Introduction to XML and native XML technologies on the IBM ...

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From Zero <strong>to</strong> z Hero - z/OS und <strong>XML</strong> - Das perfekte Duoz/OS <strong>XML</strong> System Services (z/OS <strong>XML</strong>)• z/OS introduced direct support for <strong>XML</strong> parsing with z/OS <strong>XML</strong> System Services• z/OS <strong>XML</strong> System Services is an integral part of the z/OS operating system <strong>and</strong> wasdesigned <strong>to</strong> provide <strong>XML</strong> parsing assistance with minimal path-length• There is no need <strong>to</strong> download or install any additional packages <strong>to</strong> use it.• From the application perspective, z/OS <strong>XML</strong> System Services is a set of callable routinesthat parse (or validate <strong>and</strong> parse) an <strong>XML</strong> document, rendering its contents in<strong>to</strong> anintermediate format that is easily navigated.• Applications can focus on business processing <strong>and</strong> rely upon z/OS <strong>XML</strong> SystemServices <strong>to</strong> h<strong>and</strong>le the intricacies of a<strong>to</strong>mizing an <strong>XML</strong> document.• z/OS <strong>XML</strong> Systems Services does not use or provide SAX or DOM interfaces.• It is a buffer-oriented interface that allows the input <strong>XML</strong> <strong>to</strong> be provided in pieces <strong>and</strong> theparsed result <strong>to</strong> be consumed in pieces.• There is no limit on document size using this approach.• Documents of many gigabytes can be processed.© 2012 IBM Corporation
From Zero <strong>to</strong> z Hero - z/OS und <strong>XML</strong> - Das perfekte Duoz/OS <strong>XML</strong> System Services• While z/OS <strong>XML</strong> System Services does not provide SAX or DOM interfaces, theintermediate format produced by z/OS <strong>XML</strong> System Services can be used <strong>to</strong> support SAX<strong>and</strong> DOM parsers as well as non-traditional parsing requirements.• A number of <strong>XML</strong>-enabled products for System z use z/OS <strong>XML</strong> System Services behindthe scenes <strong>to</strong> gain advantage from its high-performance <strong>and</strong> consistent parsing results.• For example, COBOL <strong>and</strong> PL/I provide the option of using z/OS <strong>XML</strong> System Services.• DB2 Pure<strong>XML</strong> support also uses z/OS <strong>XML</strong> System Services for some of its <strong>XML</strong>processing.• z/OS <strong>XML</strong> provides the option <strong>to</strong> offload most of the <strong>XML</strong> parsing <strong>to</strong> a zAAP or zIIPspecialty engine, when present.• z/OS <strong>XML</strong> supports a number of character encodings, among them UTF-8, UTF-16(big endian), IBM-1047 <strong>and</strong> IBM-037.© 2012 IBM Corporation
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Introduction to XML and native XML technologies on the IBM ...

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