Move importers to uhabits-core

uhabits-android/build.gradle

@@ -10,11 +10,6 @@ android {
         applicationId "org.isoron.uhabits"
         minSdkVersion 19
         targetSdkVersion 25
-
-        buildConfigField "Integer", "databaseVersion", "21"
-        buildConfigField "String", "databaseFilename", "\"uhabits.db\""
-        buildConfigField "int", "roboSdk", (System.getenv("ROBO_SDK") ?: "25")
-
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
     }
 

uhabits-android/src/main/java/org/isoron/uhabits/HabitsApplicationComponent.java

@@ -24,6 +24,7 @@ import android.content.*;
 import org.isoron.androidbase.*;
 import org.isoron.uhabits.core.*;
 import org.isoron.uhabits.core.commands.*;
+import org.isoron.uhabits.core.io.*;
 import org.isoron.uhabits.core.models.*;
 import org.isoron.uhabits.core.preferences.*;
 import org.isoron.uhabits.core.reminders.*;
@@ -32,7 +33,6 @@ import org.isoron.uhabits.core.ui.*;
 import org.isoron.uhabits.core.ui.screens.habits.list.*;
 import org.isoron.uhabits.core.utils.*;
 import org.isoron.uhabits.intents.*;
-import org.isoron.uhabits.io.*;
 import org.isoron.uhabits.sync.*;
 import org.isoron.uhabits.tasks.*;
 import org.isoron.uhabits.widgets.*;

uhabits-android/src/main/java/org/isoron/uhabits/HabitsModule.java

@@ -21,6 +21,7 @@ package org.isoron.uhabits;
 
 import org.isoron.uhabits.core.*;
 import org.isoron.uhabits.core.commands.*;
+import org.isoron.uhabits.core.database.*;
 import org.isoron.uhabits.core.models.*;
 import org.isoron.uhabits.core.models.sqlite.*;
 import org.isoron.uhabits.core.preferences.*;
@@ -86,5 +87,12 @@ public class HabitsModule
     {
         return list;
     }
+
+    @Provides
+    @AppScope
+    public DatabaseOpener getDatabaseOpener(AndroidDatabaseOpener opener)
+    {
+        return opener;
+    }
 }
 

uhabits-android/src/main/java/org/isoron/uhabits/database/AndroidDatabase.java

@@ -67,6 +67,18 @@ public class AndroidDatabase implements Database
         db.endTransaction();
     }
 
+    @Override
+    public void close()
+    {
+        db.close();
+    }
+
+    @Override
+    public int getVersion()
+    {
+        return db.getVersion();
+    }
+
     @Override
     public int update(String tableName,
                       Map<String, Object> map,

uhabits-android/src/main/java/org/isoron/uhabits/database/AndroidDatabaseOpener.java

@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2017 Álinson Santos Xavier <isoron@gmail.com>
+ *
+ * This file is part of Loop Habit Tracker.
+ *
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker 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 this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.isoron.uhabits.database;
+
+import android.content.*;
+import android.database.sqlite.*;
+import android.support.annotation.*;
+
+import org.isoron.androidbase.*;
+import org.isoron.uhabits.core.database.*;
+import org.isoron.uhabits.utils.*;
+
+import java.io.*;
+
+import javax.inject.*;
+
+public class AndroidDatabaseOpener implements DatabaseOpener
+{
+    private Context context;
+
+    @Inject
+    public AndroidDatabaseOpener(@NonNull @AppContext Context context)
+    {
+        this.context = context;
+    }
+
+    @Override
+    public Database open(@NonNull File file)
+    {
+        return new AndroidDatabase(
+            SQLiteDatabase.openDatabase(file.getAbsolutePath(), null,
+                SQLiteDatabase.OPEN_READWRITE));
+    }
+
+    @Override
+    public File getProductionDatabaseFile()
+    {
+        return DatabaseUtils.getDatabaseFile(context);
+    }
+}

uhabits-android/src/main/java/org/isoron/uhabits/tasks/ImportDataTask.java

@@ -23,8 +23,8 @@ import android.support.annotation.*;
 
 import com.google.auto.factory.*;
 
+import org.isoron.uhabits.core.io.*;
 import org.isoron.uhabits.core.tasks.*;
-import org.isoron.uhabits.io.*;
 
 import java.io.*;
 

uhabits-android/src/main/java/org/isoron/uhabits/utils/DatabaseUtils.java

@@ -25,11 +25,14 @@ import android.support.annotation.*;
 
 import org.isoron.androidbase.utils.*;
 import org.isoron.uhabits.*;
+import org.isoron.uhabits.core.*;
 import org.isoron.uhabits.core.utils.*;
 
 import java.io.*;
 import java.text.*;
 
