[1240] | 1 | package gov.va.med.edp.web.controller;
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| 2 |
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| 3 | import org.springframework.web.servlet.mvc.AbstractController;
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| 4 | import org.springframework.web.servlet.ModelAndView;
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| 5 | import org.springframework.util.StringUtils;
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| 6 | import org.springframework.util.Assert;
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| 7 | import org.springframework.beans.factory.InitializingBean;
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| 8 |
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| 9 | import javax.servlet.http.HttpServletRequest;
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| 10 | import javax.servlet.http.HttpServletResponse;
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| 11 | import java.util.Set;
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| 12 |
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| 13 | /**
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| 14 | * Controller for handling logout.
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| 15 | * <p/>
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| 16 | * Only logic for logout other than invalidating the session is remove the swfID from the list of recognized ones
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| 17 | * for this session. If the count drops to 0, or the swfID is not supplied, then invalidate the session.
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| 18 | */
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| 19 | public class LogoutController extends AbstractController implements InitializingBean {
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| 20 |
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| 21 | public static final String DEFAULT_VIEW_NAME = "logout";
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| 22 |
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| 23 | private String viewName = DEFAULT_VIEW_NAME;
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| 24 |
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| 25 | public void afterPropertiesSet() throws Exception {
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| 26 | Assert.notNull(viewName, "viewName must not be null");
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| 27 | }
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| 28 |
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| 29 | protected ModelAndView handleRequestInternal(HttpServletRequest request, HttpServletResponse response) throws Exception {
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| 30 | String swfID = request.getParameter("swfID");
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| 31 | if (!StringUtils.hasLength(swfID)) {
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| 32 | request.getSession().invalidate();
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| 33 | } else {
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| 34 | String ids = (String) request.getSession().getAttribute(SessionConstants.RECOGNIZED_SWF_IDS_KEY);
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| 35 | Set idSet = StringUtils.commaDelimitedListToSet(ids);
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| 36 | if (idSet.isEmpty()) {
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| 37 | request.getSession().invalidate();
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| 38 | } else {
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| 39 | idSet.remove(swfID);
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| 40 | if (idSet.isEmpty()) {
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| 41 | request.getSession().setAttribute(SessionConstants.RECOGNIZED_SWF_IDS_KEY, null);
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| 42 | request.getSession().invalidate();
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| 43 | } else {
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| 44 | ids = StringUtils.collectionToCommaDelimitedString(idSet);
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| 45 | request.getSession().setAttribute(SessionConstants.RECOGNIZED_SWF_IDS_KEY, ids);
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| 46 | }
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| 47 | }
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| 48 | }
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| 49 |
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| 50 | return new ModelAndView(getViewName());
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| 51 | }
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| 52 |
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| 53 | public String getViewName() {
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| 54 | return viewName;
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| 55 | }
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| 56 |
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| 57 | public void setViewName(String viewName) {
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| 58 | this.viewName = viewName;
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| 59 | }
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| 60 | }
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