org.eaglei.repository
Class Formats

java.lang.Object
  org.eaglei.repository.Formats

public class Formats
extends java.lang.Object

Constants and utilities related to ALL serialization formats: includes RDF serialization as well as Boolean and Tuple query results.

Version:

$Id: $

Author:

Larry Stone

Field Summary

static java.lang.String	DEFAULT_BOOLEAN_MIMETYPE Constant DEFAULT_BOOLEAN_MIMETYPE="application/sparql-results+xml"
static java.lang.String	DEFAULT_RDF_MIMETYPE Constant DEFAULT_RDF_MIMETYPE="application/rdf+xml"
static java.lang.String	DEFAULT_TUPLE_MIMETYPE Constant DEFAULT_TUPLE_MIMETYPE="application/sparql-results+xml"

Constructor Summary

Formats()

Method Summary

static java.lang.String	negotiateBooleanContent(javax.servlet.http.HttpServletRequest request, java.lang.String format, java.lang.String dflt) Get negotiated MIME type for Boolean serialization format
static java.lang.String	negotiateRDFContent(javax.servlet.http.HttpServletRequest request, java.lang.String format, java.lang.String dflt) Get negotiated MIME type for RDF serialization format
static java.lang.String	negotiateTupleContent(javax.servlet.http.HttpServletRequest request, java.lang.String format, java.lang.String dflt) Get negotiated MIME type for Tuple serialization format
static org.openrdf.rio.RDFFormat	RDFOutputFormatForMIMEType(java.lang.String mime) Find RDFFormat which has a writer that generates the given MIME type.

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_RDF_MIMETYPE

public static final java.lang.String DEFAULT_RDF_MIMETYPE

Constant DEFAULT_RDF_MIMETYPE="application/rdf+xml"

See Also:

Constant Field Values

DEFAULT_BOOLEAN_MIMETYPE

public static final java.lang.String DEFAULT_BOOLEAN_MIMETYPE

Constant DEFAULT_BOOLEAN_MIMETYPE="application/sparql-results+xml"

See Also:

Constant Field Values

DEFAULT_TUPLE_MIMETYPE

public static final java.lang.String DEFAULT_TUPLE_MIMETYPE

Constant DEFAULT_TUPLE_MIMETYPE="application/sparql-results+xml"

See Also:

Constant Field Values

Constructor Detail

Formats

public Formats()

Method Detail

negotiateRDFContent

public static java.lang.String negotiateRDFContent(javax.servlet.http.HttpServletRequest request,
                                                   java.lang.String format,
                                                   java.lang.String dflt)

Get negotiated MIME type for RDF serialization format

Parameters:

request - a HttpServletRequest object.

format - a String object.

dflt - a String object.

Returns:

mime type of negotated content, never null (unless dflt is null)

negotiateTupleContent

public static java.lang.String negotiateTupleContent(javax.servlet.http.HttpServletRequest request,
                                                     java.lang.String format,
                                                     java.lang.String dflt)

Get negotiated MIME type for Tuple serialization format

Parameters:

request - a HttpServletRequest object.

format - a String object.

dflt - a String object.

Returns:

mime type of negotated content, never null (unless dflt is null)

negotiateBooleanContent

public static java.lang.String negotiateBooleanContent(javax.servlet.http.HttpServletRequest request,
                                                       java.lang.String format,
                                                       java.lang.String dflt)

Get negotiated MIME type for Boolean serialization format

Parameters:

request - a HttpServletRequest object.

format - a String object.

dflt - a String object.

Returns:

mime type of negotated content, never null (unless dflt is null)

RDFOutputFormatForMIMEType

public static org.openrdf.rio.RDFFormat RDFOutputFormatForMIMEType(java.lang.String mime)

Find RDFFormat which has a writer that generates the given MIME type. This is distinct (and different) from simply looking up the RDFFormat.forMIMEType() call since we install extra, custom, writers. Note that a parser is NOT necessarily available for the formats returned by this call.

Parameters:

mime - RDF serialization mime type to look up

Returns:

the corresponding RDFFormat object, or null if not found