Packages
com.drew.imaging Provides classes for reading image metadata (via data interrogation and delegation to a specialised reader) and utilities for photographic conversions.
com.drew.imaging.jpeg Provides classes for reading JPEG format data.
com.drew.imaging.jpeg.test  
com.drew.imaging.tiff Provides classes for reading TIFF format data.
com.drew.lang Contains classes of generic utility (not application specific).
com.drew.lang.test  
com.drew.metadata Provides classes for modelling metadata and exceptions/interfaces applicable to all metadata operations.
com.drew.metadata.exif Contains classes for extracting and modelling Exif metadata from various sources and camera manufacturers.
com.drew.metadata.exif.test  
com.drew.metadata.iptc Contains classes for extracting and modelling IPTC metadata from various sources.
com.drew.metadata.iptc.test  
com.drew.metadata.jpeg Contains classes for extracting and modelling metadata specific to JPEG files.
com.drew.metadata.jpeg.test  
com.drew.metadata.test  
net.sourceforge.vyasa.metadata