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This page contains release notes for GroupDocs.Metadata for Java 19.1.

Major Features

There are the following features and enhancements in this release:

  • Add support for the Matroska multimedia container
  • Add support for password-protected OneNote documents
  • Reduce memory consumption of supported Visio formats
  • Reduce memory consumption of supported OneNote formats
  • Reduce memory consumption of supported CAD formats
  • Reduce memory consumption of supported Email formats
  • Reduce memory consumption of the MOV format
  • Remove the obsolete code related to the TIFF/EXIF functionality
  • Remove obsolete members of the DublinCorePackage class

All Changes

Key

Summary

Category

METADATANET-519Add support for the Matroska multimedia containerNew Feature
METADATANET-2556Add support for password-protected OneNote documentsNew Feature
METADATANET-2513Reduce memory consumption of supported Visio formatsEnhancement
METADATANET-2517Reduce memory consumption of supported OneNote formatsEnhancement
METADATANET-2538Reduce memory consumption of supported CAD formatsEnhancement
METADATANET-2539Reduce memory consumption of supported Email formatsEnhancement
METADATANET-2544Reduce memory consumption of the MOV formatEnhancement
METADATANET-1565Remove the obsolete code related to the TIFF/EXIF functionalityEnhancement
METADATANET-1577Remove obsolete members of the DublinCorePackage classEnhancement

Public API and Backward Incompatible Changes

This section lists public API changes that were introduced in GroupDocs.Metadata for Java 19.1. It includes not only new and obsoleted public methods, but also a description of any changes in the behavior behind the scenes in GroupDocs.Metadata which may affect existing code. Any behavior introduced that could be seen as regression and modifies existing behavior is especially important and is documented here.

Add support for the Matroska multimedia container

Description

This new feature allows a user to work with multimedia files encoded with the Matroska container.

Public API changes

The MatroskaFormat class has been added to the com.groupdocs.metadata package

The MatroskaSegmentInfoMetadata class has been added to the com.groupdocs.metadata package

The MatroskaSimpleTagMetadata class has been added to the com.groupdocs.metadata package

The MatroskaTagMetadata class has been added to the com.groupdocs.metadata package

The MatroskaTargetTypeValue class has been added to the com.groupdocs.metadata package

The MatroskaTrackMetadata class has been added to the com.groupdocs.metadata package

The MatroskaTrackType class has been added to the com.groupdocs.metadata package

The MatroskaVideoDisplayUnit class has been added to the com.groupdocs.metadata package

The MatroskaVideoFieldOrder class has been added to the com.groupdocs.metadata package

The MatroskaVideoFlagInterlaced class has been added to the com.groupdocs.metadata package

The MatroskaVideoStereoMode class has been added to the com.groupdocs.metadata package

The MatroskaVideoTrackMetadata class has been added to the com.groupdocs.metadata package

Usecases

Read MKV video metadata.

Java

Add support for password-protected OneNote documents

Description

This new feature allows a user to work with password-protected OneNote documents.

Public API changes

The OneNoteFormat(String, LoadOptions) constructor has been added to the OneNoteFormat class

The OneNoteFormat(InputStream, LoadOptions) constructor has been added to the OneNoteFormat class

Usecases

Load a password-protected OneNote document.

Java

Check if a document is password-protected.

Java

Reduced memory consumption of supported Visio formats

Description

This enhancement allows working with Visio documents with less memory consumption.

Public API changes

None.

Usecases

Please note that the VisioFormat class implements the Closeable interface and it's necessary to call the close() method when you're done working with its instance.

Java

If you are loading a Visio document from a stream, it's up to you to close the stream when the file is not needed anymore.

Java

The same rule works if you are saving the output file into a stream.

Java

Reduced memory consumption of supported OneNote formats

Description

This enhancement allows working with OneNote documents with less memory consumption.

Public API changes

None.

Usecases

Please note that the OneNoteFormat class implements the Closeable interface and it's necessary to call the close() method when you're done working with its instance.

Java

If you are loading a OneNote document from a stream, it's up to you to close the stream when the file is not needed anymore.

