Class SpringRESTClientConnector

  • All Implemented Interfaces:
    RESTClientCalls

    public class SpringRESTClientConnector
    extends RESTClientConnector
    RESTClient is responsible for issuing calls to the server's REST APIs. It is supported through a connector because there are often changes in this integration and it saves maintenance work if all Egeria clients use this connector.
    • Method Detail

      • initialize

        public void initialize​(String connectorInstanceId,
                               ConnectionProperties connectionProperties)
        Initialize the connector.
        Overrides:
        initialize in class ConnectorBase
        Parameters:
        connectorInstanceId - - unique id for the connector instance - useful for messages etc
        connectionProperties - - POJO for the configuration used to create the connector.
      • callGetRESTCallNoParams

        public <T> T callGetRESTCallNoParams​(String methodName,
                                             Class<T> returnClass,
                                             String urlTemplate)
                                      throws RESTServerException
        Issue a GET REST call that returns a response object.
        Type Parameters:
        T - type of the return object
        Parameters:
        methodName - name of the method being called.
        returnClass - class of the response object.
        urlTemplate - template of the URL for the REST API call with place-holders for the parameters.
        Returns:
        response object
        Throws:
        RESTServerException - something went wrong with the REST call stack.
      • callGetRESTCall

        public <T> T callGetRESTCall​(String methodName,
                                     Class<T> returnClass,
                                     String urlTemplate,
                                     Object... params)
                              throws RESTServerException
        Issue a GET REST call that returns a response object.
        Type Parameters:
        T - type of the return object
        Parameters:
        methodName - name of the method being called.
        returnClass - class of the response object.
        urlTemplate - template of the URL for the REST API call with place-holders for the parameters.
        params - a list of parameters that are slotted into the url template.
        Returns:
        response object
        Throws:
        RESTServerException - something went wrong with the REST call stack.
      • callPostRESTCallNoParams

        public <T> T callPostRESTCallNoParams​(String methodName,
                                              Class<T> returnClass,
                                              String urlTemplate,
                                              Object requestBody)
                                       throws RESTServerException
        Issue a POST REST call that returns a response object. This is typically a create, update, or find with complex parameters.
        Type Parameters:
        T - type of the return object
        Parameters:
        methodName - name of the method being called.
        returnClass - class of the response object.
        urlTemplate - template of the URL for the REST API call with place-holders for the parameters.
        requestBody - request body for the request.
        Returns:
        Object
        Throws:
        RESTServerException - something went wrong with the REST call stack.
      • callPostRESTCall

        public <T> T callPostRESTCall​(String methodName,
                                      Class<T> returnClass,
                                      String urlTemplate,
                                      Object requestBody,
                                      Object... params)
                               throws RESTServerException
        Issue a POST REST call that returns a response object. This is typically a create, update, or find with complex parameters.
        Type Parameters:
        T - type of the return object
        Parameters:
        methodName - name of the method being called.
        returnClass - class of the response object.
        urlTemplate - template of the URL for the REST API call with place-holders for the parameters.
        requestBody - request body for the request.
        params - a list of parameters that are slotted into the url template.
        Returns:
        Object
        Throws:
        RESTServerException - something went wrong with the REST call stack.
      • callPutRESTCall

        public <T> T callPutRESTCall​(String methodName,
                                     Class<T> returnClass,
                                     String urlTemplate,
                                     Object requestBody,
                                     Object... params)
                              throws RESTServerException
        Issue a PUT REST call that returns a response object. This is typically an update.
        Type Parameters:
        T - type of the return object
        Parameters:
        methodName - name of the method being called.
        returnClass - class of the response object.
        urlTemplate - template of the URL for the REST API call with place-holders for the parameters.
        requestBody - request body for the request.
        params - a list of parameters that are slotted into the url template.
        Returns:
        Object
        Throws:
        RESTServerException - something went wrong with the REST call stack.
      • callDeleteRESTCallNoParams

