/*
    * 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.myfaces.tobago.util;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import org.apache.myfaces.tobago.portlet.PortletUtils;
  
  import javax.faces.context.FacesContext;
  import javax.servlet.http.HttpServletRequest;
  import java.io.UnsupportedEncodingException;
  
  public class RequestUtils {
  
    private static final Logger LOG = LoggerFactory.getLogger(RequestUtils.class);
  
    public static void ensureEncoding(FacesContext facesContext) {
      Object requestObject = facesContext.getExternalContext().getRequest();
      try {
        if (requestObject instanceof HttpServletRequest) {
          HttpServletRequest request = (HttpServletRequest) requestObject;
          if (request.getCharacterEncoding() == null) {
            request.setCharacterEncoding("UTF-8");
          }
        } else if (PortletUtils.isPortletRequest(facesContext)) {
          PortletUtils.ensureEncoding(facesContext);
        }
  
      } catch (UnsupportedEncodingException e) {
        LOG.error("" + e, e);
      }
    }
  }