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InjectorUtility.java
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InjectorUtility.java
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/*
* Copyright 2018 Kaushik N. Sanji
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.example.kaushiknsanji.storeapp.utils;
import android.content.Context;
import com.example.kaushiknsanji.storeapp.data.StoreRepository;
import com.example.kaushiknsanji.storeapp.data.local.StoreFileRepository;
import com.example.kaushiknsanji.storeapp.data.local.StoreLocalRepository;
/**
* Utility class that injects required dependencies into the Model-View-Presenter framework.
*
* @author Kaushik N Sanji
*/
public final class InjectorUtility {
/**
* Private Constructor to avoid instantiating {@link InjectorUtility}
*/
private InjectorUtility() {
//Suppressing with an error to enforce noninstantiability
throw new AssertionError("No " + this.getClass().getCanonicalName() + " instances for you!");
}
/**
* Method that provides/injects the {@link StoreLocalRepository} instance which
* deals with the database.
*
* @param context A {@link Context} to derive the {@link android.content.ContentResolver} instance
* @return Instance of {@link StoreLocalRepository}
*/
private static StoreLocalRepository provideLocalRepository(Context context) {
return StoreLocalRepository.getInstance(context.getContentResolver(), AppExecutors.getInstance());
}
/**
* Method that provides/injects the {@link StoreFileRepository} instance which
* deals with the Files.
*
* @param context A {@link Context} to derive the {@link android.content.ContentResolver} instance
* @return Instance of {@link StoreFileRepository}
*/
private static StoreFileRepository provideFileRepository(Context context) {
return StoreFileRepository.getInstance(context.getContentResolver(), AppExecutors.getInstance());
}
/**
* Method that provides/injects the {@link StoreRepository} instance which
* interfaces with {@link StoreLocalRepository} and {@link StoreFileRepository}
*
* @param context A {@link Context} to derive the {@link android.content.ContentResolver} instance
* @return Instance of {@link StoreRepository}
*/
public static StoreRepository provideStoreRepository(Context context) {
return StoreRepository.getInstance(provideLocalRepository(context), provideFileRepository(context));
}
}