Deepak Vohra

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The Extensible Stylesheet Language Transformations (XSLT) specification provides for morphing XML documents into other XML documents. An XML document can also be transformed into a format other than XML such as HTML or text. An XSLT processor is required for an XSLT transformation. Some of the commonly used XSLT processors include Xalan-Java, Oracle XSLT Processor for Java and the JAXP XSLT transformer. A stylesheet is used to transform an XML document. The elements of a stylesheet are in the XSLT namespace http://www.w3.org/1999/XSL/Transform. With XSLT an XML document may be converted to another XML/HTML/text document. The elements and attributes in an XML document get modified with an XSLT transformation. In this tutorial some of the commonly required transformations are discussed. Having a Java application to transform an XML document with XSLT is a pre-requisi... (more)

Configuring Eclipse for Remote Debugging a WebLogic Java Application

A J2EE application deployed in the WebLogic server may be debugged in the Eclipse IDE with the remote debugger provided by Eclipse. Without a debugger the error message has to be obtained from the application server error log to debug the application. With the remote debugger provided by Eclipse, exception breakpoints may be added to the application file to debug. When an application is run in WebLogic and the application generates an error, the application gets suspended and the Eclipse IDE Debug perspective displays the error. In this tutorial we will debug a WebLogic Applicat... (more)

Hybrid Cloud Computing: The Future Trend in Cloud

Cloud computing has been a boon to conserving resources by providing a farm of servers that are concurrently used by multiple users. Cloud computing precludes the requirement for setting up per-user servers. In a recent InformationWeek survey of business technology professionals, most have indicated a preference for cloud computing for storage, archiving, and disaster recovery, for business applications, servers, raw computing power, dedicated data center space, databases, and specialized IT services such as security, management and compliance. Cloud computing may be public or ... (more)

DTD and XML Schema Structures

This article compares Document Type Definition (DTD) and XML Schema elements. Java 2 Enterprise Edition (J2EE) developers use DTDs and schemas in J2EE/XML applications. When a DTD for an XML document is provided and validation with an XML Schema is required, the DTD-to-XML Schema conversion creates an XML Schema document corresponding to the DTD document. Overview A DTD defines the structure of an XML document and defines a document's element types, subelement types, and the order and number of each element type. It also declares the attributes, entities, notations, processing i... (more)

SimpleType and ComplexType in a Schema

This tutorial discusses the simpleType and complexType XML Schema structures and their corresponding representations in an XML document. XML Schema is used as the basis of an XML document structure, and some of the XML technologies, such as JAXB, are based on XML Schema. Overview An XML Schema is an XML-based representation of the structure of an XML document. XML Schema supports data types and namespaces; a DTD does not. In this tutorial, the simpleType and complexType structures used to represent a XML document will be discussed. SimpleType Declaration SimpleTypes are custom da... (more)