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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