make the error throwable

MVMCoreUI/BaseControllers/MFViewController+Model.swift

@@ -32,6 +32,6 @@ extension MFViewController: MoleculeDelegateProtocol {
 }
 
 public extension MFViewController {
-    @objc func parsePageJSON() {
+    @objc func parsePageJSON() throws {
     }
 }

MVMCoreUI/BaseControllers/MFViewController.m

@@ -96,7 +96,15 @@
 - (BOOL)shouldFinishProcessingLoad:(nonnull MVMCoreLoadObject *)loadObject error:(MVMCoreErrorObject *_Nonnull *_Nonnull)error {
     self.pageType = loadObject.pageType;
     self.loadObject = loadObject;
-    [self parsePageJSON];
+    
+    NSError *parseError = nil;
+    [self parsePageJSONAndReturnError:&parseError];
+    if (parseError) {
+        if (error) {
+            *error = [MVMCoreErrorObject createErrorObjectForNSError:parseError location:[[MVMCoreLoadHandler sharedGlobal] errorLocationForRequest:loadObject]];
+        }
+        return false;
+    }
     
     // Verifies all modules needed are loaded.
     return [MFViewController verifyRequiredModulesLoadedForLoadObject:loadObject error:error];
@@ -250,7 +258,8 @@
 
 - (BOOL)newPageLoaded:(nonnull NSDictionary *)page {
     self.loadObject.pageJSON = page;
-    [self parsePageJSON];
+    NSError *parseError = nil;
+    [self parsePageJSONAndReturnError:&parseError];
     return YES;
 }
 

MVMCoreUI/Models/ModelProtocols/TemplateProtocol.swift

@@ -14,15 +14,11 @@ public protocol TemplateProtocol: class {
 }
 
 public extension TemplateProtocol where Self: MFViewController  {
-    func parseTemplateJSON() {
+    func parseTemplateJSON() throws {
         guard let pageJSON = self.loadObject?.pageJSON else { return }
-        do {
+        let data = try JSONSerialization.data(withJSONObject: pageJSON)
-            let data = try JSONSerialization.data(withJSONObject: pageJSON)
+        let decoder = JSONDecoder()
-            let decoder = JSONDecoder()
+        let templateModel = try decoder.decode(TemplateModel.self, from: data)
-            let templateModel = try decoder.decode(TemplateModel.self, from: data)
+        self.templateModel = templateModel
-            self.templateModel = templateModel
-        } catch {
-            MVMCoreUILoggingHandler.logDebugMessage(withDelegate: "error: \(error)")
-        }
     }
 }

MVMCoreUI/Templates/MoleculeListTemplate.swift

@@ -14,8 +14,8 @@ open class MoleculeListTemplate: ThreeLayerTableViewController, TemplateProtocol
     var observer: NSKeyValueObservation?
 
     public var templateModel: ListPageTemplateModel?
-    public override func parsePageJSON() {
+    @objc public override func parsePageJSON() throws {
-        parseTemplateJSON()
+        try parseTemplateJSON()
     }
     
     open override var loadObject: MVMCoreLoadObject? {

MVMCoreUI/Templates/MoleculeStackTemplate.swift

@@ -12,8 +12,8 @@ open class MoleculeStackTemplate: ThreeLayerViewController, TemplateProtocol {
 
     var observer: NSKeyValueObservation?
     public var templateModel: StackPageTemplateModel?
-    public override func parsePageJSON() {
+    public override func parsePageJSON() throws {
-        parseTemplateJSON()
+        try parseTemplateJSON()
     }
     
     open override var loadObject: MVMCoreLoadObject? {

MVMCoreUI/Templates/ThreeLayerTemplate.swift

@@ -11,8 +11,8 @@ import UIKit
 @objcMembers open class ThreeLayerTemplate: ThreeLayerViewController, TemplateProtocol {
 
     public var templateModel: ThreeLayerPageTemplateModel?
-    public override func parsePageJSON() {
+    @objc public override func parsePageJSON() throws {
-        parseTemplateJSON()
+        try parseTemplateJSON()
     }
     
     override open func viewDidLoad() {