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MVC Basic Site: Step 2 - Exceptions Management

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25 Oct 2013Ms-PL16 min read 145.6K   5.4K   135  
This second article from the "MVC Basic Site" series presents in details the exceptions management rules and their implementation for an ASP.NET MVC web site, and provides some utile base classes and source code for Logging and Exceptions Management that can be reused.
 
//----------------------------------------------------------
// Copyright (C) Microsoft Corporation. All rights reserved.
//----------------------------------------------------------
// MicrosoftMvcValidation.js

Type.registerNamespace('Sys.Mvc');Sys.Mvc.$create_Validation=function(){return {};}
Sys.Mvc.$create_JsonValidationField=function(){return {};}
Sys.Mvc.$create_JsonValidationOptions=function(){return {};}
Sys.Mvc.$create_JsonValidationRule=function(){return {};}
Sys.Mvc.$create_ValidationContext=function(){return {};}
Sys.Mvc.NumberValidator=function(){}
Sys.Mvc.NumberValidator.create=function(rule){return Function.createDelegate(new Sys.Mvc.NumberValidator(),new Sys.Mvc.NumberValidator().validate);}
Sys.Mvc.NumberValidator.prototype={validate:function(value,context){if(Sys.Mvc._ValidationUtil.$1(value)){return true;}var $0=Number.parseLocale(value);return (!isNaN($0));}}
Sys.Mvc.FormContext=function(formElement,validationSummaryElement){this.$5=[];this.fields=new Array(0);this.$9=formElement;this.$7=validationSummaryElement;formElement['__MVC_FormValidation'] = this;if(validationSummaryElement){var $0=validationSummaryElement.getElementsByTagName('ul');if($0.length>0){this.$8=$0[0];}}this.$3=Function.createDelegate(this,this.$D);this.$4=Function.createDelegate(this,this.$E);}
Sys.Mvc.FormContext._Application_Load=function(){var $0=window.mvcClientValidationMetadata;if($0){while($0.length>0){var $1=$0.pop();Sys.Mvc.FormContext.$12($1);}}}
Sys.Mvc.FormContext.$F=function($p0,$p1){var $0=[];var $1=document.getElementsByName($p1);for(var $2=0;$2<$1.length;$2++){var $3=$1[$2];if(Sys.Mvc.FormContext.$10($p0,$3)){Array.add($0,$3);}}return $0;}
Sys.Mvc.FormContext.getValidationForForm=function(formElement){return formElement['__MVC_FormValidation'];}
Sys.Mvc.FormContext.$10=function($p0,$p1){while($p1){if($p0===$p1){return true;}$p1=$p1.parentNode;}return false;}
Sys.Mvc.FormContext.$12=function($p0){var $0=$get($p0.FormId);var $1=(!Sys.Mvc._ValidationUtil.$1($p0.ValidationSummaryId))?$get($p0.ValidationSummaryId):null;var $2=new Sys.Mvc.FormContext($0,$1);$2.enableDynamicValidation();$2.replaceValidationSummary=$p0.ReplaceValidationSummary;for(var $4=0;$4<$p0.Fields.length;$4++){var $5=$p0.Fields[$4];var $6=Sys.Mvc.FormContext.$F($0,$5.FieldName);var $7=(!Sys.Mvc._ValidationUtil.$1($5.ValidationMessageId))?$get($5.ValidationMessageId):null;var $8=new Sys.Mvc.FieldContext($2);Array.addRange($8.elements,$6);$8.validationMessageElement=$7;$8.replaceValidationMessageContents=$5.ReplaceValidationMessageContents;for(var $9=0;$9<$5.ValidationRules.length;$9++){var $A=$5.ValidationRules[$9];var $B=Sys.Mvc.ValidatorRegistry.getValidator($A);if($B){var $C=Sys.Mvc.$create_Validation();$C.fieldErrorMessage=$A.ErrorMessage;$C.validator=$B;Array.add($8.validations,$C);}}$8.enableDynamicValidation();Array.add($2.fields,$8);}var $3=$0.validationCallbacks;if(!$3){$3=[];$0.validationCallbacks = $3;}$3.push(Function.createDelegate(null,function(){
return Sys.Mvc._ValidationUtil.$0($2.validate('submit'));}));return $2;}
