Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.Configuration/System/Configuration/ExceptionUtil.cs

@@ -0,0 +1,98 @@
+//------------------------------------------------------------------------------
+// <copyright file="ExceptionUtil.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>
+//------------------------------------------------------------------------------
+
+namespace System.Configuration {
+    using System;
+    using System.Xml;
+    using System.Configuration.Internal;
+
+    static internal class ExceptionUtil {
+        static internal ArgumentException ParameterInvalid(string parameter) {
+            return new ArgumentException(SR.GetString(SR.Parameter_Invalid, parameter), parameter);
+        }
+
+        static internal ArgumentException ParameterNullOrEmpty(string parameter) {
+            return new ArgumentException(SR.GetString(SR.Parameter_NullOrEmpty, parameter), parameter);
+        }
+
+        static internal ArgumentException PropertyInvalid(string property) {
+            return new ArgumentException(SR.GetString(SR.Property_Invalid, property), property);
+        }
+
+        static internal ArgumentException PropertyNullOrEmpty(string property) {
+            return new ArgumentException(SR.GetString(SR.Property_NullOrEmpty, property), property);
+        }
+
+        static internal InvalidOperationException UnexpectedError(string methodName) {
+            return new InvalidOperationException(SR.GetString(SR.Unexpected_Error, methodName));
+        }
+
+        static internal string NoExceptionInformation {
+            get {
+                return SR.GetString(SR.No_exception_information_available);
+            }
+        }
+
+        static internal ConfigurationErrorsException WrapAsConfigException(string outerMessage, Exception e, IConfigErrorInfo errorInfo) {
+            if (errorInfo != null) {
+                return WrapAsConfigException(outerMessage, e, errorInfo.Filename, errorInfo.LineNumber);
+            }
+            else {
+                return WrapAsConfigException(outerMessage, e, null, 0);
+            }
+        }
+
+        static internal ConfigurationErrorsException WrapAsConfigException(string outerMessage, Exception e, string filename, int line) {
+            //
+            // Preserve ConfigurationErrorsException
+            //
+            ConfigurationErrorsException ce = e as ConfigurationErrorsException;
+            if (ce != null) {
+                return ce;
+            }
+
+            //
+            // Promote deprecated ConfigurationException to ConfigurationErrorsException
+            //
+            ConfigurationException deprecatedException = e as ConfigurationException;
+            if (deprecatedException != null) {
+                return new ConfigurationErrorsException(deprecatedException);
+            }
+
+            //
+            // For XML exceptions, preserve the text of the exception in the outer message.
+            //
+            XmlException xe = e as XmlException;
+            if (xe != null) {
+                if (xe.LineNumber != 0) {
+                    line = xe.LineNumber;
+                }
+
+                return new ConfigurationErrorsException(xe.Message, xe, filename, line);
+            }
+
+            //
+            // Wrap other exceptions in an inner exception, and give as much info as possible
+            //
+            if (e != null) {
+                return new ConfigurationErrorsException(
+                        SR.GetString(SR.Wrapped_exception_message, outerMessage, e.Message),
+                        e,
+                        filename,
+                        line);
+            }
+
+            //
+            // If there is no exception, create a new exception with no further information.
+            //
+            return new ConfigurationErrorsException(
+                    SR.GetString(SR.Wrapped_exception_message, outerMessage, ExceptionUtil.NoExceptionInformation),
+                    filename,
+                    line);
+        }
+    }
+}
+