Mechanoid.java

/*
 * Copyright 2013 Robotoworks Limited
 * 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.robotoworks.mechanoid;

import com.robotoworks.mechanoid.db.SQuery;
import com.robotoworks.mechanoid.db.SQuery.Async;
import com.robotoworks.mechanoid.ops.OpsInitializer;

import android.content.ComponentName;
import android.content.ContentResolver;
import android.content.Context;
import android.content.Intent;

/**
 * <p>Provides a means to initialize Mechanoid in an Android application, see {@link #init(Context)} for
 * more details.</p>
 */
public class Mechanoid {
	
	Context mApplicationContext;
	
	public static Context getApplicationContext() {
		return get().mApplicationContext;
	}
	public static ContentResolver getContentResolver() {
		return get().mApplicationContext.getContentResolver();
	}
	
	public static ComponentName startService(Intent intent) {
		return get().mApplicationContext.startService(intent);
	}
	
	private static Mechanoid sInstance;
	
	
	public static Mechanoid get() {
		if(sInstance == null) {
			throw new MechanoidNotInitializedException();
		}
		return sInstance;
	}
	
	private Mechanoid(Context context){
		mApplicationContext = context.getApplicationContext();
	}
	
	/**
	 * <p>Initialize Mechanoid, this should be the very first thing called in onCreate of an
	 * Android application implementation.</p>
	 * 
	 * @param context
	 */
	public static void init(Context context) {
		if(sInstance == null) {
			sInstance = new Mechanoid(context);
			
			SQuery.init(getContentResolver());
			
			OpsInitializer.init();
		}
	}
}