com.travoca.app.utils.amazon.UploadService.java Source code

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Here is the source code for com.travoca.app.utils.amazon.UploadService.java

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/***
 * Copyright (c) 2012 readyState Software Ltd
 * <p/>
 * 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.travoca.app.utils.amazon;

import com.amazonaws.auth.BasicAWSCredentials;
import com.amazonaws.services.s3.AmazonS3Client;
import com.amazonaws.services.s3.model.ProgressEvent;
import com.travoca.app.R;
import com.travoca.app.activity.MainActivity;

import android.app.IntentService;
import android.app.Notification;
import android.app.NotificationManager;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
import android.support.v4.app.NotificationCompat;

import java.io.File;

public class UploadService extends IntentService {

    public static final String ARG_FILE_PATH = "file_path";

    public static final String ARG_FILE_NAME = "file_name";

    public static final String UPLOAD_STATE_CHANGED_ACTION = "UPLOAD_STATE_CHANGED_ACTION";

    public static final String UPLOAD_CANCELLED_ACTION = "UPLOAD_CANCELLED_ACTION";

    public static final String S3KEY_EXTRA = "s3key";

    public static final String PERCENT_EXTRA = "percent";

    public static final String MSG_EXTRA = "msg";

    private static final int NOTIFY_ID_UPLOAD = 1337;

    private AmazonS3Client s3Client;

    private Uploader uploader;

    private NotificationManager nm;

    private BroadcastReceiver uploadCancelReceiver = new BroadcastReceiver() {
        @Override
        public void onReceive(Context context, Intent intent) {
            if (uploader != null) {
                uploader.interrupt();
            }
        }
    };

    public UploadService() {
        super("upload");
    }

    @Override
    public void onCreate() {
        super.onCreate();
        //      android.os.Debug.waitForDebugger();
        s3Client = new AmazonS3Client(
                new BasicAWSCredentials(getString(R.string.s3_access_key), getString(R.string.s3_secret)));
        nm = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);

        IntentFilter f = new IntentFilter();
        f.addAction(UPLOAD_CANCELLED_ACTION);
        registerReceiver(uploadCancelReceiver, f);
    }

    @Override
    protected void onHandleIntent(Intent intent) {

        String filePath = intent.getStringExtra(ARG_FILE_PATH);
        final String s3ObjectKey = intent.getStringExtra(ARG_FILE_NAME);
        File fileToUpload = new File(filePath);

        String s3BucketName = getString(R.string.s3_bucket);

        final String msg = "Uploading " + s3ObjectKey + "...";

        // create a new uploader for this file
        uploader = new Uploader(this, s3Client, s3BucketName, s3ObjectKey, fileToUpload);

        // listen for progress updates and broadcast/notify them appropriately
        uploader.setProgressListener(new Uploader.UploadProgressListener() {
            @Override
            public void progressChanged(ProgressEvent progressEvent, long bytesUploaded, int percentUploaded) {

                Notification notification = buildNotification(msg, percentUploaded);
                nm.notify(NOTIFY_ID_UPLOAD, notification);
                broadcastState(s3ObjectKey, percentUploaded, msg);
            }
        });

        // broadcast/notify that our upload is starting
        Notification notification = buildNotification(msg, 0);
        nm.notify(NOTIFY_ID_UPLOAD, notification);
        broadcastState(s3ObjectKey, 0, msg);

        try {
            String s3Location = uploader.start(); // initiate the upload
            broadcastState(s3ObjectKey, -1, "File successfully uploaded to " + s3Location);
        } catch (UploadIterruptedException uie) {
            broadcastState(s3ObjectKey, -1, "User interrupted");
        } catch (Exception e) {
            e.printStackTrace();
            broadcastState(s3ObjectKey, -1, "Error: " + e.getMessage());
        }
    }

    @Override
    public void onDestroy() {
        nm.cancel(NOTIFY_ID_UPLOAD);
        unregisterReceiver(uploadCancelReceiver);
        super.onDestroy();
    }

    private void broadcastState(String s3key, int percent, String msg) {
        Intent intent = new Intent(UPLOAD_STATE_CHANGED_ACTION);
        Bundle b = new Bundle();
        b.putString(S3KEY_EXTRA, s3key);
        b.putInt(PERCENT_EXTRA, percent);
        b.putString(MSG_EXTRA, msg);
        intent.putExtras(b);
        sendBroadcast(intent);
    }

    private Notification buildNotification(String msg, int progress) {
        NotificationCompat.Builder builder = new NotificationCompat.Builder(this);
        builder.setWhen(System.currentTimeMillis());
        builder.setTicker(msg);
        builder.setContentTitle(getString(R.string.app_name));
        builder.setContentText(msg);
        builder.setSmallIcon(R.drawable.loadersmall05);
        builder.setOngoing(true);
        builder.setProgress(100, progress, false);

        Intent notificationIntent = new Intent(this, MainActivity.class);
        notificationIntent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
        //        PendingIntent contentIntent = PendingIntent.getActivity(this, 0, notificationIntent, 0);
        //        builder.setContentIntent(contentIntent);

        return builder.build();
    }

}