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//------------------------------------------------------------------------------
// <copyright file="Sec.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
/*
* Sec
*
* Copyright (c) 1998-1999, Microsoft Corporation
*
*/
namespace System.Web.Util {
using System.Collections.Specialized;
using System.Web.Mail;
using System.Configuration;
using System.Globalization;
internal static class ProviderUtil {
internal const int Infinite = Int32.MaxValue;
internal static void GetAndRemoveStringAttribute(NameValueCollection config, string attrib, string providerName, ref string val) {
val = config.Get(attrib);
config.Remove(attrib);
}
internal static void GetAndRemovePositiveAttribute(NameValueCollection config, string attrib, string providerName, ref int val) {
GetPositiveAttribute(config, attrib, providerName, ref val);
config.Remove(attrib);
}
internal static void GetPositiveAttribute(NameValueCollection config, string attrib, string providerName, ref int val) {
string s = config.Get(attrib);
int t;
if (s == null) {
return;
}
try {
t = Convert.ToInt32(s, CultureInfo.InvariantCulture);
}
catch (Exception e){
if (e is ArgumentException || e is FormatException || e is OverflowException) {
throw new ConfigurationErrorsException(
SR.GetString(SR.Invalid_provider_positive_attributes, attrib, providerName));
}
else {
throw;
}
}
if (t < 0) {
throw new ConfigurationErrorsException(
SR.GetString(SR.Invalid_provider_positive_attributes, attrib, providerName));
}
val = t;
}
internal static void GetAndRemovePositiveOrInfiniteAttribute(NameValueCollection config, string attrib, string providerName, ref int val) {
GetPositiveOrInfiniteAttribute(config, attrib, providerName, ref val);
config.Remove(attrib);
}
internal static void GetPositiveOrInfiniteAttribute(NameValueCollection config, string attrib, string providerName, ref int val) {
string s = config.Get(attrib);
int t;
if (s == null) {
return;
}
if (s == "Infinite") {
t = ProviderUtil.Infinite;
}
else {
try {
t = Convert.ToInt32(s, CultureInfo.InvariantCulture);
}
catch (Exception e){
if (e is ArgumentException || e is FormatException || e is OverflowException) {
throw new ConfigurationErrorsException(
SR.GetString(SR.Invalid_provider_positive_attributes, attrib, providerName));
}
else {
throw;
}
}
if (t < 0) {
throw new ConfigurationErrorsException(
SR.GetString(SR.Invalid_provider_positive_attributes, attrib, providerName));
}
}
val = t;
}
internal static void GetAndRemoveNonZeroPositiveOrInfiniteAttribute(NameValueCollection config, string attrib, string providerName, ref int val) {
GetNonZeroPositiveOrInfiniteAttribute(config, attrib, providerName, ref val);
config.Remove(attrib);
}
internal static void GetNonZeroPositiveOrInfiniteAttribute(NameValueCollection config, string attrib, string providerName, ref int val) {
string s = config.Get(attrib);
int t;
if (s == null) {
return;
}
if (s == "Infinite") {
t = ProviderUtil.Infinite;
}
else {
try {
t = Convert.ToInt32(s, CultureInfo.InvariantCulture);
}
catch (Exception e){
if (e is ArgumentException || e is FormatException || e is OverflowException) {
throw new ConfigurationErrorsException(
SR.GetString(SR.Invalid_provider_non_zero_positive_attributes, attrib, providerName));
}
else {
throw;
}
}
if (t <= 0) {
throw new ConfigurationErrorsException(
SR.GetString(SR.Invalid_provider_non_zero_positive_attributes, attrib, providerName));
}
}
val = t;
}
internal static void GetAndRemoveBooleanAttribute(NameValueCollection config, string attrib, string providerName, ref bool val) {
GetBooleanAttribute(config, attrib, providerName, ref val);
config.Remove(attrib);
}
internal static void GetBooleanAttribute(NameValueCollection config, string attrib, string providerName, ref bool val) {
string s = config.Get(attrib);
if (s == null) {
return;
}
if (s == "true") {
val = true;
}
else if (s == "false") {
val = false;
}
else {
throw new ConfigurationErrorsException(SR.GetString(SR.Invalid_provider_attribute, attrib, providerName, s));
}
}
internal static void GetAndRemoveRequiredNonEmptyStringAttribute(NameValueCollection config, string attrib, string providerName, ref string val) {
GetRequiredNonEmptyStringAttribute(config, attrib, providerName, ref val);
config.Remove(attrib);
}
internal static void GetRequiredNonEmptyStringAttribute(NameValueCollection config, string attrib, string providerName, ref string val) {
GetNonEmptyStringAttributeInternal(config, attrib, providerName, ref val, true);
}
private static void GetNonEmptyStringAttributeInternal(NameValueCollection config, string attrib, string providerName, ref string val, bool required) {
string s = config.Get(attrib);
// If it's (null and required) -OR- (empty string) we throw
if ((s == null && required) || (s.Length == 0)) {
throw new ConfigurationErrorsException(
SR.GetString(SR.Provider_missing_attribute, attrib, providerName));
}
val = s;
}
internal static void CheckUnrecognizedAttributes(NameValueCollection config, string providerName) {
if (config.Count > 0)
{
string attribUnrecognized = config.GetKey(0);
if (!String.IsNullOrEmpty(attribUnrecognized))
throw new ConfigurationErrorsException(
SR.GetString(SR.Unexpected_provider_attribute, attribUnrecognized, providerName));
}
}
}
}
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