Packages 
Package Description
org.sbml.jsbml
Pure Java™ implementation of the data structures to represent all SBML constructs.
org.sbml.jsbml.ext
The base package for all SBML extensions.
org.sbml.jsbml.resources
Contains classes to deal with and to manage non-Java resources, such as configuration files.
org.sbml.jsbml.text.parser
Provides classes to parse formula Strings and to convert these into abstract syntax tree data structures.
org.sbml.jsbml.util
A collection of handy utilities when working with JSBML classes, such as classes for String manipulation or mathematical operations.
org.sbml.jsbml.util.compilers
The classes in this package can be used to evaluate the information represented by abstract syntax trees (ASTNode objects).
org.sbml.jsbml.util.filters
Filter are useful to decide whether or not to accept a certain item.
org.sbml.jsbml.validator
This package provides methods to validate the content of SBML models, whether given in a file or as a data structure.
org.sbml.jsbml.xml
This package provides classes and methods to deal with SBML in form of XML elements, i.e., here you can find parsers and writers for SBML and also elements to define XML nodes to be used for notes or annotations.
org.sbml.jsbml.xml.parsers
Contains classes that implement ReadingParser and/or WritingParser to read or write some specific parts of an SBML file.
org.sbml.jsbml.xml.stax
Contains classes that use the Streaming API for XML (StAX) to read or write an SBML file.
org.sbml.jsbml.xml.xstream.converter
Contains classes that uses the XStream to read or write XML.