+import static org.isoron.uhabits.core.Config.DATABASE_VERSION;
+
 public abstract class DatabaseUtils
 {
     @Nullable
@@ -72,7 +75,7 @@ public abstract class DatabaseUtils
     @NonNull
     public static String getDatabaseFilename()
     {
-        String databaseFilename = BuildConfig.databaseFilename;
+        String databaseFilename = Config.DATABASE_FILENAME;
         if (HabitsApplication.isTestMode()) databaseFilename = "test.db";
         return databaseFilename;
     }
@@ -81,7 +84,7 @@ public abstract class DatabaseUtils
     public static void initializeDatabase(Context context)
     {
         opener = new HabitsDatabaseOpener(context, getDatabaseFilename(),
-            BuildConfig.databaseVersion);
+            DATABASE_VERSION);
     }
 
     @SuppressWarnings("ResultOfMethodCallIgnored")

uhabits-core/build.gradle

@@ -17,6 +17,7 @@ dependencies {
     implementation 'com.android.support:support-annotations:25.3.1'
     implementation 'com.google.code.findbugs:jsr305:3.0.2'
     implementation 'org.apache.commons:commons-lang3:3.5'
+    implementation 'org.apache.commons:commons-io:1.3.2'
     implementation 'com.google.code.gson:gson:2.7'
 
     testImplementation 'junit:junit:4+'

uhabits-core/src/main/java/org/isoron/uhabits/core/Config.java

@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2017 Álinson Santos Xavier <isoron@gmail.com>
+ *
+ * This file is part of Loop Habit Tracker.
+ *
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker 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 this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.isoron.uhabits.core;
+
+public class Config
+{
+    public static final String DATABASE_FILENAME = "uhabits.db";
+    public static int DATABASE_VERSION = 21;
+}

uhabits-core/src/main/java/org/isoron/uhabits/core/database/Database.java

@@ -41,4 +41,8 @@ public interface Database
     void setTransactionSuccessful();
 
     void endTransaction();
+
+    void close();
+
+    int getVersion();
 }

uhabits-core/src/main/java/org/isoron/uhabits/core/database/DatabaseOpener.java

@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2017 Álinson Santos Xavier <isoron@gmail.com>
+ *
+ * This file is part of Loop Habit Tracker.
+ *
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker 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 this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.isoron.uhabits.core.database;
+
+import android.support.annotation.*;
+
+import java.io.*;
+
+public interface DatabaseOpener
+{
+    Database open(@NonNull File file);
+
+    File getProductionDatabaseFile();
+}

uhabits-core/src/main/java/org/isoron/uhabits/core/database/JdbcDatabase.java

@@ -180,4 +180,27 @@ public class JdbcDatabase implements Database
             throw new RuntimeException(e);
         }
     }
+
+    @Override
+    public void close()
+    {
+        try
+        {
+            connection.close();
+        }
+        catch (SQLException e)
+        {
+            throw new RuntimeException(e);
+        }
+    }
+
+    @Override
+    public int getVersion()
+    {
+        try (Cursor c = select("PRAGMA user_version"))
+        {
+            c.moveToNext();
+            return c.getInt(0);
+        }
+    }
 }

uhabits-core/src/main/java/org/isoron/uhabits/core/io/AbstractImporter.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+ * Copyright (C) 2017 Álinson Santos Xavier <isoron@gmail.com>
  *
  * This file is part of Loop Habit Tracker.
  *
@@ -17,7 +17,7 @@
  * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-package org.isoron.uhabits.io;
+package org.isoron.uhabits.core.io;
 
 import android.support.annotation.*;
 
@@ -50,7 +50,6 @@ public abstract class AbstractImporter
         byte[] sqliteHeader = "SQLite format 3".getBytes();
         byte[] buffer = new byte[sqliteHeader.length];
 
