[Sync] Move //sync to //components/sync.

sync/android/java/src/org/chromium/sync/notifier/InvalidationIntentProtocol.java

-// 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.sync.notifier;
-
-import android.accounts.Account;
-import android.content.Intent;
-
-import com.google.ipc.invalidation.external.client.types.ObjectId;
-import com.google.protos.ipc.invalidation.Types;
-
-import org.chromium.base.CollectionUtil;
-import org.chromium.sync.ModelTypeHelper;
-
-import java.util.ArrayList;
-import java.util.HashSet;
-import java.util.Set;
-
-/**
- * Constants and utility methods to create the intents used to communicate between the
- * controller and the invalidation client library.
- */
-public class InvalidationIntentProtocol {
-    /**
-     * Action set on register intents.
-     */
-    public static final String ACTION_REGISTER =
-            "org.chromium.sync.notifier.ACTION_REGISTER_TYPES";
-
-    /**
-     * Parcelable-valued intent extra containing the account of the user.
-     */
-    public static final String EXTRA_ACCOUNT = "account";
-
-    /**
-     * String-list-valued intent extra of the syncable types to sync.
-     */
-    public static final String EXTRA_REGISTERED_TYPES = "registered_types";
-
-    /**
-     * Int-array-valued intent extra containing sources of objects to register for.
-     * The array is parallel to EXTRA_REGISTERED_OBJECT_NAMES.
-     */
-    public static final String EXTRA_REGISTERED_OBJECT_SOURCES = "registered_object_sources";
-
-    /**
-     * String-array-valued intent extra containing names of objects to register for.
-     * The array is parallel to EXTRA_REGISTERED_OBJECT_SOURCES.
-     */
-    public static final String EXTRA_REGISTERED_OBJECT_NAMES = "registered_object_names";
-
-    /**
-     * Boolean-valued intent extra indicating that the service should be stopped.
-     */
-    public static final String EXTRA_STOP = "stop";
-
-    /**
-     * Create an Intent that will start the invalidation listener service and
-     * register for the specified types.
-     */
-    public static Intent createRegisterIntent(Account account, Set<Integer> types) {
-        Intent registerIntent = new Intent(ACTION_REGISTER);
-        String[] selectedTypesArray = new String[types.size()];
-        int pos = 0;
-        for (Integer type : types) {
-            selectedTypesArray[pos++] = ModelTypeHelper.toNotificationType(type);
-        }
-        registerIntent.putStringArrayListExtra(EXTRA_REGISTERED_TYPES,
-                CollectionUtil.newArrayList(selectedTypesArray));
-        registerIntent.putExtra(EXTRA_ACCOUNT, account);
-        return registerIntent;
-    }
-
-    /**
-     * Create an Intent that will start the invalidation listener service and
-     * register for the object ids with the specified sources and names.
-     * Sync-specific objects are filtered out of the request since Sync types
-     * are registered using the other version of createRegisterIntent.
-     */
-    public static Intent createRegisterIntent(Account account, int[] objectSources,
-            String[] objectNames) {
-        if (objectSources.length != objectNames.length) {
-            throw new IllegalArgumentException(
-                    "objectSources and objectNames must have the same length");
-        }
-
-        // Add all non-Sync objects to new lists.
-        ArrayList<Integer> sources = new ArrayList<Integer>();
-        ArrayList<String> names = new ArrayList<String>();
-        for (int i = 0; i < objectSources.length; i++) {
-            if (objectSources[i] != Types.ObjectSource.CHROME_SYNC) {
-                sources.add(objectSources[i]);
-                names.add(objectNames[i]);
-            }
-        }
-
-        Intent registerIntent = new Intent(ACTION_REGISTER);
-        registerIntent.putIntegerArrayListExtra(EXTRA_REGISTERED_OBJECT_SOURCES, sources);
-        registerIntent.putStringArrayListExtra(EXTRA_REGISTERED_OBJECT_NAMES, names);
-        registerIntent.putExtra(EXTRA_ACCOUNT, account);
-        return registerIntent;
-    }
-
-    /** Returns whether {@code intent} is a stop intent. */
-    public static boolean isStop(Intent intent) {
-        return intent.getBooleanExtra(EXTRA_STOP, false);
-    }
-
-    /** Returns whether {@code intent} is a registered types change intent. */
-    public static boolean isRegisteredTypesChange(Intent intent) {
-        return intent.hasExtra(EXTRA_REGISTERED_TYPES)
-                || intent.hasExtra(EXTRA_REGISTERED_OBJECT_SOURCES);
-    }
-
-    /** Returns the object ids for which to register contained in the intent. */
-    public static Set<ObjectId> getRegisteredObjectIds(Intent intent) {
-        ArrayList<Integer> objectSources =
-                intent.getIntegerArrayListExtra(EXTRA_REGISTERED_OBJECT_SOURCES);
-        ArrayList<String> objectNames =
-                intent.getStringArrayListExtra(EXTRA_REGISTERED_OBJECT_NAMES);
-        if (objectSources == null || objectNames == null
-                || objectSources.size() != objectNames.size()) {
-            return null;
-        }
-        Set<ObjectId> objectIds = new HashSet<ObjectId>(objectSources.size());
-        for (int i = 0; i < objectSources.size(); i++) {
-            objectIds.add(ObjectId.newInstance(
-                    objectSources.get(i), objectNames.get(i).getBytes()));
-        }
-        return objectIds;
-    }
-
-    private InvalidationIntentProtocol() {
-        // Disallow instantiation.
-    }
-}