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XSD is the XML schema definition for defining the XML elements in the XML document. Prior to the XML schemas, DTDs are used which are not XML document and has the limitations. XSD is most popular because of the extensibility and the validations for the XML files. You can set the validation rules for the [...]

Introduction Java Micro Edition (Java ME) is a platform for running applications on smaller devices such as mobile phones, PDAs etc. These devices have restrictions in terms of Memory and Processing power. Java ME defines various configurations and profiles. Midlets are java applications that operate on Mobile Information Device Profile (MIDP) which is targeted on [...]

  SOA, in practicality web services, is becoming the enabler for application integration. Since the introduction of web services, Apache Software Foundation has played a major role and produced several good web services frameworks. This book covers the defector Java Web Service framework, also known as Apache Axis2. This book covers several important facts that [...]

Service-Oriented Architecture— An Integration Blueprint With the widespread use of service-oriented architecture (SOA), the integration of different IT systems has gained a new relevance. The era of isolated business information systems—so-called silos or stove-pipe architectures—is finally over. It is increasingly rare to find applications developed for a specific purpose that do not need to exchange [...]

Apache CXF Web Service Development Apache CXF is an open source services framework that makes web service development easy, simplified, and standard based. CXF provides many features such as frontend programming, support for different transports and data bindings, support for different protocols, and other advanced concepts like Features and Invokers. It also provides a programming [...]

RESTful Java Web ServicesThis article is sample chapter for the book RESTful Java Web Services. If you’re already familiar with REST theory, but are new to RESTful Java web services, and want to use the Java technology stack together with Java RESTful frameworks to create robust web services, this is the book for you. This book is [...]

Building SOA-Based Composite Applications Using NetBeans IDE 6 Composite applications aid businesses by stitching together various componented business capabilities. In the current enterprise scenario, empowering business users to react quickly to the rapidly changing business environment is the top most priority. With the advent of composite applications the ‘reuse’ paradigm has moved from the technical [...]

Processing XML documents with Oracle JDeveloper 11g While a number of books on XML are available, none covers XML support in Oracle JDeveloper. Welcome to Processing XML documents with Oracle JDeveloper 11g, a book that will teach you about using Oracle XML technologies in Oracle JDeveloper. XML is the standard medium of data exchange. Examples of data exchange using [...]

Complex Elements Complex elements are those which contain other elements as children or these elements have attributes. Empty elements and elements containing only text are also considered complex. The following is an examples of complex element 1 2 3 4 5 6 <employee grade="senior"> <id>745821</id> <empName>Tim</empName> <salary>35000</salary> <domain>Insurance</domain> </employee> Define Complex Type in XML schema [...]

XML schema is a language for describing the contents and structure of a XML document. It basically creates a blue print of the actual XML document by describing everything about the elements which can appear in the document. By creating a XML schema we make the XML document conform to the rules defined in the [...]