mobile/android/base/db/PerProfileDatabases.java

Wed, 31 Dec 2014 07:22:50 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 07:22:50 +0100
branch
TOR_BUG_3246
changeset 4
fc2d59ddac77
permissions
-rw-r--r--

Correct previous dual key logic pending first delivery installment.

michael@0 1 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 2 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 4
michael@0 5 package org.mozilla.gecko.db;
michael@0 6
michael@0 7 import java.io.File;
michael@0 8 import java.util.HashMap;
michael@0 9
michael@0 10 import org.mozilla.gecko.GeckoProfile;
michael@0 11
michael@0 12 import android.content.Context;
michael@0 13 import android.database.sqlite.SQLiteOpenHelper;
michael@0 14 import android.text.TextUtils;
michael@0 15
michael@0 16 /**
michael@0 17 * Manages a set of per-profile database storage helpers.
michael@0 18 */
michael@0 19 public class PerProfileDatabases<T extends SQLiteOpenHelper> {
michael@0 20
michael@0 21 private final HashMap<String, T> mStorages = new HashMap<String, T>();
michael@0 22
michael@0 23 private final Context mContext;
michael@0 24 private final String mDatabaseName;
michael@0 25 private final DatabaseHelperFactory<T> mHelperFactory;
michael@0 26
michael@0 27 public interface DatabaseHelperFactory<T> {
michael@0 28 public T makeDatabaseHelper(Context context, String databasePath);
michael@0 29 }
michael@0 30
michael@0 31 public PerProfileDatabases(final Context context, final String databaseName, final DatabaseHelperFactory<T> helperFactory) {
michael@0 32 mContext = context;
michael@0 33 mDatabaseName = databaseName;
michael@0 34 mHelperFactory = helperFactory;
michael@0 35 }
michael@0 36
michael@0 37 public String getDatabasePathForProfile(String profile) {
michael@0 38 final File profileDir = GeckoProfile.get(mContext, profile).getDir();
michael@0 39 if (profileDir == null) {
michael@0 40 return null;
michael@0 41 }
michael@0 42
michael@0 43 return new File(profileDir, mDatabaseName).getAbsolutePath();
michael@0 44 }
michael@0 45
michael@0 46 public T getDatabaseHelperForProfile(String profile) {
michael@0 47 return getDatabaseHelperForProfile(profile, false);
michael@0 48 }
michael@0 49
michael@0 50 public T getDatabaseHelperForProfile(String profile, boolean isTest) {
michael@0 51 // Always fall back to default profile if none has been provided.
michael@0 52 if (TextUtils.isEmpty(profile)) {
michael@0 53 profile = GeckoProfile.get(mContext).getName();
michael@0 54 }
michael@0 55
michael@0 56 synchronized (this) {
michael@0 57 if (mStorages.containsKey(profile)) {
michael@0 58 return mStorages.get(profile);
michael@0 59 }
michael@0 60
michael@0 61 final String databasePath = isTest ? mDatabaseName : getDatabasePathForProfile(profile);
michael@0 62 if (databasePath == null) {
michael@0 63 throw new IllegalStateException("Database path is null for profile: " + profile);
michael@0 64 }
michael@0 65
michael@0 66 final T helper = mHelperFactory.makeDatabaseHelper(mContext, databasePath);
michael@0 67 DBUtils.ensureDatabaseIsNotLocked(helper, databasePath);
michael@0 68
michael@0 69 mStorages.put(profile, helper);
michael@0 70 return helper;
michael@0 71 }
michael@0 72 }
michael@0 73 }

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