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[java] Undoing removal of Java 8 code
Will submit separate PR
  • Loading branch information
zodac committed Mar 27, 2025
commit a5d9b14acddcb28d5ab2592c4f8d848312ceb9d3
18 changes: 16 additions & 2 deletions java/src/org/openqa/selenium/PersistentCapabilities.java
Original file line number Diff line number Diff line change
Expand Up @@ -17,9 +17,11 @@

package org.openqa.selenium;

import java.util.Collections;
import java.util.Map;
import java.util.Set;
import java.util.function.Function;
import java.util.stream.Collector;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import org.openqa.selenium.internal.Require;
Expand Down Expand Up @@ -56,7 +58,7 @@ public PersistentCapabilities setCapability(String name, Object value) {
@Override
public Map<String, Object> asMap() {
return getCapabilityNames().stream()
.collect(Collectors.toUnmodifiableMap(Function.identity(), this::getCapability));
.collect(toUnmodifiableMap(Function.identity(), this::getCapability));
}

@Override
Expand All @@ -79,7 +81,19 @@ public Capabilities merge(Capabilities other) {
public Set<String> getCapabilityNames() {
return Stream.concat(
caps.getCapabilityNames().stream(), overrides.getCapabilityNames().stream())
.collect(Collectors.toUnmodifiableSet());
.collect(toUnmodifiableSet());
}

// Needed, since we're dependent on Java 8 as a minimum version
private <T, K, U> Collector<T, ?, Map<K, U>> toUnmodifiableMap(
Function<? super T, ? extends K> keyMapper, Function<? super T, ? extends U> valueMapper) {
return Collectors.collectingAndThen(
Collectors.toMap(keyMapper, valueMapper), Collections::unmodifiableMap);
}

// Needed, since we're dependent on Java 8 as a minimum version
private <T> Collector<T, ?, Set<T>> toUnmodifiableSet() {
return Collectors.collectingAndThen(Collectors.toSet(), Collections::unmodifiableSet);
}

@Override
Expand Down