Sys.Mvc.FormContext.prototype={$3:null,$4:null,$6:null,$7:null,$8:null,$9:null,replaceValidationSummary:false,addError:function(message){this.addErrors([message]);},addErrors:function(messages){if(!Sys.Mvc._ValidationUtil.$0(messages)){Array.addRange(this.$5,messages);this.$11();}},clearErrors:function(){Array.clear(this.$5);this.$11();},$A:function(){if(this.$7){if(this.$8){Sys.Mvc._ValidationUtil.$3(this.$8);for(var $0=0;$0<this.$5.length;$0++){var $1=document.createElement('li');Sys.Mvc._ValidationUtil.$4($1,this.$5[$0]);this.$8.appendChild($1);}}Sys.UI.DomElement.removeCssClass(this.$7,'validation-summary-valid');Sys.UI.DomElement.addCssClass(this.$7,'validation-summary-errors');}},$B:function(){var $0=this.$7;if($0){var $1=this.$8;if($1){$1.innerHTML='';}Sys.UI.DomElement.removeCssClass($0,'validation-summary-errors');Sys.UI.DomElement.addCssClass($0,'validation-summary-valid');}},enableDynamicValidation:function(){Sys.UI.DomEvent.addHandler(this.$9,'click',this.$3);Sys.UI.DomEvent.addHandler(this.$9,'submit',this.$4);},$C:function($p0){if($p0.disabled){return null;}var $0=$p0.tagName.toUpperCase();var $1=$p0;if($0==='INPUT'){var $2=$1.type;if($2==='submit'||$2==='image'){return $1;}}else if(($0==='BUTTON')&&($1.type==='submit')){return $1;}return null;},$D:function($p0){this.$6=this.$C($p0.target);},$E:function($p0){var $0=$p0.target;var $1=this.$6;if($1&&$1.disableValidation){return;}var $2=this.validate('submit');if(!Sys.Mvc._ValidationUtil.$0($2)){$p0.preventDefault();}},$11:function(){if(!this.$5.length){this.$B();}else{this.$A();}},validate:function(eventName){var $0=this.fields;var $1=[];for(var $2=0;$2<$0.length;$2++){var $3=$0[$2];if(!$3.elements[0].disabled){var $4=$3.validate(eventName);if($4){Array.addRange($1,$4);}}}if(this.replaceValidationSummary){this.clearErrors();this.addErrors($1);}return $1;}}
Sys.Mvc.FieldContext=function(formContext){this.$A=[];this.elements=new Array(0);this.validations=new Array(0);this.formContext=formContext;this.$6=Function.createDelegate(this,this.$D);this.$7=Function.createDelegate(this,this.$E);this.$8=Function.createDelegate(this,this.$F);this.$9=Function.createDelegate(this,this.$10);}
Sys.Mvc.FieldContext.prototype={$6:null,$7:null,$8:null,$9:null,defaultErrorMessage:null,formContext:null,replaceValidationMessageContents:false,validationMessageElement:null,addError:function(message){this.addErrors([message]);},addErrors:function(messages){if(!Sys.Mvc._ValidationUtil.$0(messages)){Array.addRange(this.$A,messages);this.$14();}},clearErrors:function(){Array.clear(this.$A);this.$14();},$B:function(){var $0=this.validationMessageElement;if($0){if(this.replaceValidationMessageContents){Sys.Mvc._ValidationUtil.$4($0,this.$A[0]);}Sys.UI.DomElement.removeCssClass($0,'field-validation-valid');Sys.UI.DomElement.addCssClass($0,'field-validation-error');}var $1=this.elements;for(var $2=0;$2<$1.length;$2++){var $3=$1[$2];Sys.UI.DomElement.removeCssClass($3,'input-validation-valid');Sys.UI.DomElement.addCssClass($3,'input-validation-error');}},$C:function(){var $0=this.validationMessageElement;if($0){if(this.replaceValidationMessageContents){Sys.Mvc._ValidationUtil.$4($0,'');}Sys.UI.DomElement.removeCssClass($0,'field-validation-error');Sys.UI.DomElement.addCssClass($0,'field-validation-valid');}var $1=this.elements;for(var $2=0;$2<$1.length;$2++){var $3=$1[$2];Sys.UI.DomElement.removeCssClass($3,'input-validation-error');Sys.UI.DomElement.addCssClass($3,'input-validation-valid');}},$D:function($p0){if($p0.target['__MVC_HasTextChanged']||$p0.target['__MVC_HasValidationFired']){this.validate('blur');}},$E:function($p0){$p0.target['__MVC_HasTextChanged'] = true;},$F:function($p0){$p0.target['__MVC_HasTextChanged'] = true;if($p0.target['__MVC_HasValidationFired']){this.validate('input');}},$10:function($p0){if($p0.rawEvent.propertyName==='value'){$p0.target['__MVC_HasTextChanged'] = true;if($p0.target['__MVC_HasValidationFired']){this.validate('input');}}},enableDynamicValidation:function(){var $0=this.elements;for(var $1=0;$1<$0.length;$1++){var $2=$0[$1];if(Sys.Mvc._ValidationUtil.