Coverage Summary for Class: EncodingFilter (org.kitodo.production.servletfilter)

 /*
  * (c) Kitodo. Key to digital objects e. V. <contact@kitodo.org>
  *
  * This file is part of the Kitodo project.
  *
  * It is licensed under GNU General Public License version 3 or later.
  *
  * For the full copyright and license information, please read the
  * GPL3-License.txt file that was distributed with this source code.
  */
 
 package org.kitodo.production.servletfilter;
 
 import java.io.IOException;
 import java.nio.charset.StandardCharsets;
 import java.util.Objects;
 
 import javax.servlet.Filter;
 import javax.servlet.FilterChain;
 import javax.servlet.FilterConfig;
 import javax.servlet.ServletException;
 import javax.servlet.ServletRequest;
 import javax.servlet.ServletResponse;
 import javax.servlet.annotation.WebFilter;
 import javax.servlet.annotation.WebInitParam;
 
 @WebFilter(filterName = "EncodingFilter", urlPatterns = "/*", initParams = {
     @WebInitParam(name = "requestEncoding", value = "UTF-8") })
 public class EncodingFilter implements Filter {
 
     private String encoding;
 
     /**
      * Initialize this filter by reading its configuration parameters.
      * 
      * @param filterConfig
      *            The Configuration from web.xml file.
      */
     @Override
     public void init(FilterConfig filterConfig) {
         encoding = filterConfig.getInitParameter("requestEncoding");
         if (Objects.isNull(encoding)) {
             encoding = StandardCharsets.UTF_8.name();
         }
     }
 
     /**
      * Sets the character encoding of request and response.
      *
      * @param request
      *            The ServletRequest.
      * @param response
      *            The ServletResponse.
      * @param chain
      *            The FilterChain.
      */
     @Override
     public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
             throws IOException, ServletException {
 
         // Respect the client-specified character encoding
         if (Objects.isNull(request.getCharacterEncoding())) {
             request.setCharacterEncoding(encoding);
         }
 
         response.setCharacterEncoding(encoding);
 
         chain.doFilter(request, response);
     }
 
     /**
      * Nothing is done here.
      */
     @Override
     public void destroy() {
         // nothing is done here
     }
 }