content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You under the Apache License, Version 2.0
   * (the "License"); you may not use this file except in compliance with
   * the License.  You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package org.apache.camel.component.jetty;
  
  import java.io.IOException;
  
  import jakarta.servlet.Filter;
  import jakarta.servlet.FilterChain;
  import jakarta.servlet.FilterConfig;
  import jakarta.servlet.ServletException;
  import jakarta.servlet.ServletRequest;
  import jakarta.servlet.ServletResponse;
  import jakarta.servlet.http.HttpServletRequest;
  
  /**
   * To enable handle attachments with Jetty 11 when this filter is set.
   * <p/>
   * To replace the deprecated org.eclipse.jetty.servlets.MultiPartFilter Tell AttachmentHttpBinding to use Servlet 3
   * HttpServletRequest.getParts API
   */
  public class MultiPartFilter implements Filter {
  
      public static final String MULTIPART = "populate.multipart";
  
      @Override
      public void init(FilterConfig filterConfig) throws ServletException {
  
      }
  
      @Override
      public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
              throws IOException, ServletException {
          HttpServletRequest srequest = (HttpServletRequest) request;
          if (srequest.getContentType() == null || !srequest.getContentType().startsWith("multipart/form-data")) {
              chain.doFilter(request, response);
          } else {
              srequest.getParts(); //load and init attachments
              request.setAttribute(MULTIPART, Boolean.TRUE);
              chain.doFilter(request, response);
          }
      }
  
      @Override
      public void destroy() {
  
      }
  
  }
  