Package nl.knaw.dans.lib.ocflext

Class LayeredStorageOcflFileRetriever

java.lang.Object

nl.knaw.dans.lib.ocflext.LayeredStorageOcflFileRetriever

All Implemented Interfaces:

io.ocfl.api.OcflFileRetriever

public class LayeredStorageOcflFileRetriever
extends Object
implements io.ocfl.api.OcflFileRetriever

OcflFileRetriever that lazily reads files from a layered ItemStore using logical paths.

Constructor Summary

Constructors

Constructor	Description
LayeredStorageOcflFileRetriever(nl.knaw.dans.layerstore.ItemStore itemStore, String filePath, io.ocfl.api.model.DigestAlgorithm digestAlgorithm, String digestValue)

Method Summary

Modifier and Type	Method	Description
io.ocfl.api.io.FixityCheckInputStream	retrieveFile()
InputStream	retrieveRange(Long startPosition, Long endPosition)	Returns a range of bytes from the file.

Methods inherited from class java.lang.Object

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

Constructor Details

LayeredStorageOcflFileRetriever

public LayeredStorageOcflFileRetriever(nl.knaw.dans.layerstore.ItemStore itemStore,
 String filePath,
 io.ocfl.api.model.DigestAlgorithm digestAlgorithm,
 String digestValue)

Method Details

retrieveFile

public io.ocfl.api.io.FixityCheckInputStream retrieveFile()

Specified by:

retrieveFile in interface io.ocfl.api.OcflFileRetriever

retrieveRange

public InputStream retrieveRange(Long startPosition,
 Long endPosition)

Returns a range of bytes from the file. Both startPosition and endPosition are inclusive byte offsets. A null startPosition is treated as 0; a null endPosition reads until EOF.

Specified by:

retrieveRange in interface io.ocfl.api.OcflFileRetriever