36 lines
1.1 KiB
Java
36 lines
1.1 KiB
Java
// SPDX-FileCopyrightText: 2021 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 {@link MultiPassStrategy}.
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* This class keeps the read data in memory by caching the data inside a {@link ByteArrayOutputStream}.
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*
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* Note, that this class is suitable and efficient for processing small amounts of data.
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* For larger data like encrypted files, use of the {@link WriteToFileMultiPassStrategy} is recommended to
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* prevent {@link OutOfMemoryError OutOfMemoryErrors} and other issues.
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*/
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public class InMemoryMultiPassStrategy implements MultiPassStrategy {
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private final ByteArrayOutputStream cache = new ByteArrayOutputStream();
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@Override
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public ByteArrayOutputStream getMessageOutputStream() {
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return cache;
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}
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@Override
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public ByteArrayInputStream getMessageInputStream() {
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return new ByteArrayInputStream(getBytes());
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}
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public byte[] getBytes() {
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return getMessageOutputStream().toByteArray();
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}
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}
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