/*
    * 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.model.types;
  
  /**
   *
   * @author Mario Franco
   */
  public class PragmaType {
  
      private String token;
      private boolean quote;
      private String value;
  
      public PragmaType(String token, String value, boolean quote) {
          this.token = token;
          this.value = value;
          this.quote = quote;
      }
      
      public PragmaType(String token, String value) {
          this.token = token;
          this.value = value;
      }
  
      public PragmaType(String value) {
          this.token = null;
          this.value = value;
      }
  
      
      /**
       * @return the token
       */
      public String getToken() {
          return token;
      }
  
      /**
       * @return the value
       */
      public String getValue() {
          return value;
      }
      
      /**
       * 
       * @return String format of Bytes Range for response message header 
       */
      public String getString() {
          String s ="";
          if (token!=null)
              s += token + "=";
  
          s += quote? "\""+value+"\"" : value;
          return s;
      }
  
      public static PragmaType valueOf(String s) throws InvalidValueException {
          if (s.length() != 0) {
              String token=null, value = null;
              boolean quote = false;
              String[] params = s.split("=");
              if (params.length > 1) {
                  token = params[0];
                  value = params[1];
                  if (value.startsWith("\"") && value.endsWith("\"")) {
                      quote = true;
                      value = value.substring(1, value.length()-1);
                  }
              }
              else {
                  value = s;
              }
              return new PragmaType(token, value, quote);
          }
          throw new InvalidValueException("Can't parse Bytes Range: " + s);
      }
  
  }