Inherits from NSObject
Declared in MMValidationManager.h
MMValidationManager.m

Overview

  • A class that manages a list of objects that conforms to

  • MMValidatorProtocol. When you call the performValidation:

  • selector, the validation manager will iterate through its list

  • of validator objects and checks to see whether or not the validator

  • object is valid. Every validator object that is not in a valid state,

  • the validation message is returned.

Tasks

Instance Methods

addValidator:

  • Adds a validator object to the current validation manager.
- (void)addValidator:(id<MMValidatorProtocol>)validator

Discussion

*

  • @param validator A validator object to be added to the validation manager.

Declared In

MMValidationManager.h

getValidationMessagesAsArray

  • Iterates through each of the validation objects and calls its
- (NSArray *)getValidationMessagesAsArray

Discussion

  • isValid: selector. For every object that fails validation, its

  • error message is added to an NSArray which holds all the validation

  • error messages.

*

  • @return A list of NSString objects that represent the

  •   validation error messages.

Declared In

MMValidationManager.h

getValidationMessagesAsString

  • Iterates through each of the validation objects and calls its
- (NSString *)getValidationMessagesAsString

Discussion

  • isValid: selector. For every object that fails validation, its

  • error message is added to an NSArray which holds all the validation

  • error messages; which is then converted into a string.

*

  • @return A string representing the error messages.

Declared In

MMValidationManager.h