move the scheduler to a windows service

WebsitePanel/Sources/WebsitePanel.EnterpriseServer.Code/Common/Utils.cs

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+// Copyright (c) 2012, Outercurve Foundation.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without modification,
+// are permitted provided that the following conditions are met:
+//
+// - Redistributions of source code must  retain  the  above copyright notice, this
+//   list of conditions and the following disclaimer.
+//
+// - Redistributions in binary form  must  reproduce the  above  copyright  notice,
+//   this list of conditions  and  the  following  disclaimer in  the documentation
+//   and/or other materials provided with the distribution.
+//
+// - Neither  the  name  of  the  Outercurve Foundation  nor   the   names  of  its
+//   contributors may be used to endorse or  promote  products  derived  from  this
+//   software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,  BUT  NOT  LIMITED TO, THE IMPLIED
+// WARRANTIES  OF  MERCHANTABILITY   AND  FITNESS  FOR  A  PARTICULAR  PURPOSE  ARE
+// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+// ANY DIRECT, INDIRECT, INCIDENTAL,  SPECIAL,  EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+// (INCLUDING, BUT NOT LIMITED TO,  PROCUREMENT  OF  SUBSTITUTE  GOODS OR SERVICES;
+// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)  HOWEVER  CAUSED AND ON
+// ANY  THEORY  OF  LIABILITY,  WHETHER  IN  CONTRACT,  STRICT  LIABILITY,  OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE)  ARISING  IN  ANY WAY OUT OF THE USE OF THIS
+// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+using System;
+using System.IO;
+using System.Data;
+using System.Collections;
+using System.Web;
+using System.Reflection;
+using System.Text;
+using System.Globalization;
+using System.Security.Cryptography;
+using System.Text.RegularExpressions;
+
+namespace WebsitePanel.EnterpriseServer
+{
+    /// <summary>
+    /// Summary description for Utils.
+    /// </summary>
+    public class Utils
+    {
+        public static int ParseInt(string val, int defaultValue)
+        {
+            int result = defaultValue;
+            try { result = Int32.Parse(val); }
+            catch { /* do nothing */ }
+            return result;
+        }
+
+
+        public static bool ParseBool(object val, bool defaultValue)
+        {
+            bool result = defaultValue;
+            try { result = Boolean.Parse(val.ToString()); }
+            catch { /* do nothing */ }
+            return result;
+        }
+
+
+        public static bool ParseBool(string val, bool defaultValue)
+        {
+            bool result = defaultValue;
+            try { result = Boolean.Parse(val); }
+            catch { /* do nothing */ }
+            return result;
+        }
+
+        public static decimal ParseDecimal(string val, decimal defaultValue)
+        {
+            decimal result = defaultValue;
+            try { result = Decimal.Parse(val); }
+            catch { /* do nothing */ }
+            return result;
+        }
+
+        public static string[] ParseDelimitedString(string str, params char[] delimiter)
+        {
+			if (String.IsNullOrEmpty(str))
+				return new string[] { };
+
+            string[] parts = str.Split(delimiter);
+            ArrayList list = new ArrayList();
+            foreach (string part in parts)
+                if (part.Trim() != "" && !list.Contains(part.Trim()))
+                    list.Add(part);
+            return (string[])list.ToArray(typeof(string));
+        }
+
+
+        public static string ReplaceStringVariable(string str, string variable, string value)
+        {
+            return ReplaceStringVariable(str, variable, value, false);
+        }
+
+        public static string ReplaceStringVariable(string str, string variable, string value, bool allowEmptyValue)
+        {
+            if (allowEmptyValue)
+            {
+                if (String.IsNullOrEmpty(str)) return str;
+            }
+            else
+            {
+                if (String.IsNullOrEmpty(str) || String.IsNullOrEmpty(value))
+                    return str;
+            }
+
+            Regex re = new Regex("\\[" + variable + "\\]+", RegexOptions.IgnoreCase);
+            return re.Replace(str, value);
+        }
+
+		public static string CleanIdentifier(string str)
+		{
+			if (String.IsNullOrEmpty(str))
+				return str;
+
+			return Regex.Replace(str, "\\W", "_");
+		}
+
+        public static string GetRandomHexString(int length)
+        {
+            byte[] buf = new byte[length];
+            RNGCryptoServiceProvider rng = new RNGCryptoServiceProvider();
+            rng.GetBytes(buf);
+
+            StringBuilder sb = new StringBuilder();
+            for(int i = 0; i < length; i++)
+                sb.AppendFormat("{0:X2}", buf[i]);
+
+            return sb.ToString();
+        }
+
+        public static string GetRandomString(int length)
+        {
+            string ptrn = "abcdefghjklmnpqrstwxyzABCDEFGHJKLMNPQRSTWXYZ0123456789";
+            StringBuilder sb = new StringBuilder();
+
+            byte[] randomBytes = new byte[4];
+            RNGCryptoServiceProvider rng = new RNGCryptoServiceProvider();
+            rng.GetBytes(randomBytes);
+
+            // Convert 4 bytes into a 32-bit integer value.
+            int seed = (randomBytes[0] & 0x7f) << 24 |
+                        randomBytes[1]         << 16 |
+                        randomBytes[2]         <<  8 |
+                        randomBytes[3];
+
+
+            Random rnd = new Random(seed);
+
+            for (int i = 0; i < length; i++)
+                sb.Append(ptrn[rnd.Next(ptrn.Length - 1)]);
+
+            return sb.ToString();
+        }
+
+        public static DateTime ParseDate(object value)
+        {
+            try
+            {
+                return (DateTime) value;
+            }
+            catch(Exception )
+            {
+                return DateTime.MinValue;
+            }
+        }
+    }
+}