XinYu_RZMES/.svn/pristine/a8/a8b0ecb351f46cb69ff8144c31a92c98a0931bee.svn-base

package xin.glue.ui.B.B01;

import com.posdata.glue.biz.activity.PosActivity;
import com.posdata.glue.biz.constants.PosBizControlConstants;
import com.posdata.glue.context.PosContext;
import com.posdata.glue.dao.PosDaoException;
import com.posdata.glue.dao.PosGenericDao;
import com.posdata.glue.dao.vo.PosParameter;
import com.posdata.glue.dao.vo.PosRowSet;

/**
 * 
 * @Description  页面初始化
 * @author       梅贵平{meiguiping}
 * @date         2008-10-30 下午08:42:42
 * @JDK Version  jdk1.4.2
 */
public class InitParamManager extends PosActivity
{
	public InitParamManager(){}
	
	public String runActivity(PosContext context)
	{
		try
		{
			if(context.get("success")==null)//若触发的非success事件，则不进行初始化查询
			{
				return PosBizControlConstants.SUCCESS;
			}
			
			String sCount    = this.getProperty("param-count");
			//判断页面是否需要初始化
			if(sCount != null)
			{
				PosGenericDao posDao = this.getDao(this.getProperty("dao"));//获得数据访问对象
			
				String[] rkl  = (String[])context.get("ResultKeyList");
				int rklLength = 0;
				if(rkl !=null)
				{
					rklLength = rkl.length;
				}
				
				int iCount        = Integer.parseInt(sCount.trim());//获取所对应的sql语句的个数
				String[] arrSql   = new String[iCount];//定义存放sqllist的数组
				String[] nodeList = new String[iCount];//定义存放各sql语句参数的数组	
				int arrCount  = iCount+rklLength;
				String[] arr  = new String[arrCount];//各查询结果对象(PosRowSet)放入该数组，  arr将存放到ResultKeyList中		
				String[] initResult    = this.getProperty("initResult").split("\\|");//分割resultkey

				//循环中存放参数及执行相应的SQL语句
				for(int i=0; i < iCount; i++)
				{
					PosParameter posParam = new PosParameter();
					arrSql[i]   = this.getProperty("sqlkey"+i);//获得各条sql语句				
					nodeList[i] = this.getProperty("param"+i);//获得各条sql语句的参数  如："ID|NAME|CHARGE_NO|XIN_DATE"
					arr[i]      = initResult[i]; //获得各具体的PosRowSet存放对象，如：EmpListResult
					if(nodeList[i] !=null && !"NULL".equalsIgnoreCase(String.valueOf(nodeList[i])))
					{
						String[] nodeName = nodeList[i].split("\\|");//获取各个具体的参数，即节点名称
						//sql预处理
						for(int j=0; j < nodeName.length; j++)
						{
							posParam.setWhereClauseParameter(j, ((String[])context.get(nodeName[j]))[0]);						
						}			
					}//if(isNull) end
					PosRowSet rowset   = posDao.find(arrSql[i], posParam);
					context.put(arr[i], rowset);//将结果集放入相应的resultkey中
				}//for(iCount) end
				if(rkl!=null)
				{
					System.arraycopy(rkl, 0, arr, iCount, rklLength);//数组copy 将initResult初始化结果集也放到ResultKeyList中
				}//if(rkl) end
				context.put("ResultKeyList", arr);				
			}//if(sCount)end
		}
		catch(Exception e)
		{
			throw new PosDaoException((new StringBuffer(400).append("Parameters initialize failed. detailMessage = ")).append(e.toString()).toString() , e);
		}			
		return PosBizControlConstants.SUCCESS;	
		}
	}