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/*
 * Copyright (c) 2008-2013 EMC Corporation
 * All Rights Reserved
 */
package com.emc.storageos.model.adapters;

import java.util.*;
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.adapters.XmlAdapter;

public class StringSetMapAdapter extends XmlAdapter, Map>> {

    public static class EntryList {
        public List entryList = new ArrayList();
    }

    public static class Entry {
        private String key;
        private String value;

        @XmlElement(name = "name")
        public String getKey() {
            return key;
        }

        public void setKey(String key) {
            this.key = key;
        }

        @XmlElement(name = "value")
        public String getValue() {
            return value;
        }

        public void setValue(String value) {
            this.value = value;
        }

    }

    @Override
    public List marshal(Map> map) throws Exception {
        List entryList = new ArrayList();
        for (Map.Entry> mapEntry : map.entrySet()) {
            for (String value : mapEntry.getValue()) {
                Entry entry = new Entry();
                entry.setKey(mapEntry.getKey());
                entry.setValue(value);
                entryList.add(entry);
            }

        }
        return entryList;
    }

    @Override
    public Map> unmarshal(List entryList)
            throws Exception {
        Map> map = new HashMap>();
        for (Entry entry : entryList) {
            if (map.containsKey(entry.getKey())) {
                map.get(entry.getKey()).add(entry.getValue());
            } else {
                Set valueSet = new HashSet();
                valueSet.add(entry.getValue());
                map.put(entry.getKey(), valueSet);
            }
        }
        return map;
    }
}