content: /*
   * Copyright (C) 2013 4th Line GmbH, Switzerland
   *
   * The contents of this file are subject to the terms of either the GNU
   * Lesser General Public License Version 2 or later ("LGPL") or the
   * Common Development and Distribution License Version 1 or later
   * ("CDDL") (collectively, the "License"). You may not use this file
   * except in compliance with the License. See LICENSE.txt for more
   * information.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
   */
  package org.fourthline.cling.support.model.dlna.message.header;
  
  import java.util.ArrayList;
  import java.util.List;
  import org.fourthline.cling.model.message.header.InvalidHeaderException;
  import org.fourthline.cling.model.types.PragmaType;
  
  /**
   * DLNA Pragma tokens:
   *  - getIfoFileURI.dlna.org
   *  - ifoFileURI.dlna.org
   * 
   * @author Mario Franco
   */
  public class PragmaHeader extends DLNAHeader<List<PragmaType>> {
      
      public PragmaHeader() {
          setValue(new ArrayList<PragmaType>());
      }
      
      @Override
      public void setString(String s) throws InvalidHeaderException {
          if (s.length() != 0) {
              if (s.endsWith(";")) {
                  s = s.substring(0, s.length() - 1);
              }
              String[] list = s.split("\\s*;\\s*");
              List<PragmaType> value = new ArrayList<>();
              for (String pragma : list) {
                  value.add(PragmaType.valueOf(pragma));
              }
              return;
          }
          throw new InvalidHeaderException("Invalid Pragma header value: " + s);
      }
      
      @Override
      public String getString() {
          List<PragmaType> v = getValue();
          String r = "";
          for (PragmaType pragma : v) {
              r += (r.length() == 0 ? "": "," )+  pragma.getString();
          }
          return r;
      }
  }
  