tDTDValidator Standard properties

Schema and Edit Schema

A schema is a row description, it defines the number of fields to be processed and passed on to the next component.

The schema of this component is read-only. It contains standard information regarding the file validation.

DTD file

Filepath to the reference DTD file.

XML file

Filepath to the XML file to be validated.

If XML is valid, display If XML is invalid, display

Type in a message to be displayed in the Run console based on the result of the comparison.

Print to console

Select this check box to display the validation message.

tStatCatcher Statistics

Select this check box to gather the processing metadata at the Job level as well as at each component level.

Global Variables

ERROR_MESSAGE: the error message generated by the component when an error occurs. This is an After variable and it returns a string. This variable functions only if the Die on error check box is cleared, if the component has this check box.

DIFFERENCE: the result of the validation. This is a Flow variable and it returns a string.

VALID: the validation result. This is a Flow variable and it returns a boolean.

A Flow variable functions during the execution of a component while an After variable functions after the execution of the component.

To fill up a field or expression with a variable, press Ctrl + Space to access the variable list and choose the variable to use from it.

For further information about variables, see Talend Studio User Guide.

Usage rule

This component can be used as standalone component but it is usually linked to an output component to gather the log data.