sysxlatitemcaching.java

j2ee源码

/*
 * Created on 2005/11/16
 *
 * To change the template for this generated file go to
 * Window>Preferences>Java>Code Generation>Code and Comments
 */
package com.leeman.wkexs.common.plugin;

import javax.servlet.ServletException;

import org.apache.struts.action.ActionServlet;
import org.apache.struts.action.PlugIn;
import org.apache.struts.config.ModuleConfig;

import java.util.ArrayList;
import java.util.HashMap;
import com.leeman.wkexs.web.base.BaseConstants;
import com.leeman.common.entity.SysXlatItemVO;
import com.leeman.common.handler.SysXlatItemHandlerHome;
import com.leeman.common.handler.SysXlatItemHandler;
import com.leeman.common.util.EjbGetter;

/**
 * @author kenneth
 *
 * To change the template for this generated type comment go to
 * Window>Preferences>Java>Code Generation>Code and Comments
 */
public class SysXlatItemCaching implements PlugIn {

	/* (non-Javadoc)
	 * @see org.apache.struts.action.PlugIn#destroy()
	 */
	public void destroy() {
		//Auto-generated method stub
	}

	/* (non-Javadoc)
	 * @see org.apache.struts.action.PlugIn#init(org.apache.struts.action.ActionServlet, org.apache.struts.config.ModuleConfig)
	 */
	public void init(ActionServlet actionServlet, ModuleConfig moduleConfig)
		throws ServletException {
		//Auto-generated method stub
		ArrayList sysXlatItemList = null;
		HashMap map = new HashMap();
		try
		{
			SysXlatItemHandler handler = getSysXlatItemHandler();
			System.out.println("[SysXlatItemCaching]: Handler Created.");
			sysXlatItemList = handler.getList();
			
			String lastFieldName = "";
			String lastLangId = "";
			ArrayList tempList = null;
			for(int i=0; i<sysXlatItemList.size(); i++)
			{
				SysXlatItemVO tempVO = (SysXlatItemVO)sysXlatItemList.get(i);
				
				if(i==0){
					tempList = new ArrayList();
					tempList.add(tempVO);
					lastFieldName = tempVO.getField_name();
					lastLangId = tempVO.getLang_id();
				}
				else if(tempVO.getField_name().equals(lastFieldName) && tempVO.getLang_id().equals(lastLangId)){
					tempList.add(tempVO);
					lastFieldName = tempVO.getField_name();
					lastLangId = tempVO.getLang_id();
				}
				else{
					map.put(lastFieldName+"_" +lastLangId, tempList);
					tempList = new ArrayList();
					tempList.add(tempVO);
					lastFieldName = tempVO.getField_name();
					lastLangId = tempVO.getLang_id();
				}
			}
			map.put(lastFieldName+"_" +lastLangId, tempList);
			tempList = null;
			sysXlatItemList = null;
			handler.remove();
			System.out.println("[SysXlatItemCaching]: Caching sys_xlat_item table at servletContext.");
		}catch(Exception e)
		{
			System.out.println("[SysXlatItemCaching]: Cannot Caching Sys_Xlat_Item Table at servletContext.");
			System.out.println(e.getMessage());
			sysXlatItemList = null;
			map = null;
		}
		actionServlet.getServletContext().setAttribute(BaseConstants.CONTEXT_SYS_XLAT_ITEM_TBL,map);
		map = null;
	}
	
	public SysXlatItemHandler getSysXlatItemHandler() throws Exception
	{
		SysXlatItemHandlerHome home = (SysXlatItemHandlerHome)EjbGetter.getEJBHome(SysXlatItemHandler.JNDINAME, SysXlatItemHandlerHome.class);
		SysXlatItemHandler sysXlatItemHandler = home.create();
		return sysXlatItemHandler;
	}
}