Java J2ee Planet

I was searching over internet for a simple tutorial how to create a webservice. I think this best tutorial I have found. This tutorial shows how to create a simple Web service and Web service client from a Java class. The Java class in this scenario converts between the Celsius and Farenheit temperature scales. Example 1       |       Exapmle 2  

What are web services? A web service is a business function that is self-contained and operates over the internet. The W3C defined web service as "a software system designed to support interoperable machine-to-machine interaction over a network". XML is the base for the web services. They communicate using open protocols. Web services are more frequently like Web APIs. These services accessibility can be from internet. A remote system can host these services for different web services. A web service can convert a stand alone / desktop application into a web based / web application. A web services are published or found and utilized through the internet. The web services works on the XML + HTTP platform. Explain each web service technologies - SOAP, WSDL, UDDI, eBXML and JAX pack.

The Best Tutorials for RESTful WebServices using JAX-RS. This video tutorial is the best to learn RESTful webservices, since it got more hits and likes on YouTube.

Web Services technologies are widely adopted and are the best choice for candidates aspiring for Service Oriented Architecture (SOA). Information Technology increasingly needs to integrate various heterogeneous application systems, and one of the best ways to integrate them is by using Web Services. In other words, Web Services enable disparate systems to communicate with each other in a platform-independent way.The (SCDJWS) Sun Certified Developer for Java Web Services certification exam is for developers who have been creating web services applications using Java technology components such as those supported by the Java Web Services Developer Pack and the Java 2, Enterprise Edition 1.4 platform. Passing SCDJWS certifies that the candidate has achieved a standard level of proficiency with web services, as well as with the Java technologies that support web services. To take SCDJWS Certification, you must have already achieved the status of Sun Certified Programmer for the Java 2 Pla...

There are a variety of tools available for the Web Services. Microsoft Has C# as the development language for Web services and .NET framework. Sun Microsystems has JAX/RPC (Java API for XML Remote Procedure Calls) and JAXR (Java API for XML Registries). IBM also has Web Services Toolkit (WSTK), WSDL Toolkit, and Web Services Development Environment (WSDE). Apache Axis is an implementation of the SOAP ("Simple Object Access Protocol")

Basically Web services mitigate the application integration crisis. It helps integrating applications at a significantly lower price point than any other integration technology. It’s a new kind of middleware based on XML and the Web. XML and the Web help solve the challenges associated with traditional application-to-application integration like heterogeneity. They are platform and language independent. Web Services has following advantages: 1.      Exposing your API onto a network Connecting Different Applications 2.      Low Cost of communication 3.      Support for Loosely Coupled Applications 4.      Web Services are Self Describing using WSDL 5.      Automatic Discovery using UDDI 6.      Business Opportunity to grow your business

There are a variety of tools available for the Web Services. Microsoft Has C# as the development language for Web services and .NET framework. Sun Microsystems has JAX/RPC( JAVA API for XML Remote Procedure Calls) and JAXR (Java API for XML Registries). IBM also has Web Services Toolkit (WSTK), WSDL Toolkit, and Web Services Development Environment (WSDE). Apache Axis is an implementation of the SOAP ("Simple Object Access Protocol")

In simple words this is a way for describing available Web services components. It allows Different web Services to register with an internet Directory that helps to advertise web services So one can find another service here and can use that. It is usually done with XML and HTTPS.

Basically Web services mitigate the application integration crisis. It helps integrating applications at a significantly lower price point than any other integration technology. It’s a new kind of middleware based on XML and the Web. XML and the Web help solve the challenges associated with traditional application-to-application integration like heterogeneity. They are platform and language independent. Web Services has following advantages: Exposing your API onto a network Connecting Different Applications Low Cost of communication Support for Loosely Coupled Applications Web Services are Self Describing using WSDL Automatic Discovery using UDDI Business Opportunity to grow your business

Introduction to Web Services Web Services became a hot new technology in 2002. Microsoft first coined the term "Web Services" in June of 2000 when it introduced Web Services as a major component of its .NET technology aimed at revolutionizing distributed computing. I see it as a new vision for using the Internet in the development, engineering and use of software. Web services standards are emerging. Several technologies combine to make up "Web Services". The main standard is Extensible Markup Language, XML. XML was developed by the World Wide Web Consortium ( W3.org ) It is a meta-language for describing data and creating additional markup languages. XML tags form individual pieces of data. An XML document is text-based and is made up of XML tags. XML is portable and has been rapidly adopted throughout the industry, thus making it the preferred choice for enabling cross-platform data communication in Web Services. XML provided the basis for many core W...

Java™ Web Services Tutorial is a guide to developing Web applications with the Java Web Services Developer Pack (Java WSDP). The Java WSDP is an all-in-one download containing key technologies to simplify building of Web services using the Java 2 Platform. Download PDF..

You can find supporting marshallers in Spring Webservices. Try out a suitable one yourself, perhaps a JDomMarshaller.

Java Architecture for XML Binding (JAXB) is an API/framework that binds XML schema to Java representations. Java objects may then subsequently be used to marshal or unmarshal XML documents. Marshalling an XML document means creating an XML document from Java objects. Unmarshalling means creating creating a Java representation of an XML document (or, in effect, the reverse of marshaling). You retrieve the element and attribute values of the XML document from the Java representation. The JAXB 2.0 specification is implemented in JWSDP 2.0. JAXB 2.0 has some new features, which facilitate the marshalling and unmarshalling of an XML document. JAXB 2.0 also allows you to map a Java object to an XML document or an XML Schema. Some of the new features in JAXB 2.0 include: Smaller runtime libraries are required for JAXB 2.0, which require lesser runtime memory. Significantly, fewer Java classes are generated from a schema, compared to JAXB 1.0. For each top-level complexType, 2.0 generates a v...