$2($2,'onpropertychange')){var $3=document.documentMode;if($3&&$3>=8){Sys.UI.DomEvent.addHandler($2,'propertychange',this.$9);}}else{Sys.UI.DomEvent.addHandler($2,'input',this.$8);}Sys.UI.DomEvent.addHandler($2,'change',this.$7);Sys.UI.DomEvent.addHandler($2,'blur',this.$6);}},$11:function($p0,$p1){var $0=$p1||this.defaultErrorMessage;if(Boolean.isInstanceOfType($p0)){return ($p0)?null:$0;}if(String.isInstanceOfType($p0)){return (($p0).length)?$p0:$0;}return null;},$12:function(){var $0=this.elements;return ($0.length>0)?$0[0].value:null;},$13:function(){var $0=this.elements;for(var $1=0;$1<$0.length;$1++){var $2=$0[$1];$2['__MVC_HasValidationFired'] = true;}},$14:function(){if(!this.$A.length){this.$C();}else{this.$B();}},validate:function(eventName){var $0=this.validations;var $1=[];var $2=this.$12();for(var $3=0;$3<$0.length;$3++){var $4=$0[$3];var $5=Sys.Mvc.$create_ValidationContext();$5.eventName=eventName;$5.fieldContext=this;$5.validation=$4;var $6=$4.validator($2,$5);var $7=this.$11($6,$4.fieldErrorMessage);if(!Sys.Mvc._ValidationUtil.$1($7)){Array.add($1,$7);}}this.$13();this.clearErrors();this.addErrors($1);return $1;}}
Sys.Mvc.RangeValidator=function(minimum,maximum){this.$0=minimum;this.$1=maximum;}
Sys.Mvc.RangeValidator.create=function(rule){var $0=rule.ValidationParameters['min'];var $1=rule.ValidationParameters['max'];return Function.createDelegate(new Sys.Mvc.RangeValidator($0,$1),new Sys.Mvc.RangeValidator($0,$1).validate);}
Sys.Mvc.RangeValidator.prototype={$0:null,$1:null,validate:function(value,context){if(Sys.Mvc._ValidationUtil.$1(value)){return true;}var $0=Number.parseLocale(value);return (!isNaN($0)&&this.$0<=$0&&$0<=this.$1);}}
Sys.Mvc.RegularExpressionValidator=function(pattern){this.$0=pattern;}
Sys.Mvc.RegularExpressionValidator.create=function(rule){var $0=rule.ValidationParameters['pattern'];return Function.createDelegate(new Sys.Mvc.RegularExpressionValidator($0),new Sys.Mvc.RegularExpressionValidator($0).validate);}
Sys.Mvc.RegularExpressionValidator.prototype={$0:null,validate:function(value,context){if(Sys.Mvc._ValidationUtil.$1(value)){return true;}var $0=new RegExp(this.$0);var $1=$0.exec(value);return (!Sys.Mvc._ValidationUtil.$0($1)&&$1[0].length===value.length);}}
Sys.Mvc.RequiredValidator=function(){}
Sys.Mvc.RequiredValidator.create=function(rule){return Function.createDelegate(new Sys.Mvc.RequiredValidator(),new Sys.Mvc.RequiredValidator().validate);}
Sys.Mvc.RequiredValidator.$0=function($p0){if($p0.tagName.toUpperCase()==='INPUT'){var $0=($p0.type).toUpperCase();if($0==='RADIO'){return true;}}return false;}
Sys.Mvc.RequiredValidator.$1=function($p0){if($p0.tagName.toUpperCase()==='SELECT'){return true;}return false;}
Sys.Mvc.RequiredValidator.$2=function($p0){if($p0.tagName.toUpperCase()==='INPUT'){var $0=($p0.type).toUpperCase();switch($0){case 'TEXT':case 'PASSWORD':case 'FILE':return true;}}if($p0.tagName.toUpperCase()==='TEXTAREA'){return true;}return false;}
Sys.Mvc.RequiredValidator.$3=function($p0){for(var $0=0;$0<$p0.length;$0++){var $1=$p0[$0];if($1.checked){return true;}}return false;}
Sys.Mvc.RequiredValidator.$4=function($p0){for(var $0=0;$0<$p0.length;$0++){var $1=$p0[$0];if($1.selected){if(!Sys.Mvc._ValidationUtil.$1($1.value)){return true;}}}return false;}
