The Spring Framework

## org.springframework.remoting.caucho
Class HessianServiceExporter

    java.lang.Object
      org.springframework.remoting.support.RemotingSupport
          org.springframework.remoting.support.RemoteExporter
              org.springframework.remoting.caucho.HessianExporter
                  org.springframework.remoting.caucho.HessianServiceExporter

All Implemented Interfaces:
  BeanClassLoaderAware, InitializingBean, HttpRequestHandler

    public class HessianServiceExporter

extends HessianExporter
implements HttpRequestHandler

Servlet-API-based HTTP request handler that exports the specified service bean as Hessian service endpoint, accessible via a Hessian proxy.

Note: Spring also provides an alternative version of this exporter, for Sun's JRE 1.6 HTTP server: `SimpleHessianServiceExporter`.

Hessian is a slim, binary RPC protocol. For information on Hessian, see the Hessian website.

This exporter will work with both Hessian 2.x and 3.x (respectively Resin 2.x and 3.x), autodetecting the corresponding skeleton class. As of Spring 2.0, it is also compatible with the new Hessian 2 protocol (a.k.a. Hessian 3.0.20+), while remaining compatible with older versions.

Note: Hessian services exported with this class can be accessed by any Hessian client, as there isn't any special handling involved.

Since:
  13.05.2003
Author:
  Juergen Hoeller
See Also:
  `HessianClientInterceptor`, `HessianProxyFactoryBean`, `BurlapServiceExporter`, `HttpInvokerServiceExporter`, `RmiServiceExporter`

Field Summary

Fields inherited from class org.springframework.remoting.support.RemotingSupport
`logger`

Constructor Summary
`HessianServiceExporter()`

Method Summary
`void` `handleRequest(HttpServletRequest request, HttpServletResponse response)` Processes the incoming Hessian request and creates a Hessian response.

Methods inherited from class org.springframework.remoting.caucho.HessianExporter
`afterPropertiesSet, invoke, prepare, setDebug, setSendCollectionType, setSerializerFactory`

Methods inherited from class org.springframework.remoting.support.RemoteExporter
`checkService, checkServiceInterface, getExporterName, getProxyForService, getService, getServiceInterface, isRegisterTraceInterceptor, setRegisterTraceInterceptor, setService, setServiceInterface`

Methods inherited from class org.springframework.remoting.support.RemotingSupport
`getBeanClassLoader, overrideThreadContextClassLoader, resetThreadContextClassLoader, setBeanClassLoader`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### HessianServiceExporter

    public HessianServiceExporter()

Method Detail

### handleRequest

    public void handleRequest(HttpServletRequest request,
                              HttpServletResponse response)
                       throws ServletException,
                              IOException

  Processes the incoming Hessian request and creates a Hessian response.

  Specified by:
    `handleRequest` in interface `HttpRequestHandler`
  Parameters:
    `request` - current HTTP request
    `response` - current HTTP response
  Throws:
    `ServletException` - in case of general errors
    `IOException` - in case of I/O errors

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