Validating xml schema java

01-Jan-2020 10:37

A well-formed XML document is an XML document with correct syntax.It is very necessary to know about valid XML document before knowing XML validation.In this article, i am going to use the Swing for the UI purpose and for the XML validation against its schema i will use DOM parser as well as SAX Parser. previously we have already seen that how these parsers works in detail. The Java programming language isn't limited to a single schema factory.When you pass a URI identifying a particular schema language to that know how to process your schema language.

HTML browsers are allowed to display HTML documents with errors (like missing end tags). A "well formed" XML document is not the same as a "valid" XML document. In addition, it must conform to a document type definition.

Java 5 introduced the package to provide a schema-language-independent interface to validation services.

This package is also available in Java 1.3 and later when you install JAXP 1.3 separately.

For example, Listing 2 shows a program that validates Doc Book documents against Doc Book's RELAX NG schema. The only things that have changed are the location of the schema and the URL that identifies the schema language. Implementations are free to add other URLs to this list to identify other schema languages.

Typically, the URL is the namespace Uniform Resource Identifier (URI) for the schema language. However, you can install additional libraries that add support for these and other schema languages.

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