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/*
* Copyright 2019 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.car.media.testmediaapp.loader;
import static com.android.car.media.testmediaapp.loader.TmaLoaderUtils.enumNamesToValues;
import static com.android.car.media.testmediaapp.loader.TmaLoaderUtils.getEnum;
import static com.android.car.media.testmediaapp.loader.TmaLoaderUtils.getInt;
import static com.android.car.media.testmediaapp.loader.TmaLoaderUtils.getString;
import androidx.annotation.Nullable;
import com.android.car.media.testmediaapp.TmaMediaEvent;
import com.android.car.media.testmediaapp.TmaMediaEvent.EventState;
import com.android.car.media.testmediaapp.TmaMediaEvent.ResolutionIntent;
import com.android.car.media.testmediaapp.TmaMediaEvent.StateErrorCode;
import org.json.JSONObject;
import java.util.Map;
/**
* Converts a json object into a {@link TmaMediaEvent}. Example:
* {
* "STATE": "ERROR",
* "ERROR_CODE": "PREMIUM_ACCOUNT_REQUIRED",
* "ERROR_MESSAGE": "A longer message explaining what's going on",
* "ACTION_LABEL": "Upgrade now",
* "POST_DELAY_MS": 500
* }
*/
class TmaMediaEventReader {
/** The json keys to retrieve the properties. */
private enum Keys {
STATE,
ERROR_CODE,
ERROR_MESSAGE,
ACTION_LABEL,
INTENT,
/** How long to wait before sending the event to the app. */
POST_DELAY_MS
}
private static TmaMediaEventReader sInstance;
synchronized static TmaMediaEventReader getInstance() {
if (sInstance == null) {
sInstance = new TmaMediaEventReader();
}
return sInstance;
}
private final Map<String, EventState> mEventStates;
private final Map<String, StateErrorCode> mErrorCodes;
private final Map<String, ResolutionIntent> mResolutionIntents;
private TmaMediaEventReader() {
mEventStates = enumNamesToValues(EventState.values());
mErrorCodes = enumNamesToValues(StateErrorCode.values());
mResolutionIntents = enumNamesToValues(ResolutionIntent.values());
}
@Nullable
public TmaMediaEvent fromJson(@Nullable JSONObject json) {
if (json == null) return null;
return new TmaMediaEvent(
getEnum(json, Keys.STATE, mEventStates, EventState.NONE),
getEnum(json, Keys.ERROR_CODE, mErrorCodes, StateErrorCode.UNKNOWN_ERROR),
getString(json, Keys.ERROR_MESSAGE),
getString(json, Keys.ACTION_LABEL),
getEnum(json, Keys.INTENT, mResolutionIntents, ResolutionIntent.NONE),
getInt(json, Keys.POST_DELAY_MS));
}
}
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