Added example.

OnlineEditorsExample/OnlineEditorsExampleNodeJS/helpers/fileUtility.js

@@ -0,0 +1,78 @@
+var config = require("../config");
+
+var fileUtility = {}
+
+fileUtility.getFileName = function (url, withoutExtension) {
+    if (!url) return null;
+
+    var filename;
+
+    if (config.tempStorageUrl && url.indexOf(config.tempStorageUrl) == 0) {
+        var params = getUrlParams(url);
+        filename = params == null ? null : params["filename"];
+    } else {
+        var parts = url.toLowerCase().split("/");
+        fileName = parts.pop();
+    }
+    
+    if (withoutExtension) {
+        var ext = fileUtility.getFileExtension(fileName);
+        return fileName.replace(ext, "");
+    }
+
+    return fileName;
+};
+
+fileUtility.getFileExtension = function (url, withoutDot) {
+    if (!url) return null;
+
+    var fileName = fileUtility.getFileName(url);
+    
+    var parts = fileName.toLowerCase().split(".");
+
+    return withoutDot ? parts.pop() : "." + parts.pop();
+};
+
+fileUtility.getFileType = function(url)
+{
+    var ext = fileUtility.getFileExtension(url);
+    
+    if (fileUtility.documentExts.indexOf(ext) != -1) return fileUtility.fileType.text;
+    if (fileUtility.spreadsheetExts.indexOf(ext) != -1) return fileUtility.fileType.spreadsheet;
+    if (fileUtility.presentationExts.indexOf(ext) != -1) return fileUtility.fileType.presentation;
+    
+    return fileUtility.fileType.text;
+}
+
+fileUtility.fileType = {
+    text: "text",
+    spreadsheet: "spreadsheet",
+    presentation: "presentation"
+}
+
+fileUtility.documentExts = [".docx", ".doc", ".odt", ".rtf", ".txt",".html", ".htm", ".mht", ".pdf", ".djvu",".fb2", ".epub", ".xps"];
+
+fileUtility.spreadsheetExts = [".xls", ".xlsx", ".ods", ".csv"];
+
+fileUtility.presentationExts = [".ppt", ".pptx", ".odp"];
+
+function getUrlParams(url)
+{
+    try {
+        var query = url.split("?").pop();
+        var params = query.split("&");
+        var map = {};
+        for (var i = 0; i < params.length; i++)  
+        {  
+            var parts = param.split("=");  
+            map[parts[0]] = parts[1];  
+        }
+        return map;
+    }
+    catch (ex)
+    {
+        return null;
+    }
+}
+
+module.exports = fileUtility;