Revision cfed7823 trunk/Pithos.Core/Agents/FileInfoExtensions.cs

b/trunk/Pithos.Core/Agents/FileInfoExtensions.cs
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using System;
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using System.Collections.Generic;
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using System.Diagnostics.Contracts;
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using System.Linq;
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using System.Text;
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using System.IO;
......
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    {
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        public static  string AsRelativeTo(this FileInfo fileInfo,string path )
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        {
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            if (String.IsNullOrWhiteSpace(path))
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                throw new ArgumentNullException("path");
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            Contract.EndContractBlock();
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            if (!path.EndsWith("\\"))


  		





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                path=path.ToLower() + "\\";


  		





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            int pathLength = path.Length;            


  		





  ......




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        public static string AsRelativeUrlTo(this FileInfo fileInfo,string path )


  		





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        {


  		





  
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            if (String.IsNullOrWhiteSpace(path))


  		





  
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                throw new ArgumentNullException("path");


  		





  
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            Contract.EndContractBlock();


  		





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            var relativePath = fileInfo.AsRelativeTo(path);


  		





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            var replacedSlashes = relativePath.Replace("\\","/");


  		





  ......




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        public static string RelativeUriToFilePath(this Uri uri)


  		





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        {


  		





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            return RelativeUrlToFilePath(uri.ToString());


  		





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        }


  		





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        public static string RelativeUrlToFilePath(this string url)


  		





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        {


  		





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            var unescaped=Uri.UnescapeDataString(url);


  		





  
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            var unescaped = Uri.UnescapeDataString(uri.ToString());


  		





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            var path = unescaped.Replace("/", "\\");


  		





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            return path;


  		





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        }


  		





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        public static int Read(this FileInfo fileInfo,byte[] buffer,int offset,int count)


  		





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        {            


  		





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            //Open the stream only long enough to read a block


  		





  ......




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        public static string CalculateHash(this FileInfo info,int blockSize,string algorithm)


  		





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        {


  		





  
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            if (info==null)


  		





  
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                throw new ArgumentNullException("info");


  		





  
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            if (String.IsNullOrWhiteSpace(info.FullName))


  		





  
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                throw new ArgumentException("info");


  		





  
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            if (blockSize<=0)


  		





  
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                throw new ArgumentOutOfRangeException("blockSize",blockSize,"blockSize must be greater than 0");


  		





  
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            if (String.IsNullOrWhiteSpace(algorithm))


  		





  
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                throw new ArgumentNullException("algorithm");


  		





  
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            Contract.EndContractBlock();


  		





  
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            if (info.Length <= blockSize)


  		





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                return Signature.CalculateMD5(info.FullName);


  		





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            else


  		












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