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POEfficiently Map Extension string to Icon URL
 

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    <p>I have an ASP.NET web application hosted on a CMS(sharepoint 2013) that has built in search.</p> <p>When running a file query with search, the only indication of the file type is an extension string, formatted without a period <code>"PNG" or "JPG"</code></p> <p>I do not get a file back, I just get metadata describing the file. To be clear, I do not get any MIME types or file objects, I JUST get an extension string.</p> <p>I looked around the site for a question like this, and I don't see one.</p> <p>It seems like there could be some sort of method that returns a string, and takes a string input in its signature, and searches through an object collection of some type, as follows:</p> <p>FINAL RESULT:</p> <pre><code>static class FileIcons { static public string PDF = string.Format("{0}", SPContext.Current.Site.ServerRelativeUrl + "_layouts/15/monkeysphere/images/icons/pdf.png"); static public string Word = string.Format("{0}", SPContext.Current.Site.ServerRelativeUrl + "_layouts/15/monkeysphere/images/icons/word.png"); static public string Generic = string.Format("{0}", SPContext.Current.Site.ServerRelativeUrl + "_layouts/15/monkeysphere/images/icons/file.png"); static private Dictionary&lt;String, String&gt; IconUrls = new Dictionary&lt;String,String&gt;() { {"JPG", Picture},{"JPEG", Picture},{"GIF", Picture},{"PNG", Picture}, {"PDF", PDF},{"DOC", Word},{"DOCX", Word},{"XLS", Excel},{"XLSX", Excel},{"PPT", PowerPoint},{"PPTX", PowerPoint} }; static public string GetIconUrlFromExtension(string extension) { var formattedExtension = extension.Trim().Replace(".","").ToUpper(); if (string.IsNullOrEmpty(extension) || !IconUrls.ContainsKey(formattedExtension)) return Generic; return IconUrls[formattedExtension]; } } </code></pre>
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