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List:       xmlbeans-dev
Subject:    [ANN] XMLBeans V2 available
From:       "Radu Preotiuc-Pietro" <radup () bea ! com>
Date:       2005-06-30 20:32:09
Message-ID: 4B2B4C417991364996F035E1EE39E2E10294F457 () uskiex01 ! amer ! bea ! com
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Based on the results of the vote published on the dev mailing list on 06/24, we are \
happy to announce the availability of XMLBeans V2.

XMLBeans is a tool that allows you to access the full power of XML in a Java friendly \
way. You can take advantage of all the richness and features of XML and XML Schema \
and have these features mapped as naturally as possible to the equivalent Java \
language and typing constructs. XMLBeans uses XML Schema to generate Java interfaces \
and classes that you can then use to access and modify XML instance data. Using \
XMLBeans is similar to using any other Java interface/class, you will see things like \
getFoo or setFoo just as you would expect when working with Java. While a major use \
of XMLBeans is to access your XML instance data with strongly typed Java classes \
there are also API's that allow you to access the full XML infoset (XMLBeans keeps \
XML Infoset fidelity) as well as to reflect into the XML schema itself through an XML \
Schema Object Model.

Here's a short list of improvements in this release:
·	Improved XQuery/XPath integration - Both XQuery and XPath on XMLBeans are now fully \
integrated. XPath and XQuery expressions can return other XMLObjects, or they can be \
executed using an XmlCursor instance, in which case you manipulate the results using \
a cursor.

·	DOM Level II Support - DOM Level II support is now implemented natively so that you \
can handle the underlying XML in the DOM style. You can switch between DOM, \
XmlCursor, and XmlObject (either untyped or typed). This improves performance and \
reduces the memory footprint over Version 1.

·	Extensions - You can now add custom functionality to generated XMLBeans. You can \
pass to the Schema Compiler 1) an interface that defines the set of methods to \
implement and 2) a static handler that implements this functionality. The generated \
classes will implement the interface and, for each method, call out to the static \
handler.

·	Improved Error Handling - This version adds error codes and ensures message \
consistency. In addition, fail-fast behavior is provided for simple types, while \
access to the post schema validation infoset is made available during validation. 

·	Performance - Performance has been improved across the board.  Native DOM support \
improves performance and memory footprint; XML parsing is now by default performed by \
Piccolo, a high performance parser; incremental compilation of only modified \
artifacts has been added; and the performance of the XmlCursor implementation has \
been greatly improved.

·	JDK 1.5 Generics - Generated classes now optionally take advantage of JDK 1.5 \
Generics.  Note that JDK 1.4 continues to be supported. 

·	XML Instance/XSD Generation - You can generate a sample XML instance from schema \
using the xsd2inst tool (which uses the SchemaInstanceGenerator class). You can also \
generate a schema from an instance using the inst2xsd tool (which uses the Inst2Xsd \
class).

The XMLBeans team

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