/** * Copyright 2010 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 org.waveprotocol.wave.communication; /** * Utility for converting from proto ints to compiler generated enums. * It is separated out to avoid excessive download size from generated code. * * @author danilatos@google.com (Daniel Danilatos) */ public final class ProtoEnums { public interface HasIntValue { int getValue(); } public static <T extends Enum<T> & HasIntValue> T valOf(int value, T[] enumValues) { for (T val : enumValues) { if (val.getValue() == value) { return val; } } // Return the UNKNOWN value, which is always generated as the last value. return enumValues[enumValues.length - 1]; } private ProtoEnums() {} }