[FileEncap6] Extract Uploader class

Gerrit was stuck on original change I9ef4eb7450

Change-Id: I6d4ee686944074779aca5b09b018782c7033874d

1 files changed, 10 insertions, 162 deletions

diff --git a/java/src/com/android/inputmethod/research/UploaderService.java b/java/src/com/android/inputmethod/research/UploaderService.java
index eb5bdefb7..26b651056 100644
--- a/java/src/com/android/inputmethod/research/UploaderService.java
+++ b/java/src/com/android/inputmethod/research/UploaderService.java
@@ -16,91 +16,36 @@
 
 package com.android.inputmethod.research;
 
-import android.Manifest;
 import android.app.AlarmManager;
 import android.app.IntentService;
-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.os.Bundle;
-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.FileFilter;
-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;
-
+/**
+ * Service to invoke the uploader.
+ *
+ * Can be regularly invoked, invoked on boot, etc.
+ */
 public final class UploaderService extends IntentService {
     private static final String TAG = UploaderService.class.getSimpleName();
     private static final boolean DEBUG = false && ProductionFlag.IS_EXPERIMENTAL_DEBUG;
-    // Set IS_INHIBITING_AUTO_UPLOAD to true for local testing
-    private static final boolean IS_INHIBITING_AUTO_UPLOAD = false
-            && ProductionFlag.IS_EXPERIMENTAL_DEBUG;  // Force false in production
     public static final long RUN_INTERVAL = AlarmManager.INTERVAL_HOUR;
     public static final String EXTRA_UPLOAD_UNCONDITIONALLY = UploaderService.class.getName()
             + ".extra.UPLOAD_UNCONDITIONALLY";
-    private static final int BUF_SIZE = 1024 * 8;
     protected static final int TIMEOUT_IN_MS = 1000 * 4;
 
-    private File mFilesDir;
-    private URL mUrl;
-
     public UploaderService() {
         super("Research Uploader Service");
     }
 
     @Override
-    public void onCreate() {
-        super.onCreate();
-
-        mFilesDir = null;
-        mUrl = null;
-
-        if (!hasUploadingPermission()) {
-            return;
-        }
-
-        try {
-            final String urlString = getString(R.string.research_logger_upload_url);
-            if (urlString == null || urlString.equals("")) {
-                return;
-            }
-            mFilesDir = getFilesDir();
-            mUrl = new URL(urlString);
-        } catch (MalformedURLException e) {
-            e.printStackTrace();
-        }
-    }
-
-    public boolean isPossibleToUpload() {
-        return hasUploadingPermission() && mUrl != null && !IS_INHIBITING_AUTO_UPLOAD;
-    }
-
-    private boolean hasUploadingPermission() {
-        final PackageManager packageManager = getPackageManager();
-        return packageManager.checkPermission(Manifest.permission.INTERNET,
-                getPackageName()) == PackageManager.PERMISSION_GRANTED;
-    }
-
-    @Override
-    protected void onHandleIntent(Intent intent) {
-        if (!isPossibleToUpload()) return;
-        if (isUploadingUnconditionally(intent.getExtras()) || isConvenientToUpload()) {
-            doUpload();
+    protected void onHandleIntent(final Intent intent) {
+        final Uploader uploader = new Uploader(this);
+        if (!uploader.isPossibleToUpload()) return;
+        if (isUploadingUnconditionally(intent.getExtras()) || uploader.isConvenientToUpload()) {
+            uploader.doUpload();
         }
     }
 
@@ -111,101 +56,4 @@ public final class UploaderService extends IntentService {
         }
         return false;
     }
-
-    private boolean isConvenientToUpload() {
-        return isExternallyPowered() && hasWifiConnection();
-    }
-
-    private boolean isExternallyPowered() {
-        final Intent intent = 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) getSystemService(Context.CONNECTIVITY_SERVICE);
-        final NetworkInfo wifiInfo = manager.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
-        return wifiInfo.isConnected();
-    }
-
-    private void doUpload() {
-        if (mFilesDir == null) {
-            return;
-        }
-        final File[] files = mFilesDir.listFiles(new FileFilter() {
-            @Override
-            public boolean accept(File pathname) {
-                return pathname.getName().startsWith(ResearchLogger.LOG_FILENAME_PREFIX)
-                        && !pathname.canWrite();
-            }
-        });
-        boolean success = true;
-        if (files.length == 0) {
-            success = false;
-        }
-        for (final File file : files) {
-            if (!uploadFile(file)) {
-                success = false;
-            }
-        }
-    }
-
-    private boolean uploadFile(File file) {
-        if (DEBUG) {
-            Log.d(TAG, "attempting upload of " + file.getAbsolutePath());
-        }
-        boolean success = false;
-        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 os = connection.getOutputStream();
-            final byte[] buf = new byte[BUF_SIZE];
-            int numBytesRead;
-            while ((numBytesRead = fileInputStream.read(buf)) != -1) {
-                os.write(buf, 0, numBytesRead);
-                if (DEBUG) {
-                    Log.d(TAG, new String(buf));
-                }
-            }
-            if (connection.getResponseCode() != HttpURLConnection.HTTP_OK) {
-                Log.d(TAG, "upload failed: " + connection.getResponseCode());
-                InputStream netInputStream = connection.getInputStream();
-                BufferedReader reader = new BufferedReader(new InputStreamReader(netInputStream));
-                String line;
-                while ((line = reader.readLine()) != null) {
-                    Log.d(TAG, "| " + reader.readLine());
-                }
-                reader.close();
-                return success;
-            }
-            file.delete();
-            success = true;
-            if (DEBUG) {
-                Log.d(TAG, "upload successful");
-            }
-        } catch (Exception e) {
-            e.printStackTrace();
-        } finally {
-            if (fileInputStream != null) {
-                try {
-                    fileInputStream.close();
-                } catch (IOException e) {
-                    e.printStackTrace();
-                }
-            }
-            if (connection != null) {
-                connection.disconnect();
-            }
-        }
-        return success;
-    }
 }