XML Validation
Encyclopedia
XML validation is the process of checking a document written in XML
(eXtensible Markup Language) to confirm that it is both "well-formed" and also "valid" in that it follows a defined structure. A "well-formed" document follows the basic syntactic rules of XML, which are the same for all XML documents. A valid document also respects the rules dictated by a particular DTD
or XML schema, according to the application-specific choices for those particular .
In addition, extended tools are available such as OASIS CAM standard specification that provide contextual validation of content and structure that is more flexible than basic schema validations.
xmllint is a command line XML tool that can perform XML validation. It can be found in UNIX
/ Linux
environments. An example with the use of this program for validation of a file called example.xml is
XML toolkit
Online validators for XML files
Articles discussing XML validation
XML
Extensible Markup Language is a set of rules for encoding documents in machine-readable form. It is defined in the XML 1.0 Specification produced by the W3C, and several other related specifications, all gratis open standards....
(eXtensible Markup Language) to confirm that it is both "well-formed" and also "valid" in that it follows a defined structure. A "well-formed" document follows the basic syntactic rules of XML, which are the same for all XML documents. A valid document also respects the rules dictated by a particular DTD
Document Type Definition
Document Type Definition is a set of markup declarations that define a document type for SGML-family markup languages...
or XML schema, according to the application-specific choices for those particular .
In addition, extended tools are available such as OASIS CAM standard specification that provide contextual validation of content and structure that is more flexible than basic schema validations.
xmllint is a command line XML tool that can perform XML validation. It can be found in UNIX
Unix
Unix is a multitasking, multi-user computer operating system originally developed in 1969 by a group of AT&T employees at Bell Labs, including Ken Thompson, Dennis Ritchie, Brian Kernighan, Douglas McIlroy, and Joe Ossanna...
/ Linux
Linux
Linux is a Unix-like computer operating system assembled under the model of free and open source software development and distribution. The defining component of any Linux system is the Linux kernel, an operating system kernel first released October 5, 1991 by Linus Torvalds...
environments. An example with the use of this program for validation of a file called example.xml is
- xmllint --valid --noout example.xml
External links
Example C program- Validate XML against XSD in C (using libxml)
XML toolkit
- The XML C parser and toolkit of Gnome – libxml includes xmllint
- Windows port of libxml – maintained by Igor Zlatkovic
Online validators for XML files
- http://www.xmlvalidation.com/
- http://www.stg.brown.edu/service/xmlvalid/
- http://www.jcam.org.uk
- XMLdation.com is focused on payment-related ISO 20022 XML files
Articles discussing XML validation