org.openrdf.rio.helpers
Class StatementCollector

java.lang.Object
  org.openrdf.rio.helpers.RDFHandlerBase
      org.openrdf.rio.helpers.StatementCollector

All Implemented Interfaces:

RDFHandler

public class StatementCollector
extends RDFHandlerBase

A RDFHandler that can be used to collect reported statements in collections.

Author:

Arjohn Kampman

Constructor Summary

StatementCollector()
Creates a new StatementCollector that uses a new ArrayList to store the reported statements and a new LinkedHashMap to store the reported namespaces.

StatementCollector(Collection<Statement> statements)
Creates a new StatementCollector that stores reported statements in the supplied collection and that uses a new LinkedHashMap to store the reported namespaces.

StatementCollector(Collection<Statement> statements, Map<String,String> namespaces)
Creates a new StatementCollector that stores reported statements and namespaces in the supplied containers.

Method Summary

void	clear() Clear the set of collected statements.
Map<String,String>	getNamespaces() Gets the map that contains the collected namespaces.
Collection<Statement>	getStatements() Gets the collection that contains the collected statements.
void	handleNamespace(String prefix, String uri) Handles a namespace declaration/definition.
void	handleStatement(Statement st) Handles a statement.

Methods inherited from class org.openrdf.rio.helpers.RDFHandlerBase

endRDF, handleComment, startRDF

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

StatementCollector

public StatementCollector()

Creates a new StatementCollector that uses a new ArrayList to store the reported statements and a new LinkedHashMap to store the reported namespaces.

StatementCollector

public StatementCollector(Collection<Statement> statements)

Creates a new StatementCollector that stores reported statements in the supplied collection and that uses a new LinkedHashMap to store the reported namespaces.

StatementCollector

public StatementCollector(Collection<Statement> statements,
                          Map<String,String> namespaces)

Creates a new StatementCollector that stores reported statements and namespaces in the supplied containers.

Method Detail

clear

public void clear()

Clear the set of collected statements.

getStatements

public Collection<Statement> getStatements()

Gets the collection that contains the collected statements.

getNamespaces

public Map<String,String> getNamespaces()

Gets the map that contains the collected namespaces.

handleNamespace

public void handleNamespace(String prefix,
                            String uri)
                     throws RDFHandlerException

Description copied from interface: RDFHandler

Handles a namespace declaration/definition. A namespace declaration associates a (short) prefix string with the namespace's URI. The prefix for default namespaces, which do not have an associated prefix, are represented as empty strings.

Specified by:

handleNamespace in interface RDFHandler

Overrides:

handleNamespace in class RDFHandlerBase

Parameters:

prefix - The prefix for the namespace, or an empty string in case of a default namespace.

uri - The URI that the prefix maps to.

Throws:

RDFHandlerException - If the RDF handler has encountered an unrecoverable error.

handleStatement

public void handleStatement(Statement st)

Description copied from interface: RDFHandler

Handles a statement.

Specified by:

handleStatement in interface RDFHandler

Overrides:

handleStatement in class RDFHandlerBase

Parameters:

st - The statement.