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/*
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* Copyright 2019 Google
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#import "FirebaseRemoteConfig/Sources/FIRRemoteConfigComponent.h"
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#import "FirebaseCore/Sources/Private/FirebaseCoreInternal.h"
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#import "FirebaseRemoteConfig/Sources/Private/FIRRemoteConfig_Private.h"
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#import "FirebaseRemoteConfig/Sources/RCNConfigContent.h"
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#import "FirebaseRemoteConfig/Sources/RCNConfigDBManager.h"
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#import "Interop/Analytics/Public/FIRAnalyticsInterop.h"
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@implementation FIRRemoteConfigComponent
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/// Default method for retrieving a Remote Config instance, or creating one if it doesn't exist.
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- (FIRRemoteConfig *)remoteConfigForNamespace:(NSString *)remoteConfigNamespace {
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if (!remoteConfigNamespace) {
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// TODO: Throw an error? Return nil? What do we want to do?
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return nil;
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}
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// Validate the required information is available.
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FIROptions *options = self.app.options;
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NSString *errorPropertyName;
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if (options.googleAppID.length == 0) {
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errorPropertyName = @"googleAppID";
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} else if (options.GCMSenderID.length == 0) {
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errorPropertyName = @"GCMSenderID";
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} else if (options.projectID.length == 0) {
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errorPropertyName = @"projectID";
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}
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if (errorPropertyName) {
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NSString *const kFirebaseConfigErrorDomain = @"com.firebase.config";
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[NSException
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raise:kFirebaseConfigErrorDomain
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format:@"%@",
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[NSString
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stringWithFormat:
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@"Firebase Remote Config is missing the required %@ property from the "
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@"configured FirebaseApp and will not be able to function properly. Please "
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@"fix this issue to ensure that Firebase is correctly configured.",
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errorPropertyName]];
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}
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FIRRemoteConfig *instance = self.instances[remoteConfigNamespace];
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if (!instance) {
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FIRApp *app = self.app;
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id<FIRAnalyticsInterop> analytics =
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app.isDefaultApp ? FIR_COMPONENT(FIRAnalyticsInterop, app.container) : nil;
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instance = [[FIRRemoteConfig alloc] initWithAppName:app.name
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FIROptions:app.options
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namespace:remoteConfigNamespace
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DBManager:[RCNConfigDBManager sharedInstance]
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configContent:[RCNConfigContent sharedInstance]
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analytics:analytics];
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self.instances[remoteConfigNamespace] = instance;
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}
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return instance;
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}
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/// Default initializer.
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- (instancetype)initWithApp:(FIRApp *)app {
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self = [super init];
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if (self) {
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_app = app;
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_instances = [[NSMutableDictionary alloc] initWithCapacity:1];
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}
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return self;
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}
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#pragma mark - Lifecycle
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+ (void)load {
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// Register as an internal library to be part of the initialization process. The name comes from
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// go/firebase-sdk-platform-info.
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[FIRApp registerInternalLibrary:self withName:@"fire-rc"];
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}
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#pragma mark - Interoperability
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+ (NSArray<FIRComponent *> *)componentsToRegister {
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FIRDependency *analyticsDep = [FIRDependency dependencyWithProtocol:@protocol(FIRAnalyticsInterop)
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isRequired:NO];
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FIRComponent *rcProvider = [FIRComponent
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componentWithProtocol:@protocol(FIRRemoteConfigProvider)
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instantiationTiming:FIRInstantiationTimingAlwaysEager
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dependencies:@[ analyticsDep ]
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creationBlock:^id _Nullable(FIRComponentContainer *container, BOOL *isCacheable) {
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// Cache the component so instances of Remote Config are cached.
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*isCacheable = YES;
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return [[FIRRemoteConfigComponent alloc] initWithApp:container.app];
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}];
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return @[ rcProvider ];
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}
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@end
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