diff options
Diffstat (limited to 'src/com/android/dialer/filterednumber/BlockedNumbersMigrator.java')
-rw-r--r-- | src/com/android/dialer/filterednumber/BlockedNumbersMigrator.java | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/src/com/android/dialer/filterednumber/BlockedNumbersMigrator.java b/src/com/android/dialer/filterednumber/BlockedNumbersMigrator.java new file mode 100644 index 000000000..de201d98a --- /dev/null +++ b/src/com/android/dialer/filterednumber/BlockedNumbersMigrator.java @@ -0,0 +1,121 @@ +/* + * Copyright (C) 2015 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.android.dialer.filterednumber; + +import com.google.common.base.Preconditions; + +import android.content.ContentResolver; +import android.content.ContentValues; +import android.database.Cursor; +import android.os.AsyncTask; +import android.support.annotation.Nullable; + +import com.android.dialer.compat.BlockedNumbersSdkCompat; +import com.android.dialer.compat.FilteredNumberCompat; +import com.android.dialer.database.FilteredNumberContract; +import com.android.dialer.database.FilteredNumberContract.FilteredNumber; +import com.android.dialer.database.FilteredNumberContract.FilteredNumberColumns; + +/** + * Class which should be used to migrate numbers from {@link FilteredNumberContract} blocking to + * {@link android.provider.BlockedNumberContract} blocking. + */ +public class BlockedNumbersMigrator { + + /** + * Listener for the operation to migrate from {@link FilteredNumberContract} blocking to + * {@link android.provider.BlockedNumberContract} blocking. + */ + public interface Listener { + + /** + * Called when the migration operation is finished. + */ + void onComplete(); + } + + private final ContentResolver mContentResolver; + + /** + * Creates a new BlockedNumbersMigrate, using the given {@link ContentResolver} to perform + * queries against the blocked numbers tables. + * + * @param contentResolver The ContentResolver + * @throws NullPointerException if contentResolver is null + */ + public BlockedNumbersMigrator(ContentResolver contentResolver) { + mContentResolver = Preconditions.checkNotNull(contentResolver); + } + + /** + * Copies all of the numbers in the {@link FilteredNumberContract} block list to the + * {@link android.provider.BlockedNumberContract} block list. + * + * @param listener {@link Listener} called once the migration is complete. + * @return {@code true} if the migrate can be attempted, {@code false} otherwise. + * @throws NullPointerException if listener is null + */ + public boolean migrate(final Listener listener) { + if (!FilteredNumberCompat.canUseNewFiltering()) { + return false; + } + Preconditions.checkNotNull(listener); + new AsyncTask<Void, Void, Boolean>() { + @Override + protected Boolean doInBackground(Void... params) { + return migrateToNewBlockingInBackground(mContentResolver); + } + + @Override + protected void onPostExecute(Boolean isSuccessful) { + FilteredNumberCompat.setHasMigratedToNewBlocking(isSuccessful); + listener.onComplete(); + } + }.execute(); + return true; + } + + private static boolean migrateToNewBlockingInBackground(ContentResolver resolver) { + try (Cursor cursor = resolver.query(FilteredNumber.CONTENT_URI, + new String[]{FilteredNumberColumns.NUMBER}, null, null, null)) { + if (cursor == null) { + return false; + } + + while (cursor.moveToNext()) { + String originalNumber = cursor + .getString(cursor.getColumnIndex(FilteredNumberColumns.NUMBER)); + if (isNumberInNewBlocking(resolver, originalNumber)) { + continue; + } + ContentValues values = new ContentValues(); + values.put(BlockedNumbersSdkCompat.COLUMN_ORIGINAL_NUMBER, originalNumber); + resolver.insert(BlockedNumbersSdkCompat.CONTENT_URI, values); + } + return true; + } + } + + private static boolean isNumberInNewBlocking(ContentResolver resolver, String originalNumber) { + try (Cursor cursor = resolver.query(BlockedNumbersSdkCompat.CONTENT_URI, + new String[]{BlockedNumbersSdkCompat._ID}, + BlockedNumbersSdkCompat.COLUMN_ORIGINAL_NUMBER + " = ?", + new String[] {originalNumber}, null)) { + return cursor != null && cursor.getCount() != 0; + } + } +} |