| /* |
| * Copyright (C) 2017 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.google.android.tv.partner.support; |
| |
| import android.content.ContentResolver; |
| import android.content.ContentValues; |
| import android.database.Cursor; |
| import android.database.DatabaseUtils; |
| import android.net.Uri; |
| import android.support.annotation.Nullable; |
| import android.support.annotation.WorkerThread; |
| import java.util.Collections; |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| /** Static utilities for {@link EpgInput}. */ |
| public final class EpgInputs { |
| // TODO create a fake EpgContentProvider for testing. |
| |
| /** Returns {@link EpgInput} for {@code inputId} or null if not found. */ |
| @WorkerThread |
| @Nullable |
| public static EpgInput queryEpgInput(ContentResolver contentResolver, String inputId) { |
| |
| for (EpgInput epgInput : queryEpgInputs(contentResolver)) { |
| if (inputId.equals(epgInput.getInputId())) { |
| return epgInput; |
| } |
| } |
| return null; |
| } |
| |
| /** Returns all {@link EpgInput}. */ |
| @WorkerThread |
| public static Set<EpgInput> queryEpgInputs(ContentResolver contentResolver) { |
| try (Cursor cursor = |
| contentResolver.query(EpgContract.EpgInputs.CONTENT_URI, null, null, null, null)) { |
| if (cursor == null) { |
| return Collections.emptySet(); |
| } |
| HashSet<EpgInput> result = new HashSet<>(cursor.getCount()); |
| while (cursor.moveToNext()) { |
| ContentValues contentValues = new ContentValues(); |
| DatabaseUtils.cursorRowToContentValues(cursor, contentValues); |
| result.add(EpgInput.createEpgChannel(contentValues)); |
| } |
| return result; |
| } catch (Exception e) { |
| return Collections.emptySet(); |
| } |
| } |
| |
| /** Insert an {@link EpgInput}. */ |
| @WorkerThread |
| @Nullable |
| public static Uri insert(ContentResolver contentResolver, EpgInput epgInput) { |
| return contentResolver.insert( |
| EpgContract.EpgInputs.CONTENT_URI, epgInput.toContentValues()); |
| } |
| |
| /** Update an {@link EpgInput}. */ |
| @WorkerThread |
| public static int update(ContentResolver contentResolver, EpgInput epgInput) { |
| return contentResolver.update( |
| EpgContract.EpgInputs.buildUri(epgInput.getId()), |
| epgInput.toContentValues(), |
| null, |
| null); |
| } |
| |
| private EpgInputs() {} |
| } |