com.epam.deltix.util.xml.MapAdaptor Maven / Gradle / Ivy

Go to download
/*
 * Copyright 2021 EPAM Systems, Inc
 *
 * See the NOTICE file distributed with this work for additional information
 * regarding copyright ownership. 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.epam.deltix.util.xml;

import javax.xml.bind.annotation.adapters.XmlAdapter;
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlElements;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;

public class MapAdaptor extends
        XmlAdapter, HashMap> {

    @Override
    public HashMap unmarshal(MapEntryList v) throws Exception {
        HashMap map = new HashMap();
        if (v.entries != null) {
            for (MapEntry entry : v.entries) {
                map.put(entry.key, entry.value);
            }
        }

        return map;
    }

    @Override
    public MapEntryList marshal(HashMap map) throws Exception {
        
        MapEntryList list = new MapEntryList(new ArrayList>());
        for (Map.Entry entry : map.entrySet())
            list.entries.add(new MapEntry(entry.getKey(), entry.getValue()));

        return list;
    }

    public static class MapEntryList {

        protected MapEntryList() { } // for jaxb

        public MapEntryList(ArrayList> entries) {
            this.entries = entries;
        }

        @XmlElements(@XmlElement(type=MapEntry.class))
        public ArrayList> entries;
    }

    public static class MapEntry {

        protected MapEntry() { } // for jaxb

        public MapEntry(K key, V value) {
            this.key = key;
            this.value = value;
        }

        @XmlElement
        public K key;

        @XmlElement
        public V value;
    }
}