Package gov.nih.mipav.model.file

Class MetadataExtractor.BplistReader

java.lang.Object

gov.nih.mipav.model.file.MetadataExtractor.BplistReader

Enclosing class:

MetadataExtractor

public static class MetadataExtractor.BplistReader
extends Object

A limited-functionality binary property list (BPLIST) utility. Parser functionality accounts for "dict" (with simple integer and string values) and "data". https://opensource.apple.com/source/CF/CF-550/ForFoundationOnly.h https://opensource.apple.com/source/CF/CF-550/CFBinaryPList.c https://synalysis.com/how-to-decode-apple-binary-property-list-files/

Author:

Bob Johnson

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	MetadataExtractor.BplistReader.PropertyListResults
private static class	MetadataExtractor.BplistReader.Trailer	A data structure to hold the BPLIST trailer data.

Field Summary

Fields

Modifier and Type	Field	Description
private static final byte[]	BPLIST_HEADER
private static final String	PLIST_DTD

Constructor Summary

Constructors

Constructor	Description
BplistReader()

Method Summary

Modifier and Type	Method	Description
private static void	handleData(int objectIndex, byte marker, MetadataExtractor.SequentialByteArrayReader reader, ArrayList<Object> objects)
private static void	handleDict(int objectIndex, byte marker, MetadataExtractor.SequentialByteArrayReader reader, ArrayList<Object> objects)
private static void	handleInt(int objectIndex, byte marker, MetadataExtractor.SequentialByteArrayReader reader, ArrayList<Object> objects)
static boolean	isValid(byte[] bplist)	Ensure that a BPLIST is valid.
static MetadataExtractor.BplistReader.PropertyListResults	parse(byte[] bplist)
private static MetadataExtractor.BplistReader.Trailer	readTrailer(byte[] bplist)	Given a full byte array containing the BPLIST, read the trailer object from the end of the array. 5 unused bytes and 1 sort version are skipped.

Methods inherited from class java.lang.Object

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

Field Details

PLIST_DTD

private static final String PLIST_DTD

See Also:

• Constant Field Values

BPLIST_HEADER

private static final byte[] BPLIST_HEADER

Constructor Details

BplistReader

public BplistReader()

Method Details

isValid

public static boolean isValid(byte[] bplist)

Ensure that a BPLIST is valid.

parse

public static MetadataExtractor.BplistReader.PropertyListResults parse(byte[] bplist)
                                                                throws IOException

Throws:

IOException

handleInt

private static void handleInt(int objectIndex,
 byte marker,
 MetadataExtractor.SequentialByteArrayReader reader,
 ArrayList<Object> objects)
                       throws IOException

Throws:

IOException

handleDict

private static void handleDict(int objectIndex,
 byte marker,
 MetadataExtractor.SequentialByteArrayReader reader,
 ArrayList<Object> objects)
                        throws IOException

Throws:

IOException

handleData

private static void handleData(int objectIndex,
 byte marker,
 MetadataExtractor.SequentialByteArrayReader reader,
 ArrayList<Object> objects)
                        throws IOException

Throws:

IOException

readTrailer

private static MetadataExtractor.BplistReader.Trailer readTrailer(byte[] bplist)
                                                           throws IOException

Given a full byte array containing the BPLIST, read the trailer object from the end of the array. 5 unused bytes and 1 sort version are skipped.

Parameters:

bplist - The BPLIST binary array.

Returns:

Returns the Trailer object with values parsed from the array.

Throws:

IOException