/// <summary>
/// Parses all input parameters of an input output element and adds them to
/// the <seealso cref="IoMapping"/>.
/// </summary>
/// <param name="inputOutputElement"> the input output element to process </param>
/// <param name="ioMapping"> the input output mapping to add input parameters to </param>
/// <exception cref="BpmnParseException"> if a input parameter element is malformed </exception>
public static void parseCamundaInputParameters(Element inputOutputElement, IoMapping ioMapping)
{
IList <Element> inputParameters = inputOutputElement.elementsNS(BpmnParse.CAMUNDA_BPMN_EXTENSIONS_NS, "inputParameter");
foreach (Element inputParameterElement in inputParameters)
{
parseInputParameterElement(inputParameterElement, ioMapping);
}
}
/// <summary>
/// Parses all output parameters of an input output element and adds them to
/// the <seealso cref="IoMapping" />.
/// </summary>
/// <param name="inputOutputElement"> the input output element to process </param>
/// <param name="ioMapping"> the input output mapping to add input parameters to </param>
/// <exception cref="BpmnParseException"> if a output parameter element is malformed </exception>
public static void ParseCamundaOutputParameters(Element inputOutputElement, IoMapping ioMapping)
{
var outputParameters = inputOutputElement.ElementsNS(BpmnParse.CamundaBpmnExtensionsNs,
"outputParameter");
foreach (var outputParameterElement in outputParameters)
{
ParseOutputParameterElement(outputParameterElement, ioMapping);
}
}
/// <summary>
/// Returns the <seealso cref="IoMapping" /> of an element.
/// </summary>
/// <param name="element"> the element to parse </param>
/// <returns> the input output mapping or null if non defined </returns>
/// <exception cref="BpmnParseException"> if a input/output parameter element is malformed </exception>
public static IoMapping ParseInputOutput(Element element)
{
var inputOutputElement = element.ElementNs(BpmnParse.CamundaBpmnExtensionsNs, "inputOutput");
if (inputOutputElement != null)
{
var ioMapping = new IoMapping();
ParseCamundaInputParameters(inputOutputElement, ioMapping);
ParseCamundaOutputParameters(inputOutputElement, ioMapping);
return(ioMapping);
}
return(null);
}
/// <summary>
/// Returns the <seealso cref="IoMapping"/> of an element.
/// </summary>
/// <param name="element"> the element to parse </param>
/// <returns> the input output mapping or null if non defined </returns>
/// <exception cref="BpmnParseException"> if a input/output parameter element is malformed </exception>
public static IoMapping parseInputOutput(Element element)
{
Element inputOutputElement = element.elementNS(BpmnParse.CAMUNDA_BPMN_EXTENSIONS_NS, "inputOutput");
if (inputOutputElement != null)
{
IoMapping ioMapping = new IoMapping();
parseCamundaInputParameters(inputOutputElement, ioMapping);
parseCamundaOutputParameters(inputOutputElement, ioMapping);
return(ioMapping);
}
return(null);
}
/// <summary>
/// Parses a input parameter and adds it to the <seealso cref="IoMapping" />.
/// </summary>
/// <param name="inputParameterElement"> the input parameter element </param>
/// <param name="ioMapping"> the mapping to add the element </param>
/// <exception cref="BpmnParseException"> if the input parameter element is malformed </exception>
public static void ParseInputParameterElement(Element inputParameterElement, IoMapping ioMapping)
{
var nameAttribute = inputParameterElement.GetAttributeValue("name");
if (ReferenceEquals(nameAttribute, null) || (nameAttribute.Length == 0))
{
throw new BpmnParseException("Missing attribute 'name' for inputParameter", inputParameterElement);
}
var valueProvider = ParseNestedParamValueProvider(inputParameterElement);
// add parameter
ioMapping.AddInputParameter(new InputParameter(nameAttribute, valueProvider));
}
/// <summary>
/// Parses a output parameter and adds it to the <seealso cref="IoMapping"/>.
/// </summary>
/// <param name="outputParameterElement"> the output parameter element </param>
/// <param name="ioMapping"> the mapping to add the element </param>
/// <exception cref="BpmnParseException"> if the output parameter element is malformed </exception>
public static void parseOutputParameterElement(Element outputParameterElement, IoMapping ioMapping)
{
string nameAttribute = outputParameterElement.attribute("name");
if (string.ReferenceEquals(nameAttribute, null) || nameAttribute.Length == 0)
{
throw new BpmnParseException("Missing attribute 'name' for outputParameter", outputParameterElement);
}
ParameterValueProvider valueProvider = parseNestedParamValueProvider(outputParameterElement);
// add parameter
ioMapping.addOutputParameter(new OutputParameter(nameAttribute, valueProvider));
}
