Jakarta XML Web Services

The Jakarta XML Web Services (JAX-WS; formerly Java API for XML Web Services) is a Jakarta EE API for creating web services, particularly SOAP services. JAX-WS is one of the Java XML programming APIs.

Jakarta XML Web Services
Other namesJava API for XML Web Services, JAX-WS
Original author(s)Sun Microsystems
Developer(s)Eclipse Foundation
Stable release
2.3.3 / February 19, 2020 (2020-02-19)
Repository
Written inJava
Operating systemCross-platform
PlatformJava
TypeApplication framework
LicenseEPL 2.0 or GPL v2 w/Classpath exception
Websiteprojects.eclipse.org/projects/ee4j.jaxws

Overview

The JAX-WS 2.2 specification JSR 224 defines a standard Java- to-WSDL mapping which determines how WSDL operations are bound to Java methods when a SOAP message invokes a WSDL operation. This Java-to-WSDL mapping determines which Java method gets invoked and how that SOAP message is mapped to the method’s parameters.

This mapping also determines how the method’s return value gets mapped to the SOAP response.

JAX-WS uses annotations, introduced in Java SE 5, to simplify the development and deployment of web service clients and endpoints. It is part of the Java Web Services Development Pack. JAX-WS can be used in Java SE starting with version 6.[1] As of Java SE 11, JAX-WS was removed. For details, see JEP 320.

JAX-WS 2.0 replaced the JAX-RPC API in Java Platform, Enterprise Edition 5 which leans more towards document style Web Services.

This API provides the core of Eclipse Metro.

JAX-WS also is one of the foundations of WSIT.

Standards Supported
  • JAX-WS 2.0/2.1/2.2 (JSR 224)
  • WS-I Basic Profile 1.2 and 2.0
  • WS-I Attachments Profile 1.0
  • WS-I Simple SOAP Binding Profile 1.0
  • WS-Addressing 1.0 - Core, SOAP Binding, WSDL Binding

Main JWS Packages
PackageDescription
javax.xml.ws Has the Core JAX-WS APIs
javax.xml.ws.http Has APIs specific to XML/HTTP Binding
javax.xml.ws.soap Has APIs specific to SOAP/HTTP Binding
javax.xml.ws.handler Has APIs for message handlers
javax.xml.ws.spi defines SPIs for JAX-WS
javax.xml.ws.spi.http Provides HTTP SPI that is used for portable deployment of JAX-WS in containers
javax.xml.ws.wsaddressing Has APIs related to WS-Addressing
javax.jws Has APIs specific to Java to WSDL mapping annotations
javax.jws.soap Has APIs for mapping the Web Service onto the SOAP protocol
Java EE 7
SpecificationVersionStds. BodyJSR/Url
JAX-WS 2.3 JCP 224
Web Services 1.3 JCP 109
WS Metadata 2.1 JCP 181
JAXB 2.2 JCP 222
SAAJ 1.3 JCP 67
SOAP 1.2 W3C soap
XML 1.1 W3C xml
WSDL 1.1 W3C wsdl

Implementations

References
  1. Yang, Young (June 3, 2007). "JAX-WS Web Services Without Java EE Containers".
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