        public <T> T callDeleteRESTCallNoParams​(String methodName,
                                                Class<T> returnClass,
                                                String urlTemplate,
                                                Object requestBody)
                                         throws RESTServerException
        Issue a DELETE REST call that returns a response object.
        Type Parameters:
        T - type of the return object
        Parameters:
        methodName - name of the method being called.
        returnClass - class of the response object.
        urlTemplate - template of the URL for the REST API call with place-holders for the parameters.
        requestBody - request body for the request.
        Returns:
        Object
        Throws:
        RESTServerException - something went wrong with the REST call stack.
      • callDeleteRESTCall

        public <T> T callDeleteRESTCall​(String methodName,
                                        Class<T> returnClass,
                                        String urlTemplate,
                                        Object requestBody,
                                        Object... params)
                                 throws RESTServerException
        Issue a DELETE REST call that returns a response object.
        Type Parameters:
        T - type of the return object
        Parameters:
        methodName - name of the method being called.
        returnClass - class of the response object.
        urlTemplate - template of the URL for the REST API call with place-holders for the parameters.
        requestBody - request body for the request.
        params - a list of parameters that are slotted into the url template.
        Returns:
        Object
        Throws:
        RESTServerException - something went wrong with the REST call stack.
      • callPostRESTCall

        public <T> T callPostRESTCall​(String methodName,
                                      org.springframework.core.ParameterizedTypeReference<T> responseType,
                                      String urlTemplate,
                                      Object requestBody,
                                      Object... params)
                               throws RESTServerException
        Issue a POST REST call that returns a response object. This is typically a create, update, or find with complex parameters.
        Type Parameters:
        T - type of the return object
        Parameters:
        methodName - name of the method being called.
        responseType - class of the response for generic object.
        urlTemplate - template of the URL for the REST API call with place-holders for the parameters.
        requestBody - request body for the request.
        params - a list of parameters that are slotted into the url template.
        Returns:
        Object
        Throws:
        RESTServerException - something went wrong with the REST call stack.
      • callGetRESTCall

        public <T> T callGetRESTCall​(String methodName,
                                     org.springframework.core.ParameterizedTypeReference<T> responseType,
                                     String urlTemplate,
                                     Object... params)
                              throws RESTServerException
        Issue a GET REST call that returns a response object.
        Type Parameters:
        T - type of the return object
        Parameters:
        methodName - name of the method being called.
        responseType - class of the response for generic object.
        urlTemplate - template of the URL for the REST API call with place-holders for the parameters.
        params - a list of parameters that are slotted into the url template.
        Returns:
        response object
        Throws:
        RESTServerException - something went wrong with the REST call stack.
      • callDeleteRESTCall

        public <T> T callDeleteRESTCall​(String methodName,
                                        org.springframework.core.ParameterizedTypeReference<T> responseType,
                                        String urlTemplate,
                                        Object requestBody,
                                        Object... params)
                                 throws RESTServerException
        Issue a DELETE REST call that returns a response object.
        Type Parameters:
        T - type of the return object
        Parameters:
        methodName - name of the method being called.
        responseType - class of the response for generic object.
        urlTemplate - template of the URL for the REST API call with place-holders for the parameters.
        requestBody - request body for the request.
        params - a list of parameters that are slotted into the url template.
        Returns:
        Object
        Throws:
        RESTServerException - something went wrong with the REST call stack.
      • callPutRESTCall

        public <T> T callPutRESTCall​(String methodName,
                                     org.springframework.core.ParameterizedTypeReference<T> responseType,
                                     String urlTemplate,
                                     Object requestBody,
                                     Object... params)
                              throws RESTServerException
        Issue a PUT REST call that returns a response object. This is typically an update.
        Type Parameters:
        T - type of the return object
        Parameters:
        methodName - name of the method being called.
        responseType - class of the response for generic object.
        urlTemplate - template of the URL for the REST API call with place-holders for the parameters.
        requestBody - request body for the request.
        params - a list of parameters that are slotted into the url template.
        Returns:
        Object
        Throws:
        RESTServerException - something went wrong with the REST call stack.