com.google.cloud.tools.jib.hash

Class Digests

java.lang.Object

com.google.cloud.tools.jib.hash.Digests

public class Digests
extends Object

Utility class for computing a digest for various inputs while optionally writing to an output stream.

Constructor Summary

Constructors

Constructor and Description
Digests()

Method Summary

Modifier and Type	Method and Description
static BlobDescriptor	computeDigest(InputStream inStream)
static BlobDescriptor	computeDigest(InputStream inStream, OutputStream outStream) Computes the digest by consuming the contents of an InputStream while copying it to an OutputStream.
static BlobDescriptor	computeDigest(JsonTemplate template)
static BlobDescriptor	computeDigest(JsonTemplate template, OutputStream outStream)
static BlobDescriptor	computeDigest(WritableContents contents) Computes the digest by consuming the contents.
static BlobDescriptor	computeDigest(WritableContents contents, OutputStream outStream) Computes the digest by consuming the contents while copying it to an OutputStream.
static DescriptorDigest	computeJsonDigest(JsonTemplate template)
static DescriptorDigest	computeJsonDigest(List<? extends JsonTemplate> templates)

Methods inherited from class java.lang.Object

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

Constructor Detail

Digests

public Digests()

Method Detail

computeJsonDigest

public static DescriptorDigest computeJsonDigest(JsonTemplate template)
                                          throws IOException

Throws:

IOException

computeJsonDigest

public static DescriptorDigest computeJsonDigest(List<? extends JsonTemplate> templates)
                                          throws IOException

Throws:

IOException

computeDigest

public static BlobDescriptor computeDigest(JsonTemplate template)
                                    throws IOException

Throws:

IOException

computeDigest

public static BlobDescriptor computeDigest(JsonTemplate template,
                                           OutputStream outStream)
                                    throws IOException

Throws:

IOException

computeDigest

public static BlobDescriptor computeDigest(InputStream inStream)
                                    throws IOException

Throws:

IOException

computeDigest

public static BlobDescriptor computeDigest(WritableContents contents)
                                    throws IOException

Computes the digest by consuming the contents.

Parameters:

contents - the contents for which the digest is computed

Returns:

computed digest and bytes consumed

Throws:

IOException - if reading fails

computeDigest

public static BlobDescriptor computeDigest(InputStream inStream,
                                           OutputStream outStream)
                                    throws IOException

Computes the digest by consuming the contents of an InputStream while copying it to an OutputStream. Returns the computed digest along with the size of the bytes consumed to compute the digest. Does not close either stream.

Parameters:

inStream - the stream to read the contents from

outStream - the stream to which the contents are copied

Returns:

computed digest and bytes consumed

Throws:

IOException - if reading from or writing fails

computeDigest

public static BlobDescriptor computeDigest(WritableContents contents,
                                           OutputStream outStream)
                                    throws IOException

Computes the digest by consuming the contents while copying it to an OutputStream. Returns the computed digest along with the size of the bytes consumed to compute the digest. Does not close the stream.

Parameters:

contents - the contents to compute digest for

outStream - the stream to which the contents are copied

Returns:

computed digest and bytes consumed

Throws:

IOException - if reading from or writing fails