org.mulgara.mrg.writer
Interface GraphWriter

All Known Implementing Classes:

N3Writer, XMLWriter

public interface GraphWriter

Method Summary

Map<String,URI>	getNamespaces() Gets a mapping of prefixes to their namespaces.
void	resetNamespaces() Clears out the prefix/namespace set.
void	scanNamespaces() Scans the URIs in the graph to find all the namespaces.
void	setNamespaces(Map<String,URI> ns) Registers a set of prefix/namespace pairs to use when writing the graph.
void	setNamespacesByString(Map<String,String> ns) Registers a set of prefix/namespace pairs to use when writing the graph.
void	writeTo(OutputStream out) Writes the graph to a stream.

Method Detail

setNamespaces

void setNamespaces(Map<String,URI> ns)

Registers a set of prefix/namespace pairs to use when writing the graph.

Parameters:

ns - A map of prefix strings to namespace URIs.

setNamespacesByString

void setNamespacesByString(Map<String,String> ns)
                           throws URISyntaxException

Registers a set of prefix/namespace pairs to use when writing the graph.

Parameters:

ns - A map of prefix strings to namespace strings.

Throws:

URISyntaxException - If one or more of the namespaces is not a valid URI.

resetNamespaces

void resetNamespaces()

Clears out the prefix/namespace set.

scanNamespaces

void scanNamespaces()

Scans the URIs in the graph to find all the namespaces. Namespace prefixes will be automatically generated, except where namespaces are recognized.

getNamespaces

Map<String,URI> getNamespaces()

Gets a mapping of prefixes to their namespaces.

Returns:

a map with prefixes as keys and namespace URIs as values.

writeTo

void writeTo(OutputStream out)
             throws IOException

Writes the graph to a stream.

Parameters:

out - The stream to write the graph to.

Throws:

IOException