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Introduce DevicePlatformUtil

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This commit is contained in:
Jon Chambers
2025-04-21 20:59:09 -04:00
committed by Jon Chambers
parent ed382fff6d
commit 4072dcdda5
2 changed files with 46 additions and 19 deletions
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44
service/src/main/java/org/whispersystems/textsecuregcm/metrics/DevicePlatformUtil.java Normal file
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/*
* Copyright 2025 Signal Messenger, LLC
* SPDX-License-Identifier: AGPL-3.0-only
*/
package org.whispersystems.textsecuregcm.metrics;
import org.apache.commons.lang3.StringUtils;
import org.whispersystems.textsecuregcm.storage.Device;
import org.whispersystems.textsecuregcm.util.ua.ClientPlatform;
import java.util.Optional;
public class DevicePlatformUtil {
private DevicePlatformUtil() {
}
/**
* Returns the most likely client platform for a device.
*
* @param device the device for which to find a client platform
*
* @return the most likely client platform for the given device or empty if no likely platform could be determined
*/
public static Optional<ClientPlatform> getDevicePlatform(final Device device) {
final Optional<ClientPlatform> clientPlatform;
if (StringUtils.isNotBlank(device.getGcmId())) {
clientPlatform = Optional.of(ClientPlatform.ANDROID);
} else if (StringUtils.isNotBlank(device.getApnId())) {
clientPlatform = Optional.of(ClientPlatform.IOS);
} else {
clientPlatform = Optional.empty();
}
return clientPlatform.or(() -> Optional.ofNullable(
switch (device.getUserAgent()) {
case "OWA" -> ClientPlatform.ANDROID;
case "OWI", "OWP" -> ClientPlatform.IOS;
case "OWD" -> ClientPlatform.DESKTOP;
case null, default -> null;
}));
}
}