All rules: init with optional user-defined message possible

Author: mlutter

Validator/ConfirmRule.swift

@@ -12,16 +12,18 @@ import UIKit
 public class ConfirmationRule: Rule {
 
     private let confirmField: UITextField
+    private var message : String
 
-    public init(confirmField: UITextField) {
+    public init(confirmField: UITextField, message : String = "This field does not match"){
         self.confirmField = confirmField
+        self.message = message
     }
 
     public func validate(value: String) -> Bool {
         return confirmField.text == value
     }
 
     public func errorMessage() -> String {
-        return "This field does not match"
+        return message
     }
 }

Validator/FloatRule.swift

@@ -10,8 +10,10 @@ import Foundation
 
 public class FloatRule:Rule {
 
-    public init(){
-        
+    private var message : String
+
+    public init(message : String = "This must be a number with or without a decimal"){
+        self.message = message
     }
 
     public func validate(value: String) -> Bool {
@@ -24,6 +26,6 @@ public class FloatRule:Rule {
     }
 
     public func errorMessage() -> String {
-        return "This must be a number with or without a decimal"
+        return message
     }
 }

Validator/FullNameRule.swift

@@ -11,16 +11,17 @@ import Foundation
 
 public class FullNameRule : Rule {
 
-    var message:String {
-        return "Please provide a first & last name"
-    }
-    
-    public init(){}
+    private var message : String
 
+    public init(message : String = "Please provide a first & last name"){
+        self.message = message
+    }
+        
     public func validate(value: String) -> Bool {
         var nameArray: [String] = split(value) { $0 == " " }
         return nameArray.count >= 2
     }
+    
     public func errorMessage() -> String {
         return message
     }

Validator/MaxLengthRule.swift

@@ -10,18 +10,20 @@ import Foundation
 public class MaxLengthRule: Rule {
 
     private var DEFAULT_LENGTH: Int = 16
+    private var message : String = "Must be at most 16 characters long"
 
     public init(){}
 
-    public init(length: Int){
+    public init(length: Int, message : String = "Must be at most %ld characters long"){
         self.DEFAULT_LENGTH = length
+        self.message = NSString(format: message, self.DEFAULT_LENGTH) as String
     }
-    
+        
     public func validate(value: String) -> Bool {
         return count(value) <= DEFAULT_LENGTH
     }
 
     public func errorMessage() -> String {
-        return "Must be at most \(DEFAULT_LENGTH) characters long"
+        return message
     }
 }

Validator/MinLengthRule.swift

@@ -11,18 +11,20 @@ import Foundation
 public class MinLengthRule: Rule {
 
     private var DEFAULT_LENGTH: Int = 3
-    
+    private var message : String = "Must be at least 3 characters long"
+
     public init(){}
 
-    public init(length: Int){
+    public init(length: Int, message : String = "Must be at least %ld characters long"){
         self.DEFAULT_LENGTH = length
+        self.message = NSString(format: message, self.DEFAULT_LENGTH) as String
     }
 
     public func validate(value: String) -> Bool {
         return count(value) >= DEFAULT_LENGTH
     }
 
     public func errorMessage() -> String {
-        return "Must be at least \(DEFAULT_LENGTH) characters long"
+        return message
     }
 }

Validator/RequiredRule.swift

@@ -10,10 +10,10 @@ import Foundation
 
 public class RequiredRule: Rule {
 
-    public init(){}
+    private var message : String 
 
-    var message: String {
-        return "This field is required"
+    public init(message : String = "This field is required"){
+        self.message = message
     }
 
     public func validate(value: String) -> Bool {