"+title+"

require "base64" class Object # An object is blank if it's false, empty, or a whitespace string. # For example, "", " ", +nil+, [], and {} are all blank. def blank? respond_to?(:empty?) ? empty? : !self end def numeric? true if Float(self) rescue false end end module Enumerable def duplicates inject({}) {|h,v| h[v]=h[v].to_i+1; h}.reject{|k,v| v==1}.keys end end class String def underscore self.gsub(/::/, '/'). gsub(/([A-Z]+)([A-Z][a-z])/,'\1_\2'). gsub(/([a-z\d])([A-Z])/,'\1_\2'). tr("-", "_"). downcase end # encloses URI in text with with link tag # @return [String] new text with marked links def link_urls self.gsub(/(?i)http(s?):\/\/[^\r\n\s']*/, '\0') end # produces a html page for making web services browser friendly # format of text (=string params) is preserved (e.g. line breaks) # urls are marked as links # # @param [String] text this is the actual content, # @param [optional,String] related_links info on related resources # @param [optional,String] description general info # @param [optional,Array] post_command, infos for the post operation, object defined below # @return [String] html page def to_html(related_links=nil, description=nil, png_image=nil ) # TODO add title as parameter title = nil #$sinatra.to($sinatra.request.env['PATH_INFO'], :full) if $sinatra html = "" html << ""+title+"" if title #html += "

<\/img>" html << "

Description

"+description.link_urls+"

" if description html << "

Content

" if description || related_links html << "

"
    html << "\n" if png_image
    html << self.link_urls
    html << "

" html end def uri? URI.valid?(self) end end module URI def self.compound? uri uri =~ /compound/ and URI.valid? uri end def self.task? uri uri =~ /task/ and URI.valid? uri end def self.dataset? uri, subjectid=nil uri =~ /dataset/ and URI.accessible? uri, subjectid=nil end def self.model? uri, subjectid=nil uri =~ /model/ and URI.accessible? uri, subjectid=nil end def self.ssl? uri, subjectid=nil URI.parse(uri).instance_of? URI::HTTPS end def self.accessible?(uri, subjectid=nil) if URI.task? uri or URI.compound? uri # just try to get a response, valid tasks may return codes > 400 Net::HTTP.get_response(URI.parse(uri)) true else parsed_uri = URI.parse(uri + (subjectid ? "?subjectid=#{CGI.escape subjectid}" : "")) unless URI.ssl? uri Net::HTTP.get_response(parsed_uri).code.to_i < 400 else http = Net::HTTP.new(parsed_uri.host, parsed_uri.port) http.use_ssl = true http.verify_mode = OpenSSL::SSL::VERIFY_NONE request = Net::HTTP::Get.new(parsed_uri.request_uri) http.request(request).code.to_i < 400 end end rescue false end def self.valid? uri u = URI::parse(uri) u.scheme!=nil and u.host!=nil rescue URI::InvalidURIError false end end class File def mime_type `file -ib #{self.path}`.chomp end end module Kernel # overwrite backtick operator to catch system errors # Override raises an error if _cmd_ returns a non-zero exit status. CH: I do not understand this comment # Returns stdout if _cmd_ succeeds. Note that these are simply concatenated; STDERR is not inline. CH: I do not understand this comment def ` cmd stdout, stderr = '' status = Open4::popen4(cmd) do |pid, stdin_stream, stdout_stream, stderr_stream| stdout = stdout_stream.read stderr = stderr_stream.read end internal_server_error "`" + cmd + "` failed.\n" + stdout + stderr unless status.success? return stdout rescue internal_server_error $!.message end def wait_for_task uri if URI.task?(uri) t = OpenTox::Task.new uri t.wait unless t.completed? begin # handle known (i.e. OpenTox) errors error = OpenTox::RestClientWrapper.known_errors.select{|error| error[:code] == t.code}.first error ? error_method = error[:method] : error_method = :internal_server_error report = t.error_report report ? error_message = report[RDF::OT.message] : error_message = $!.message Object.send(error_method,error_message,t.uri) rescue internal_server_error "#{$!.message}\n#{$!.backtrace}", t.uri end end uri = t.resultURI end uri end end class Array # Sum of an array for Arrays # @param [Array] Array of arrays # @return [Integer] Sum of size of array elements def sum_size self.inject(0) { |s,a| if a.respond_to?('size') s+=a.size else internal_server_error "No size available: #{a.inspect}" end } end # For symbolic features # @param [Array] Array to test. # @return [Boolean] Whether the array has just one unique value. def zero_variance? return self.uniq.size == 1 end end

Description

Related links

Content