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Apache Axis is an open source, Java and XML based Web service framework consisting of an implementation of the SOAP server, and various utilities and API's for generating and deploying Web service applications. Using Apache Axis, developers can create interoperable, distributed computing applications. Besides the Java version, a C++ implementation is also available. Axis is developed under the auspices of the Apache Software Foundation. There are two ways to expose Java code as webservice. The easiest one is to use Axis native JWS (Java Web Service) files. Another way is to use custom deployment. Custom deployment enables you to customize resources that should be exposed as webservice.
JWS Webservice creation JWS files contain Java class source code that should be exposed as webservice. The main difference between an ordinary java file and jws file is the file extension. Another difference is that jws files are deployed as source code and not compiled class files. The following example is taken from http://ws.apache.org/axis/java/user-guide.html public class Calculator JWS webservice deployment Once the Axis servlet is deployed, you need only to copy the jws file to the Axis directory on the server. This will work if you are using a Jakarta Tomcat container. In the case that you are using another web container, custom WAR archive creation will be required. JWS webservice access JWS webservice is accessible using the URL "http://localhost:8080/axis/Calculator.jws". If you are running a custom configuration of Jakarta Tomcat or a different container, the URL might be different. Custom deployed webservice Custom webservice deployment requires a specific deployment descriptor called WSDD (Web Service Deployment Descriptor) syntax. It can be used to specify resources that should be exposed as webservices. Current version (1.3) supports Automated generation of WSDL When a webservice is exposed using Axis it will generate a WSDL file automatically when accessing the webservice URL with ?WSDL appended to it. Related technologies | |||||||||||||||||||||||||
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