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Java example source code file (Platform.java)
The Platform.java Java example source code/* * 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 com.google.common.annotations.GwtCompatible; import java.lang.reflect.Array; import java.util.ArrayDeque; import java.util.Deque; /** * Methods factored out so that they can be emulated differently in GWT. * * @author Hayward Chan */ @GwtCompatible(emulated = true) final class Platform { /** * Returns a new array of the given length with the same type as a reference * array. * * @param reference any array of the desired type * @param length the length of the new array */ static <T> T[] newArray(T[] reference, int length) { Class<?> type = reference.getClass().getComponentType(); // the cast is safe because // result.getClass() == reference.getClass().getComponentType() @SuppressWarnings("unchecked") T[] result = (T[]) Array.newInstance(type, length); return result; } /** * Configures the given map maker to use weak keys, if possible; does nothing * otherwise (i.e., in GWT). This is sometimes acceptable, when only * server-side code could generate enough volume that reclamation becomes * important. */ static MapMaker tryWeakKeys(MapMaker mapMaker) { return mapMaker.weakKeys(); } // TODO(cpovirk): Consider adding an ArrayDeque emulation to GWT. static <E> Deque Other Java examples (source code examples)Here is a short list of links related to this Java Platform.java source code file: |
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