| /* |
| * Copyright (C) 2013 The Android Open Source Project |
| * |
| * 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.android.inputmethod.research; |
| |
| import android.Manifest; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.content.pm.PackageManager; |
| import android.net.ConnectivityManager; |
| import android.net.NetworkInfo; |
| import android.os.BatteryManager; |
| import android.text.TextUtils; |
| import android.util.Log; |
| |
| import com.android.inputmethod.latin.R; |
| import com.android.inputmethod.latin.define.ProductionFlag; |
| |
| import java.io.BufferedReader; |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.InputStreamReader; |
| import java.io.OutputStream; |
| import java.net.HttpURLConnection; |
| import java.net.MalformedURLException; |
| import java.net.URL; |
| |
| /** |
| * Manages the uploading of ResearchLog files. |
| */ |
| public final class Uploader { |
| private static final String TAG = Uploader.class.getSimpleName(); |
| private static final boolean DEBUG = false |
| && ProductionFlag.USES_DEVELOPMENT_ONLY_DIAGNOSTICS_DEBUG; |
| // Set IS_INHIBITING_AUTO_UPLOAD to true for local testing |
| private static final boolean IS_INHIBITING_AUTO_UPLOAD = false |
| && ProductionFlag.USES_DEVELOPMENT_ONLY_DIAGNOSTICS_DEBUG; |
| private static final int BUF_SIZE = 1024 * 8; |
| |
| private final Context mContext; |
| private final ResearchLogDirectory mResearchLogDirectory; |
| private final URL mUrl; |
| |
| public Uploader(final Context context) { |
| mContext = context; |
| mResearchLogDirectory = new ResearchLogDirectory(context); |
| |
| final String urlString = context.getString(R.string.research_logger_upload_url); |
| if (TextUtils.isEmpty(urlString)) { |
| mUrl = null; |
| return; |
| } |
| URL url = null; |
| try { |
| url = new URL(urlString); |
| } catch (final MalformedURLException e) { |
| Log.e(TAG, "Bad URL for uploading", e); |
| } |
| mUrl = url; |
| } |
| |
| public boolean isPossibleToUpload() { |
| return hasUploadingPermission() && mUrl != null && !IS_INHIBITING_AUTO_UPLOAD; |
| } |
| |
| private boolean hasUploadingPermission() { |
| final PackageManager packageManager = mContext.getPackageManager(); |
| return packageManager.checkPermission(Manifest.permission.INTERNET, |
| mContext.getPackageName()) == PackageManager.PERMISSION_GRANTED; |
| } |
| |
| public boolean isConvenientToUpload() { |
| return isExternallyPowered() && hasWifiConnection(); |
| } |
| |
| private boolean isExternallyPowered() { |
| final Intent intent = mContext.registerReceiver(null, new IntentFilter( |
| Intent.ACTION_BATTERY_CHANGED)); |
| final int pluggedState = intent.getIntExtra(BatteryManager.EXTRA_PLUGGED, -1); |
| return pluggedState == BatteryManager.BATTERY_PLUGGED_AC |
| || pluggedState == BatteryManager.BATTERY_PLUGGED_USB; |
| } |
| |
| private boolean hasWifiConnection() { |
| final ConnectivityManager manager = |
| (ConnectivityManager) mContext.getSystemService(Context.CONNECTIVITY_SERVICE); |
| final NetworkInfo wifiInfo = manager.getNetworkInfo(ConnectivityManager.TYPE_WIFI); |
| return wifiInfo.isConnected(); |
| } |
| |
| public void doUpload() { |
| final File[] files = mResearchLogDirectory.getUploadableLogFiles(); |
| if (files == null) return; |
| for (final File file : files) { |
| uploadFile(file); |
| } |
| } |
| |
| private void uploadFile(final File file) { |
| if (DEBUG) { |
| Log.d(TAG, "attempting upload of " + file.getAbsolutePath()); |
| } |
| final int contentLength = (int) file.length(); |
| HttpURLConnection connection = null; |
| InputStream fileInputStream = null; |
| try { |
| fileInputStream = new FileInputStream(file); |
| connection = (HttpURLConnection) mUrl.openConnection(); |
| connection.setRequestMethod("PUT"); |
| connection.setDoOutput(true); |
| connection.setFixedLengthStreamingMode(contentLength); |
| final OutputStream outputStream = connection.getOutputStream(); |
| uploadContents(fileInputStream, outputStream); |
| if (connection.getResponseCode() != HttpURLConnection.HTTP_OK) { |
| Log.d(TAG, "upload failed: " + connection.getResponseCode()); |
| final InputStream netInputStream = connection.getInputStream(); |
| final BufferedReader reader = new BufferedReader(new InputStreamReader( |
| netInputStream)); |
| String line; |
| while ((line = reader.readLine()) != null) { |
| Log.d(TAG, "| " + reader.readLine()); |
| } |
| reader.close(); |
| return; |
| } |
| file.delete(); |
| if (DEBUG) { |
| Log.d(TAG, "upload successful"); |
| } |
| } catch (final IOException e) { |
| Log.e(TAG, "Exception uploading file", e); |
| } finally { |
| if (fileInputStream != null) { |
| try { |
| fileInputStream.close(); |
| } catch (final IOException e) { |
| Log.e(TAG, "Exception closing uploaded file", e); |
| } |
| } |
| if (connection != null) { |
| connection.disconnect(); |
| } |
| } |
| } |
| |
| private static void uploadContents(final InputStream is, final OutputStream os) |
| throws IOException { |
| // TODO: Switch to NIO. |
| final byte[] buf = new byte[BUF_SIZE]; |
| int numBytesRead; |
| while ((numBytesRead = is.read(buf)) != -1) { |
| os.write(buf, 0, numBytesRead); |
| } |
| } |
| } |