-
         int count = fis.read(buffer);
         if(count < sqliteHeader.length) return false;
 

uhabits-core/src/main/java/org/isoron/uhabits/core/io/GenericImporter.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+ * Copyright (C) 2017 Álinson Santos Xavier <isoron@gmail.com>
  *
  * This file is part of Loop Habit Tracker.
  *
@@ -17,7 +17,7 @@
  * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-package org.isoron.uhabits.io;
+package org.isoron.uhabits.core.io;
 
 import android.support.annotation.*;
 

uhabits-core/src/main/java/org/isoron/uhabits/core/io/HabitBullCSVImporter.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+ * Copyright (C) 2017 Álinson Santos Xavier <isoron@gmail.com>
  *
  * This file is part of Loop Habit Tracker.
  *
@@ -17,7 +17,7 @@
  * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-package org.isoron.uhabits.io;
+package org.isoron.uhabits.core.io;
 
 import android.support.annotation.*;
 
@@ -31,7 +31,6 @@ import java.util.*;
 
 import javax.inject.*;
 
-import static org.isoron.uhabits.utils.DatabaseUtils.executeAsTransaction;
 
 /**
  * Class that imports data from HabitBull CSV files.
@@ -53,17 +52,12 @@ public class HabitBullCSVImporter extends AbstractImporter
     {
         BufferedReader reader = new BufferedReader(new FileReader(file));
         String line = reader.readLine();
-
         return line.startsWith("HabitName,HabitDescription,HabitCategory");
     }
 
     @Override
-    public void importHabitsFromFile(@NonNull final File file) throws IOException
+    public void importHabitsFromFile(@NonNull final File file)
-    {
+        throws IOException
-        executeAsTransaction(() -> parseFile(file));
-    }
-
-    private void parseFile(@NonNull File file) throws IOException
     {
         CSVReader reader = new CSVReader(new FileReader(file));
         HashMap<String, Habit> map = new HashMap<>();

uhabits-core/src/main/java/org/isoron/uhabits/core/io/LoopDBImporter.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+ * Copyright (C) 2017 Álinson Santos Xavier <isoron@gmail.com>
  *
  * This file is part of Loop Habit Tracker.
  *
@@ -17,38 +17,34 @@
  * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-package org.isoron.uhabits.io;
+package org.isoron.uhabits.core.io;
 
-import android.content.*;
-import android.database.*;
-import android.database.sqlite.*;
 import android.support.annotation.*;
-import android.util.*;
 
-import org.isoron.androidbase.*;
+import org.apache.commons.io.*;
-import org.isoron.androidbase.utils.*;
+import org.isoron.uhabits.core.database.*;
-import org.isoron.uhabits.BuildConfig;
 import org.isoron.uhabits.core.models.*;
-import org.isoron.uhabits.utils.DatabaseUtils;
 
 import java.io.*;
 
 import javax.inject.*;
 
+import static org.isoron.uhabits.core.Config.DATABASE_VERSION;
+
 /**
  * Class that imports data from database files exported by Loop Habit Tracker.
  */
 public class LoopDBImporter extends AbstractImporter
 {
     @NonNull
-    private Context context;
+    private final DatabaseOpener opener;
 
     @Inject
-    public LoopDBImporter(@NonNull @AppContext Context context,
+    public LoopDBImporter(@NonNull HabitList habits,
-                          @NonNull HabitList habits)
+                          @NonNull DatabaseOpener opener)
     {
         super(habits);
-        this.context = context;
+        this.opener = opener;
     }
 
     @Override
@@ -56,26 +52,23 @@ public class LoopDBImporter extends AbstractImporter
     {
         if (!isSQLite3File(file)) return false;
 
-        SQLiteDatabase db = SQLiteDatabase.openDatabase(file.getPath(), null,
+        Database db = opener.open(file);
-            SQLiteDatabase.OPEN_READONLY);
-
         boolean canHandle = true;
 
-        Cursor c = db.rawQuery(
+        Cursor c = db.select("select count(*) from SQLITE_MASTER " +
-            "select count(*) from SQLITE_MASTER where name=? or name=?",
+                             "where name='Checkmarks' or name='Repetitions'");
-            new String[]{ "Checkmarks", "Repetitions" });
 
-        if (!c.moveToFirst() || c.getInt(0) != 2)
+        if (!c.moveToNext() || c.getInt(0) != 2)
         {
-            Log.w("LoopDBImporter", "Cannot handle file: tables not found");
+//            Log.w("LoopDBImporter", "Cannot handle file: tables not found");
             canHandle = false;
         }
 
