| /* |
| * Copyright (C) 2018 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.calllog.database; |
| |
| import android.content.ContentValues; |
| import android.provider.CallLog.Calls; |
| import android.support.annotation.IntDef; |
| import com.android.dialer.calllog.database.contract.AnnotatedCallLogContract.AnnotatedCallLog; |
| import com.android.dialer.common.Assert; |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.util.function.Predicate; |
| |
| /** Constraints for columns in the {@link AnnotatedCallLog}. */ |
| final class AnnotatedCallLogConstraints { |
| |
| /** Type of operation the {@link ContentValues} to be checked is used for. */ |
| @Retention(RetentionPolicy.SOURCE) |
| @IntDef({Operation.INSERT, Operation.UPDATE}) |
| @interface Operation { |
| int INSERT = 1; |
| int UPDATE = 2; |
| } |
| |
| private AnnotatedCallLogConstraints() {} |
| |
| /** |
| * Checks if the given {@link ContentValues} meets the constraints defined in this class. An |
| * {@link IllegalArgumentException} will be thrown if it doesn't. |
| */ |
| public static void check(ContentValues contentValues, @Operation int operationType) { |
| checkBooleanColumn(AnnotatedCallLog.IS_READ, contentValues, operationType); |
| checkBooleanColumn(AnnotatedCallLog.NEW, contentValues, operationType); |
| checkBooleanColumn(AnnotatedCallLog.IS_VOICEMAIL_CALL, contentValues, operationType); |
| checkCallTypeColumn(contentValues, operationType); |
| } |
| |
| /** |
| * Checks a boolean column. |
| * |
| * <p>Constraints: the value must be either 0 or 1 (SQLite database has no boolean type, so the |
| * value has to be an integer). |
| */ |
| private static void checkBooleanColumn( |
| String columnName, ContentValues contentValues, @Operation int operationType) { |
| checkColumn( |
| columnName, |
| contentValues, |
| operationType, |
| contentValuesToCheck -> { |
| Integer value = contentValuesToCheck.getAsInteger(columnName); |
| return value != null && (value == 0 || value == 1); |
| }); |
| } |
| |
| /** |
| * Checks column {@link AnnotatedCallLog#CALL_TYPE}. |
| * |
| * <p>Constraints: the value must be one of {@link android.provider.CallLog.Calls#TYPE}. |
| */ |
| private static void checkCallTypeColumn( |
| ContentValues contentValues, @Operation int operationType) { |
| checkColumn( |
| AnnotatedCallLog.CALL_TYPE, |
| contentValues, |
| operationType, |
| contentValuesToCheck -> { |
| Integer callType = contentValuesToCheck.getAsInteger(AnnotatedCallLog.CALL_TYPE); |
| return callType != null |
| && (callType == Calls.INCOMING_TYPE |
| || callType == Calls.OUTGOING_TYPE |
| || callType == Calls.MISSED_TYPE |
| || callType == Calls.VOICEMAIL_TYPE |
| || callType == Calls.REJECTED_TYPE |
| || callType == Calls.BLOCKED_TYPE |
| || callType == Calls.ANSWERED_EXTERNALLY_TYPE); |
| }); |
| } |
| |
| private static void checkColumn( |
| String columnName, |
| ContentValues contentValues, |
| @Operation int operationType, |
| Predicate<ContentValues> predicate) { |
| switch (operationType) { |
| case Operation.UPDATE: |
| if (!contentValues.containsKey(columnName)) { |
| return; |
| } |
| // fall through |
| case Operation.INSERT: |
| Assert.checkArgument( |
| predicate.test(contentValues), |
| "Column %s contains invalid value: %s", |
| columnName, |
| contentValues.get(columnName)); |
| return; |
| default: |
| throw Assert.createUnsupportedOperationFailException( |
| String.format("Unsupported operation: %s", operationType)); |
| } |
| } |
| } |