Sys.Mvc.RequiredValidator.$5=function($p0){return (!Sys.Mvc._ValidationUtil.$1($p0.value));}
Sys.Mvc.RequiredValidator.prototype={validate:function(value,context){var $0=context.fieldContext.elements;if(!$0.length){return true;}var $1=$0[0];if(Sys.Mvc.RequiredValidator.$2($1)){return Sys.Mvc.RequiredValidator.$5($1);}if(Sys.Mvc.RequiredValidator.$0($1)){return Sys.Mvc.RequiredValidator.$3($0);}if(Sys.Mvc.RequiredValidator.$1($1)){return Sys.Mvc.RequiredValidator.$4(($1).options);}return true;}}
Sys.Mvc.StringLengthValidator=function(minLength,maxLength){this.$1=minLength;this.$0=maxLength;}
Sys.Mvc.StringLengthValidator.create=function(rule){var $0=(rule.ValidationParameters['min']||0);var $1=(rule.ValidationParameters['max']||Number.MAX_VALUE);return Function.createDelegate(new Sys.Mvc.StringLengthValidator($0,$1),new Sys.Mvc.StringLengthValidator($0,$1).validate);}
Sys.Mvc.StringLengthValidator.prototype={$0:0,$1:0,validate:function(value,context){if(Sys.Mvc._ValidationUtil.$1(value)){return true;}return (this.$1<=value.length&&value.length<=this.$0);}}
Sys.Mvc._ValidationUtil=function(){}
Sys.Mvc._ValidationUtil.$0=function($p0){return (!$p0||!$p0.length);}
Sys.Mvc._ValidationUtil.$1=function($p0){return (!$p0||!$p0.length);}
Sys.Mvc._ValidationUtil.$2=function($p0,$p1){return ($p1 in $p0);}
Sys.Mvc._ValidationUtil.$3=function($p0){while($p0.firstChild){$p0.removeChild($p0.firstChild);}}
Sys.Mvc._ValidationUtil.$4=function($p0,$p1){var $0=document.createTextNode($p1);Sys.Mvc._ValidationUtil.$3($p0);$p0.appendChild($0);}
Sys.Mvc.ValidatorRegistry=function(){}
Sys.Mvc.ValidatorRegistry.getValidator=function(rule){var $0=Sys.Mvc.ValidatorRegistry.validators[rule.ValidationType];return ($0)?$0(rule):null;}
Sys.Mvc.ValidatorRegistry.$0=function(){return {required:Function.createDelegate(null,Sys.Mvc.RequiredValidator.create),length:Function.createDelegate(null,Sys.Mvc.StringLengthValidator.create),regex:Function.createDelegate(null,Sys.Mvc.RegularExpressionValidator.create),range:Function.createDelegate(null,Sys.Mvc.RangeValidator.create),number:Function.createDelegate(null,Sys.Mvc.NumberValidator.create)};}
Sys.Mvc.NumberValidator.registerClass('Sys.Mvc.NumberValidator');Sys.Mvc.FormContext.registerClass('Sys.Mvc.FormContext');Sys.Mvc.FieldContext.registerClass('Sys.Mvc.FieldContext');Sys.Mvc.RangeValidator.registerClass('Sys.Mvc.RangeValidator');Sys.Mvc.RegularExpressionValidator.registerClass('Sys.Mvc.RegularExpressionValidator');Sys.Mvc.RequiredValidator.registerClass('Sys.Mvc.RequiredValidator');Sys.Mvc.StringLengthValidator.registerClass('Sys.Mvc.StringLengthValidator');Sys.Mvc._ValidationUtil.registerClass('Sys.Mvc._ValidationUtil');Sys.Mvc.ValidatorRegistry.registerClass('Sys.Mvc.ValidatorRegistry');Sys.Mvc.ValidatorRegistry.validators=Sys.Mvc.ValidatorRegistry.$0();
// ---- Do not remove this footer ----
// Generated using Script# v0.5.0.0 (http://projects.nikhilk.net)
// -----------------------------------
Sys.Application.add_load(function(){Sys.Application.remove_load(arguments.callee);Sys.Mvc.FormContext._Application_Load();});

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This article, along with any associated source code and files, is licensed under The Microsoft Public License (Ms-PL)


Written By
Raul Iloc
Romania Romania
I have about 20 years experiences in leading software projects and teams and about 25 years of working experience in software development (SW Developer, SW Lead, SW Architect, SW PM, SW Manager/Group Leader).

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Posted 12 Feb 2013

Article Copyright 2013 by Raul Iloc
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