-        if (db.getVersion() > BuildConfig.databaseVersion)
+        if (db.getVersion() > DATABASE_VERSION)
         {
-            Log.w("LoopDBImporter", String.format(
+//            Log.w("LoopDBImporter", String.format(
-                "Cannot handle file: incompatible version: %d > %d",
+//                "Cannot handle file: incompatible version: %d > %d",
-                db.getVersion(), BuildConfig.databaseVersion));
+//                db.getVersion(), DATABASE_VERSION));
             canHandle = false;
         }
 
@@ -87,9 +80,9 @@ public class LoopDBImporter extends AbstractImporter
     @Override
     public void importHabitsFromFile(@NonNull File file) throws IOException
     {
-        DatabaseUtils.dispose();
+//        DatabaseUtils.dispose();
-        File originalDB = DatabaseUtils.getDatabaseFile(context);
+        File originalDB = opener.getProductionDatabaseFile();
-        FileUtils.copy(file, originalDB);
+        FileUtils.copyFile(file, originalDB);
-        DatabaseUtils.initializeDatabase(context);
+//        DatabaseUtils.initializeDatabase(context);
     }
 }

uhabits-core/src/main/java/org/isoron/uhabits/core/io/RewireDBImporter.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+ * Copyright (C) 2017 Álinson Santos Xavier <isoron@gmail.com>
  *
  * This file is part of Loop Habit Tracker.
  *
@@ -17,14 +17,12 @@
  * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-package org.isoron.uhabits.io;
+package org.isoron.uhabits.core.io;
 
-import android.database.*;
-import android.database.sqlite.*;
 import android.support.annotation.*;
 
+import org.isoron.uhabits.core.database.*;
 import org.isoron.uhabits.core.models.*;
-import org.isoron.uhabits.utils.DatabaseUtils;
 import org.isoron.uhabits.core.utils.*;
 
 import java.io.*;
@@ -32,8 +30,6 @@ import java.util.*;
 
 import javax.inject.*;
 
-import static android.database.sqlite.SQLiteDatabase.*;
-
 /**
  * Class that imports database files exported by Rewire.
  */
@@ -41,12 +37,17 @@ public class RewireDBImporter extends AbstractImporter
 {
     private ModelFactory modelFactory;
 
+    @NonNull
+    private final DatabaseOpener opener;
+
     @Inject
     public RewireDBImporter(@NonNull HabitList habits,
-                            @NonNull ModelFactory modelFactory)
+                            @NonNull ModelFactory modelFactory,
+                            @NonNull DatabaseOpener opener)
     {
         super(habits);
         this.modelFactory = modelFactory;
+        this.opener = opener;
     }
 
     @Override
@@ -54,13 +55,11 @@ public class RewireDBImporter extends AbstractImporter
     {
         if (!isSQLite3File(file)) return false;
 
-        SQLiteDatabase db = openDatabase(file.getPath(), null, OPEN_READONLY);
+        Database db = opener.open(file);
+        Cursor c = db.select("select count(*) from SQLITE_MASTER " +
+                             "where name='CHECKINS' or name='UNIT'");
 
-        Cursor c = db.rawQuery(
+        boolean result = (c.moveToNext() && c.getInt(0) == 2);
-            "select count(*) from SQLITE_MASTER where name=? or name=?",
-            new String[]{ "CHECKINS", "UNIT" });
-
-        boolean result = (c.moveToFirst() && c.getInt(0) == 2);
 
         c.close();
         db.close();
@@ -70,56 +69,24 @@ public class RewireDBImporter extends AbstractImporter
     @Override
     public void importHabitsFromFile(@NonNull File file) throws IOException
     {
-        String path = file.getPath();
+        Database db = opener.open(file);
-        final SQLiteDatabase db = openDatabase(path, null, OPEN_READONLY);
+        db.beginTransaction();
-
+        createHabits(db);
-        DatabaseUtils.executeAsTransaction(() -> createHabits(db));
+        db.setTransactionSuccessful();
+        db.endTransaction();
         db.close();
     }
 
