CustomDatabaseContext.java

package de.blau.android.util;

import java.io.File;

import android.content.Context;
import android.content.ContextWrapper;
import android.database.DatabaseErrorHandler;
import android.database.sqlite.SQLiteDatabase;
import android.util.Log;

/**
 * From
 * http://stackoverflow.com/questions/5332328/sqliteopenhelper-problem-with-
 * fully-qualified-db-path-name
 * 
 *
 */
public class CustomDatabaseContext extends ContextWrapper {

	private static final String DEBUG_CONTEXT = "DatabaseContext";

	private final String path;

	public CustomDatabaseContext(Context base, String path) {
		super(base);
		this.path = path;
	}

	@Override
	public File getDatabasePath(String name) {
		String dbfile = path + File.separator + "databases" + File.separator + name;
		if (!dbfile.endsWith(".db")) {
			dbfile += ".db";
		}

		File result = new File(dbfile);

		if (!result.getParentFile().exists()) {
			//noinspection ResultOfMethodCallIgnored
			result.getParentFile().mkdirs();
		}

		if (Log.isLoggable(DEBUG_CONTEXT, Log.WARN)) {
			Log.w(DEBUG_CONTEXT, "getDatabasePath(" + name + ") = " + result.getAbsolutePath());
		}

		return result;
	}

	/*
	 * this version is called for android devices >= api-11. thank to @damccull
	 * for fixing this.
	 */
	@Override
	public SQLiteDatabase openOrCreateDatabase(String name, int mode, SQLiteDatabase.CursorFactory factory,
			DatabaseErrorHandler errorHandler) {
		return openOrCreateDatabase(name, mode, factory);
	}

	/* this version is called for android devices < api-11 */
	@Override
	public SQLiteDatabase openOrCreateDatabase(String name, int mode, SQLiteDatabase.CursorFactory factory) {
		SQLiteDatabase result = SQLiteDatabase.openOrCreateDatabase(getDatabasePath(name), factory);
		// SQLiteDatabase result = super.openOrCreateDatabase(name, mode,
		// factory);
		if (Log.isLoggable(DEBUG_CONTEXT, Log.WARN)) {
			Log.w(DEBUG_CONTEXT, "openOrCreateDatabase(" + name + ",,) = " + result.getPath());
		}
		return result;
	}
}