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46 lines
1.2 KiB
Java
46 lines
1.2 KiB
Java
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// 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 sop;
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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public abstract class Ready {
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/**
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* Write the data to the provided output stream.
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*
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* @param outputStream output stream
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* @throws IOException in case of an IO error
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*/
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public abstract void writeTo(OutputStream outputStream) throws IOException;
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/**
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* Return the data as a byte array by writing it to a {@link ByteArrayOutputStream} first and then returning
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* the array.
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*
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* @return data as byte array
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* @throws IOException in case of an IO error
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*/
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public byte[] getBytes() throws IOException {
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ByteArrayOutputStream bytes = new ByteArrayOutputStream();
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writeTo(bytes);
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return bytes.toByteArray();
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}
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/**
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* Return an input stream containing the data.
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*
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* @return input stream
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* @throws IOException in case of an IO error
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*/
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public InputStream getInputStream() throws IOException {
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return new ByteArrayInputStream(getBytes());
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}
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}
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