/*
 * 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 org.apache.axiom.om.impl.traverse;

import java.util.Iterator;

import javax.xml.namespace.QName;

import org.apache.axiom.om.OMElement;
import org.apache.axiom.om.OMNode;

/**
 * Iterator that selects elements based on {@link QName} equality,
 * i.e. namespace URI and local name.
 * Namespace prefixes are not taken into account by the filter.
 */
public class OMQNameFilterIterator extends OMFilterIterator {
    private final QName qname;

    public OMQNameFilterIterator(Iterator parent, QName qname) {
        super(parent);
        this.qname = qname;
    }

    protected boolean matches(OMNode node) {
        return node instanceof OMElement && ((OMElement)node).getQName().equals(qname);
    }
}