Java

The same rule works if you are saving the output file into a stream.

Java

Reduced memory consumption of supported CAD formats

Description

This enhancement allows working with supported CAD formats with less memory consumption.

Public API changes

None.

Usecases

Please note that the DwgFormat and DxfFormat classes implement the Closeable interface and it's necessary to call the close() method when you're done working with the instance.

Java

If you are loading a CAD drawing from a stream, it's up to you to close the stream when the file is not needed anymore.

Java

The same rule works if you are saving the output file into a stream.

Java

Reduced memory consumption of supported Email formats

Description

This enhancement allows working with saved email messages with less memory consumption.

Public API changes

None.

Usecases

Please note that the EmlFormat and OutlookMessage classes implement the Closeable interface and it's necessary to call the close() method when you're done working with the instance.

Java

If you are loading an email message from a stream, it's up to you to close the stream when the file is not needed anymore.

Java

The same rule works if you are saving the output file into a stream.

Java

Reduced memory consumption of supported MOV formats

Description

This enhancement allows working with MOV videos with less memory consumption.

Public API changes

The QuickTimeAtom.getData method has been marked as deprecated

The getDataOffset method has been added to the QuickTimeAtom class

The getDataSize method has been added to the QuickTimeAtom class

Usecases

Please note that the MovFormat class implements the Closeable interface and it's necessary to call the close() method when you're done working with its instance.

Java

If you are loading a MOV video from a stream, it's up to you to close the stream when the file is not needed anymore.

Java

The same rule works if you are saving the output file into a stream.

Java

Remove the obsolete code related to the TIFF/EXIF functionality

Description

This enhancement removes some obsolete classes, enumsandmembers connected with the TIFF/EXIF functionality.

Public API changes

The ExifProperty class has been removed from the com.groupdocs.metadata package

The ExifPropertyType class has been removed from the com.groupdocs.metadata package

The getValue method has been removed from the TiffAsciiTag class

The getValue method  has been removed from the TiffByteTag class

The getValue method has been removed from the TiffLongTag class

The getValue method has been removed from the TiffRationalTag class

The getValue method has been removed from the TiffSByteTag class

The getValue method has been removed from the TiffSLongTag class

The getValue method has been removed from the TiffSRationalTag class

The getValue method has been removed from the TiffSShortTag class

The getValue method has been removed from the TiffShortTag class

The TiffLongTag(int,int) constructor has been removed from the TiffLongTag class

The TiffRationalTag(int,Rational) constructor has been removed from the TiffRationalTag class

The TiffSByteTag(int,int) constructor has been removed from the TiffSByteTag class

The TiffSLongTag(int,int) constructor has been removed from the TiffSLongTag class

The TiffSRationalTag(int,SRational) constructor has been removed from the TiffSRationalTag class

The TiffSShortTag(int,short) constructor has been removed from the TiffSShortTag class

The TiffShortTag(int,short) constructor has been removed from the TiffShortTag class

The CompareExif(String,String,int) method has been removed from the ComparisonFacade class

The CompareExif(InputStream,InputStream,int) method has been removed from the ComparisonFacade class

The ScanExif(String,String,int) method has been removed from the SearchFacade class

The ScanExif(String,String) method has been removed from the SearchFacade class

The ScanExif(InputStream,String,int) method has been removed from the SearchFacade class

The ScanExif(InputStream,String) method has been removed from the SearchFacade class

The ScanExif(String,Pattern) method has been removed from the SearchFacade class

The ScanExif(InputStream,Pattern) method has been removed from the SearchFacade class

Usecases

Compare EXIF properties of two different documents.

Java

Search for EXIF tags using the SearchFacade class.

Java

Work with EXIF tags using alternative properties and constructors.

Java

Remove obsolete members of the DublinCorePackage class

Description

This enhancement removes some obsolete members of the DublinCorePackage class

Public API changes

The getSubject method has been removed from the DublinCorePackage class

The setSubject(String[]) method has been removed from the DublinCorePackage class

Usecases

Please use the Subjects property instead.

Java
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