MessagePack/src/main/kotlin/ch/dissem/msgpack/types/MPBoolean.kt

63 lines
1.7 KiB
Kotlin

/*
* Copyright 2017 Christian Basler
*
* 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 ch.dissem.msgpack.types
import java.io.IOException
import java.io.InputStream
import java.io.OutputStream
/**
* Representation of a msgpack encoded boolean.
*/
data class MPBoolean(override val value: Boolean) : MPType<Boolean> {
@Throws(IOException::class)
override fun pack(out: OutputStream) {
out.write(if (value) {
TRUE
} else {
FALSE
})
}
override fun toString(): String {
return value.toString()
}
override fun toJson(): String {
return value.toString()
}
class Unpacker : MPType.Unpacker<MPBoolean> {
override fun doesUnpack(firstByte: Int): Boolean {
return firstByte == TRUE || firstByte == FALSE
}
override fun unpack(firstByte: Int, input: InputStream) = when (firstByte) {
TRUE -> MPBoolean(true)
FALSE -> MPBoolean(false)
else -> throw IllegalArgumentException(String.format("0xC2 or 0xC3 expected but was 0x%02x", firstByte))
}
}
companion object {
private const val FALSE = 0xC2
private const val TRUE = 0xC3
}
}