Package com.adobe.testing.s3mock.util

Class AwsChunkedDecodingChecksumInputStream

java.lang.Object

java.io.InputStream

com.adobe.testing.s3mock.util.AbstractAwsInputStream

com.adobe.testing.s3mock.util.AwsChunkedDecodingChecksumInputStream

All Implemented Interfaces:

Closeable, AutoCloseable

public class AwsChunkedDecodingChecksumInputStream
extends AbstractAwsInputStream

Merges chunks from AWS chunked AwsChunkedEncodingInputStream, skipping V4 style signing metadata. The checksum is optionally included in the stream as part of the "trail headers" after the last chunk.

The original stream looks like this:

 24;chunk-signature=312a41de690364ad6d17629d1e026c448e78abd328f1602276fdd2c3f928d100
 ## sample test file ##

 demo=content
 0;chunk-signature=4d2b448448f29b473beb81340f5a3d6c9468e4fbb9ac761cfab63846919011fb
 x-amz-checksum-sha256:1VcEifAruhjVvjzul4sC0B1EmlUdzqvsp6BP0KSVdTE=
 

The format of each chunk of data is:

 [hex-encoded-number-of-bytes-in-chunk];chunk-signature=[sha256-signature][EOL]
 [payload-bytes-of-this-chunk][EOL]
 

The format of the full payload is:

 [hex-encoded-number-of-bytes-in-chunk];chunk-signature=[sha256-signature][EOL]
 [payload-bytes-of-this-chunk][EOL]
 0;chunk-signature=[sha256-signature][EOL]
 x-amz-checksum-[checksum-algorithm]:[checksum][EOL]
 [other trail headers]
 

See Also:

• AwsChunkedEncodingInputStream

Field Summary

Fields inherited from class com.adobe.testing.s3mock.util.AbstractAwsInputStream

algorithm, checksum, CHECKSUM_HEADER, chunkLength, chunks, CRLF, decodedLength, DELIMITER, readDecodedLength, source

Constructor Summary

Constructors

Constructor	Description
AwsChunkedDecodingChecksumInputStream(InputStream source, long decodedLength)

Method Summary

Modifier and Type	Method	Description
int	read()

Methods inherited from class com.adobe.testing.s3mock.util.AbstractAwsInputStream

close, endsWith, extractAlgorithmAndChecksum, getAlgorithm, getChecksum, readUntil, setChunkLength

Methods inherited from class java.io.InputStream

available, mark, markSupported, nullInputStream, read, read, readAllBytes, readNBytes, readNBytes, reset, skip, skipNBytes, transferTo

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

AwsChunkedDecodingChecksumInputStream

public AwsChunkedDecodingChecksumInputStream(InputStream source,
 long decodedLength)

Method Details

read

public int read()
         throws IOException

Specified by:

read in class InputStream

Throws:

IOException