blob: d79b8ae23cbf65fef6928b8e9f572b462ea7c6e8 [file] [log] [blame]
// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
package org.chromium.chrome.browser.invalidation;
import android.content.Context;
import org.chromium.chrome.browser.identity.UniqueIdentificationGenerator;
import org.chromium.chrome.browser.identity.UuidBasedUniqueIdentificationGenerator;
import org.chromium.sync.notifier.InvalidationClientNameGenerator;
import org.chromium.sync.notifier.InvalidationClientNameProvider;
/**
* An InvalidationClientNameGenerator that wraps an UniqueIdentificationGenerator.
*
* If the right kind of UniqueIdentificationGenerator is provided, then this will produce IDs that
* are unique and consistent across restarts.
*/
public class UniqueIdInvalidationClientNameGenerator implements InvalidationClientNameGenerator {
// Pref key to use for UUID-based generator.
private static final String INVALIDATIONS_UUID_PREF_KEY = "chromium.invalidations.uuid";
/**
* Called during early init to make this InvalidationClientNameGenerator the default.
*
* This should be called very early during initialization to setup the invalidaiton client name.
*/
public static void doInitializeAndInstallGenerator(Context context) {
UniqueIdentificationGenerator idGenerator =
new UuidBasedUniqueIdentificationGenerator(
context, INVALIDATIONS_UUID_PREF_KEY);
InvalidationClientNameGenerator clientNameGenerator =
new UniqueIdInvalidationClientNameGenerator(idGenerator);
InvalidationClientNameProvider.get().setPreferredClientNameGenerator(clientNameGenerator);
}
private final UniqueIdentificationGenerator mGenerator;
UniqueIdInvalidationClientNameGenerator(UniqueIdentificationGenerator generator) {
mGenerator = generator;
}
@Override
public byte[] generateInvalidatorClientName() {
return mGenerator.getUniqueId(null).getBytes();
}
}