MyEclipse :: View topic

MyEclipse: session

bipien@yahoo.com - Jul 12, 2009 - 03:35 PM
Post subject: session

// goodsRequestProcessor.java
/*
*
* TODO To change the template for this generated file go to
* Window - Preferences - Java - Code Style - Code Templates
*/
package goods.war;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.apache.struts.Globals;
import org.apache.struts.action.ActionError;
import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.RequestProcessor;
import org.apache.struts.config.ForwardConfig;

import goods.utility.DTO.UserInfo;

/**
*
*
* TODO To change the template for this generated type comment go to
* Window - Preferences - Java - Code Style - Code Templates
*/
public class goodsRequestProcessor extends RequestProcessor {

/** This method checks whether the method get executed before any processing
* @see org.apache.struts.action.RequestProcessor#processPreprocess(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
* @return boolean
* normal processing of the user request is done
* login required page is displayed
*/
protected boolean processPreprocess(HttpServletRequest req, HttpServletResponse res)
{
ActionErrors errors = new ActionErrors();
if(errors)
return true;
else if
return false;
try
{
ForwardConfig config =findForwardConfig("loginrequired");
req.setAttribute(Globals.ERROR_KEY, errors);

}
catch (IOException e)
{
System.err.println("IO Exception in preprocess "+e.getMessage());
}
catch(ServletException se)
{
System.err.println("Servlet Exception in preprocess "+se.getMessage());
}
return false;
}

/* (non-Javadoc)
* @see org.apache.struts.action.RequestProcessor#processRoles(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse, org.apache.struts.action.ActionMapping)
*/
protected boolean processRoles(HttpServletRequest req,
HttpServletResponse res) throws IOException,
ServletException {
HttpSession session = req.getSession(false);

String[] roles=map.getRoleNames();
if(roles!=null && roles.length!=0)
for(int i=0;i<roles.length;i++)
{
if(roles)
return true;
}
if(roles!=null && roles.length!=0)
{
try
{
ActionErrors errors = new ActionErrors();
System.err.println("InValid URL");
SessionManagement.invalidateSession();
errors.add(ActionErrors.GLOBAL_ERROR, new ActionError("error.session.invalidurl"));
ForwardConfig config = findForwardConfig("loginrequired");
req.setAttribute(Globals.ERROR_KEY, errors);

}
catch (IOException e)
{
System.err.println("IO Exception in processRoles "+e.getMessage());
}
catch(ServletException se)
{
System.err.println("Servlet Exception in processRoles "+se.getMessage());
}
return false;
}
return true;
}
}
// SessionManagement.java

/*
* Created on Apr 13, 2009
*
* TODO To change the template for this generated file go to
* Window - Preferences - Java - Code Style - Code Templates
*/
package goods.war;

import java.util.Enumeration;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;

import org.apache.struts.action.ActionError;
import org.apache.struts.action.ActionErrors;

/**
*
*
*/
public class SessionManagement {

/**
*
*/
public SessionManagement() {
super();

}

/**This method is called to validate.
* It first checks whether a URL
* It also destroys user session
* @param HttpServletRequest req
* @param ActionErrors errors
* @return boolean
* if a user session is available and user has requested a valid URL
* otherwise
*/
public static boolean validateAction()
{
HttpSession session = req.getSession(false);
if(session)
{

String url = req.getServletPath();
{
if(url)
return true;
}
else
{
System.err.println("InValid URL");
invalidateSession();
errors.add(ActionErrors.GLOBAL_ERROR, new ActionError("error.session.invalidurl"));
}
}
else
{
System.err.println("login required");
errors.add(ActionErrors.GLOBAL_ERROR, new ActionError("error.session.failed"));
}
return false;
}

/**This method is called to terminate session
* it gets all the attributes
* @param HttpSession session
*/
public static void invalidateSession()
{
Enumeration allAttrib = session.getAttributeNames();
if(allAttrib)
{
while(allAttrib.hasMoreElements())
{
session.removeAttribute(allAttrib.nextElement());
}
}
session.invalidate();
session=null;
}
/**This method is called to checks whether a user session is available or not.
* @param HttpServletRequest req
* @param ActionErrors errors
* @return boolean
* <br>true : if a user session is available
* <br>false : otherwise
*/
public static boolean isLoggedIn()
{
HttpSession session = req.getSession(false);
if(session)
return true;
else
{
System.err.println("login required");
errors.add(ActionErrors.GLOBAL_ERROR, new ActionError("error.session.failed"));
}
return false;
}

}

support-joy - Jul 14, 2009 - 11:39 AM
Post subject: RE: session

Take a look at http://www.myeclipseide.com/index.php?name=PNphpBB2&file=viewtopic&p=108341#108341