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## oracle.portal.provider.v2.webservice
Class RPCWebServiceRenderer

    java.lang.Object
      |
      +--oracle.portal.provider.v2.render.ManagedRenderer
            |
            +--oracle.portal.provider.v2.render.http.BaseManagedRenderer
                  |
                  +--oracle.portal.provider.v2.webservice.WebServiceRenderer
                        |
                        +--oracle.portal.provider.v2.webservice.RPCWebServiceRenderer

All Implemented Interfaces:
  InitializableXMLObject, Validateable

Direct Known Subclasses:
  HTMLStringWebServiceRenderer, XMLStringWebServiceRenderer

public class RPCWebServiceRenderer
extends WebServiceRenderer

`RPCWebServiceRenderer` is a specialized `WebServiceRenderer` for invoking 'RPC style' web services. An RPC style web service communicates using a specialized syntax to encode remote procedure calls and can be identified from a `<soap:binding style="rpc">` declaration in a WSDL (Web Services Description Language) interface description. The request to the web service enodes an argument list to a method to be called on the remote service, while its response encodes the method's return value or an exception if an error occurs.

`RPCWebServiceRenderer` builds on the automated support for RPC style web services built in to Oracle JDeveloper version 9.0.2 and later. It assumes that you have used JDeveloper to analyze the web service's WSDL document and automatically generate a 'stub' or 'proxy' class for the web service which translates from Java method calls into remote procedure calls on the web service. Consult the JDeveloper section of otn.oracle.com to find out how to download JDeveloper, and consult the JDeveloper online help for details of how to generate Web Service Stubs.

Note that as well as using the `param` property to define simple parameters to a web service method, the `literal` property may be used to defined parameter bindings to a method which accepts one or more `org.w3c.dom.Element` objects.

Nested Class Summary

Nested classes inherited from class oracle.portal.provider.v2.webservice.WebServiceRenderer
`WebServiceRenderer.ConstParam, WebServiceRenderer.DefaultableParameterBinding, WebServiceRenderer.EditData, WebServiceRenderer.ParameterBinding, WebServiceRenderer.PromptedBinding, WebServiceRenderer.RequestParam, WebServiceRenderer.SessionAttrib, WebServiceRenderer.URLParam`

Constructor Summary
`RPCWebServiceRenderer()`

Method Summary
`void` | `addParam(java.lang.Object param)` Defines a parameter to be passed to the render method.
`void` | `addParam(java.lang.String param)` Defines a constant parameter to be passed to the render method.
`void` | `invokeService(WebServiceRenderRequest wrr, org.w3c.dom.Element docEl)` Determines the values of parameter bindings using the given `WebServiceRenderRequest`, invokes the method on the web service stub, and adds an XML representation of its return value to the response XML document.
`void` | `postInitialize()` Performs the extra steps required to initialize and validate an `RPCWebServiceRenderer` once its properties have been set with the appropriate accessor methods.
`void` | `setClassName(java.lang.String className)` Sets the fully-qualified class name of the web service Java stub.
`void` | `setRenderMethod(java.lang.String methodName)` Sets the name of the method to be called on an instance of the web service stub to render a request.

Methods inherited from class oracle.portal.provider.v2.webservice.WebServiceRenderer
`addLiteral, getBindings, getEscapeOutput, getLiteral, getLogging, getLoggingDirectory, renderBody, renderEdit, renderEditDefaults, renderLink, renderShow, setEscapeOutput, setLogging, setLoggingDirectory, setResponseXSL, validate`

Methods inherited from class oracle.portal.provider.v2.render.http.BaseManagedRenderer
`addParameter, getContentType, getGeneratesESI, preInitialize, prepareResponse, setContentType, setGeneratesESI, setGeneratesESI, setPageExpires, setPageExpires, setUseInvalidationCaching, setUseInvalidationCaching`

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

Constructor Detail

### RPCWebServiceRenderer

    public RPCWebServiceRenderer()

Method Detail

### postInitialize

    public void postInitialize()
                        throws NodeHandlerException

  Performs the extra steps required to initialize and validate an `RPCWebServiceRenderer` once its properties have been set with the appropriate accessor methods.

  Specified by:
    `postInitialize` in interface `InitializableXMLObject`
  Overrides:
    `postInitialize` in class `WebServiceRenderer`
  Throws:
    `NodeHandlerException` - if not all properties have been set correctly

### setClassName

    public void setClassName(java.lang.String className)

  Sets the fully-qualified class name of the web service Java stub.

  Parameters:
    `className` - fully-qualified class name.

### setRenderMethod

    public void setRenderMethod(java.lang.String methodName)

  Sets the name of the method to be called on an instance of the web service stub to render a request.

  Parameters:
    `methodName` - a method name.

### addParam

    public void addParam(java.lang.Object param)
                  throws PortletException

  Defines a parameter to be passed to the render method. The parameter value will be converted to the appropriate type, according to the argument list of the method.

  Parameters:
    `param` - object representing a parameter to be passed to the render method. Should be a subclass of `WebServiceRenderer.ParameterBinding`.
  Throws:
    `PortletException` - if the given object is not a valid `WebServiceRenderer.ParameterBinding`

### addParam

    public void addParam(java.lang.String param)

  Defines a constant parameter to be passed to the render method. The parameter value will be converted to the appropriate type, according to the argument list of the method. This is provided as a shorthand for calling `addParam(Object)` with an instance of `WebServiceRenderer.ConstParam`.

  Parameters:
    `param` - constant value to be passed as an argument to the render method.

### invokeService

    public void invokeService(WebServiceRenderRequest wrr,
                              org.w3c.dom.Element docEl)
                       throws PortletException

  Determines the values of parameter bindings using the given `WebServiceRenderRequest`, invokes the method on the web service stub, and adds an XML representation of its return value to the response XML document.

  Specified by:
    `invokeService` in class `WebServiceRenderer`
  Parameters:
    `wrr` - an object exposing the relevant properties of the current render request
    `docEl` - the document element of the XML document to which an XML representation of the response should be added
  Throws:
    `PortletException` - if an error occurs.

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