Package it.bancaditalia.oss.vtl.engine

Interface Engine

All Known Implementing Classes:

JavaVTLEngine

public interface Engine

The main parsing engine. Classes implementing this interface provide a way to translate VTL source code into VTL operations that a Transformation Scheme can be applied to.

Author:

Valentino Pinna

Method Summary

Modifier and Type	Method	Description
Stream<Statement>	parseRules(InputStream inputStream, Charset charset)	Parse VTL Statements that will be read from the given input stream.
Stream<Statement>	parseRules(Reader reader)	Parse VTL Statements that will be read from the given reader.
Stream<Statement>	parseRules(String statements)	Parse a string containing VTL Statements.
Stream<Statement>	parseRules(Path path, Charset charset)	Parse VTL Statements that will be read from a file pointed by given Path.

Method Detail

parseRules

Stream<Statement> parseRules(String statements)

Parse a string containing VTL Statements.

Parameters:

statements - A String containing valid VTL syntax.

Returns:

A stream of statements.

parseRules

Stream<Statement> parseRules(Reader reader)
                      throws IOException

Parse VTL Statements that will be read from the given reader. The Reader will be consumed entirely and closed.

Parameters:

reader - A Reader containing valid VTL syntax.

Returns:

A stream of statements.

Throws:

IOException

parseRules

Stream<Statement> parseRules(InputStream inputStream,
                             Charset charset)
                      throws IOException

Parse VTL Statements that will be read from the given input stream. The InputStream will be consumed entirely and closed.

Parameters:

inputStream - An InputStream containing valid VTL syntax.

charset - The Charset to be used to translate characters from the stream.

Returns:

A stream of statements.

Throws:

IOException

parseRules

Stream<Statement> parseRules(Path path,
                             Charset charset)
                      throws IOException

Parse VTL Statements that will be read from a file pointed by given Path.

Parameters:

path - A Path describing a local file containing valid VTL syntax.

charset - The Charset to be used to translate characters from the file contents.

Returns:

A stream of statements.

Throws:

IOException