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/**
 * 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.neethi.builders.converters;

import java.util.HashMap;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;

import javax.xml.namespace.QName;

import org.w3c.dom.Attr;
import org.w3c.dom.Element;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;


/**
 * 
 */
public abstract class AbstractDOMConverter {


    public QName getQName(Element s) {
        String name = s.getLocalName();
        if (name == null) {
            name = s.getTagName();
        }
        return new QName(s.getNamespaceURI(), name);
    }

    public Map getAttributes(Element s) {
        Map mp = new HashMap();
        NamedNodeMap attrs = s.getAttributes();
        for (int x = 0; x < attrs.getLength(); x++) {
            Attr attr = (Attr)attrs.item(x);
            String name = attr.getLocalName();
            if (name == null) {
                name = attr.getName();
            }
            mp.put(new QName(attr.getNamespaceURI(), name), attr.getValue());
        }
        return mp;
    }
    
    public Iterator getChildren(Element s) {
        List children = new LinkedList();
        Node nd = s.getFirstChild();
        while (nd != null) {
            if (nd instanceof Element) {
                children.add((Element)nd);
            }
            nd = nd.getNextSibling();
        }
        return children.listIterator();
    }
}