From: http://jax-ws.java.net/nonav/2.1.4/docs/jaxws-war.html
The WAR Contents
Typically, one creates the WAR file with a GUI development tool or with the
ant
war
task from the generated artifacts from wsimport,
wsgen,
or
apt
tools.
For example, a sample WAR file starting from a WSDL file:
WEB-INF/classes/hello/HelloIF.class SEI WEB-INF/classes/hello/HelloImpl.class Endpoint WEB-INF/sun-jaxws.xml JAX-WS RI deployment descriptor WEB-INF/web.xml Web deployment descriptor WEB-INF/wsdl/HelloService.wsdl WSDL WEB-INF/wsdl/schema.xsd WSDL imports this Schema
The sun-jaxws.xml
File
The <endpoints>
element contain one or more <endpoint>
elements.
Each endpoint represents a port in the WSDL and it contains all information
about implementation class, servlet url-pattern, binding, WSDL, service,
port QNames. The following shows a sun-jaxws.xml
file
for a simple HelloWorld
service. sun-jaxws.xml is the schema instance
of sun-jaxws.xsd.
<?xml version="1.0" encoding="UTF-8"?> <endpoints xmlns="http://java.sun.com/xml/ns/jax-ws/ri/runtime" version="2.0"> <endpoint name="MyHello"implementation="hello.HelloImpl"
url-pattern="/hello"/> </endpoints>
-
endpoint can have the following attributes
-
Attribute Optional Use name
N Name of the endpoint wsdl
Y Primary wsdl file location in the WAR file. For e.g. WEB-INF/wsdl/HelloService.wsdl. If this isn't specified, JAX-WS will create and publish a new WSDL. When the service is developed from Java, it is recommended to omit this attribute. service
Y QName of WSDL service. For e.g. {http://example.org/}HelloService. When the service is developed from java, it is recommended to omit this attribute. port
Y QName of WSDL port. For e.g. {http://example.org/}HelloPort. When the service is developed from Java, it is recommended to omit this attribute. implementation
N Endpoint implementation class name. For e.g: hello.HelloImpl. The class should have @WebService annotation. Provider based implementation class should have @WebServiceProvider annotation. url-pattern
N Should match <url-pattern> in web.xml binding
Y Binding id defined in the JAX-WS API. The possible values are: "http://schemas.xmlsoap.org/wsdl/soap/http", "http://www.w3.org/2003/05/soap/bindings/HTTP/"
If omitted, it is considered SOAP1.1 binding.enable-mtom
Y Enables MTOM optimization. true or false. Default is false. - endpoint can have a optional handler-chain element
<?xml version="1.0" encoding="UTF-8"?> <endpoints ..."> <endpoint ...>
<handler-chain> <handler-chain-name>somename</handler-chain-name> <handler> <handler-name>MyHandler</handler-name> <handler-class>hello.MyHandler</handler-class> </handler> </handler-chain></endpoint> </endpoints>
The web.xml
File
The following shows a web.xml
file for a simple HelloWorld
service.
It specifies JAX-WS RIspecific listener, servlet classes. These classes are com.sun.ws.transport.http.servlet.WSServletContextListener, and com.sun.xml.ws.transport.http.servlet.WSServlet is servlet
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
"http://java.sun.com/j2ee/dtds/web-app_2_3.dtd">
<web-app>
<listener>
<listener-class>com.sun.xml.ws.transport.http.servlet.WSServletContextListener
</listener-class>
</listener>
<servlet>
<servlet-name>hello</servlet-name>
<servlet-class>com.sun.xml.ws.transport.http.servlet.WSServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>hello</servlet-name>
<url-pattern>/hello</url-pattern>
</servlet-mapping>
<session-config>
<session-timeout>60</session-timeout>
</session-config>
</web-app>
Remember these requirements when building a WAR:
- WSDL and auxiliary WSDL, Schema files should be packaged
- under WEB-INF/wsdl dir. It is recommended that they need not be packaged
- when the service is started from Java
- WebService implementation class should contain @WebService annotation.
- Provider based endpoints should have @WebServiceProvider annotation.
- wsdl, service, port attributes are mandatory for Provider based endpoints
- and can be specified in @WebServiceProvider annotation
- or deployment descriptor (sun-jaxws.xml).
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