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A reactive Java web server.
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/*
 * Copyright (c) 1998-2015 Caucho Technology -- all rights reserved
 *
 * This file is part of Baratine(TM)
 *
 * Each copy or derived work must preserve the copyright notice and this
 * notice unmodified.
 *
 * Baratine is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * Baratine 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, or any warranty
 * of NON-INFRINGEMENT.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Baratine; if not, write to the
 *
 *   Free Software Foundation, Inc.
 *   59 Temple Place, Suite 330
 *   Boston, MA 02111-1307  USA
 *
 * @author Alex Rojkov
 */

package com.caucho.v5.json.value;

import java.util.ArrayList;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;

abstract public class JsonValueBase implements JsonValue
{
  public static final JsonValue NULL = new JsonValueNull();
  public static final JsonValue FALSE = new JsonValueFalse();
  public static final JsonValue TRUE = new JsonValueTrue();
  
  @Override
  public JsonValue get(String key)
  {
    return NULL;
  }

  @Override
  public boolean booleanValue()
  {
    return false;
  }

  @Override
  public int intValue()
  {
    return (int) longValue();
  }

  @Override
  public long longValue()
  {
    return 0;
  }

  @Override
  public double doubleValue()
  {
    return 0;
  }
  
  @Override
  public String getString()
  {
    return null;
  }
  
  @Override
  public Set> entrySet()
  {
    return new HashSet>();
  }
  
  @Override
  public Iterable values()
  {
    return new ArrayList();
  }

  private static class JsonValueNull extends JsonValueBase {

    @Override
    public ValueType getValueType()
    {
      return ValueType.NULL;
    }
    
    @Override
    public String toString()
    {
      return getClass().getSimpleName() + "[]";
    }
  }
  
  private static class JsonValueFalse extends JsonValueBase {
    @Override
    public ValueType getValueType()
    {
      return ValueType.FALSE;
    }
    
    
    @Override
    public String toString()
    {
      return getClass().getSimpleName() + "[]";
    }
  }
  
  private static class JsonValueTrue extends JsonValueBase {
    @Override
    public ValueType getValueType()
    {
      return ValueType.TRUE;
    }
    
    @Override
    public String toString()
    {
      return getClass().getSimpleName() + "[]";
    }
  }
}