What is relation between JAXP and Xerces?

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Question: What is relation between JAXP and Xerces?

Answer: JAXP is a set of interfaces and Xerces is one of JAXP implementations.

JAXP plays the same role for Xerces like Oracle's JDBC Driver for Oracle.

JAXP is an API, more accurately called an abstraction layer. JAXP doesn't provide a new ways for XML parsing , or adds new possibilities and functionality to handling Java with XML . Instead, JAXP makes it easier to use SAX and DOM to deal with some difficult tasks. It also makes it possible to handle some vendor-specific tasks in a vendor-neutral way.

The Java API for XML Processing (JAXP) supports processing of XML documents using DOM, SAX, and XSLT. JAXP enables applications to parse and transform XML documents independent of a particular XML processing implementation.

Depending on the needs of the application, developers have the flexibility to swap between XML processors (such as high performance vs. memory conservative parsers) without making application code changes.

Thus, application and tools developers can rapidly and easily XML-enable their Java applications for e-commerce, application integration, and dynamic Web publishing. Just added into the JAXP 1.2 reference implementation is support for XML schema and an XSLT compiler (XSLTC). These new features are also available as part of the Java Web Services Developer Pack (Java WSDP) v1.0_01 and as part of the Java XML Pack Summer 02 Update Release.

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