/*
 * Copyright (C) 2019 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.primitives;

import com.google.common.annotations.GwtCompatible;

Methods factored out so that they can be emulated differently in GWT.
/** Methods factored out so that they can be emulated differently in GWT. */
@GwtCompatible(emulated = true) final class Platform { private static final java.util.logging.Logger logger = java.util.logging.Logger.getLogger(Platform.class.getName()); static void checkGwtRpcEnabled() { String propertyName = "guava.gwt.emergency_reenable_rpc"; if (!Boolean.parseBoolean(System.getProperty(propertyName, "false"))) { throw new UnsupportedOperationException( com.google.common.base.Strings.lenientFormat( "We are removing GWT-RPC support for Guava types. You can temporarily reenable" + " support by setting the system property %s to true. For more about system" + " properties, see %s. For more about Guava's GWT-RPC support, see %s.", propertyName, "https://stackoverflow.com/q/5189914/28465", "https://groups.google.com/d/msg/guava-announce/zHZTFg7YF3o/rQNnwdHeEwAJ")); } logger.log( java.util.logging.Level.WARNING, "Later in 2020, we will remove GWT-RPC support for Guava types. You are seeing this" + " warning because you are sending a Guava type over GWT-RPC, which will break. You" + " can identify which type by looking at the class name in the attached stack trace.", new Throwable()); } private Platform() {} }