prabirshrestha · July 27, 2010 07:25 · Feb 18, 2010 · Feb 18, 2010 · Feb 18, 2010 · Sep 7, 2009
diff --git a/YuiCompressor.ashx.cs b/YuiCompressor.ashx.cs
@@ -91,7 +91,7 @@ public void ProcessRequest(HttpContext context)
 		if (ENABLEHTTPCOMPRESSION) 
 		{
 			string encodingsAccepted = context.Request.Headers("Accept-Encoding");
-			if (!(String.IsNullOrEmpty(encodingsAccepted)))
+			if (! string.IsNullOrEmpty(encodingsAccepted))
 			{
 				encodingsAccepted = encodingsAccepted.ToLowerInvariant();
 				if (encodingsAccepted.Contains("deflate")) 

diff --git a/Readme.txt b/Readme.txt
@@ -3,4 +3,7 @@ Example usage:
 <link rel="stylesheet" type="text/css" href="/YuiCompressor.ashx?css=reset,style" />
 
 ...just before the </body>:
-<script type="text/javascript" src="/YuiCompressor.ashx?js=main,someotherscript"></script>
+<script type="text/javascript" src="/YuiCompressor.ashx?js=main,someotherscript"></script>
+
+Changelog:
+2010-02-18: Updated to support HTTP compression
diff --git a/YuiCompressor.ashx.cs b/YuiCompressor.ashx.cs
@@ -6,33 +6,41 @@
 public class YuiCompressor : IHttpHandler
 {
 	public const char DELIMITER = ',';
-
+	public const bool ENABLEHTTPCOMPRESSION = true;
+	public TimeSpan CacheDuration = TimeSpan.FromDays(1);
+
 	public class ContentTypes
 	{
 		public const string CSS = "text/css";
 		public const string JS = "application/x-javascript";
+		public const string ERROR = "text/plain";
 	}
-
-	public class Extensions
-	{
-		public const string CSS = ".css";
-		public const string JS = ".js";
-	}
-
+
 	public class Folders
 	{
 		// customize these to your site's paths
 		public const string CSS = "~/styles/";
 		public const string JS = "~/scripts/";
 	}
-
+
+	public class Extensions
+	{
+		public const string CSS = ".css";
+		public const string JS = ".js";
+	}
+
 	public void ProcessRequest(HttpContext context)
 	{
 		context.Response.ContentEncoding = System.Text.Encoding.Default;
+
+		context.Response.Cache.SetExpires(DateTime.Now.Add(CacheDuration));
+		context.Response.Cache.SetMaxAge(CacheDuration);
+		context.Response.Cache.SetCacheability(HttpCacheability.Private);
+
 		string cssFiles = context.Request.QueryString["css"];
 		string jsFiles = context.Request.QueryString["js"];
 		string fileName = context.Request.QueryString["f"];
-    
+		
 		if (! string.IsNullOrEmpty(cssFiles))
 		{
 			// A list of CSS files has been passed in, write each file's contents to the response object
@@ -68,23 +76,46 @@ public void ProcessRequest(HttpContext context)
 			{
 				// 500?
 				//Throw New System.IO.FileNotFoundException("The file specified isn't an allowed type.", fileName)
+				context.Response.ContentType = ContentTypes.ERROR;
 			}
 		}
 		else
 		{
 			// 404?
 			//Throw New System.IO.FileNotFoundException("A filename hasn't been specified.")
+			context.Response.ContentType = ContentTypes.ERROR;
+			context.Response.Write(Environment.NewLine);
+		}
+
+		// compress output if enabled
+		if (ENABLEHTTPCOMPRESSION) 
+		{
+			string encodingsAccepted = context.Request.Headers("Accept-Encoding");
+			if (!(String.IsNullOrEmpty(encodingsAccepted)))
+			{
+				encodingsAccepted = encodingsAccepted.ToLowerInvariant();
+				if (encodingsAccepted.Contains("deflate")) 
+				{
+					context.Response.AppendHeader("Content-Encoding", "deflate");
+					context.Response.Filter = New System.IO.Compression.DeflateStream(context.Response.Filter, System.IO.Compression.CompressionMode.Compress);
+				}
+				else if (encodingsAccepted.Contains("gzip")) 
+				{
+					context.Response.AppendHeader("Content-Encoding", "gzip");
+					context.Response.Filter = New System.IO.Compression.GZipStream(context.Response.Filter, System.IO.Compression.CompressionMode.Compress);
+				}
+			}
 		}
 	}
-
+	
 	public bool IsReusable
 	{
 		get
 		{
 			return false;
 		}
 	}
-
+	
 	public void WriteCompressedFile(HttpContext context, string fileName, string folder) 
 	{
 		// Add each file's compressed contents to the cache as it is read with a file dependency on itself

