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/*
* ============LICENSE_START=======================================================
* dcaegen2-collectors-veshv
* ================================================================================
* Copyright (C) 2018 NOKIA
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.dcae.collectors.veshv.domain
import io.netty.buffer.ByteBuf
import java.nio.charset.Charset
/**
* @author Piotr Jaszczyk <piotr.jaszczyk@nokia.com>
* @since June 2018
*/
class ByteData(private val data: ByteArray) {
fun size() = data.size
/**
* This will expose mutable state of the data.
*
* @return wrapped data buffer (NOT a copy)
*/
fun unsafeAsArray() = data
fun writeTo(byteBuf: ByteBuf) {
byteBuf.writeBytes(data)
}
fun asString(charset: Charset = Charset.defaultCharset()) = String(data, charset)
companion object {
val EMPTY = ByteData(byteArrayOf())
fun readFrom(byteBuf: ByteBuf, length: Int): ByteData {
val dataArray = ByteArray(length)
byteBuf.readBytes(dataArray)
return ByteData(dataArray)
}
}
}
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