BackupExceptionHandlerLifeCycle.java

/*
 * Copyright (C) 2003-2017 eXo Platform SAS.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.exoplatform.management.backup.service.webui;

import org.exoplatform.management.backup.service.BackupInProgressException;
import org.exoplatform.portal.application.PortalRequestContext;
import org.exoplatform.web.application.Application;
import org.exoplatform.web.application.ApplicationMessage;
import org.exoplatform.web.application.ApplicationRequestPhaseLifecycle;
import org.exoplatform.web.application.Phase;
import org.exoplatform.web.application.RequestFailure;

/**
 * The Class BackupExceptionHandlerLifeCycle.
 */
public class BackupExceptionHandlerLifeCycle implements ApplicationRequestPhaseLifecycle<PortalRequestContext> {

  /**
   * {@inheritDoc}
   */
  @Override
  public void onInit(Application app) throws Exception {}

  /**
   * {@inheritDoc}
   */
  @Override
  public void onStartRequest(Application app, PortalRequestContext context) throws Exception {}

  /**
   * {@inheritDoc}
   */
  @Override
  public void onFailRequest(Application app, PortalRequestContext context, RequestFailure failureType) {
    try {
      onEndRequest(app, context);
    } catch (Exception e) {
      // Nothing wrong
    }
  }

  /**
   * {@inheritDoc}
   */
  @Override
  public void onEndRequest(Application app, PortalRequestContext context) throws Exception {
    Boolean exceptionCaught = BackupInProgressException.untreatedException.get();
    if (exceptionCaught != null && exceptionCaught) {
      context.getUIApplication().getUIPopupMessages().clearMessages();
      ApplicationMessage message = new ApplicationMessage("Operation not allowed, backup is in progress", null, ApplicationMessage.ERROR);
      context.getUIApplication().addMessage(message);
      BackupInProgressException.untreatedException.set(false);
    }
  }

  /**
   * {@inheritDoc}
   */
  @Override
  public void onDestroy(Application app) throws Exception {}

  /**
   * {@inheritDoc}
   */
  @Override
  public void onStartRequestPhase(Application app, PortalRequestContext context, Phase phase) {}

  /**
   * {@inheritDoc}
   */
  @Override
  public void onEndRequestPhase(Application app, PortalRequestContext context, Phase phase) {
    try {
      onEndRequest(app, context);
    } catch (Exception e) {
      // Nothing wrong
    }
  }

}