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/**
 * Copyright Microsoft Corporation
 * 
 * Licensed 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 com.microsoft.windowsazure.services.blob.implementation;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;

import javax.naming.OperationNotSupportedException;
import javax.xml.bind.annotation.XmlAnyElement;
import javax.xml.bind.annotation.adapters.XmlAdapter;

import org.w3c.dom.Element;

/*
 * JAXB adapter for  element
 */
public class MetadataAdapter extends XmlAdapter> {

    @Override
    public HashMap unmarshal(MetadataHashMapType arg0) throws Exception {
        HashMap result = new HashMap();
        for (Element entry : arg0.getEntries()) {
            result.put(entry.getLocalName(), entry.getFirstChild().getNodeValue());
        }
        return result;
    }

    @Override
    public MetadataHashMapType marshal(HashMap arg0) throws Exception {
        // We don't need marshaling for blob/container metadata
        throw new OperationNotSupportedException();
    }

    public static class MetadataHashMapType {
        private List entries = new ArrayList();

        @XmlAnyElement
        public List getEntries() {
            return entries;
        }

        public void setEntries(List entries) {
            this.entries = entries;
        }
    }
}