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Very simple database ORM

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/*******************************************************************************************
 *	Copyright (c) 2016, zzg.zhou([email protected])
 * 
 *  Monalisa is free software: you can redistribute it and/or modify
 *	it under the terms of the GNU Lesser General Public License as published by
 *	the Free Software Foundation, either version 3 of the License, or
 *	(at your option) any later version.

 *	This program 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 Lesser General Public License for more details.

 *	You should have received a copy of the GNU Lesser General Public License
 *	along with this program.  If not, see .
 *******************************************************************************************/
package com.tsc9526.monalisa.tools.parser.impl;

import java.util.ArrayList;
import java.util.Enumeration;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;

import com.tsc9526.monalisa.tools.clazz.Shallowable;
import com.tsc9526.monalisa.tools.clazz.MelpClass;
import com.tsc9526.monalisa.tools.clazz.MelpClass.FGS;
import com.tsc9526.monalisa.tools.misc.MelpException;
import com.tsc9526.monalisa.tools.parser.Parser;

/**
 * 
 * @author zzg.zhou([email protected])
 */
public class ServletRequestParser implements Parser{
	
	public boolean parse(Object target, javax.servlet.ServletRequest data, String... mappings) {
		Map pm=new LinkedHashMap();
		Enumeration e=data.getParameterNames();
		while(e.hasMoreElements()){
			String name=e.nextElement();
			pm.put(name,data.getParameter(name));
		}
				
		KeyMapping map=new KeyMapping(pm,mappings);
		
		for(FGS fgs:MelpClass.getFields(target)){
			fgs.mapto(map, target);
		}
		return true;
	}
	
	@SuppressWarnings("unchecked")
	public static  List parseArrays(T targetTemplate, javax.servlet.ServletRequest data, String... mappings) {
		KeyMapping map = new KeyMapping(data.getParameterMap(), mappings);
		List rs=new ArrayList();
		
		int size=0;
		for (FGS fgs : MelpClass.getFields(targetTemplate)) {
			String key=fgs.findKey(map);
			if(key!=null){
				String[] value = (String[])map.get(key);
				if(value!=null && value.length>size){
					size=value.length;
				}
			}
		}
		
		if(size<1){
			return rs;
		}
		
		try{
			if(targetTemplate instanceof Shallowable){
				for(int i=0;i)targetTemplate).shallow();
					rs.add((T)x);
				}
			}else{
				for(int i=0;i