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Contents
module Ldp
module Response::Paging
##
# Statements about the page
def page
@page_graph ||= begin
g = RDF::Graph.new
if resource?
res = graph.query RDF::Statement.new(page_subject, nil, nil)
res.each_statement do |s|
g << s
end
end
g
end
end
##
# Get the subject for the response
def subject
@subject ||= if has_page?
graph.first_object [page_subject, Ldp.page_of, nil]
else
page_subject
end
end
##
# Is there a next page?
def has_next?
next_page != nil
end
##
# Get the URI for the next page
def next_page
graph.first_object [page_subject, Ldp.nextPage, nil]
end
##
# Get the URI to the first page
def first_page
if links['first']
RDF::URI.new links['first']
elsif graph.has_statement? RDf::Statement.new(page_subject, Ldp.nextPage, nil)
subject
end
end
def sort
end
end
end
Version data entries
16 entries across 16 versions & 1 rubygems