diff --git a/YuiCompressor.ashx.vb b/YuiCompressor.ashx.vb
@@ -6,9 +6,9 @@ Imports Yahoo.Yui.Compressor
 
 Public Class YuiCompressor : Implements IHttpHandler
     Public Const Delimiter As String = ","
-    'TODO: update C# version with http compression ability
     Public Const EnableHttpCompression As Boolean = True
-
+    Public cacheDuration As TimeSpan = TimeSpan.FromDays(1)
+
     Public Class ContentTypes
         Public Const Css As String = "text/css"
         Public Const Js As String = "application/x-javascript"
@@ -28,8 +28,6 @@ Public Class YuiCompressor : Implements IHttpHandler
     Public Sub ProcessRequest(ByVal context As HttpContext) Implements IHttpHandler.ProcessRequest
         context.Response.ContentEncoding = Encoding.Default
 
-        'TODO: update C# version with extra cache params
-        Dim cacheDuration As TimeSpan = TimeSpan.FromDays(1)
         context.Response.Cache.SetExpires(DateTime.Now.Add(cacheDuration))
         context.Response.Cache.SetMaxAge(cacheDuration)
         context.Response.Cache.SetCacheability(HttpCacheability.Private)
@@ -70,7 +68,6 @@ Public Class YuiCompressor : Implements IHttpHandler
             context.Response.Write(Environment.NewLine)
         End If
 
-        'TODO: update C# version with http compression
         ' compress output if enabled
         If EnableHttpCompression Then
             Dim encodingsAccepted As String = context.Request.Headers("Accept-Encoding")

diff --git a/YuiCompressor.ashx.vb b/YuiCompressor.ashx.vb
@@ -6,10 +6,13 @@ Imports Yahoo.Yui.Compressor
 
 Public Class YuiCompressor : Implements IHttpHandler
     Public Const Delimiter As String = ","
-
+    'TODO: update C# version with http compression ability
+    Public Const EnableHttpCompression As Boolean = True
+
     Public Class ContentTypes
         Public Const Css As String = "text/css"
         Public Const Js As String = "application/x-javascript"
+        Public Const Err As String = "text/plain"
     End Class
 
     Public Class Folders
@@ -24,6 +27,13 @@ Public Class YuiCompressor : Implements IHttpHandler
 
     Public Sub ProcessRequest(ByVal context As HttpContext) Implements IHttpHandler.ProcessRequest
         context.Response.ContentEncoding = Encoding.Default
+
+        'TODO: update C# version with extra cache params
+        Dim cacheDuration As TimeSpan = TimeSpan.FromDays(1)
+        context.Response.Cache.SetExpires(DateTime.Now.Add(cacheDuration))
+        context.Response.Cache.SetMaxAge(cacheDuration)
+        context.Response.Cache.SetCacheability(HttpCacheability.Private)
+
         Dim cssFiles As String = context.Request.QueryString("css")
         Dim jsFiles As String = context.Request.QueryString("js")
         Dim fileName As String = context.Request.QueryString("f")
@@ -51,10 +61,29 @@ Public Class YuiCompressor : Implements IHttpHandler
             Else
                 ' 500?
                 'Throw New System.IO.FileNotFoundException("The file specified isn't an allowed type.", fileName)
+                context.Response.ContentType = ContentTypes.Err
             End If
         Else
             ' 404?
             'Throw New System.IO.FileNotFoundException("A filename hasn't been specified.")
+            context.Response.ContentType = ContentTypes.Err
+            context.Response.Write(Environment.NewLine)
+        End If
+
+        'TODO: update C# version with http compression
+        ' compress output if enabled
+        If EnableHttpCompression Then
+            Dim encodingsAccepted As String = context.Request.Headers("Accept-Encoding")
+            If Not (String.IsNullOrEmpty(encodingsAccepted)) Then
+                encodingsAccepted = encodingsAccepted.ToLowerInvariant()
+                If (encodingsAccepted.Contains("deflate")) Then
+                    context.Response.AppendHeader("Content-Encoding", "deflate")
+                    context.Response.Filter = New System.IO.Compression.DeflateStream(context.Response.Filter, System.IO.Compression.CompressionMode.Compress)
+                ElseIf (encodingsAccepted.Contains("gzip")) Then
+                    context.Response.AppendHeader("Content-Encoding", "gzip")
+                    context.Response.Filter = New System.IO.Compression.GZipStream(context.Response.Filter, System.IO.Compression.CompressionMode.Compress)
+                End If
+            End If
         End If
     End Sub
 
