protected WSDLDataLocator() 
{

}

 protected WSDLDataLocator(ServiceData[] data) 
{
        dataList = data;
}

Constructor

Parameters:

data - an array of ServiceData instance defined in the ServiceData.xml for the WSDL dialect.

 public Data[] getData(DataRetrievalRequest request,
    MessageContext msgContext) throws DataRetrievalException 
{
        log.trace("Default WSDL DataLocator getData starts");
        request_Identifier = request.getIdentifier();
        serviceURL = msgContext.getTo().getAddress();
        OutputForm outputform = request.getOutputForm();
        if (outputform == null) { // not defined, defualt to inline
            outputform = OutputForm.INLINE_FORM;
        }
        Data[] output;
        String outputFormString = outputform.getType();
        if (outputform == OutputForm.INLINE_FORM) {
            output = outputInlineForm(msgContext, dataList);
        } else if (outputform == OutputForm.LOCATION_FORM) {
            output = outputLocationForm(dataList);
        } else if (outputform == OutputForm.REFERENCE_FORM) {
            output = outputReferenceForm(msgContext, dataList);
        } else {
            output = outputInlineForm(msgContext, dataList);
        }
        if (output == null) {
            if (log.isTraceEnabled()) {
                log.trace(
                        "Null data return! Data Locator does not know how to handle request for dialect= " +
                                request.getDialect() + " in the form of " + outputFormString);
            }
        }
        log.trace("Default WSDL DataLocator getData ends");
        return output;
}

getData API Implement data retrieval logic for WSDL dialect

 protected Data[] outputInlineForm(MessageContext msgContext,
    ServiceData[] dataList) throws DataRetrievalException 
{
        Data[]  result = super.outputInlineForm(msgContext, dataList);
        // Do not generate WSDL if Identifier was specified in the request as
        // (1) this is to support ?wsdl request; 
        // (2) Data for specified Identifier must be available to satisfy the GetMetadata request.
        if (result.length == 0) {
            log.trace("Default WSDL DataLocator attempt to generates WSDL.");
            if (msgContext != null) {
                theService = msgContext.getAxisService();
                serviceURL = msgContext.getTo().getAddress();
                theService.setEndpointURL(serviceURL);
            } else {
                throw new DataRetrievalException("MessageContext was not set!");
            }
            if (request_Identifier == null || request_Identifier.equals(theService.getTargetNamespace())) {
                AxisService2WSDL11 axisService2WOM;
                OMElement wsdlElement;
                try {
                    axisService2WOM = new AxisService2WSDL11(theService);
                    wsdlElement = axisService2WOM.generateOM();
                } catch (Exception e) {
                    log.debug(e);
                    throw new DataRetrievalException(e);
                }
                if (wsdlElement != null) {
                    log.trace("Default WSDL DataLocator successfully generated WSDL.");
                    result = new Data[1];
                    result[0] = new Data(wsdlElement, null);
                }
            }
        }
        return result;
}

 protected Data[] outputLocationForm(ServiceData[] serviceData) throws DataRetrievalException 
{
        Data[] result = super.outputLocationForm(serviceData);
        // Do not generate URL if Identifier was specified in the request as
        // (1) Axis2 ?wsdl URL request is not supporting Identifier; 
        // (2) URL data for specified Identifier must be available to satisfy
        //     the GetMetadata request.
        if (result.length == 0 && request_Identifier == null) {
            result = new Data[1];
            result[0] = new Data(serviceURL + "?wsdl", null);
        }
        return result;
}