72 lines
2.2 KiB
Kotlin
72 lines
2.2 KiB
Kotlin
/*
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* Copyright 2017 Christian Basler
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package ch.dissem.bitmessage.entity.payload
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import ch.dissem.bitmessage.entity.SignedStreamableWriter
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import ch.dissem.bitmessage.utils.Decode
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import java.io.InputStream
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import java.io.OutputStream
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import java.nio.ByteBuffer
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import java.util.*
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/**
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* In cases we don't know what to do with an object, we just store its bytes and send it again - we don't really
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* have to know what it is.
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*/
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class GenericPayload(version: Long, override val stream: Long, val data: ByteArray) : ObjectPayload(version) {
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override val type: ObjectType? = null
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override fun equals(other: Any?): Boolean {
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if (this === other) return true
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if (other !is GenericPayload) return false
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if (stream != other.stream) return false
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return Arrays.equals(data, other.data)
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}
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override fun hashCode(): Int {
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var result = (stream xor stream.ushr(32)).toInt()
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result = 31 * result + Arrays.hashCode(data)
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return result
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}
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override fun writer(): SignedStreamableWriter = Writer(this)
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private class Writer(
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private val item: GenericPayload
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) : SignedStreamableWriter {
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override fun write(out: OutputStream) {
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out.write(item.data)
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}
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override fun write(buffer: ByteBuffer) {
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buffer.put(item.data)
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}
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override fun writeBytesToSign(out: OutputStream) = Unit // nothing to do
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}
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companion object {
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@JvmStatic
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fun read(version: Long, stream: Long, input: InputStream, length: Int) =
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GenericPayload(version, stream, Decode.bytes(input, length))
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}
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}
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