@@ -66,24 +95,25 @@ Public Class YuiCompressor : Implements IHttpHandler
 
     Public Sub WriteCompressedFile(ByVal context As HttpContext, ByVal fileName As String, ByVal folder As String)
         ' Add each file's compressed contents to the cache as it is read with a file dependency on itself
+        Dim output As String = String.Empty
         If context.Cache(fileName) Is Nothing Then
             Dim filePath As String = HttpContext.Current.Server.MapPath(folder & fileName)
-            Dim output As String = String.Empty
             Try
                 output = System.IO.File.ReadAllText(filePath)
                 If folder = Folders.Js Then
                     output = JavaScriptCompressor.Compress(output) & vbCrLf
                 Else
                     output = CssCompressor.Compress(output) & vbCrLf
                 End If
-                context.Response.Write(output)
                 context.Cache.Insert(fileName, output, New CacheDependency(filePath))
             Catch fnf As System.IO.FileNotFoundException
                 ' throw 404?
             End Try
         Else
-            context.Response.Write(DirectCast(HttpContext.Current.Cache(fileName), String))
+            output = DirectCast(HttpContext.Current.Cache(fileName), String)
         End If
+
+        context.Response.Write(output)
     End Sub
 
 End Class
diff --git a/Readme.txt b/Readme.txt
@@ -3,5 +3,4 @@ Example usage:
 <link rel="stylesheet" type="text/css" href="/YuiCompressor.ashx?css=reset,style" />
 
 ...just before the </body>:
-<script type="text/javascript" src="/YuiCompressor.ashx?js=main,someotherscript"></script>
-
+<script type="text/javascript" src="/YuiCompressor.ashx?js=main,someotherscript"></script>
diff --git a/YuiCompressor.ashx.cs b/YuiCompressor.ashx.cs
@@ -116,5 +116,4 @@ public void WriteCompressedFile(HttpContext context, string fileName, string fol
 			context.Response.Write((string) context.Cache[fileName]);
 		}
 	}
-}
-
+}
diff --git a/LICENSE.TXT b/LICENSE.TXT
@@ -1 +0,0 @@
-License: If you use this code, you owe me a beer. :-)

