/*
* Copyright (C) 2008 The Guava Authors
*
* 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.google.common.collect;
import java.util.Arrays;
import jsinterop.annotations.JsPackage;
import jsinterop.annotations.JsProperty;
import jsinterop.annotations.JsType;
/**
* Minimal GWT emulation of {@code com.google.common.collect.Platform}.
*
* <p><strong>This .java file should never be consumed by javac.</strong>
*
* @author Hayward Chan
*/
final class Platform {
static <T> T[] newArray(T[] reference, int length) {
T[] clone = Arrays.copyOf(reference, 0);
resizeArray(clone, length);
return clone;
}
private static void resizeArray(Object array, int newSize) {
((NativeArray) array).setLength(newSize);
}
// TODO(user): Move this logic to a utility class.
@JsType(isNative = true, name = "Array", namespace = JsPackage.GLOBAL)
private interface NativeArray {
@JsProperty
void setLength(int length);
}
static MapMaker tryWeakKeys(MapMaker mapMaker) {
return mapMaker;
}
private Platform() {}
}