/*
    * 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.internal.webapp;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import javax.servlet.http.HttpServletResponse;
  import javax.servlet.http.HttpServletResponseWrapper;
  import java.lang.invoke.MethodHandles;
  
  public class DebugContentTypeResponse extends HttpServletResponseWrapper {
  
    private static final Logger LOG = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
  
    public DebugContentTypeResponse(final HttpServletResponse response) {
      super(response);
    }
  
    @Override
    public void setContentType(final String type) {
      if (LOG.isDebugEnabled()) {
        LOG.debug("Setting Content-Type to '" + type + "'.", new Exception());
      }
      super.setContentType(type);
    }
  
    @Override
    public String getContentType() {
      final String type = super.getContentType();
      if (LOG.isDebugEnabled()) {
        LOG.debug("Getting Content-Type '" + type + "'.", new Exception());
      }
      return type;
    }
  
    @Override
    public void setHeader(final String name, final String value) {
      if ("Content-Type".equals(name)) {
        if (LOG.isDebugEnabled()) {
          LOG.debug("Setting Content-Type to '" + value + "'.", new Exception());
        }
      }
      super.setHeader(name, value);
    }
  
    @Override
    public void addHeader(final String name, final String value) {
      if ("Content-Type".equals(name)) {
        if (LOG.isDebugEnabled()) {
          LOG.debug("Setting Content-Type to '" + value + "'.", new Exception());
        }
      }
      super.addHeader(name, value);
    }
  }