diff --git a/gistfile4.txt → Readme.txt b/gistfile4.txt → Readme.txt
diff --git a/LICENSE.TXT b/LICENSE.TXT
@@ -0,0 +1 @@
+License: If you use this code, you owe me a beer. :-)
diff --git a/gistfile3.txt → gistfile4.txt b/gistfile3.txt → gistfile4.txt
diff --git a/YuiCompressor.ashx.vb b/YuiCompressor.ashx.vb
@@ -0,0 +1,89 @@
+'<%@ WebHandler Language="VB" Class="YuiCompressor" %>
+
+Imports System
+Imports System.Web
+Imports Yahoo.Yui.Compressor
+
+Public Class YuiCompressor : Implements IHttpHandler
+    Public Const Delimiter As String = ","
+
+    Public Class ContentTypes
+        Public Const Css As String = "text/css"
+        Public Const Js As String = "application/x-javascript"
+    End Class
+
+    Public Class Folders
+        Public Const Css As String = "~/styles/"
+        Public Const Js As String = "~/scripts/"
+    End Class
+
+    Public Class Extensions
+        Public Const Css As String = ".css"
+        Public Const Js As String = ".js"
+    End Class    
+
+    Public Sub ProcessRequest(ByVal context As HttpContext) Implements IHttpHandler.ProcessRequest
+        context.Response.ContentEncoding = Encoding.Default
+        Dim cssFiles As String = context.Request.QueryString("css")
+        Dim jsFiles As String = context.Request.QueryString("js")
+        Dim fileName As String = context.Request.QueryString("f")
+
+        If Not String.IsNullOrEmpty(cssFiles) Then
+            ' A list of CSS files has been passed in, write each file's contents to the response object
+            context.Response.ContentType = ContentTypes.Css
+            For Each cssFile As String In cssFiles.Split(Delimiter)
+                WriteCompressedFile(context, cssFile & Extensions.Css, Folders.Css)
+            Next
+        ElseIf Not String.IsNullOrEmpty(jsFiles) Then
+            ' A list of JS files has been passed in, write each file's contents to the response object
+            context.Response.ContentType = ContentTypes.Js
+            For Each jsFile As String In jsFiles.Split(Delimiter)
+                WriteCompressedFile(context, jsFile & Extensions.Js, Folders.Js)
+            Next
+        ElseIf Not String.IsNullOrEmpty(fileName) Then
+            ' A specific file has been passed in, write that file's contents to the response object
+            If fileName.EndsWith(Extensions.Js) Then
+                context.Response.ContentType = ContentTypes.Js
+                WriteCompressedFile(context, fileName, Folders.Js)
+            ElseIf fileName.EndsWith(Extensions.Css) Then
+                context.Response.ContentType = ContentTypes.Css
+                WriteCompressedFile(context, fileName, Folders.Css)
+            Else
+                ' 500?
+                'Throw New System.IO.FileNotFoundException("The file specified isn't an allowed type.", fileName)
+            End If
+        Else
+            ' 404?
+            'Throw New System.IO.FileNotFoundException("A filename hasn't been specified.")
+        End If
+    End Sub
+
+    Public ReadOnly Property IsReusable() As Boolean Implements IHttpHandler.IsReusable
+        Get
+            Return False
+        End Get
+    End Property
+
+    Public Sub WriteCompressedFile(ByVal context As HttpContext, ByVal fileName As String, ByVal folder As String)
+        ' Add each file's compressed contents to the cache as it is read with a file dependency on itself
+        If context.Cache(fileName) Is Nothing Then
+            Dim filePath As String = HttpContext.Current.Server.MapPath(folder & fileName)
+            Dim output As String = String.Empty
+            Try
+                output = System.IO.File.ReadAllText(filePath)
+                If folder = Folders.Js Then
+                    output = JavaScriptCompressor.Compress(output) & vbCrLf
+                Else
+                    output = CssCompressor.Compress(output) & vbCrLf
+                End If
+                context.Response.Write(output)
+                context.Cache.Insert(fileName, output, New CacheDependency(filePath))
+            Catch fnf As System.IO.FileNotFoundException
+                ' throw 404?
+            End Try
+        Else
+            context.Response.Write(DirectCast(HttpContext.Current.Cache(fileName), String))
+        End If
+    End Sub
+
+End Class
diff --git a/gistfile3.txt b/gistfile3.txt
@@ -0,0 +1,7 @@
+Example usage:
+...in <head>:
+<link rel="stylesheet" type="text/css" href="/YuiCompressor.ashx?css=reset,style" />
+
+...just before the </body>:
+<script type="text/javascript" src="/YuiCompressor.ashx?js=main,someotherscript"></script>
+
diff --git a/YuiCompressor.ashx.cs b/YuiCompressor.ashx.cs
@@ -21,7 +21,8 @@ public class Extensions
 
 	public class Folders
 	{
-		public const string CSS = "~/themes/travis/";
+		// customize these to your site's paths
+		public const string CSS = "~/styles/";
 		public const string JS = "~/scripts/";
 	}
 