-    private void createCheckmarks(@NonNull SQLiteDatabase db,
+    private void createHabits(Database db)
-                                  @NonNull Habit habit,
-                                  int rewireHabitId)
     {
         Cursor c = null;
 
         try
         {
-            String[] params = { Integer.toString(rewireHabitId) };
+            c = db.select("select _id, name, description, schedule, " +
-            c = db.rawQuery(
+                          "active_days, repeating_count, days, period " +
-                "select distinct date from checkins where habit_id=? and type=2",
+                          "from habits");
-                params);
+            if (!c.moveToNext()) return;
-            if (!c.moveToFirst()) return;
-
-            do
-            {
-                String date = c.getString(0);
-                int year = Integer.parseInt(date.substring(0, 4));
-                int month = Integer.parseInt(date.substring(4, 6));
-                int day = Integer.parseInt(date.substring(6, 8));
-
-                GregorianCalendar cal = DateUtils.getStartOfTodayCalendar();
-                cal.set(year, month - 1, day);
-
-                habit.getRepetitions().toggle(cal.getTimeInMillis());
-            } while (c.moveToNext());
-        }
-        finally
-        {
-            if (c != null) c.close();
-        }
-    }
-
-    private void createHabits(SQLiteDatabase db)
-    {
-        Cursor c = null;
-
-        try
-        {
-            c = db.rawQuery(
-                "select _id, name, description, schedule, active_days, " +
-                "repeating_count, days, period from habits", new String[0]);
-            if (!c.moveToFirst()) return;
 
             do
             {
@@ -174,20 +141,51 @@ public class RewireDBImporter extends AbstractImporter
         }
     }
 
-    private void createReminder(SQLiteDatabase db,
+    private void createCheckmarks(@NonNull Database db,
-                                Habit habit,
+                                  @NonNull Habit habit,
                                   int rewireHabitId)
+    {
+        Cursor c = null;
+
+        try
+        {
+            String[] params = { Integer.toString(rewireHabitId) };
+            c = db.select(
+                "select distinct date from checkins where habit_id=? and type=2",
+                params);
+            if (!c.moveToNext()) return;
+
+            do
+            {
+                String date = c.getString(0);
+                int year = Integer.parseInt(date.substring(0, 4));
+                int month = Integer.parseInt(date.substring(4, 6));
+                int day = Integer.parseInt(date.substring(6, 8));
+
+                GregorianCalendar cal = DateUtils.getStartOfTodayCalendar();
+                cal.set(year, month - 1, day);
+
+                habit.getRepetitions().toggle(cal.getTimeInMillis());
+            } while (c.moveToNext());
+        }
+        finally
+        {
+            if (c != null) c.close();
+        }
+    }
+
+    private void createReminder(Database db, Habit habit, int rewireHabitId)
     {
         String[] params = { Integer.toString(rewireHabitId) };
         Cursor c = null;
 
         try
         {
-            c = db.rawQuery(
+            c = db.select(
                 "select time, active_days from reminders where habit_id=? limit 1",
                 params);
 
-            if (!c.moveToFirst()) return;
+            if (!c.moveToNext()) return;
             int rewireReminder = Integer.parseInt(c.getString(0));
             if (rewireReminder <= 0 || rewireReminder >= 1440) return;
 

uhabits-core/src/main/java/org/isoron/uhabits/core/io/TickmateDBImporter.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+ * Copyright (C) 2017 Álinson Santos Xavier <isoron@gmail.com>
  *
  * This file is part of Loop Habit Tracker.
  *
@@ -17,14 +17,12 @@
  * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-package org.isoron.uhabits.io;
+package org.isoron.uhabits.core.io;
 
-import android.database.*;
-import android.database.sqlite.*;
 import android.support.annotation.*;
 
+import org.isoron.uhabits.core.database.*;
 import org.isoron.uhabits.core.models.*;
-import org.isoron.uhabits.utils.DatabaseUtils;
 import org.isoron.uhabits.core.utils.*;
 
 import java.io.*;
@@ -39,12 +37,17 @@ public class TickmateDBImporter extends AbstractImporter
 {
     private ModelFactory modelFactory;
 
+    @NonNull
+    private final DatabaseOpener opener;
+
     @Inject
     public TickmateDBImporter(@NonNull HabitList habits,
-                              @NonNull ModelFactory modelFactory)
+                              @NonNull ModelFactory modelFactory,
+                              @NonNull DatabaseOpener opener)
     {
         super(habits);
         this.modelFactory = modelFactory;
+        this.opener = opener;
     }
 
     @Override
@@ -52,14 +55,11 @@ public class TickmateDBImporter extends AbstractImporter
     {
         if (!isSQLite3File(file)) return false;
 
-        SQLiteDatabase db = SQLiteDatabase.openDatabase(file.getPath(), null,
+        Database db = opener.open(file);
-            SQLiteDatabase.OPEN_READONLY);
+        Cursor c = db.select("select count(*) from SQLITE_MASTER " +
-
+                             "where name='tracks' or name='track2groups'");
-        Cursor c = db.rawQuery(
-            "select count(*) from SQLITE_MASTER where name=? or name=?",
-            new String[]{"tracks", "track2groups"});
 
