/**
* 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() {}
}