diff --git a/YuiCompressor.ashx b/YuiCompressor.ashx
@@ -0,0 +1 @@
+<%@ WebHandler Language="C#" CodeBehind="YuiCompressor.ashx.cs" Class="YuiCompressor" %>
diff --git a/YuiCompressor.ashx.cs b/YuiCompressor.ashx.cs
@@ -0,0 +1,119 @@
+using System;
+using System.Collections.Generic;
+using System.Web;
+using Yahoo.Yui.Compressor;
+
+public class YuiCompressor : IHttpHandler
+{
+	public const char DELIMITER = ',';
+
+	public class ContentTypes
+	{
+		public const string CSS = "text/css";
+		public const string JS = "application/x-javascript";
+	}
+
+	public class Extensions
+	{
+		public const string CSS = ".css";
+		public const string JS = ".js";
+	}
+
+	public class Folders
+	{
+		public const string CSS = "~/themes/travis/";
+		public const string JS = "~/scripts/";
+	}
+
+	public void ProcessRequest(HttpContext context)
+	{
+		context.Response.ContentEncoding = System.Text.Encoding.Default;
+		string cssFiles = context.Request.QueryString["css"];
+		string jsFiles = context.Request.QueryString["js"];
+		string fileName = context.Request.QueryString["f"];
+
+		if (! string.IsNullOrEmpty(cssFiles))
+		{
+			// A list of CSS files has been passed in, write each file's contents to the response object
+			context.Response.ContentType = ContentTypes.CSS;
+			foreach (string cssFile in cssFiles.Split(DELIMITER))
+			{
+				WriteCompressedFile(context, cssFile + Extensions.CSS, Folders.CSS);
+			}
+		} 
+		else if (! string.IsNullOrEmpty(jsFiles)) 
+		{
+			// A list of JS files has been passed in, write each file's contents to the response object
+			context.Response.ContentType = ContentTypes.JS;
+			foreach (string jsFile in jsFiles.Split(DELIMITER))
+			{
+				WriteCompressedFile(context, jsFile + Extensions.JS, Folders.JS);
+			}
+		}
+		else if (! string.IsNullOrEmpty(fileName))
+		{
+			// A specific file has been passed in, write that file's contents to the response object
+			if (fileName.EndsWith(Extensions.JS))
+			{
+				context.Response.ContentType = ContentTypes.JS;
+				WriteCompressedFile(context, fileName, Folders.JS);
+			}
+			else if (fileName.EndsWith(Extensions.CSS))
+			{
+				context.Response.ContentType = ContentTypes.CSS;
+				WriteCompressedFile(context, fileName, Folders.CSS);
+			}
+			else
+			{
+				// 500?
+				//Throw New System.IO.FileNotFoundException("The file specified isn't an allowed type.", fileName)
+			}
+		}
+		else
+		{
+			// 404?
+			//Throw New System.IO.FileNotFoundException("A filename hasn't been specified.")
+		}
+	}
+
+	public bool IsReusable
+	{
+		get
+		{
+			return false;
+		}
+	}
+
+	public void WriteCompressedFile(HttpContext context, string fileName, string folder) 
+	{
+		// Add each file's compressed contents to the cache as it is read with a file dependency on itself
+		if (context.Cache[fileName] == null)
+		{
+			string filePath = HttpContext.Current.Server.MapPath(folder + fileName);
+			string output = string.Empty;
+			try
+			{
+				output = System.IO.File.ReadAllText(filePath);
+				if (folder == Folders.JS)
+				{
+					output = JavaScriptCompressor.Compress(output) + Environment.NewLine;
+				}
+				else
+				{
+					output = CssCompressor.Compress(output) + Environment.NewLine;
+				}
+				context.Response.Write(output);
+				context.Cache.Insert(fileName, output, new System.Web.Caching.CacheDependency(filePath));
+			}
+			catch (System.IO.FileNotFoundException)
+			{
+				// throw 404?
+			}
+		}
+		else
+		{
+			context.Response.Write((string) context.Cache[fileName]);
+		}
+	}
+}
+
Original file line number	Diff line number	Diff line change
		@@ -1 +0,0 @@
		License: If you use this code, you owe me a beer. :-)
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		License: If you use this code, you owe me a beer. :-)
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		<%@ WebHandler Language="C#" CodeBehind="YuiCompressor.ashx.cs" Class="YuiCompressor" %>