Class: Goliath::Rack::Formatters::XML
- Inherits:
-
Object
- Object
- Goliath::Rack::Formatters::XML
- Defined in:
- lib/goliath/rack/formatters/xml.rb
Overview
A XML formatter. Attempts to convert your data into an XML document.
Instance Method Summary collapse
- #array_to_xml(content, root = 'results', item = 'item') ⇒ Object
- #call(env) ⇒ Object
- #hash_to_xml(content, root = 'results', item = 'item') ⇒ Object
-
#initialize(app) ⇒ Goliath::Rack::Formatters::XML
constructor
Called by the framework to create the formatter.
- #post_process(status, headers, body) ⇒ Object
- #string_to_xml(content) ⇒ Object
- #to_xml(content, fragment = true, root = 'results', item = 'item') ⇒ Object
- #xml_footer(root) ⇒ Object
- #xml_header(root) ⇒ Object
- #xml_item(key, value, root) ⇒ Object
- #xml_response?(headers) ⇒ Boolean
Constructor Details
#initialize(app) ⇒ Goliath::Rack::Formatters::XML
Called by the framework to create the formatter.
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# File 'lib/goliath/rack/formatters/xml.rb', line 15 def initialize(app) @app = app end |
Instance Method Details
#array_to_xml(content, root = 'results', item = 'item') ⇒ Object
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# File 'lib/goliath/rack/formatters/xml.rb', line 68 def array_to_xml(content, root='results', item='item') xml_string = '' content.each { |value| xml_string += xml_item(item, value, root) } xml_string end |
#call(env) ⇒ Object
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# File 'lib/goliath/rack/formatters/xml.rb', line 19 def call(env) async_cb = env['async.callback'] env['async.callback'] = Proc.new do |status, headers, body| async_cb.call(post_process(status, headers, body)) end status, headers, body = @app.call(env) post_process(status, headers, body) end |
#hash_to_xml(content, root = 'results', item = 'item') ⇒ Object
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# File 'lib/goliath/rack/formatters/xml.rb', line 57 def hash_to_xml(content, root='results', item='item') xml_string = '' if content.key?('meta') xml_string += xml_item('meta', content['meta'], root) content.delete('meta') end content.each_pair { |key, value| xml_string += xml_item(key, value, root) } xml_string end |
#post_process(status, headers, body) ⇒ Object
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# File 'lib/goliath/rack/formatters/xml.rb', line 29 def post_process(status, headers, body) body = [to_xml(body, false)] if xml_response?(headers) [status, headers, body] end |
#string_to_xml(content) ⇒ Object
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# File 'lib/goliath/rack/formatters/xml.rb', line 53 def string_to_xml(content) ::Rack::Utils.escape_html(content.to_s) end |
#to_xml(content, fragment = true, root = 'results', item = 'item') ⇒ Object
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# File 'lib/goliath/rack/formatters/xml.rb', line 38 def to_xml(content, fragment=true, root='results', item='item') xml_string = '' xml_string += xml_header(root) unless fragment xml_string += case(content.class.to_s) when "Hash" then hash_to_xml(content, root, item) when "Array" then array_to_xml(content, root, item) when "String" then string_to_xml(content) else string_to_xml(content) end xml_string += (root) unless fragment xml_string end |
#xml_footer(root) ⇒ Object
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# File 'lib/goliath/rack/formatters/xml.rb', line 80 def (root) "</#{root}>" end |
#xml_header(root) ⇒ Object
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# File 'lib/goliath/rack/formatters/xml.rb', line 74 def xml_header(root) "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" + "<#{root} xmlns:opensearch='http://a9.com/-/spec/opensearch/1.1/'\n" + " xmlns:postrank='http://www.postrank.com/xsd/2007-11-30/postrank'>\n" end |
#xml_item(key, value, root) ⇒ Object
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# File 'lib/goliath/rack/formatters/xml.rb', line 84 def xml_item(key, value, root) "<#{key}>#{to_xml(value, true, root)}</#{key}>\n" end |
#xml_response?(headers) ⇒ Boolean
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# File 'lib/goliath/rack/formatters/xml.rb', line 34 def xml_response?(headers) headers['Content-Type'] =~ %r{^application/xml} end |