-        boolean result = (c.moveToFirst() && c.getInt(0) == 2);
+        boolean result = (c.moveToNext() && c.getInt(0) == 2);
 
         c.close();
         db.close();
@@ -69,15 +69,15 @@ public class TickmateDBImporter extends AbstractImporter
     @Override
     public void importHabitsFromFile(@NonNull File file) throws IOException
     {
-        final SQLiteDatabase db =
+        final Database db = opener.open(file);
-            SQLiteDatabase.openDatabase(file.getPath(), null,
+        db.beginTransaction();
-                SQLiteDatabase.OPEN_READONLY);
+        createHabits(db);
-
+        db.setTransactionSuccessful();
-        DatabaseUtils.executeAsTransaction(() -> createHabits(db));
+        db.endTransaction();
         db.close();
     }
 
-    private void createCheckmarks(@NonNull SQLiteDatabase db,
+    private void createCheckmarks(@NonNull Database db,
                                   @NonNull Habit habit,
                                   int tickmateTrackId)
     {
@@ -86,10 +86,10 @@ public class TickmateDBImporter extends AbstractImporter
         try
         {
             String[] params = {Integer.toString(tickmateTrackId)};
-            c = db.rawQuery(
+            c = db.select(
                 "select distinct year, month, day from ticks where _track_id=?",
                 params);
-            if (!c.moveToFirst()) return;
+            if (!c.moveToNext()) return;
 
             do
             {
@@ -109,15 +109,15 @@ public class TickmateDBImporter extends AbstractImporter
         }
     }
 
-    private void createHabits(SQLiteDatabase db)
+    private void createHabits(Database db)
     {
         Cursor c = null;
 
         try
         {
-            c = db.rawQuery("select _id, name, description from tracks",
+            c = db.select("select _id, name, description from tracks",
                 new String[0]);
-            if (!c.moveToFirst()) return;
+            if (!c.moveToNext()) return;
 
             do
             {

uhabits-core/src/main/java/org/isoron/uhabits/core/io/package-info.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+ * Copyright (C) 2017 Álinson Santos Xavier <isoron@gmail.com>
  *
  * This file is part of Loop Habit Tracker.
  *
@@ -20,4 +20,4 @@
 /**
  * Provides classes that deal with importing from and exporting to files.
  */
-package org.isoron.uhabits.io;
+package org.isoron.uhabits.core.io;

uhabits-core/src/test/java/org/isoron/uhabits/BaseUnitTest.java

@@ -66,7 +66,7 @@ public class BaseUnitTest
     }
 
     @After
-    public void tearDown()
+    public void tearDown() throws Exception
     {
         validateMockitoUsage();
         DateUtils.setFixedLocalTime(null);

uhabits-core/src/test/java/org/isoron/uhabits/core/io/HabitsCSVExporterTest.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+ * Copyright (C) 2017 Álinson Santos Xavier <isoron@gmail.com>
  *
  * This file is part of Loop Habit Tracker.
  *
@@ -17,41 +17,40 @@
  * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-package org.isoron.uhabits.io;
+package org.isoron.uhabits.core.io;
 
-import android.content.*;
+import org.apache.commons.io.*;
-import android.support.test.*;
-import android.support.test.runner.*;
-import android.test.suitebuilder.annotation.*;
-
-import org.isoron.androidbase.utils.*;
 import org.isoron.uhabits.*;
-import org.isoron.uhabits.core.io.*;
 import org.isoron.uhabits.core.models.*;
 import org.junit.*;
-import org.junit.runner.*;
 
 import java.io.*;
+import java.nio.file.*;
 import java.util.*;
 import java.util.zip.*;
 
-@RunWith(AndroidJUnit4.class)
+import static org.junit.Assert.assertNotNull;
-@MediumTest
+import static org.junit.Assert.assertTrue;
-public class HabitsCSVExporterTest extends BaseAndroidTest
+
+public class HabitsCSVExporterTest extends BaseUnitTest
 {
     private File baseDir;
 
     @Before
-    public void setUp()
+    public void setUp() throws Exception
     {
         super.setUp();
+        habitList.add(fixtures.createShortHabit());
+        habitList.add(fixtures.createEmptyHabit());
+        baseDir = Files.createTempDirectory("csv").toFile();
+        assertNotNull(baseDir);
+    }
 
