55 lines
1.1 KiB
Java
55 lines
1.1 KiB
Java
// CheckedOutputStream.java - Compute checksum of data being written.
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/* Copyright (C) 1999 Free Software Foundation
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This file is part of libgcj.
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This software is copyrighted work licensed under the terms of the
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Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
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details. */
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package java.util.zip;
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import java.io.FilterOutputStream;
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import java.io.OutputStream;
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import java.io.IOException;
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/**
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* @author Tom Tromey
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* @date May 17, 1999
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*/
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/* Written using on-line Java Platform 1.2 API Specification
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* and JCL book.
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* Believed complete and correct.
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*/
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public class CheckedOutputStream extends FilterOutputStream
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{
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public CheckedOutputStream (OutputStream out, Checksum cksum)
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{
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super (out);
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this.sum = cksum;
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}
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public Checksum getChecksum ()
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{
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return sum;
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}
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public void write (int bval) throws IOException
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{
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out.write(bval);
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sum.update(bval);
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}
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public void write (byte[] buf, int off, int len) throws IOException
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{
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out.write(buf, off, len);
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sum.update(buf, off, len);
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}
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// The checksum object.
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private Checksum sum;
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}
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