/*
    * Licensed under the GPL License. You may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    *
    *   https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
    *
    * THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
    * WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
    * PURPOSE.
   */
  package psiprobe.controllers.deploy;
  
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  
  import org.apache.catalina.Context;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import org.springframework.security.core.Authentication;
  import org.springframework.security.core.context.SecurityContextHolder;
  import org.springframework.web.servlet.ModelAndView;
  import org.springframework.web.servlet.view.InternalResourceView;
  import org.springframework.web.servlet.view.RedirectView;
  
  import psiprobe.controllers.AbstractContextHandlerController;
  
  /**
   * Undeploys a web application.
   */
  public class BaseUndeployContextController extends AbstractContextHandlerController {
  
    /** The Constant logger. */
    private static final Logger logger = LoggerFactory.getLogger(BaseUndeployContextController.class);
  
    /** The failure view name. */
    private String failureViewName;
  
    /**
     * Gets the failure view name.
     *
     * @return the failure view name
     */
    public String getFailureViewName() {
      return failureViewName;
    }
  
    /**
     * Sets the failure view name.
     *
     * @param failureViewName the new failure view name
     */
    public void setFailureViewName(String failureViewName) {
      this.failureViewName = failureViewName;
    }
  
    @Override
    protected ModelAndView handleContext(String contextName, Context context,
        HttpServletRequest request, HttpServletResponse response) throws Exception {
      try {
        if (request.getContextPath().equals(contextName)) {
          throw new IllegalStateException(
              getMessageSourceAccessor().getMessage("probe.src.contextAction.cannotActOnSelf"));
        }
  
        getContainerWrapper().getTomcatContainer().remove(contextName);
        // Logging action
        Authentication auth = SecurityContextHolder.getContext().getAuthentication();
        // get username logger
        String name = auth.getName();
        logger.info(getMessageSourceAccessor().getMessage("probe.src.log.undeploy"), name,
            contextName);
  
      } catch (Exception e) {
        request.setAttribute("errorMessage", e.getMessage());
        logger.error("Error during undeploy of '{}'", contextName, e);
        return new ModelAndView(new InternalResourceView(
            getFailureViewName() == null ? getViewName() : getFailureViewName()));
      }
      return new ModelAndView(new RedirectView(request.getContextPath() + getViewName()));
    }
  
    /**
     * Execute action.
     *
     * @param contextName the context name
     *
     * @throws Exception the exception
     */
    protected void executeAction(String contextName) throws Exception {
      // Not Implemented
    }
  
  }