Validating xml string
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.Few of them are mentioned below : Microsoft's Visual Studio . Net is primarily handled by the class code present in the following namespaces : Xml Schema Validation An Xml File is generally validated for its conformance to a particular schema.Net provides a number of classes, shipped in as base class libraries of the . The Xml schema file usually is a XML-Data Reduced (XDR) or XML Schema definition language (XSD).Sometimes validation is performed while parsing, sometimes immediately after.However, it's usually done before any further processing of the input takes place.
The You can reuse the same validator and the same schema multiple times in series. Usually the document consumer should choose the schema, not the document producer. All other schema languages require an explicitly specified schema location. The abstract factory design pattern enables this one API to support many different schema languages and object models.(This description is painted with broad strokes -- there are exceptions.)Until recently, the exact Application Programming Interface (API) by which programs requested validation varied with the schema language and parser.DTDs and XSD were normally accessed as configuration options in Simple API for XML (SAX), Document Object Model (DOM), and Java™ API for XML Processing (JAXP). Schematron might use the Transformations API for XML(Tr AX); and still other schema languages required programmers to learn still more APIs, even though they were performing essentially the same operation.Then, install your JAR in one of these four locations.This is useful for adding constraints that are more easily checked in a Turing-complete language like Java than in a declarative language like the W3C XML Schema language.
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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.