What is Spring Web Services?

Spring Web Services (Spring-WS) is a framework for creating SOAP-based web services using Spring. It simplifies the development of contract-first web services, meaning you start with a WSDL (Web Services Description Language) document and then build the service based on that contract. It is commonly used to implement robust and interoperable web services, particularly in enterprise environments where SOAP is required for legacy systems or compliance reasons. While REST-based services are more prevalent now, Spring-WS remains relevant for specific SOAP-based integration needs.