
* 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;
/**
* @xerces.internal
*
* @author Lucian Holland
* @author Michael Glavassevich, IBM
*
* @version $Id: ElementImpl.java 956312 2010-06-20 00:47:28Z mrglavas $
*/
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;
}
}
/**
* @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());
}
static Iterator createImmutableIterator(Iterator iter) {
return new NoRemoveIterator(iter);
}
private static final class NoRemoveIterator implements Iterator {
private final Iterator fWrapped;
public NoRemoveIterator(Iterator wrapped) {
fWrapped = wrapped;
}
/**
* @see java.util.Iterator#hasNext()
*/
public boolean hasNext() {
return fWrapped.hasNext();
}
/**
* @see java.util.Iterator#next()
*/
public Object next() {
return fWrapped.next();
}
/**
* @see java.util.Iterator#remove()
*/
public void remove() {
throw new UnsupportedOperationException("Attributes iterator is read-only.");
}
}
}