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XSLT Helper class

/ Published in: C#
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  1. using System;
  2. using System.IO;
  3. using System.Xml;
  4. using System.Xml.Xsl;
  5.  
  6. namespace [[Name Space]]
  7. {
  8.     public class [[Class Name]]
  9.     {
  10.         /// <summary>   
  11.         /// Transforms the supplied xml using the supplied xslt and returns the    
  12.         /// result of the transformation   
  13.         /// </summary>   
  14.         /// <param name="xml">The xml to be transformed</param>   
  15.         /// <param name="xslt">The xslt to transform the xml</param>   
  16.         /// <returns>The transformed xml</returns>   
  17.         public string TransformXml(string xml, string xslt)
  18.         {
  19.             // Simple data checks   
  20.             if (string.IsNullOrEmpty(xml))
  21.             {
  22.                 throw new ArgumentException("Param cannot be null or empty", "xml");
  23.             }
  24.             if (string.IsNullOrEmpty(xslt))
  25.             {
  26.                 throw new ArgumentException("Param cannot be null or empty", "xslt");
  27.             }
  28.  
  29.             // Create required readers for working with xml and xslt   
  30.             StringReader xsltInput = new StringReader(xslt);
  31.             StringReader xmlInput = new StringReader(xml);
  32.             XmlTextReader xsltReader = new XmlTextReader(xsltInput);
  33.             XmlTextReader xmlReader = new XmlTextReader(xmlInput);
  34.  
  35.             // Create required writer for output   
  36.             StringWriter stringWriter = new StringWriter();
  37.             XmlTextWriter transformedXml = new XmlTextWriter(stringWriter);
  38.  
  39.             // Create a XslCompiledTransform to perform transformation   
  40.             XslCompiledTransform xsltTransform = new XslCompiledTransform();
  41.  
  42.             try
  43.             {
  44.                 xsltTransform.Load(xsltReader, new XsltSettings(true, true), null);
  45.                 xsltTransform.Transform(xmlReader, transformedXml);
  46.             }
  47.             catch (XmlException xmlEx)
  48.             {
  49.                 // TODO : log - "Could not load XSL transform: \n\n" + xmlEx.Message   
  50.                 throw;
  51.             }
  52.             catch (XsltException xsltEx)
  53.             {
  54.                 // TODO : log - "Could not process the XSL: \n\n" + xsltEx.Message + "\nOn line " + xsltEx.LineNumber + " @ " + xsltEx.LinePosition)   
  55.                 throw;
  56.             }
  57.             catch (Exception ex)
  58.             {
  59.                 // TODO : log   
  60.                 throw;
  61.             }
  62.  
  63.             return stringWriter.ToString();
  64.         }
  65.     }
  66. }
  67.  

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