configalteraction.java

本人课程设计时做的一个用struts框架实现的基于cmmi2的项目管理系统的原型。还有部分功能尚未实现

package com.cmmi2pms.cm.configalter;

import org.apache.log4j.Logger;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpSession;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.lang.*;

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionError;
import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import com.cmmi2pms.sa.user.Employee;
import com.cmmi2pms.sa.project.Project;
import com.cmmi2pms.common.*;

public class ConfigAlterAction extends Action {
    private static Logger logger = Logger.getLogger ("ConfigAlterAction");
	public ActionForward execute(ActionMapping mapping,
		ActionForm form,
		HttpServletRequest request,
		HttpServletResponse response)
		throws Exception {
		
		
		ActionErrors errors = new ActionErrors();
        ConfigAlterAttr[] theAttrList = new ConfigAlterAttr[5]  ;
        ConfigAlterAttr attrDetail = new ConfigAlterAttr();
        
        HttpSession session = request.getSession();
        
        Employee user = (Employee) session.getAttribute(com.cmmi2pms.common.Constants.USER_KEY);
        Integer userID = new Integer(user.getUserID());
        Project thtProject = (Project) session.getAttribute(com.cmmi2pms.common.Constants.PROJECT_KEY);

        AlterMgr theAlterMgr = new AlterMgr(thtProject.getProjectID(),userID.intValue());
        
        ConfigAlterForm aForm = (ConfigAlterForm) form;
        
        // If all exceptions are registered with handlers
        // the try .. catch clause can be omitted
        System.out.println("ConfigAlterAction is invoked");
        String forwardKey = new String();
        String blanch1 = new String("viewItem");
        String blanch2 = new String("viewDetail");
        String blanch3 = new String("applyAlter");
        
        String theAlterId = new String();
        String toDo ;
        
        //String blanch4 = new String("submitApply");
        try {
        	if (request.getParameter("toDo") == null)
        	{
        		logger.info("toDo para is null;act =" + aForm.getact());
        		if (aForm.getact().equals("addNewAlter"))
        		{
        		    logger.info("In blanch null subblanch addNewAlter");
        		
            		//write to database
        	    	int a =theAlterMgr.getAlterItemNum() + 1;
        		    theAlterMgr.modifyAppTab(-1,aForm.getalteritem(),aForm.getreason(),
        		                         aForm.getrequisttype(),aForm.getcontent());
        		    //aForm.setact("applied");
        		    forwardKey = "applyNewAlter";
        	    } 
        	    else if (aForm.getact().equals("approveAlter"))
        		{
        		    logger.info("In blanch null subblanch approveAlter");
        		
            		logger.info("aForm's applyid = "+aForm.getalterapplyid()); 
        		    theAlterMgr.modifyApproveTab(aForm.getalterapplyid(),aForm.getstatus(),aForm.getapprovereport(),aForm.getapprover(),aForm.getvalidator());
            	   
		           // logger.info("Before Return from ConfigAlterAction");
        		    
        		    //aForm.setact("approved");
        		    forwardKey = "saveApproveAlter";
        	    }
        	    
        	     else 
        	    {
        	        forwardKey = "approveAlter";
        	    }
        	    
        	}
        	else 
        	{
        		toDo= new String(request.getParameter("toDo"));
        		logger.info("toDo is not null :" + toDo);
        		
        		if (toDo.equals(blanch1))
        	    {
        	    	aForm.setact("");
        		    int itemNum = theAlterMgr.getAlterItemNum();
        	        theAttrList = new ConfigAlterAttr[itemNum];
        	        theAttrList = theAlterMgr.getAlterAttrList();
        	        
        	        //System.out.println("write to session ");
		            session.setAttribute("theAttrList",theAttrList );
		            //System.out.println("writing finished");
		            //session.getValue("theAttrList");
		            forwardKey = "viewAlterItem";
        	    }        	
        	    else if (toDo.equals(blanch2))
        	    {
        	    	aForm.setact("");
        		    System.out.println("Blanch 2");
        		    System.out.println("aid="+request.getParameter("theAlterId"));
        		    
            		theAlterId = request.getParameter("theAlterId");
            		System.out.println("标识"+theAlterId);
            		Integer tmp = new Integer(theAlterId);
        		        		        		
            		attrDetail = theAlterMgr.getDetailInfo(tmp.intValue());
            		
            		System.out.println("write to session ");
		            session.setAttribute("theAttrDetail",attrDetail );
		            System.out.println("writing finished");
		            forwardKey = "viewDetailItem";
		            
