X-Git-Url: https://git.ktnx.net/?p=mobile-ledger.git;a=blobdiff_plain;f=app%2Fsrc%2Fmain%2Fjava%2Fnet%2Fktnx%2Fmobileledger%2Futils%2FMLDB.java;h=e769be4e8de61ae08491e5e69d42ee7c60a7495f;hp=832d57d759da8ea2b6457170ceec7392d9682fc1;hb=90383a155ec16a9f13b1e6ac94a118033e09b3aa;hpb=d45f5704a4eb4acceb85d46a2ed23bd62623e10b diff --git a/app/src/main/java/net/ktnx/mobileledger/utils/MLDB.java b/app/src/main/java/net/ktnx/mobileledger/utils/MLDB.java index 832d57d7..e769be4e 100644 --- a/app/src/main/java/net/ktnx/mobileledger/utils/MLDB.java +++ b/app/src/main/java/net/ktnx/mobileledger/utils/MLDB.java @@ -18,23 +18,19 @@ package net.ktnx.mobileledger.utils; import android.annotation.TargetApi; -import android.app.Application; import android.content.Context; -import android.content.res.Resources; import android.database.Cursor; import android.database.MatrixCursor; -import android.database.SQLException; import android.database.sqlite.SQLiteDatabase; -import android.database.sqlite.SQLiteOpenHelper; import android.os.AsyncTask; import android.os.Build; import android.provider.FontsContract; -import android.util.Log; import android.view.View; import android.widget.AutoCompleteTextView; import android.widget.FilterQueryProvider; import android.widget.SimpleCursorAdapter; +import net.ktnx.mobileledger.App; import net.ktnx.mobileledger.async.DbOpQueue; import net.ktnx.mobileledger.async.DescriptionSelectedCallback; import net.ktnx.mobileledger.model.Data; @@ -42,10 +38,6 @@ import net.ktnx.mobileledger.model.MobileLedgerProfile; import org.jetbrains.annotations.NonNls; -import java.io.BufferedReader; -import java.io.IOException; -import java.io.InputStream; -import java.io.InputStreamReader; import java.util.Locale; import static net.ktnx.mobileledger.utils.Logger.debug; @@ -57,22 +49,6 @@ public final class MLDB { @NonNls public static final String OPT_PROFILE_UUID = "profile_uuid"; private static final String NO_PROFILE = "-"; - private static MobileLedgerDatabase dbHelper; - private static Application context; - private static void checkState() { - if (context == null) - throw new IllegalStateException("First call init with a valid context"); - } - public static SQLiteDatabase getDatabase() { - checkState(); - - SQLiteDatabase db; - - db = dbHelper.getWritableDatabase(); - - db.execSQL("pragma case_sensitive_like=ON;"); - return db; - } @SuppressWarnings("unused") static public int getIntOption(String name, int default_value) { String s = getOption(name, String.valueOf(default_value)); @@ -99,7 +75,7 @@ public final class MLDB { AsyncTask t = new AsyncTask() { @Override protected String doInBackground(Void... params) { - SQLiteDatabase db = getDatabase(); + SQLiteDatabase db = App.getDatabase(); try (Cursor cursor = db .rawQuery("select value from options where profile = ? and name=?", new String[]{NO_PROFILE, name})) @@ -129,7 +105,7 @@ public final class MLDB { } static public String getOption(String name, String default_value) { debug("db", "about to fetch option " + name); - SQLiteDatabase db = getDatabase(); + SQLiteDatabase db = App.getDatabase(); try (Cursor cursor = db.rawQuery("select value from options where profile = ? and name=?", new String[]{NO_PROFILE, name})) { @@ -207,7 +183,7 @@ public final class MLDB { params = new String[]{str, str, str, str}; } debug("autocompletion", sql); - SQLiteDatabase db = MLDB.getDatabase(); + SQLiteDatabase db = App.getDatabase(); try (Cursor matches = db.rawQuery(sql, params)) { int i = 0; @@ -237,92 +213,5 @@ public final class MLDB { }); } } - public static synchronized void init(Application context) { - MLDB.context = context; - if (dbHelper != null) - throw new IllegalStateException("It appears init() was already called"); - dbHelper = new MobileLedgerDatabase(context); - } - public static synchronized void done() { - if (dbHelper != null) { - debug("db", "Closing DB helper"); - dbHelper.close(); - dbHelper = null; - } - } } -class MobileLedgerDatabase extends SQLiteOpenHelper { - private static final String DB_NAME = "MoLe.db"; - private static final int LATEST_REVISION = 22; - private static final String CREATE_DB_SQL = "create_db"; - - private final Application mContext; - - MobileLedgerDatabase(Application context) { - super(context, DB_NAME, null, LATEST_REVISION); - debug("db", "creating helper instance"); - mContext = context; - super.setWriteAheadLoggingEnabled(true); - } - - @Override - public void onCreate(SQLiteDatabase db) { - debug("db", "onCreate called"); - applyRevisionFile(db, CREATE_DB_SQL); - } - - @Override - public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) { - debug("db", "onUpgrade called"); - for (int i = oldVersion + 1; i <= newVersion; i++) applyRevision(db, i); - } - - private void applyRevision(SQLiteDatabase db, int rev_no) { - String rev_file = String.format(Locale.US, "sql_%d", rev_no); - - applyRevisionFile(db, rev_file); - } - private void applyRevisionFile(SQLiteDatabase db, String rev_file) { - final Resources rm = mContext.getResources(); - int res_id = rm.getIdentifier(rev_file, "raw", mContext.getPackageName()); - if (res_id == 0) - throw new SQLException(String.format(Locale.US, "No resource for %s", rev_file)); - db.beginTransaction(); - try (InputStream res = rm.openRawResource(res_id)) { - debug("db", "Applying " + rev_file); - InputStreamReader isr = new InputStreamReader(res); - BufferedReader reader = new BufferedReader(isr); - - String line; - int line_no = 1; - while ((line = reader.readLine()) != null) { - if (line.startsWith("--")) { - line_no++; - continue; - } - if (line.isEmpty()) { - line_no++; - continue; - } - try { - db.execSQL(line); - } - catch (Exception e) { - throw new RuntimeException( - String.format("Error applying %s, line %d", rev_file, line_no), e); - } - line_no++; - } - - db.setTransactionSuccessful(); - } - catch (IOException e) { - Log.e("db", String.format("Error opening raw resource for %s", rev_file)); - e.printStackTrace(); - } - finally { - db.endTransaction(); - } - } -}