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/*
  GRANITE DATA SERVICES
  Copyright (C) 2011 GRANITE DATA SERVICES S.A.S.

  This file is part of Granite Data Services.

  Granite Data Services is free software; you can redistribute it and/or modify
  it under the terms of the GNU Library General Public License as published by
  the Free Software Foundation; either version 2 of the License, or (at your
  option) any later version.

  Granite Data Services is distributed in the hope that it will be useful, but
  WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License
  for more details.

  You should have received a copy of the GNU Library General Public License
  along with this library; if not, see .
*/

package org.granite.collections;

import java.io.Externalizable;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import java.io.Serializable;
import java.util.HashMap;
import java.util.Map;

/**
 * @author Franck WOLFF
 */
public class BasicMap extends HashMap implements Externalizable, Serializable {

    public BasicMap() {
        super();
    }

    public BasicMap(Map map) {
        super(map);
    }

    @SuppressWarnings("unchecked")
    public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
        Object[] pairs = (Object[])in.readObject();
        if (pairs != null) {
            for (Object pair : pairs)
                put((K)((Object[])pair)[0], (V)((Object[])pair)[1]);
        }
    }

    public void writeExternal(ObjectOutput out) throws IOException {
        Object[] outObjectArray = new Object[size()];

        int index = 0;
        for (Map.Entry entry : entrySet())
            outObjectArray[index++] = new Object[]{entry.getKey(), entry.getValue()};

        out.writeObject(outObjectArray);
    }

    @SuppressWarnings({ "unchecked", "rawtypes" })
    public static BasicMap newInstance(Map map) {
        return new BasicMap(map);
    }

    @Override
    public String toString() {
        return getClass().getName() + " " + super.toString();
    }
}