/*
* Copyright 2015, 2017 Tagir Valeev
*
* 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 one.util.streamex;
import java.nio.CharBuffer;
import java.util.Spliterator;
import java.util.function.DoublePredicate;
import java.util.function.IntPredicate;
import java.util.function.LongPredicate;
import java.util.function.Predicate;
import java.util.stream.IntStream;
/**
* @author Tagir Valeev
*/
/* package */ class VersionSpecific {
<T, S extends AbstractStreamEx<T, S>> S callWhile(AbstractStreamEx<T, S> stream, Predicate<? super T> predicate, boolean drop) {
Spliterator<T> spltr = stream.spliterator();
return stream.supply(
spltr.hasCharacteristics(Spliterator.ORDERED) ? new TakeDrop.TDOfRef<>(spltr, drop, false, predicate)
: new TakeDrop.UnorderedTDOfRef<T>(spltr, drop, false, predicate));
}
IntStreamEx callWhile(IntStreamEx stream, IntPredicate predicate, boolean drop) {
return stream.delegate(new TakeDrop.TDOfInt(stream.spliterator(), drop, false, predicate));
}
LongStreamEx callWhile(LongStreamEx stream, LongPredicate predicate, boolean drop) {
return stream.delegate(new TakeDrop.TDOfLong(stream.spliterator(), drop, false, predicate));
}
DoubleStreamEx callWhile(DoubleStreamEx stream, DoublePredicate predicate, boolean drop) {
return stream.delegate(new TakeDrop.TDOfDouble(stream.spliterator(), drop, false, predicate));
}
IntStream ofChars(CharSequence seq) {
// In JDK 8 there's only default chars() method which uses
// IteratorSpliterator
// In JDK 9 chars() method for most of implementations is much better
return CharBuffer.wrap(seq).chars();
}
}