Database Reference
In-Depth Information
Extension Modules by Category
This section contains a list of the extension modules discussed here, grouped by cate‐
gory. Categorizing is always a bit arbitrary, but hopefully this will you help find the
module/functionality you're looking for more quickly. The brief descriptions pro‐
vided for each module give an indication of what they are used for or contain.
Core
These modules form a core of useful extension functionality that you would not want
to do without when working with XQuery in eXist:
Module Description
file Managing files and directories on the filesystem
http Performing HTTP requests as a client (EXPath)
httpclient Performing HTTP requests as a client (eXist native)
map map data type functions
request Handling HTTP requests
response Controlling the HTTP response
restxq Module for eXist's RESTXQ interface
restxqex Module for eXist's RESTQX resource function registry
session Functions for working with the HTTP session
sm Security Manager functions
system Information about eXist and the system environment
transform XSLT-related functions
util Utility functions
validation Validating XML
xmldb
Core module for working with the database
Data Handling
Modules in this category provide additional data handling capabilities to eXist, such
as reading and writing of ZIP files, conversion to JSON, and image handling:
Module
Description
Handling of ZIP, GZIP, and TAR files
compression
Working with EXI (XML binary)
exi
Performing operations on images stored in eXist
image
Generating charts using the JFreeChart library
jfreechart
Transforming XML into JSON
json
 
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