Package org.eclipse.rdf4j.query.resultio

Class QueryResultFormat

java.lang.Object

org.eclipse.rdf4j.common.lang.FileFormat

org.eclipse.rdf4j.query.resultio.QueryResultFormat

Direct Known Subclasses:

BooleanQueryResultFormat, TupleQueryResultFormat

public class QueryResultFormat
extends FileFormat

The base class of all file formats that represent the results of queries. Currently this includes tuple and boolean queries.

Author:

Peter Ansell

Field Summary

Fields

Modifier and Type	Field	Description
protected static IRI	SPARQL_RESULTS_CSV_URI	Local constant for tuple formats for SPARQL Results CSV.
protected static IRI	SPARQL_RESULTS_JSON_URI	Local constant reused across boolean and tuple formats for SPARQL Results JSON.
protected static IRI	SPARQL_RESULTS_TSV_URI	Local constant for tuple formats for SPARQL Results TSV.
protected static IRI	SPARQL_RESULTS_XML_URI	Local constant reused across boolean and tuple formats for SPARQL Results XML.

Constructor Summary

Constructors

Constructor	Description
QueryResultFormat(String name, String mimeType, Charset charset, String fileExt)
QueryResultFormat(String name, String mimeType, Charset charset, Collection<String> fileExtensions)
QueryResultFormat(String name, Collection<String> mimeTypes, Charset charset, Collection<String> fileExtensions)
QueryResultFormat(String name, Collection<String> mimeTypes, Charset charset, Collection<String> fileExtensions, IRI standardURI)

Method Summary

Modifier and Type	Method	Description
IRI	getStandardURI()
boolean	hasStandardURI()

Methods inherited from class org.eclipse.rdf4j.common.lang.FileFormat

equals, getCharset, getDefaultFileExtension, getDefaultMIMEType, getFileExtensions, getMIMETypes, getName, hasCharset, hasDefaultFileExtension, hasDefaultMIMEType, hasFileExtension, hashCode, hasMIMEType, matchFileName, matchMIMEType, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Details

SPARQL_RESULTS_XML_URI

protected static final IRI SPARQL_RESULTS_XML_URI

Local constant reused across boolean and tuple formats for SPARQL Results XML.

SPARQL_RESULTS_JSON_URI

protected static final IRI SPARQL_RESULTS_JSON_URI

Local constant reused across boolean and tuple formats for SPARQL Results JSON.

SPARQL_RESULTS_CSV_URI

protected static final IRI SPARQL_RESULTS_CSV_URI

Local constant for tuple formats for SPARQL Results CSV.

SPARQL_RESULTS_TSV_URI

protected static final IRI SPARQL_RESULTS_TSV_URI

Local constant for tuple formats for SPARQL Results TSV.

Constructor Details

QueryResultFormat

public QueryResultFormat(String name,
 String mimeType,
 Charset charset,
 String fileExt)

Parameters:

name - The name of the format, e.g. "SPARQL/XML".

mimeType - The MIME type of the format, e.g. application/sparql-results+xml for the SPARQL/XML file format.

charset - The default character encoding of the format. Specify null if not applicable.

fileExt - The (default) file extension for the format, e.g. srx for SPARQL/XML files.

QueryResultFormat

public QueryResultFormat(String name,
 String mimeType,
 Charset charset,
 Collection<String> fileExtensions)

Parameters:

name - The name of the format, e.g. "SPARQL/XML".

mimeType - The MIME type of the format, e.g. application/sparql-results+xml for the SPARQL/XML format.

charset - The default character encoding of the format. Specify null if not applicable.

fileExtensions - The format's file extensions, e.g. srx for SPARQL/XML files. The first item in the list is interpreted as the default file extension for the format.

QueryResultFormat

public QueryResultFormat(String name,
 Collection<String> mimeTypes,
 Charset charset,
 Collection<String> fileExtensions)

Parameters:

name - The name of the format, e.g. "SPARQL/XML".

mimeTypes - The MIME types of the format, e.g. application/sparql-results+xml for the SPARQL/XML format. The first item in the list is interpreted as the default MIME type for the format.

charset - The default character encoding of the format. Specify null if not applicable.

fileExtensions - The format's file extensions, e.g. srx for SPARQL/XML files. The first item in the list is interpreted as the default file extension for the format.

QueryResultFormat

public QueryResultFormat(String name,
 Collection<String> mimeTypes,
 Charset charset,
 Collection<String> fileExtensions,
 IRI standardURI)

Parameters:

name - The name of the format, e.g. "SPARQL/XML".

mimeTypes - The MIME types of the format, e.g. application/sparql-results+xml for the SPARQL/XML format. The first item in the list is interpreted as the default MIME type for the format.

charset - The default character encoding of the format. Specify null if not applicable.

fileExtensions - The format's file extensions, e.g. srx for SPARQL/XML files. The first item in the list is interpreted as the default file extension for the format.

Method Details

hasStandardURI

public boolean hasStandardURI()

Returns:

True if a standard URI has been assigned to this format by a standards organisation.

getStandardURI

public IRI getStandardURI()

Returns:

The standard URI that has been assigned to this format by a standards organisation or null if it does not currently have a standard URI.