        	    } else if (toDo.equals(blanch3))
        	    {
        		    logger.info("In blanch 3 applyAlter");
            		aForm.setact("addNewAlter");
            		logger.info("aForm's act = "+aForm.getact());
            		
            		forwardKey = "applyNewAlter";
            		 
        	    } else if (toDo.equals("approveAlter"))
        	    {
        		    
        		    logger.info("In blanch 4 approveAlter");
            		aForm.setact("approveAlter");
            		
            		theAlterId = request.getParameter("theAlterId");
            		Integer id = new Integer(theAlterId);
            		aForm.setalterapplyid(id.intValue());
            		logger.info("aForm's act = "+aForm.getact());  
            		logger.info("aForm's applyid = "+aForm.getalterapplyid());          		
            		
            		forwardKey = "approveAlter";
        	       /*
        	       theAlterId = request.getParameter("theAlterId");
            	   logger.info("标识"+theAlterId);
            	   
            	   Integer tmp = new Integer(theAlterId);
            	   
            	   theAlterMgr.modifyApproveTab(tmp.intValue(),aForm.getstatus(),aForm.getapprovereport(),aForm.getapprover(),aForm.getvalidator());
            	   
		           logger.info("Before Return from ConfigAlterAction");
		           */
        	    }
        	    else if (toDo.equals("delAlter"))
        		{
        		    logger.info("In blanch 5 subblanch delAlter");
        		
            		forwardKey = "delAlter";       
            		
            		theAlterId = (String) request.getParameter("theAlterId");	     
            	   
            	    theAlterMgr.delAlter(theAlterId); 	           
        	    }
        	    else 
        	    {
        	        forwardKey = "approveAlter";
        	    }
        	}
        }
        // * Catch your business exceptions here *
        catch (Exception e) {
        	// Log and print to error console
        	logger.error("Exception: " + e.getMessage() );
        	e.printStackTrace();
        	// General error message
        	errors.add(ActionErrors.GLOBAL_ERROR,
        		new ActionError("error.general"));
        	// Generate error message from exceptions
        	errors.add(ActionErrors.GLOBAL_ERROR,
        	new ActionError("error.detail",e.getMessage()));
        	
        }
        // Report any errors
        if (!errors.empty()) {
        	//写日志
        	StringBuffer message =
                new StringBuffer("Error in XXXX: '");
            message.append("your error information.");
            message.append(session.getId());
            servlet.log(message.toString());
        	
        	//写错误信息，供页面显示，返回输入页面
        	saveErrors(request, errors);
        	if (mapping.getInput()!=null)
        		return (new ActionForward(mapping.getInput()));
        	// If no input page, use error forwarding
        	return (mapping.findForward("Error"));
		}
    	// * If your business logic created any *
    	// * helper objects, save them before returning *
    	// * request.setAttribute("yourKey",yourBusinessObject); *
    	// * Return the ActionForward you use for success *
    	/*
            if (request.getParameter("toDo")!= null)
        	{
        		String toDo2 = new String(request.getParameter("toDo"));
        		if (toDo2.equals( "viewItem" ))
                {
                	
        	        HttpSession session = request.getSession();
        	        System.out.println("write to session ");
		            session.setAttribute("theAttrList",theAttrList );
		            System.out.println("writing finished");
		            //session.getValue("theAttrList");
		            forwardKey = "viewAlterItem";
		        } else if (toDo2.equals("viewDetail"))
                {
        	        HttpSession session = request.getSession();
        	        System.out.println("write to session ");
		            session.setAttribute("theAttrDetail",attrDetail );
		            System.out.println("writing finished");
		            forwardKey = "viewDetailItem";
       	
                } else if ( toDo2.equals(blanch3) )
               {
        	       forwardKey = "applyNewAlter";
               } else if ( toDo2.equals("approveAlter") )
               {
        	       forwardKey = "approveAlter";
        	       
        	       theAlterId = request.getParameter("theAlterId");
            	   logger.info("标识"+theAlterId);
            	   
            	   Integer tmp = new Integer(theAlterId);
            	   
            	   theAlterMgr.modifyApproveTab(tmp.intValue(),"通过审核",aForm.getapprovereport(),aForm.getapprover(),aForm.getvalidator());
            	   
		           logger.info("Before Return from ConfigAlterAction");
               }
        	   
            }
        */
		logger.info("Before Return from ConfigAlterAction");
		logger.info("forwardKey = "+forwardKey);
		return (mapping.findForward(forwardKey));   	
    }
}