org.fcrepo.http.commons.responses

Class RdfSerializationUtils

java.lang.Object

org.fcrepo.http.commons.responses.RdfSerializationUtils

public class RdfSerializationUtils
extends Object

Utilities to help with serializing a graph to an HTTP resource

Author:

awoods

Field Summary

Fields

Modifier and Type	Field and Description
static com.hp.hpl.jena.graph.Node	lastModifiedPredicate The RDF predicate that will indicate the last-modified date of the node.
static com.hp.hpl.jena.graph.Node	primaryTypePredicate The RDF predicate that will indicate the primary node type.
protected static org.joda.time.format.DateTimeFormatter	RFC2822DATEFORMAT DateTimeFormatter for RFC2822 (used in HTTP headers), e.g.: Mon, 01 Jul 2013 07:51:23Z

Method Summary

Methods

Modifier and Type	Method and Description
static String	getFirstValueForPredicate(com.hp.hpl.jena.query.Dataset rdf, com.hp.hpl.jena.graph.Node subject, com.hp.hpl.jena.graph.Node predicate) Get the very first value for a predicate as a string, or null if the predicate is not used
static void	setCachingHeaders(javax.ws.rs.core.MultivaluedMap<String,Object> httpHeaders, com.hp.hpl.jena.query.Dataset rdf, javax.ws.rs.core.UriInfo uriInfo) Set the cache control and last modified HTTP headers from data in the graph

Methods inherited from class java.lang.Object

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

Field Detail

primaryTypePredicate

public static com.hp.hpl.jena.graph.Node primaryTypePredicate

The RDF predicate that will indicate the primary node type.

lastModifiedPredicate

public static com.hp.hpl.jena.graph.Node lastModifiedPredicate

The RDF predicate that will indicate the last-modified date of the node.

RFC2822DATEFORMAT

protected static org.joda.time.format.DateTimeFormatter RFC2822DATEFORMAT

DateTimeFormatter for RFC2822 (used in HTTP headers), e.g.: Mon, 01 Jul 2013 07:51:23Z

Method Detail

getFirstValueForPredicate

public static String getFirstValueForPredicate(com.hp.hpl.jena.query.Dataset rdf,
                               com.hp.hpl.jena.graph.Node subject,
                               com.hp.hpl.jena.graph.Node predicate)

Get the very first value for a predicate as a string, or null if the predicate is not used

Parameters:

rdf -

subject -

predicate -

Returns:

first value for the given predicate or null if not found

setCachingHeaders

public static void setCachingHeaders(javax.ws.rs.core.MultivaluedMap<String,Object> httpHeaders,
                     com.hp.hpl.jena.query.Dataset rdf,
                     javax.ws.rs.core.UriInfo uriInfo)

Set the cache control and last modified HTTP headers from data in the graph

Parameters:

httpHeaders -

rdf -