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/*
* Copyright (C) 2018 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.dialer.phonenumberproto;
import android.support.annotation.NonNull;
import android.support.annotation.WorkerThread;
import android.support.v4.util.ArrayMap;
import android.support.v4.util.ArraySet;
import com.android.dialer.DialerPhoneNumber;
import com.android.dialer.common.Assert;
import com.google.common.base.Optional;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import com.google.i18n.phonenumbers.PhoneNumberUtil;
import java.util.Map;
import java.util.Set;
/**
* Divides a set of {@link DialerPhoneNumber DialerPhoneNumbers} by those that can be formatted to
* E164 and those that cannot.
*/
public final class PartitionedNumbers {
private final ImmutableMap<String, ImmutableSet<DialerPhoneNumber>>
e164NumbersToDialerPhoneNumbers;
private final ImmutableMap<String, ImmutableSet<DialerPhoneNumber>>
unformattableNumbersToDialerPhoneNumbers;
@WorkerThread
public PartitionedNumbers(@NonNull ImmutableSet<DialerPhoneNumber> dialerPhoneNumbers) {
Assert.isWorkerThread();
DialerPhoneNumberUtil dialerPhoneNumberUtil =
new DialerPhoneNumberUtil(PhoneNumberUtil.getInstance());
Map<String, Set<DialerPhoneNumber>> e164MapBuilder = new ArrayMap<>();
Map<String, Set<DialerPhoneNumber>> unformattableMapBuilder = new ArrayMap<>();
for (DialerPhoneNumber dialerPhoneNumber : dialerPhoneNumbers) {
Optional<String> e164 = dialerPhoneNumberUtil.formatToE164(dialerPhoneNumber);
if (e164.isPresent()) {
String validE164 = e164.get();
Set<DialerPhoneNumber> currentNumbers = e164MapBuilder.get(validE164);
if (currentNumbers == null) {
currentNumbers = new ArraySet<>();
e164MapBuilder.put(validE164, currentNumbers);
}
currentNumbers.add(dialerPhoneNumber);
} else {
String unformattableNumber = dialerPhoneNumber.getRawInput().getNumber();
Set<DialerPhoneNumber> currentNumbers = unformattableMapBuilder.get(unformattableNumber);
if (currentNumbers == null) {
currentNumbers = new ArraySet<>();
unformattableMapBuilder.put(unformattableNumber, currentNumbers);
}
currentNumbers.add(dialerPhoneNumber);
}
}
e164NumbersToDialerPhoneNumbers = makeImmutable(e164MapBuilder);
unformattableNumbersToDialerPhoneNumbers = makeImmutable(unformattableMapBuilder);
}
/** Returns the set of formatted number from the original DialerPhoneNumbers */
@NonNull
public ImmutableSet<String> unformattableNumbers() {
return unformattableNumbersToDialerPhoneNumbers.keySet();
}
/** Returns the set of raw number that is unformattable from the original DialerPhoneNumbers */
@NonNull
public ImmutableSet<String> validE164Numbers() {
return e164NumbersToDialerPhoneNumbers.keySet();
}
/**
* Returns the corresponding set of original DialerPhoneNumber that maps to the e.164 number, or
* an empty set if the number is not found.
*/
@NonNull
public ImmutableSet<DialerPhoneNumber> dialerPhoneNumbersForE164(String e164) {
return Assert.isNotNull(e164NumbersToDialerPhoneNumbers.get(e164));
}
/**
* Returns the corresponding set of original DialerPhoneNumber that maps to the unformattable
* number returned by {@link #unformattableNumbers()}, or an empty set if the number is not found.
*/
@NonNull
public ImmutableSet<DialerPhoneNumber> dialerPhoneNumbersForUnformattable(
String unformattableNumber) {
return Assert.isNotNull(unformattableNumbersToDialerPhoneNumbers.get(unformattableNumber));
}
private static <K, V> ImmutableMap<K, ImmutableSet<V>> makeImmutable(
Map<K, Set<V>> mutableMapOfSet) {
ImmutableMap.Builder<K, ImmutableSet<V>> mapBuilder = ImmutableMap.builder();
for (Map.Entry<K, Set<V>> entry : mutableMapOfSet.entrySet()) {
mapBuilder.put(entry.getKey(), ImmutableSet.copyOf(entry.getValue()));
}
return mapBuilder.build();
}
}
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