/*
    * 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;
  
  import java.util.Locale;
  
  import javax.inject.Inject;
  import javax.servlet.http.HttpServletRequest;
  
  import org.apache.tomcat.util.http.fileupload.servlet.ServletRequestContext;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import org.springframework.web.servlet.mvc.AbstractController;
  
  import psiprobe.beans.ContainerWrapperBean;
  
  /**
   * Base class for controllers requiring access to ContainerWrapperBean.
   */
  public abstract class AbstractTomcatContainerController extends AbstractController {
  
    /** The logger. */
    // We are hiding this as we use better logger and don't care to use springs jcl variation
    @SuppressWarnings("HidingField")
    protected final Logger logger = LoggerFactory.getLogger(getClass());
  
    /** The container wrapper. */
    @Inject
    private ContainerWrapperBean containerWrapper;
  
    /** The view name. */
    private String viewName;
  
    /** Part of HTTP content type header. */
    private static final String MULTIPART = "multipart/";
  
    /** Constant for HTTP POST method. */
    private static final String POST_METHOD = "POST";
  
    /**
     * Gets the container wrapper.
     *
     * @return the container wrapper
     */
    public ContainerWrapperBean getContainerWrapper() {
      return containerWrapper;
    }
  
    /**
     * Sets the container wrapper.
     *
     * @param containerWrapper the new container wrapper
     */
    public void setContainerWrapper(ContainerWrapperBean containerWrapper) {
      this.containerWrapper = containerWrapper;
    }
  
    /**
     * Gets the view name.
     *
     * @return the view name
     */
    public String getViewName() {
      return viewName;
    }
  
    /**
     * Sets the view name.
     *
     * @param viewName the new view name
     */
    public void setViewName(String viewName) {
      this.viewName = viewName;
    }
  
    /**
     * Utility method that determines whether the request contains multipart content. Borrowed and
     * modified from tomcat as they removed it in 9.0.88 and 10.1.x lines.
     *
     * @param request The request context to be evaluated. Must be non-null.
     *
     * @return {@code true} if the request is multipart; {@code false} otherwise.
     */
    public boolean isMultipartContent(final HttpServletRequest request) {
      if (!POST_METHOD.equalsIgnoreCase(request.getMethod())) {
        return false;
      }
      final String contentType = new ServletRequestContext(request).getContentType();
      if (contentType == null) {
        return false;
      }
     return contentType.toLowerCase(Locale.ENGLISH).startsWith(MULTIPART);
   }
 
 }