areaserviceimpl.java

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/* 
 * Created on 2007-2-3
 * Last modified on 2007-3-6
 * Powered by YeQiangWei.com
 */
package com.yeqiangwei.club.service.util.impl;

import java.util.ArrayList;
import java.util.List;

import com.yeqiangwei.club.dao.AreaDAO;
import com.yeqiangwei.club.dao.DAOLocator;
import com.yeqiangwei.club.dao.DAOWrapper;
import com.yeqiangwei.club.dao.model.Area;
import com.yeqiangwei.club.param.AreaParameter;
import com.yeqiangwei.club.service.model.AreaModel;
import com.yeqiangwei.club.service.util.AreaService;
import com.yeqiangwei.club.util.BeanLocator;
import com.yeqiangwei.club.util.BeanUtils;
import com.yeqiangwei.club.util.MessageUtils;
import com.yeqiangwei.util.TypeChange;
import com.yeqiangwei.util.Validator;

public class AreaServiceImpl extends MessageUtils implements AreaService {
	
	public AreaModel findById(int id) {
		if(id>0){
			Area item = this.getAreaDAO().findById(id);
			AreaModel model = null;
			if(Validator.isEmpty(item)){
				model = new AreaModel();
				BeanUtils.copyProperties(model,item);
			}
			return model;
		}
		return null;
	}

	public AreaModel createOrUpdate(AreaModel model) {
		if(model.getAreaId()>0){
			return this.update(model);
		}else{
			return this.create(model);
		}
	}

	public AreaModel create(AreaModel model) {
		if(Validator.isEmpty(model)){
			model = null;
			this.setMessage(super.getMessage("error_system"));
		}
		else if(Validator.isEmpty(model.getName())){
			model = null;
			this.setMessage(super.getMessage("error_empty"));
		}else{
			Area item = new Area();
			BeanUtils.copyProperties(item,model);
			item = this.getAreaDAO().create(item);
			if(Validator.isEmpty(item)){
				this.setMessage(super.getMessage("error"));
			}else{
				BeanUtils.copyProperties(model,item);
				this.setMessage(super.getMessage("success"));
			}
		}
		return model;
	}

	public AreaModel update(AreaModel model) {
		if(Validator.isEmpty(model)){
			this.setMessage(super.getMessage("error_system"));
			model = null;
		}
		else if(Validator.isEmpty(model.getName())){
			this.setMessage(super.getMessage("error_empty"));
			model = null;
		}else{
			Area item = new Area();
			BeanUtils.copyProperties(item,model);//BO->PO
			this.getAreaDAO().update(item);
			if(Validator.isEmpty(model)){
				model = null;
				this.setMessage(super.getMessage("error"));
			}else{
				BeanUtils.copyProperties(model,item); //PO->BO
				this.setMessage(super.getMessage("success"));
			}
		}
		return model;
	}

	public int delete(AreaModel model) {
		int c = 0;
		if(model.getAreaId()>0){
			Area item = new Area();
			BeanUtils.copyProperties(item,model);//BO->pO
			c = this.getAreaDAO().delete(item);
		}
		if(c>0){
			this.setMessage(super.getMessage("success"));
		}else{
			this.setMessage(super.getMessage("error"));
		}
		return c;
	}

	public int delete(String[] ids) {
		int c = 0;
		if(!Validator.isEmpty(ids)){
			List<Integer> list = new ArrayList<Integer>();
			for(int i=0; i<ids.length; i++){
				int id = TypeChange.stringToInt(ids[i]);
				list.add(new Integer(id));
			}
			c = this.getAreaDAO().delete(list);
		}
		if(c>0){
			this.setMessage(super.getMessage("success"));
		}else{
			this.setMessage(super.getMessage("error"));
		}
		return c;
	}

	public List<AreaModel> findByParameter(AreaParameter param) {
		List<Area> list = this.getAreaDAO().findByParameter(param);
		List<AreaModel> mlist = BeanUtils.<Area,AreaModel>copyList(list,BeanLocator.AREAMODEL);
		return mlist;
	}

	public long countByParameter(AreaParameter param) {
		return this.getAreaDAO().countByParameter(param);
	}

	public AreaDAO getAreaDAO() {
		return DAOWrapper.<AreaDAO>getSingletonInstance(DAOLocator.AREA);
	}
	
	
}