30 lines
1010 B
Kotlin
30 lines
1010 B
Kotlin
// SPDX-FileCopyrightText: 2023 Paul Schaub <vanitasvitae@fsfe.org>
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//
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// SPDX-License-Identifier: Apache-2.0
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package org.pgpainless.decryption_verification.cleartext_signatures
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import java.io.ByteArrayInputStream
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import java.io.ByteArrayOutputStream
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/**
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* Implementation of the [MultiPassStrategy]. This class keeps the read data in memory by caching
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* the data inside a [ByteArrayOutputStream].
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*
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* Note, that this class is suitable and efficient for processing small amounts of data. For larger
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* data like encrypted files, use of the [WriteToFileMultiPassStrategy] is recommended to prevent
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* [OutOfMemoryError] and other issues.
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*/
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class InMemoryMultiPassStrategy : MultiPassStrategy {
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private val cache = ByteArrayOutputStream()
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override val messageOutputStream: ByteArrayOutputStream
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get() = cache
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override val messageInputStream: ByteArrayInputStream
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get() = ByteArrayInputStream(getBytes())
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fun getBytes(): ByteArray = messageOutputStream.toByteArray()
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}
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