content: package act.data;
  
  /*-
   * #%L
   * ACT Framework
   * %%
   * Copyright (C) 2014 - 2017 ActFramework
   * %%
   * Licensed 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.
   * #L%
   */
  
  import org.osgl.util.S;
  
  class ContentTypeWithEncoding {
      public final String contentType;
      public final String encoding;
  
      public ContentTypeWithEncoding(String contentType, String encoding) {
          this.contentType = contentType;
          this.encoding = encoding;
      }
  
      public static ContentTypeWithEncoding parse(String contentType) {
          if( contentType == null ) {
              return new ContentTypeWithEncoding("text/html", null);
          } else {
              String[] contentTypeParts = contentType.split(";");
              String _contentType = contentTypeParts[0].trim().toLowerCase();
              String _encoding = null;
              // check for encoding-info
              if (contentTypeParts.length >= 2) {
                  String[] encodingInfoParts = contentTypeParts[1].split(("="));
                  if (encodingInfoParts.length == 2 && encodingInfoParts[0].trim().equalsIgnoreCase("charset")) {
                      // encoding-info was found in request
                      _encoding = encodingInfoParts[1].trim();
  
                      if (S.notBlank(_encoding) &&
                              ((_encoding.startsWith("\"") && _encoding.endsWith("\""))
                                      || (_encoding.startsWith("'") && _encoding.endsWith("'")))
                              ) {
                          _encoding = _encoding.substring(1, _encoding.length() - 1).trim();
                      }
                  }
              }
              return new ContentTypeWithEncoding(_contentType, _encoding);
          }
      }
  }
  
  