evolvedbinary / elemental / 982

Committed 29 Apr 2025 08:34PM UTC coverage: 56.409% (+0.007%) from 56.402%

Build # 982

Build Type

push

circleci

Committed by

adamretter

Commit Message

[feature] Improve README.md badges

Run Details

28451 of 55847 branches covered (50.94%)

Branch coverage included in aggregate %.

77468 of 131924 relevant lines covered (58.72%)

0.59 hits per line

Source File
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29.03

/exist-core/src/main/java/org/exist/util/crypto/digest/DigestInputStream.java

/*
 * Elemental
 * Copyright (C) 2024, Evolved Binary Ltd
 *
 * admin@evolvedbinary.com
 * https://www.evolvedbinary.com | https://www.elemental.xyz
 *
 * Use of this software is governed by the Business Source License 1.1
 * included in the LICENSE file and at www.mariadb.com/bsl11.
 *
 * Change Date: 2028-04-27
 *
 * On the date above, in accordance with the Business Source License, use
 * of this software will be governed by the Apache License, Version 2.0.
 *
 * Additional Use Grant: Production use of the Licensed Work for a permitted
 * purpose. A Permitted Purpose is any purpose other than a Competing Use.
 * A Competing Use means making the Software available to others in a commercial
 * product or service that: substitutes for the Software; substitutes for any
 * other product or service we offer using the Software that exists as of the
 * date we make the Software available; or offers the same or substantially
 * similar functionality as the Software.
 */
package org.exist.util.crypto.digest;

import java.io.FilterInputStream;
import java.io.IOException;
import java.io.InputStream;

/**
 * An input stream which calculates a digest of the
 * data that is read.
 *
 * @author <a href="mailto:adam@exist-db.org">Adam Retter</a>
 */
public class DigestInputStream extends FilterInputStream {

    private final StreamableDigest streamableDigest;

    /**
     * Creates an input stream filter which calculates a digest
     * as the underlying input stream is read.
     *
     * @param is the input stream
     * @param streamableDigest the streamable digest
     */
    public DigestInputStream(final InputStream is, final StreamableDigest streamableDigest) {
        super(is);
        this.streamableDigest = streamableDigest;
    }

    @Override
    public int read() throws IOException {
        int b = in.read();
        if (b != -1) {
            streamableDigest.update((byte)(b & 0xFF));
        }
        return b;
    }

    @Override
    public int read(final byte[] buf, final int off, int len) throws IOException {
        len = in.read(buf, off, len);
        if (len != -1) {
            streamableDigest.update(buf, off, len);
        }
        return len;
    }

    @Override
    public long skip(final long n) throws IOException {
        final byte[] buf = new byte[512];
        long total = 0;
        while (total < n) {
            long len = n - total;
            len = read(buf, 0, len < buf.length ? (int)len : buf.length);
            if (len == -1) {
                return total;
            }
            total += len;
        }
        return total;
    }

    public StreamableDigest getStreamableDigest() {
        return streamableDigest;
    }
}

1	/*
2	* Elemental
3	* Copyright (C) 2024, Evolved Binary Ltd
4	*
5	* admin@evolvedbinary.com
6	* https://www.evolvedbinary.com \| https://www.elemental.xyz
7	*
8	* Use of this software is governed by the Business Source License 1.1
9	* included in the LICENSE file and at www.mariadb.com/bsl11.
10	*
11	* Change Date: 2028-04-27
12	*
13	* On the date above, in accordance with the Business Source License, use
14	* of this software will be governed by the Apache License, Version 2.0.
15	*
16	* Additional Use Grant: Production use of the Licensed Work for a permitted
17	* purpose. A Permitted Purpose is any purpose other than a Competing Use.
18	* A Competing Use means making the Software available to others in a commercial
19	* product or service that: substitutes for the Software; substitutes for any
20	* other product or service we offer using the Software that exists as of the
21	* date we make the Software available; or offers the same or substantially
22	* similar functionality as the Software.
23	*/
24	package org.exist.util.crypto.digest;
25
26	import java.io.FilterInputStream;
27	import java.io.IOException;
28	import java.io.InputStream;
29
30	/**
31	* An input stream which calculates a digest of the
32	* data that is read.
33	*
34	* @author <a href="mailto:adam@exist-db.org">Adam Retter</a>
35	*/
36	public class DigestInputStream extends FilterInputStream {
37
38	private final StreamableDigest streamableDigest;
39
40	/**
41	* Creates an input stream filter which calculates a digest
42	* as the underlying input stream is read.
43	*
44	* @param is the input stream
45	* @param streamableDigest the streamable digest
46	*/
47	public DigestInputStream(final InputStream is, final StreamableDigest streamableDigest) {
48	super(is);	1✔
49	this.streamableDigest = streamableDigest;	1✔
50	}	1✔
51
52	@Override
53	public int read() throws IOException {
54	int b = in.read();	×
55	if (b != -1) {	×
56	streamableDigest.update((byte)(b & 0xFF));	×
57	}
58	return b;	×
59	}
60
61	@Override
62	public int read(final byte[] buf, final int off, int len) throws IOException {
63	len = in.read(buf, off, len);	1✔
64	if (len != -1) {	1✔
65	streamableDigest.update(buf, off, len);	1✔
66	}
67	return len;	1✔
68	}
69
70	@Override
71	public long skip(final long n) throws IOException {
72	final byte[] buf = new byte[512];	×
73	long total = 0;	×
74	while (total < n) {	×
75	long len = n - total;	×
76	len = read(buf, 0, len < buf.length ? (int)len : buf.length);	×
77	if (len == -1) {	×
78	return total;	×
79	}
80	total += len;	×
81	}
82	return total;	×
83	}
84
85	public StreamableDigest getStreamableDigest() {
86	return streamableDigest;	×
87	}
88	}

evolvedbinary / elemental / 982

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