instockformevent.java.svn-base

简单的出入库产品管理ERP,国外单子.实现产品类型别管理,添加产品及出入库操作.

package com.casin.erp.event;

import com.waveline.webbuilder.event.DefaultContentFormEventImpl;
import com.waveline.webbuilder.struts.ContentFormForm;
import javax.servlet.http.HttpServletRequest;
import com.waveline.webbuilder.exception.ProgramException;
import com.waveline.webbuilder.exception.DataBaseException;
import com.casin.erp.InStock;
import com.waveline.webbuilder.util.FunctionUtil;
import com.casin.erp.Stock;
import com.casin.erp.InStockDetail;
import com.casin.erp.util.StockUtil;
import java.util.List;
import java.text.DecimalFormat;

/**
 * <p>Title: </p>
 *
 * <p>Description: </p>
 *
 * <p>Copyright: Copyright (c) 2006</p>
 *
 * <p>Company: </p>
 *
 * @author not attributable
 * @version 1.0
 */
public class InStockFormEvent
    extends DefaultContentFormEventImpl
{
    public boolean afterInsertForm(HttpServletRequest request,
                                   ContentFormForm contentFormForm,
                                   Object session)
        throws DataBaseException, ProgramException
    {
        if(contentFormForm.getContentObject() instanceof InStock)
        {
            InStock inStock = (InStock)contentFormForm.getContentObject();
            Stock stock = (Stock)FunctionUtil.loadContentObject(Stock.class.getName(),inStock.getStock().getId());
            if(inStock.getAmount().intValue() < 1)
            {
                contentFormForm.setRetMsg("入库数量必须是大于0的正整数。");
                throw new ProgramException("入库数量必须是大于0的正整数。");
            }
            try
            {
                stock.setAmount(new Integer(stock.
                    getAmount().intValue() + inStock.getAmount().intValue()));
                FunctionUtil.update(stock, false, session);
            }
            catch(Exception ex)
            {
                contentFormForm.setRetMsg("核加库存产品数量出现异常");
                throw new ProgramException("核加库存产品数量出现异常。");
            }

            String serial = request.getParameter("serial");

            if(inStock.getType().trim().equals("batch")){
                //批量输入
                int begNo = 0;       //定义起始序列起始的数字值。
                try{
                    begNo = Integer.parseInt(serial.substring(serial.length() -
                        4, serial.length()));
                }catch(NumberFormatException ex){
                    contentFormForm.setRetMsg("你输入的序列号不符合标准，其后四位必须为数字组成。");
                    return false;
                }
                serial = serial.substring(0,serial.length()-4);
                for (int i = 0; i < inStock.getAmount().intValue();begNo++ , i++)
                 {
                     InStockDetail detail = new InStockDetail();
                     detail.getInStock().setId(inStock.getId());
                     detail.setName(serial + this.getFomratNo(begNo));
                     detail.setStatus(new Integer(0));
                     FunctionUtil.create(detail, true, session);
                 }
            }else if(inStock.getType().trim().equals("single")){
                //单个输入
                String[] serialArray = serial.split("\r\n");

                if (inStock.getAmount().intValue() != serialArray.length)
                {
                    contentFormForm.setRetMsg("入库数量( " +
                                              inStock.getAmount().intValue()
                                              + " )必须和序列号数量( " +
                                              serialArray.length + " )相等。");
                    return false;
                }
                    for (int i = 0; i < serialArray.length; i++)
                    {
                        InStockDetail detail = new InStockDetail();
                        detail.getInStock().setId(inStock.getId());
                        detail.setName(serialArray[i]);
                        detail.setStatus(new Integer(0));
                        FunctionUtil.create(detail, true, session);
                    }
            }else{
                contentFormForm.setRetMsg("入库的序列号有误。");
                return false;
            }
        }
        return true;
    }

    public boolean afterDeleteForm(HttpServletRequest request,
                                   ContentFormForm contentFormForm,
                                   Object session)
        throws DataBaseException, ProgramException
    {
        if(contentFormForm.getContentObject() instanceof InStock)
        {
            InStock inStock = (InStock)contentFormForm.getContentObject();
            Stock stock = (Stock)FunctionUtil.loadContentObject(Stock.class.getName(),inStock.getStock().getId());
            if(inStock.getAmount().intValue() > stock.getAmount().intValue())
            {
                contentFormForm.setRetMsg("库存产品数量不足，不能取消入库信息。");
                return false;
            }

            StockUtil StockUtil = new StockUtil();
            List list = StockUtil.getInStockDetailList(inStock);
            for(int i = 0; i < list.size(); i++)
            {
                InStockDetail detail = (InStockDetail)list.get(i);
                if(detail.getStatus() == null || detail.getStatus().intValue() == 1)
                {
                    contentFormForm.setRetMsg("入库产品已被占用，不能取消入库信息。");
                    return false;
                }
            }

            try
            {
                stock.setAmount(new Integer(stock.
                    getAmount().intValue() - inStock.getAmount().intValue()));
                FunctionUtil.update(stock, false, session);
            }
            catch(Exception ex)
            {
                contentFormForm.setRetMsg("取消核加库存产品数量出现异常");
                return false;
            }
        }
        return true;
    }

    //传一整形返回为四位格式字串
    public String getFomratNo(int no)
    {
        DecimalFormat   fmt   =   new   DecimalFormat("0000");
        return fmt.format(no);
    }
}