-        fixtures.purgeHabits(habitList);
+    @Override
-        fixtures.createShortHabit();
+    public void tearDown() throws Exception
-        fixtures.createEmptyHabit();
+    {
-
+        FileUtils.deleteDirectory(baseDir);
-        Context targetContext = InstrumentationRegistry.getTargetContext();
+        super.tearDown();
-        baseDir = targetContext.getCacheDir();
     }
 
     @Test
@@ -78,20 +77,6 @@ public class HabitsCSVExporterTest extends BaseAndroidTest
         assertPathExists("Scores.csv");
     }
 
-    private void assertAbsolutePathExists(String s)
-    {
-        File file = new File(s);
-        assertTrue(
-            String.format("File %s should exist", file.getAbsolutePath()),
-            file.exists());
-    }
-
-    private void assertPathExists(String s)
-    {
-        assertAbsolutePathExists(
-            String.format("%s/%s", baseDir.getAbsolutePath(), s));
-    }
-
     private void unzip(File file) throws IOException
     {
         ZipFile zip = new ZipFile(file);
@@ -105,14 +90,27 @@ public class HabitsCSVExporterTest extends BaseAndroidTest
             String outputFilename =
                 String.format("%s/%s", baseDir.getAbsolutePath(),
                     entry.getName());
-            File outputFile = new File(outputFilename);
+            File out = new File(outputFilename);
-
+            File parent = out.getParentFile();
-            File parent = outputFile.getParentFile();
             if (parent != null) parent.mkdirs();
 
-            FileUtils.copy(stream, outputFile);
+            IOUtils.copy(stream, new FileOutputStream(out));
         }
 
         zip.close();
     }
+
+    private void assertPathExists(String s)
+    {
+        assertAbsolutePathExists(
+            String.format("%s/%s", baseDir.getAbsolutePath(), s));
+    }
+
+    private void assertAbsolutePathExists(String s)
+    {
+        File file = new File(s);
+        assertTrue(
+            String.format("File %s should exist", file.getAbsolutePath()),
+            file.exists());
+    }
 }

uhabits-core/src/test/java/org/isoron/uhabits/core/io/ImportTest.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+ * Copyright (C) 2017 Álinson Santos Xavier <isoron@gmail.com>
  *
  * This file is part of Loop Habit Tracker.
  *
@@ -17,40 +17,37 @@
  * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-package org.isoron.uhabits.io;
+package org.isoron.uhabits.core.io;
 
-import android.content.*;
+import android.support.annotation.*;
-import android.support.test.*;
-import android.support.test.runner.*;
-import android.test.suitebuilder.annotation.*;
 
-import org.isoron.androidbase.utils.*;
+import org.apache.commons.io.*;
 import org.isoron.uhabits.*;
+import org.isoron.uhabits.core.database.*;
 import org.isoron.uhabits.core.models.*;
 import org.isoron.uhabits.core.utils.*;
 import org.junit.*;
-import org.junit.runner.*;
 
 import java.io.*;
+import java.sql.*;
 import java.util.*;
 
-import static org.hamcrest.CoreMatchers.*;
+import sun.reflect.generics.reflectiveObjects.*;
-import static org.junit.Assert.*;
 
-@RunWith(AndroidJUnit4.class)
+import static junit.framework.TestCase.assertFalse;
-@MediumTest
+import static org.hamcrest.MatcherAssert.*;
-public class ImportTest extends BaseAndroidTest
+import static org.hamcrest.core.IsEqual.*;
-{
+import static org.isoron.uhabits.core.models.Frequency.THREE_TIMES_PER_WEEK;
-    private Context context;
+import static org.junit.Assert.assertTrue;
 
+public class ImportTest extends BaseUnitTest
+{
     @Override
     @Before
-    public void setUp()
+    public void setUp() throws Exception
     {
         super.setUp();
         DateUtils.setFixedLocalTime(null);
-        fixtures.purgeHabits(habitList);
-        context = InstrumentationRegistry.getInstrumentation().getContext();
     }
 
     @Test
@@ -78,8 +75,7 @@ public class ImportTest extends BaseAndroidTest
 
         Habit habit = habitList.getByPosition(0);
         assertThat(habit.getName(), equalTo("Wake up early"));
-        assertThat(habit.getFrequency(),
+        assertThat(habit.getFrequency(), equalTo(THREE_TIMES_PER_WEEK));
-            equalTo(Frequency.THREE_TIMES_PER_WEEK));
         assertTrue(containsRepetition(habit, 2016, 3, 14));
         assertTrue(containsRepetition(habit, 2016, 3, 16));
         assertFalse(containsRepetition(habit, 2016, 3, 17));
@@ -94,8 +90,7 @@ public class ImportTest extends BaseAndroidTest
 
