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gRPC and protocol buffers for Android, Kotlin, and Java.
/*
* Copyright 2016 Square 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.squareup.wire
import kotlin.reflect.KClass
/**
* An abstract [ProtoAdapter] that converts values of an enum to and from integers.
*/
actual abstract class EnumAdapter protected actual constructor(
type: KClass,
syntax: Syntax,
identity: E?
) : ProtoAdapter(FieldEncoding.VARINT, type, null, syntax, identity) {
actual override fun encodedSize(value: E): Int = commonEncodedSize(value)
actual override fun encode(writer: ProtoWriter, value: E) {
commonEncode(writer, value)
}
actual override fun encode(writer: ReverseProtoWriter, value: E) {
commonEncode(writer, value)
}
actual override fun decode(reader: ProtoReader): E = commonDecode(reader, this::fromValue)
actual override fun redact(value: E): E = commonRedact(value)
/**
* Converts an integer to an enum.
* Returns null if there is no corresponding enum.
*/
protected actual abstract fun fromValue(value: Int): E?
}