/* * Copyright (C) 2008 Google Inc. * * 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 com.google.common.annotations.GwtCompatible; import com.google.common.annotations.GwtIncompatible; import java.lang.reflect.Array; import java.util.List; /** * Methods factored out so that they can be emulated differently in GWT. * * @author Hayward Chan */ @GwtCompatible(emulated = true) class Platform { /** * Calls {@link List#subList(int, int)}. Factored out so that it can be * emulated in GWT. * *
This method is not supported in GWT yet. See
* GWT issue 1791
*/
@GwtIncompatible("List.subList")
static It is only intended for the case {@code src} and {@code dest} are
* different. It also doesn't validate the types and indices.
*
* As of GWT 2.0, The built-in {@link System#arraycopy} doesn't work
* in general case. See
* http://code.google.com/p/google-web-toolkit/issues/detail?id=3621
* for more details.
*/
static void unsafeArrayCopy(
Object[] src, int srcPos, Object[] dest, int destPos, int length) {
System.arraycopy(src, srcPos, dest, destPos, length);
}
/**
* Returns a new array of the given length with the specified component type.
*
* @param type the component type
* @param length the length of the new array
*/
@GwtIncompatible("Array.newInstance(Class, int)")
@SuppressWarnings("unchecked")
static