         Habit habit = habitList.getByPosition(0);
         assertThat(habit.getName(), equalTo("Wake up early"));
-        assertThat(habit.getFrequency(),
+        assertThat(habit.getFrequency(), equalTo(THREE_TIMES_PER_WEEK));
-            equalTo(Frequency.THREE_TIMES_PER_WEEK));
         assertFalse(habit.hasReminder());
         assertFalse(containsRepetition(habit, 2015, 12, 31));
         assertTrue(containsRepetition(habit, 2016, 1, 18));
@@ -104,8 +99,7 @@ public class ImportTest extends BaseAndroidTest
 
         habit = habitList.getByPosition(1);
         assertThat(habit.getName(), equalTo("brush teeth"));
-        assertThat(habit.getFrequency(),
+        assertThat(habit.getFrequency(), equalTo(THREE_TIMES_PER_WEEK));
-            equalTo(Frequency.THREE_TIMES_PER_WEEK));
         assertThat(habit.hasReminder(), equalTo(true));
 
         Reminder reminder = habit.getReminder();
@@ -139,8 +133,13 @@ public class ImportTest extends BaseAndroidTest
 
     private void copyAssetToFile(String assetPath, File dst) throws IOException
     {
-        InputStream in = context.getAssets().open(assetPath);
+        InputStream in = getClass().getResourceAsStream(assetPath);
-        FileUtils.copy(in, dst);
+        if(in == null) {
+            File file = new File("uhabits-core/src/test/resources/" + assetPath);
+            if(file.exists()) in = new FileInputStream(file);
+        }
+
+        IOUtils.copy(in, new FileOutputStream(dst));
     }
 
     private void importFromFile(String assetFilename) throws IOException
@@ -150,9 +149,34 @@ public class ImportTest extends BaseAndroidTest
         assertTrue(file.exists());
         assertTrue(file.canRead());
 
-        GenericImporter importer = component.getGenericImporter();
+        DatabaseOpener opener = new DatabaseOpener() {
-        assertThat(importer.canHandle(file), is(true));
+            @Override
+            public Database open(@NonNull File file)
+            {
+                try
+                {
+                    return new JdbcDatabase(DriverManager.getConnection(
+                        String.format("jdbc:sqlite:%s", file.getAbsolutePath())));
+                }
+                catch (SQLException e)
+                {
+                    throw new RuntimeException(e);
+                }
+            }
 
+            @Override
+            public File getProductionDatabaseFile()
+            {
+                throw new NotImplementedException();
+            }
+        };
+        GenericImporter importer = new GenericImporter(habitList,
+            new LoopDBImporter(habitList, opener),
+            new RewireDBImporter(habitList, modelFactory, opener),
+            new TickmateDBImporter(habitList, modelFactory, opener),
+            new HabitBullCSVImporter(habitList, modelFactory));
+
+        assertTrue(importer.canHandle(file));
         importer.importHabitsFromFile(file);
 
         file.delete();

uhabits-core/src/test/java/org/isoron/uhabits/core/models/RepetitionListTest.java

@@ -74,7 +74,7 @@ public class RepetitionListTest extends BaseUnitTest
 
     @Override
     @After
-    public void tearDown()
+    public void tearDown() throws Exception
     {
         super.tearDown();
     }

uhabits-core/src/test/java/org/isoron/uhabits/core/models/sqlite/SQLiteHabitListTest.java

@@ -74,7 +74,7 @@ public class SQLiteHabitListTest extends BaseUnitTest
     }
 
     @Override
-    public void tearDown()
+    public void tearDown() throws Exception
     {
         habitList.getObservable().removeListener(listener);
         super.tearDown();

uhabits-core/src/test/java/org/isoron/uhabits/core/models/sqlite/records/RepetitionRecordTest.java

@@ -23,7 +23,6 @@ package org.isoron.uhabits.core.models.sqlite.records;
 
 import org.isoron.uhabits.*;
 import org.isoron.uhabits.core.models.*;
-import org.isoron.uhabits.core.models.sqlite.records.*;
 import org.junit.*;
 
 import static org.hamcrest.MatcherAssert.assertThat;