How to use

getSourceProductMap

method

in

org.esa.snap.core.gpf.annotations.ParameterDescriptorFactory

protected void initializeOperatorUI(final String operatorName, final Map<String, Object> parameterMap) {
  this.operatorName = operatorName;
  this.paramMap = parameterMap;
  final OperatorSpi operatorSpi = GPF.getDefaultInstance().getOperatorSpiRegistry().getOperatorSpi(operatorName);
  if (operatorSpi == null) {
    throw new IllegalArgumentException("operator " + operatorName + " not found");
  }
  final ParameterDescriptorFactory descriptorFactory = new ParameterDescriptorFactory();
  final OperatorDescriptor operatorDescriptor = operatorSpi.getOperatorDescriptor();
  final PropertySetDescriptor propertySetDescriptor;
  try {
    propertySetDescriptor = PropertySetDescriptorFactory.createForOperator(operatorDescriptor, descriptorFactory.getSourceProductMap());
  } catch (ConversionException e) {
    throw new IllegalStateException("Not able to init OperatorParameterSupport.", e);
  }
  propertySet = PropertyContainer.createMapBacked(paramMap, propertySetDescriptor);
  if (paramMap.isEmpty()) {
    try {
      propertySet.setDefaultValues();
    } catch (IllegalStateException e) {
      // todo - handle exception here
      e.printStackTrace();
    }
  }
}

public void addParameterToTable(ToolParameterDescriptor param, int index) {
  try {
    operator.getToolParameterDescriptors().add(index, param);
    PropertyDescriptor propertyDescriptor = ParameterDescriptorFactory.convert(param, new ParameterDescriptorFactory().getSourceProductMap());
    propertyDescriptor.setDefaultValue(param.getDefaultValue());
    DefaultPropertySetDescriptor propertySetDescriptor = new DefaultPropertySetDescriptor();
    propertySetDescriptor.addPropertyDescriptor(propertyDescriptor);
    PropertyContainer container = PropertyContainer.createMapBacked(new HashMap<>(), propertySetDescriptor);
    context.getPropertySet().addProperties(container.getProperties());
    createDefaultComponent(param, propertyDescriptor);
    fireTableRowsChanged();
  } catch (Exception ex){
    logger.warning(ex.getMessage());
  }
}

Object dirAttr = null;
if(oldProp != null) {
  PropertyDescriptor descriptor = ParameterDescriptorFactory.convert(property, new ParameterDescriptorFactory().getSourceProductMap());
  dirAttr = descriptor.getAttribute("directory");
  context.getPropertySet().removeProperty(oldProp);
  descriptor = ParameterDescriptorFactory.convert(property, new ParameterDescriptorFactory().getSourceProductMap());
} catch (Exception ex) {
  property.setDefaultValue(null);
  descriptor = ParameterDescriptorFactory.convert(property, new ParameterDescriptorFactory().getSourceProductMap());

if (operatorDescriptor != null) {
  try {
    propertySetDescriptor = PropertySetDescriptorFactory.createForOperator(operatorDescriptor, descriptorFactory.getSourceProductMap());
  } catch (ConversionException e) {
    throw new IllegalStateException("Not able to init OperatorParameterSupport.", e);

  propertyDescriptor = ParameterDescriptorFactory.convert(descriptor, new ParameterDescriptorFactory().getSourceProductMap());
} catch (ConversionException ex) {
  logger.warning(ex.getMessage());

  propertySet.removeProperty(property);
PropertyDescriptor propertyDescriptor = ParameterDescriptorFactory.convert(this.parameter, new ParameterDescriptorFactory().getSourceProductMap());

PropertyDescriptor propertyDescriptor = ParameterDescriptorFactory.convert(descriptor, new ParameterDescriptorFactory().getSourceProductMap());
if (defaultValue != null) {
  String defaultValueAsString = ToolParameterEditorDialog.processDefaultValue(defaultValue);

PropertyDescriptor propertyDescriptor = ParameterDescriptorFactory.convert(this.modifiedParameter, new ParameterDescriptorFactory().getSourceProductMap());
DefaultPropertySetDescriptor propertySetDescriptor = new DefaultPropertySetDescriptor();
propertySetDescriptor.addPropertyDescriptor(propertyDescriptor);