Class: UWA::Handler

Inherits:
Mongrel::HttpHandler
  • Object
show all
Defined in:
lib/uwa/handler.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Handler

Returns a new instance of Handler.



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# File 'lib/uwa/handler.rb', line 7

def initialize
	super
	@author = 'No author'
	@description = 'No description'
	@title = 'Widget'
	@icon = 'http://www.netvibes.com/favicon.ico'
	@apiVersion = '1.0'
	@inline = true
	@debugMode = false
	@preferences = []
	@keywords = self.class.name.downcase
	@css = []
	@script = []
	@cache = {:css => nil, :script => nil}

	@query = nil
	@out = nil
	@response = nil
	@request = nil
end

Instance Attribute Details

#css=(value) ⇒ Object

Sets the attribute css

Parameters:

  • value —

    the value to set the attribute css to.



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# File 'lib/uwa/handler.rb', line 5

def css=(value)
  @css = value
end

#script=(value) ⇒ Object

Sets the attribute script

Parameters:

  • value —

    the value to set the attribute script to.



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# File 'lib/uwa/handler.rb', line 5

def script=(value)
  @script = value
end

Instance Method Details

#process(req, res) ⇒ Object 



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# File 'lib/uwa/handler.rb', line 28

def process(req,res)
	@request = req
	@response = res
	UWA::Server.log(@request.params['REQUEST_METHOD'], @request.params['REQUEST_URI'])
	@query = query_string(req.params['QUERY_STRING'])
	UWA::Server.log(:QUERY, @query.inspect)
	if @request.params['REQUEST_PATH'].split('/', 3)[2].nil? and @query['url'].nil?
		@response.start(200) do |head, out|
			head["Content-Type"] = "text/html"
			xml = Builder::XmlMarkup.new(:indent => 4, :target => out)
			xml.instruct!
			xml.declare! :DOCTYPE, :html, :PUBLIC, 
				'-//W3C//DTD XHTML 1.0 Strict//EN',
				'http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd'
			xml.html(:xmlns => 'http://www.w3.org/1999/xhtml', 
					'xmlns:widget' => 'http://www.netvibes.com/ns/') do |xml|
				xml.head do |xml|
					xml.meta(:name => 'author', :content => @author)
					xml.meta(:name => 'description', :content => @description)
					xml.meta(:name => 'apiVersion', :content => @apiVersion)
					xml.meta(:name => 'inline', :content => @inline.to_s)
					xml.meta(:name => 'debugMode', :content => @debugMode.to_s)
					xml.meta(:name => 'keywords', :content => @keywords)
					xml.link(:rel => :stylesheet, :type => 'text/css',
							 :href => 'http://www.netvibes.com/themes/uwa/style.css')
					xml.script("", :type => 'text/javascript',
							   :src => 'http://www.netvibes.com/js/UWA/load.js.php?env=Standalone')
					xml.tag!('widget:preferences') do |xml|
						@preferences.each do |pref|
							xml.preference(pref)
						end
					end
					xml.title(@title)
					xml.link(:rel => :icon, :type => 'image/png', :href => @icon)
					css.each { |c| xml.style("\n" + c, :type => 'text/css') }
					xml.script(:type => 'text/javascript') do |xml|
						url = 'http://' + req.params['HTTP_HOST'] + req.params['REQUEST_PATH'] + '/'
						xml << "widget.remoteUrl = '#{url}'\n"
						['Text', 'Json', 'Xml', 'Feed'].each do |m|
							xml << "widget.remote#{m} = function(uri, cb) { 
										UWA.Data.get#{m}(widget.remoteUrl + uri, cb); };\n"
						end
						script.each do |s| 
							xml << "\n#{s}\n"
						end
						xml << "if (document.location && document.location.hostname == 'localhost') {
									UWA.proxies.ajax = '/proxy';
									UWA.Data.useJsonRequest = false; }\n"
					end
				end
				xml.body do |xml|
					body xml
				end
			end
			xml.target!
		end
	else
		method = @request.params['REQUEST_PATH'].split('/', 3)[2].to_sym
		if self.respond_to?(method)
			res.start(200) do |head, out|
				begin
					@headers = head
					@out = out
					self.send(method)
				rescue Exception
					UWA::Server.log(:error, "#{$!.message} <#{$!.class.name}>")
					UWA::Server.log(:error, $!.backtrace)
				end
			end
		else
			res.start(404) do |head, out|
				out.write("Method \"#{method}\" not found")
			end
		end
	end
end