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/*
* Copyright (C) 2022 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.adservices.service.measurement.util;
import android.net.Uri;
import com.google.common.net.InternetDomainName;
import java.util.Optional;
/** Web utilities for measurement. */
public final class Web {
private Web() { }
/**
* Returns a {@code Uri} of the scheme concatenated with the first subdomain of the provided
* URL that is beneath the public suffix.
*
* @param uri the Uri to parse.
*/
public static Optional<Uri> topPrivateDomainAndScheme(Uri uri) {
String scheme = uri.getScheme();
String host = uri.getHost();
if (scheme == null || host == null) {
return Optional.empty();
}
try {
InternetDomainName domainName = InternetDomainName.from(host);
String url = scheme + "://" + domainName.topPrivateDomain();
return Optional.of(Uri.parse(url));
} catch (IllegalArgumentException | IllegalStateException e) {
return Optional.empty();
}
}
/**
* Returns a {@code Uri} of the scheme concatenated with the first subdomain of the provided
* URL that is beneath the public suffix.
*
* @param uri the URL string to parse.
*/
public static Optional<Uri> topPrivateDomainAndScheme(String uri) {
return topPrivateDomainAndScheme(Uri.parse(uri));
}
}
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