beagled/Lucene.Net/Util/Constants.cs

   1 /*
   2  * Copyright 2004 The Apache Software Foundation
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 using System;
  18
  19 namespace Lucene.Net.Util
  20 {
  21
  22         /// <summary> Some useful constants.
  23         ///
  24         /// </summary>
  25         /// <author>   Doug Cutting
  26         /// </author>
  27         /// <version>  $Id: Constants.cs,v 1.3 2006/10/02 17:09:10 joeshaw Exp $
  28         ///
  29         /// </version>
  30
  31         public sealed class Constants
  32         {
  33                 private Constants()
  34                 {
  35                 } // can't construct
  36
  37                 /// <summary>The value of <tt>System.getProperty("java.version")<tt>. *</summary>
  38                 public static readonly System.String JAVA_VERSION = System.Configuration.ConfigurationSettings.AppSettings.Get("java.version");     // {{Aroush-1.9}}
  39                 /// <summary>True iff this is Java version 1.1. </summary>
  40                 public static readonly bool JAVA_1_1 = JAVA_VERSION.StartsWith("1.1.");
  41                 /// <summary>True iff this is Java version 1.2. </summary>
  42                 public static readonly bool JAVA_1_2 = JAVA_VERSION.StartsWith("1.2.");
  43                 /// <summary>True iff this is Java version 1.3. </summary>
  44                 public static readonly bool JAVA_1_3 = JAVA_VERSION.StartsWith("1.3.");
  45
  46                 /// <summary>The value of <tt>System.getProperty("os.name")<tt>. *</summary>
  47                 public static readonly System.String OS_NAME = System.Environment.GetEnvironmentVariable("OS");
  48                 /// <summary>True iff running on Linux. </summary>
  49                 public static readonly bool LINUX = OS_NAME.StartsWith("Linux");
  50                 /// <summary>True iff running on Windows. </summary>
  51                 public static readonly bool WINDOWS = OS_NAME.StartsWith("Windows");
  52                 /// <summary>True iff running on SunOS. </summary>
  53                 public static readonly bool SUN_OS = OS_NAME.StartsWith("SunOS");
  54         }
  55 }