package org.virtus.study.remotesql.app.base.data;

import java.util.Date;
import java.util.HashMap;
import java.util.Map;

@SuppressWarnings("serial")
public class MapEx<K,V> extends HashMap<Object,Object>
{
//	private Map wrapperMap=null;
//	private boolean wrapperMode=false;
//	public Object put(Object key,Object value)
//	{
//		return wrapperMode ? this.wrapperMap.put(key, value) : super.put(key, value);
//	}
//	public Object get(Object key)
//	{
//		return wrapperMode ? this.wrapperMap.get(key) : super.get(key);
//	}
	
	public MapEx<K, V> set(String key,Object value)
	{
		this.put(key, value);
		return this;
	}
	
	public MapEx<K, V> set(String key,String value)
	{
		this.put(key, value);
		return this;
	}
	
	public MapEx<K, V> set(String key,int value)
	{
		return this.set(key, new Integer(value));
	}
	
	public MapEx<K, V> set(String key,long value)
	{
		return this.set(key, new Long(value));
	}
	
	public MapEx<K, V> set(String key,double value)
	{
		return this.set(key, new Double(value));
	}
	
	public MapEx<K, V> set(String key,boolean value)
	{
		return this.set(key, new Boolean(value));
	}
	
	public MapEx<?, ?> set(String key)
	{
		return this.set(key,true);
	}
	
	public MapEx<K, V> unset(String key)
	{
		this.remove(key);
		return this;
	}
	
	public String getString(String key)
	{
		return (String)this.get(key);
	}
	
	public String getString(String key,String defaultValue)
	{
		String val=(String)this.get(key);
		return val==null ? defaultValue : val;
	}
	
	public int getInteger(String key)
	{
		Object v=this.get(key);
		if(v==null)return 0;
		try
		{
			return Integer.parseInt(v.toString());
		}
		catch (Exception e)
		{
			return 0;
		}
	}
	
	public long getLong(String key)
	{
		Object v=this.get(key);
		if(v==null)return 0;
		try
		{
			return Long.parseLong(v.toString());
		}
		catch (Exception e)
		{
			return 0;
		}
	}
	
	public double getDouble(String key)
	{
		Object v=this.get(key);
		if(v==null)return 0;
		try
		{
			return Double.parseDouble(v.toString());
		}
		catch (Exception e)
		{
			return 0;
		}
	}
		
	public boolean getBoolean(String key)
	{
		try
		{
			Boolean v=(Boolean)this.get(key);
			return v.booleanValue();
		}
		catch(Exception e)
		{
			return false;
		}
	}
	
	public Date getDate(String key)
	{
		try
		{
			return (Date)this.get(key);
		}
		catch (Exception e)
		{
			return null;
		}
	}
	
	public MapEx()
	{
		
	}
	
	public MapEx(String key)
	{
		this.set(key);
	}
	
	public MapEx(String key,Object value)
	{
		this.set(key, value);
	}
	
	public MapEx(String key,long value)
	{
		this.set(key, value);
	}
	
	public MapEx(String key,int value)
	{
		this.set(key, value);
	}
	
	public MapEx(Object [] keyValuePairs)
	{
		for(int i=0;i<keyValuePairs.length;i+=2)
		{
			Object key=keyValuePairs[i];
			Object val=keyValuePairs[i+1];
			this.put(key, val);
		}
	}
	
	public static MapEx<?, ?> create(Object [] keyValuePairs)
	{
		return new MapEx<Object, Object>(keyValuePairs);
	}
	
	public static MapEx<?, ?> create(String key,Object value)
	{
		return new MapEx<Object, Object>(new Object[]{key,value});
	}
	
	public static MapEx<?, ?> create(String key,long value)
	{
		return new MapEx<Object, Object>().set(key, value);
	}
	
	/**
	 * 从一个Map实例构建一个MapEx实例
	 * 
	 * @param map
	 * @return
	 * @update:
	 */
	public static MapEx<?, ?> fromMap(Map<?,?> map)
	{
		MapEx<?, ?> mapEx = new MapEx<Object, Object>();
		
		for(Object key : map.keySet())
		{
			mapEx.put(key, map.get(key));
        }
		return mapEx;
	}
	
}