Issue 5931 - Create tests for util package

adblockplussbrowser/src/main/java/org/adblockplus/sbrowser/contentblocker/ContentBlockerContentProvider.java

Index: adblockplussbrowser/src/main/java/org/adblockplus/sbrowser/contentblocker/ContentBlockerContentProvider.java
===================================================================
new file mode 100644
--- /dev/null
+++ b/adblockplussbrowser/src/main/java/org/adblockplus/sbrowser/contentblocker/ContentBlockerContentProvider.java
@@ -0,0 +1,121 @@
+/*
+ * This file is part of Adblock Plus <https://adblockplus.org/>,
+ * Copyright (C) 2006-present eyeo GmbH
+ *
+ * Adblock Plus is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 3 as
+ * published by the Free Software Foundation.
+ *
+ * Adblock Plus is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.adblockplus.sbrowser.contentblocker;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+
+import org.adblockplus.adblockplussbrowser.R;
+import org.adblockplus.sbrowser.contentblocker.engine.Engine;
+import org.adblockplus.sbrowser.contentblocker.engine.EngineService;
+import org.adblockplus.sbrowser.contentblocker.util.SharedPrefsUtils;
+
+import android.content.ContentProvider;
+import android.content.ContentValues;
+import android.content.Intent;
+import android.database.Cursor;
+import android.net.Uri;
+import android.os.Bundle;
+import android.os.ParcelFileDescriptor;
+import android.support.annotation.NonNull;
+import android.util.Log;
+
+public class ContentBlockerContentProvider extends ContentProvider
+{
+  private static final String TAG = ContentBlockerContentProvider.class.getSimpleName();
+
+  @Override
+  public Bundle call(@NonNull String method, String arg, Bundle extras)
+  {
+    // As of SBC interface v1.4 we return `null` here to signal that we do not
+    // use encryption
+    return null;
+  }
+
+  private void setApplicationActivated()
+  {
+    final boolean applicationActivated = SharedPrefsUtils.getBoolean(
+        this.getContext(), R.string.key_application_activated, false);
+
+    if (!applicationActivated)
+    {
+      SharedPrefsUtils.putBoolean(this.getContext(), R.string.key_application_activated, true);
+    }
+  }
+
+  @Override
+  public ParcelFileDescriptor openFile(@NonNull final Uri uri, @NonNull final String mode)
+      throws FileNotFoundException
+  {
+    try
+    {
+      this.setApplicationActivated();
+      Log.d(TAG, "Writing filters...");
+      final File filterFile = Engine.getOrCreateCachedFilterFile(getContext());
+      Log.d(TAG, "Delivering filters...");
+      return ParcelFileDescriptor.open(filterFile, ParcelFileDescriptor.MODE_READ_ONLY);
+    }
+    catch (IOException e)
+    {
+      Log.e(TAG, "File creation failed: " + e.getMessage(), e);
+      return null;
+    }
+  }
+
+  @Override
+  public boolean onCreate()
+  {
+    Log.i(TAG, "onCreate() called");
+    getContext().startService(new Intent(getContext(), EngineService.class));
+    Log.i(TAG, "Requested service startup");
+    return true;
+  }
+
+  @Override
+  public Cursor query(@NonNull final Uri uri, final String[] projection, final String selection,
+      final String[] selectionArgs, final String sortOrder)
+  {
+    return null;
+  }
+
+  @Override
+  public String getType(@NonNull final Uri uri)
+  {
+    return null;
+  }
+
+  @Override
+  public Uri insert(@NonNull final Uri uri, final ContentValues values)
+  {
+    return null;
+  }
+
+  @Override
+  public int delete(@NonNull final Uri uri, final String selection, final String[] selectionArgs)
+  {
+    return 0;
+  }
+
+  @Override
+  public int update(@NonNull final Uri uri, final ContentValues values, final String selection,
+      final String[] selectionArgs)
+  {
+    return 0;
+  }
+}