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/*
* Copyright (C) 2016 The CyanogenMod 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 cyanogenmod.weatherservice;
import android.annotation.NonNull;
import android.os.Parcel;
import android.os.Parcelable;
import cyanogenmod.os.Build;
import cyanogenmod.os.Concierge;
import cyanogenmod.os.Concierge.ParcelInfo;
import cyanogenmod.weather.WeatherLocation;
import cyanogenmod.weather.WeatherInfo;
import java.util.ArrayList;
/**
* Use this class to build a request result.
*/
public final class ServiceRequestResult implements Parcelable {
private WeatherInfo mWeatherInfo;
private ArrayList<WeatherLocation> mLocationLookupList;
private int mKey;
private ServiceRequestResult() {}
private ServiceRequestResult(Parcel in) {
// Read parcelable version via the Concierge
ParcelInfo parcelInfo = Concierge.receiveParcel(in);
int parcelableVersion = parcelInfo.getParcelVersion();
if (parcelableVersion >= Build.CM_VERSION_CODES.ELDERBERRY) {
mKey = in.readInt();
int hasWeatherInfo = in.readInt();
if (hasWeatherInfo == 1) {
mWeatherInfo = WeatherInfo.CREATOR.createFromParcel(in);
}
int hasLocationLookupList = in.readInt();
if (hasLocationLookupList == 1) {
mLocationLookupList = new ArrayList<>();
int listSize = in.readInt();
while (listSize > 0) {
mLocationLookupList.add(WeatherLocation.CREATOR.createFromParcel(in));
listSize--;
}
}
}
// Complete parcel info for the concierge
parcelInfo.complete();
}
public static final Creator<ServiceRequestResult> CREATOR
= new Creator<ServiceRequestResult>() {
@Override
public ServiceRequestResult createFromParcel(Parcel in) {
return new ServiceRequestResult(in);
}
@Override
public ServiceRequestResult[] newArray(int size) {
return new ServiceRequestResult[size];
}
};
@Override
public int describeContents() {
return 0;
}
@Override
public void writeToParcel(Parcel dest, int flags) {
// Tell the concierge to prepare the parcel
ParcelInfo parcelInfo = Concierge.prepareParcel(dest);
// ==== ELDERBERRY =====
dest.writeInt(mKey);
if (mWeatherInfo != null) {
dest.writeInt(1);
mWeatherInfo.writeToParcel(dest, 0);
} else {
dest.writeInt(0);
}
if (mLocationLookupList != null) {
dest.writeInt(1);
dest.writeInt(mLocationLookupList.size());
for (WeatherLocation lookup : mLocationLookupList) {
lookup.writeToParcel(dest, 0);
}
} else {
dest.writeInt(0);
}
// Complete parcel info for the concierge
parcelInfo.complete();
}
public static class Builder {
private WeatherInfo mBuilderWeatherInfo;
private ArrayList<WeatherLocation> mBuilderLocationLookupList;
public Builder() {
this.mBuilderWeatherInfo = null;
this.mBuilderLocationLookupList = null;
}
/**
* Add the supplied weather information to the result. Attempting to add a WeatherLocation
* list to the same builder will cause the system to throw IllegalArgumentException
*
* @param weatherInfo The WeatherInfo object holding the data that will be used to update
* the weather content provider
*/
public Builder setWeatherInfo(@NonNull WeatherInfo weatherInfo) {
if (mBuilderLocationLookupList != null) {
throw new IllegalArgumentException("Can't add weather information when you have"
+ " already added a WeatherLocation list");
}
if (weatherInfo == null) {
throw new IllegalArgumentException("WeatherInfo can't be null");
}
mBuilderWeatherInfo = weatherInfo;
return this;
}
/**
* Add the supplied list of WeatherLocation objects to the result. Attempting to add a
* WeatherInfo object to the same builder will cause the system to throw
* IllegalArgumentException
*
* @param locations The list of WeatherLocation objects. The list should not be null
*/
public Builder setLocationLookupList(@NonNull ArrayList<WeatherLocation> locations) {
if (mBuilderWeatherInfo != null) {
throw new IllegalArgumentException("Can't add a WeatherLocation list when you have"
+ " already added weather information");
}
mBuilderLocationLookupList = locations;
return this;
}
/**
* Creates a {@link ServiceRequest} with the arguments
* supplied to this builder
* @return {@link ServiceRequestResult}
*/
public ServiceRequestResult build() {
ServiceRequestResult result = new ServiceRequestResult();
result.mWeatherInfo = this.mBuilderWeatherInfo;
result.mLocationLookupList = this.mBuilderLocationLookupList;
result.mKey = this.hashCode();
return result;
}
}
/**
* @return The WeatherInfo object supplied by the weather provider service
*/
public WeatherInfo getWeatherInfo() {
return mWeatherInfo;
}
/**
* @return The list of WeatherLocation objects supplied by the weather provider service
*/
public ArrayList<WeatherLocation> getLocationLookupList() {
return mLocationLookupList;
}
@Override
public int hashCode() {
//The hashcode of this object was stored when it was built. This is an
//immutable object but we need to preserve the hashcode since this object is parcelable and
//it's reconstructed over IPC, and clients of this object might want to store it in a
//collection that relies on this code to identify the object
return mKey;
}
@Override
public boolean equals(Object obj) {
if (obj instanceof ServiceRequestResult) {
ServiceRequestResult request = (ServiceRequestResult) obj;
return (request.hashCode() == this.mKey);
}
return false;
}
}
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