MonoRail/Castle.MonoRail.Framework/Views/FileViewSource.cs

   1 // Copyright 2004-2008 Castle Project - http://www.castleproject.org/
   2 //
   3 // Licensed under the Apache License, Version 2.0 (the "License");
   4 // you may not use this file except in compliance with the License.
   5 // You may obtain a copy of the License at
   6 //
   7 //     http://www.apache.org/licenses/LICENSE-2.0
   8 //
   9 // Unless required by applicable law or agreed to in writing, software
  10 // distributed under the License is distributed on an "AS IS" BASIS,
  11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 // See the License for the specific language governing permissions and
  13 // limitations under the License.
  14
  15 namespace Castle.MonoRail.Framework.Views
  16 {
  17         using System.IO;
  18
  19         /// <summary>
  20         /// Represents a view template source on the file system.
  21         /// </summary>
  22         public class FileViewSource : IViewSource
  23         {
  24                 private readonly FileInfo fileInfo;
  25                 private readonly bool enableCache;
  26                 private long lastUpdated;
  27
  28                 /// <summary>
  29                 /// Initializes a new instance of the <see cref="FileViewSource"/> class.
  30                 /// </summary>
  31                 /// <param name="fileInfo">The file info.</param>
  32                 /// <param name="enableCache">if set to <c>true</c> [enable cache].</param>
  33                 public FileViewSource(FileInfo fileInfo, bool enableCache)
  34                 {
  35                         this.fileInfo = fileInfo;
  36                         this.enableCache = enableCache;
  37
  38                         lastUpdated = LastModified;
  39                 }
  40
  41                 /// <summary>
  42                 /// Opens the view stream.
  43                 /// </summary>
  44                 /// <returns></returns>
  45                 public Stream OpenViewStream()
  46                 {
  47                         lastUpdated = LastModified;
  48
  49                         return fileInfo.OpenRead();
  50                 }
  51
  52                 /// <summary>
  53                 /// Gets a value indicating whether cache is enabled for it.
  54                 /// </summary>
  55                 /// <value><c>true</c> if cache is enabled for it; otherwise, <c>false</c>.</value>
  56                 public bool EnableCache
  57                 {
  58                         get { return enableCache; }
  59                 }
  60
  61                 /// <summary>
  62                 /// Gets or sets the last updated.
  63                 /// </summary>
  64                 /// <value>The last updated.</value>
  65                 public long LastUpdated
  66                 {
  67                         get { return lastUpdated; }
  68                         set { lastUpdated = value; }
  69                 }
  70
  71                 /// <summary>
  72                 /// Gets the last modified.
  73                 /// </summary>
  74                 /// <value>The last modified.</value>
  75                 public long LastModified
  76                 {
  77                         get { return File.GetLastWriteTime(fileInfo.FullName).Ticks; }
  78                 }
  79         }
  80 }