br.com.cybereagle.androidtestlibrary.shadow.ShadowAsyncTaskLoader.java Source code

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Here is the source code for br.com.cybereagle.androidtestlibrary.shadow.ShadowAsyncTaskLoader.java

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/*
 * Copyright 2013 Cyber Eagle
 *
 * 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 br.com.cybereagle.androidtestlibrary.shadow;

import android.os.AsyncTask;
import android.os.SystemClock;
import android.support.v4.content.AsyncTaskLoader;
import org.robolectric.annotation.Implementation;
import org.robolectric.annotation.Implements;
import org.robolectric.annotation.RealObject;

import java.lang.reflect.Field;

@Implements(AsyncTaskLoader.class)
public class ShadowAsyncTaskLoader<D> {

    @RealObject
    private AsyncTaskLoader<D> asyncTaskLoader;

    @Implementation
    void executePendingTask() {
        new AsyncTask<Void, Void, D>() {
            @Override
            protected D doInBackground(Void... params) {
                return (D) asyncTaskLoader.loadInBackground();
            }

            @Override
            protected void onPostExecute(D data) {
                updateLastLoadCompleteTimeField();
                asyncTaskLoader.deliverResult(data);
            }

            @Override
            protected void onCancelled(D data) {
                updateLastLoadCompleteTimeField();
                asyncTaskLoader.onCanceled(data);

                executePendingTask();
            }
        };
    }

    private void updateLastLoadCompleteTimeField() {
        try {
            Field mLastLoadCompleteTimeField = AsyncTaskLoader.class.getDeclaredField("mLastLoadCompleteTimeField");
            if (!mLastLoadCompleteTimeField.isAccessible()) {
                mLastLoadCompleteTimeField.setAccessible(true);
            }
            mLastLoadCompleteTimeField.set(asyncTaskLoader, SystemClock.uptimeMillis());

        } catch (NoSuchFieldException e) {
            e.printStackTrace();
        } catch (IllegalAccessException e) {
            e.printStackTrace();
        }
    }
}