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Apache Neethi provides general framework for the programmers to use WS Policy. It is compliant with latest WS Policy specification which was published in March 2006. This framework is specifically written to enable the Apache Web services stack to use WS Policy as a way of expressing it's requirements and capabilities.

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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.Map;

import javax.xml.namespace.QName;

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

/**
 * 
 */
public abstract class AbstractOMConverter {

    public QName getQName(OMElement s) {
        if (s.getNamespace() == null) {
            return new QName(s.getLocalName());
        }
        return new QName(s.getNamespace().getNamespaceURI(), s.getLocalName());
    }
    public Map getAttributes(OMElement s) {
        Map mp = new HashMap();
        Iterator it = s.getAllAttributes();
        while (it.hasNext()) {
            OMAttribute attr = (OMAttribute)it.next();
            if (attr.getNamespace() == null) {
                mp.put(new QName("", attr.getLocalName()),
                       attr.getAttributeValue());
            } else {
                mp.put(new QName(attr.getNamespace().getNamespaceURI(), attr.getLocalName()),
                       attr.getAttributeValue());
            }
        }
        return mp;
    }
    
    @SuppressWarnings("unchecked")
    public Iterator getChildren(OMElement el) {
        return el.getChildElements();
    }
}