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/**
 * Licensed to The Apereo Foundation under one or more contributor license
 * agreements. See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership.
 *
 *
 * The Apereo Foundation licenses this file to you under the Educational
 * Community 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://opensource.org/licenses/ecl2.txt
 *
 * 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.opencastproject.util;

import java.util.Hashtable;

import javax.xml.bind.annotation.adapters.XmlAdapter;

/**
 * Adapter class for JaxB to represent a Hashtable
 *
 */
public class HashtableAdapter extends XmlAdapter> {
  public HashtableAdapter() {
  }

  /**
   * {@inheritDoc}
   *
   * @see javax.xml.bind.annotation.adapters.XmlAdapter#marshal(java.lang.Object)
   */
  @Override
  public HashEntry[] marshal(Hashtable myHashtable) throws Exception {
    String[] keys = myHashtable.keySet().toArray(new String[0]);
    HashEntry[] meta = new HashEntry[keys.length];
    for (int i = 0; i < keys.length; i++)
      meta[i] = new HashEntry(keys[i], myHashtable.get(keys[i]));
    return meta;
  }

  /**
   * {@inheritDoc}
   *
   * @see javax.xml.bind.annotation.adapters.XmlAdapter#unmarshal(java.lang.Object)
   */
  @Override
  public Hashtable unmarshal(HashEntry[] data) throws Exception {
    Hashtable myHashtable = new Hashtable();
    for (int i = 0; i < data.length; i++) {
      myHashtable.put(data[i].getKey(), data[i].getValue());
    }
    return myHashtable;
  }
}