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 act.app.ActionContext;
  import org.osgl.http.H;
  import org.osgl.logging.L;
  import org.osgl.logging.Logger;
  import org.osgl.util.C;
  
  import java.util.Map;
  
  // Disclaim, major logic of this component come from PlayFramework 1.3's DataParser
  public abstract class RequestBodyParser {
  
      protected static final Logger logger = L.get(RequestBodyParser.class);
  
      private static Map<H.Format, RequestBodyParser> parsers = C.Map(
              H.Format.FORM_MULTIPART_DATA, new ApacheMultipartParser(),
              H.Format.FORM_URL_ENCODED, new UrlEncodedParser(),
              H.Format.JSON, TextParser.INSTANCE,
              H.Format.XML, TextParser.INSTANCE,
              H.Format.CSV, TextParser.INSTANCE
      );
  
      public static RequestBodyParser get(H.Request req) {
          H.Format contentType = req.contentType();
          RequestBodyParser parser = parsers.get(contentType);
          if (null == parser) {
              parser = TextParser.INSTANCE;
          }
          return parser;
      }
  
      public abstract Map<String, String[]> parse(ActionContext context);
  
  }
  
  