Chapter TwentyWeb Services

20.1. Introduction

Java API for XML Web Services (JAX-WS) 2.0—JSR 224—is an important part of the Java EE 5 Platform. A follow-on release of Java API for XML-based RPC 1.1 (JAX-RPC), JAX-WS simplifies the task of developing Web services using Java technology. It addresses some of the issues in JAX-RPC 1.1 by providing support for multiple protocols such as SOAP 1.1, SOAP 1.2, XML, and by providing a facility for supporting additional protocols along with HTTP. JAX-WS uses JAXB 2.0 for data binding and supports customizations to control generated service endpoint interfaces. With its support for annotations, JAX-WS simplifies Web service development and reduces the size of runtime JAR files.

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