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/*
* 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;
}
}
/** 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() {}
}
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