Module: Asciidoctor::Diagram::Java
- Defined in:
- lib/asciidoctor-diagram/util/java.rb,
lib/asciidoctor-diagram/util/java_jruby.rb,
lib/asciidoctor-diagram/util/java_socket.rb
Defined Under Namespace
Classes: CommandServer
Constant Summary collapse
- CRLF =
"\r\n".encode(Encoding::US_ASCII)
- STATUS_LINE =
Regexp.new("HTTP/1.1 (\\d+) (.*)\r\n".encode(Encoding::US_ASCII))
Class Method Summary collapse
- .classpath ⇒ Object
- .create_error(prefix_msg, response) ⇒ Object
- .environment_variable(key) ⇒ Object
- .format_request(req, io) ⇒ Object
- .instance ⇒ Object
- .java ⇒ Object
- .load ⇒ Object
- .parse_response(io) ⇒ Object
- .send_request(req) ⇒ Object
Class Method Details
.classpath ⇒ Object
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# File 'lib/asciidoctor-diagram/util/java.rb', line 7 def self.classpath @classpath ||= Dir[File.join(File.dirname(__FILE__), '*.jar')] end |
.create_error(prefix_msg, response) ⇒ Object
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# File 'lib/asciidoctor-diagram/util/java.rb', line 78 def self.create_error(prefix_msg, response) content_type = response[:headers]['Content-Type'] || 'text/plain' if content_type.start_with? 'application/json' json = JSON.parse(response[:body].force_encoding(Encoding::UTF_8)) ruby_bt = Kernel.caller(2) java_bt = json['stk'].map { |java_line| "#{java_line[0]}:#{java_line[3]}: in '#{java_line[2]}'" } error = RuntimeError.new("#{prefix_msg}: #{json['msg']}") error.set_backtrace java_bt + ruby_bt raise error elsif content_type.start_with? 'text/plain' raise "#{prefix_msg}: #{response[:reason]} #{response[:body].force_encoding(Encoding::UTF_8)}" else raise "#{prefix_msg}: #{response[:reason]}" end end |
.environment_variable(key) ⇒ Object
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# File 'lib/asciidoctor-diagram/util/java_jruby.rb', line 8 def self.environment_variable(key) ENV[key] || ENV_JAVA[key.downcase.gsub('_', '.')] end |
.format_request(req, io) ⇒ Object
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# File 'lib/asciidoctor-diagram/util/java.rb', line 13 def self.format_request(req, io) io.set_encoding Encoding::US_ASCII io.write "POST #{req[:url]} HTTP/1.1" io.write CRLF headers = req[:headers] if headers headers.each_pair do |key, value| io.write "#{key}: #{value}" io.write CRLF end end if req[:body] unless headers && headers['Content-Length'] io.write 'Content-Length: ' io.write req[:body].bytesize.to_s io.write CRLF end unless headers && headers['Content-Type'] io.write 'Content-Type: text/plain; charset=' io.write req[:body].encoding.name io.write CRLF end end io.write CRLF io.set_encoding Encoding::BINARY io.write req[:body] end |
.instance ⇒ Object
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# File 'lib/asciidoctor-diagram/util/java_socket.rb', line 52 def self.instance unless defined?(@command_server) && @command_server server = CommandServer.new(java, classpath) @command_server = server at_exit do server.shutdown end end @command_server end |
.java ⇒ Object
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# File 'lib/asciidoctor-diagram/util/java.rb', line 94 def self.java @java_exe ||= find_java raise "Could not find Java executable" unless @java_exe @java_exe end |
.load ⇒ Object
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# File 'lib/asciidoctor-diagram/util/java_jruby.rb', line 12 def self.load if defined?(@loaded) && @loaded return end classpath.flatten.each do |j| raise "Classpath item #{j} does not exist" unless File.exist?(j) require j end @loaded = true end |
.parse_response(io) ⇒ Object
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# File 'lib/asciidoctor-diagram/util/java.rb', line 48 def self.parse_response(io) resp = {} io.set_encoding Encoding::US_ASCII status_line = io.readline(CRLF) status_line_parts = STATUS_LINE.match status_line unless status_line_parts raise "Unexpected HTTP status line: #{status_line}" end resp[:code] = status_line_parts[1].to_i resp[:reason] = status_line_parts[2] headers = {} until (header = io.readline(CRLF).strip).empty? key, value = header.split ':', 2 headers[key] = value.strip end resp[:headers] = headers content_length = headers['Content-Length'] if content_length io.set_encoding Encoding::BINARY resp[:body] = io.read(content_length.to_i) end resp end |
.send_request(req) ⇒ Object
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# File 'lib/asciidoctor-diagram/util/java_jruby.rb', line 24 def self.send_request(req) cp = ::Java.org.asciidoctor.diagram.CommandProcessor.new() req_io = StringIO.new format_request(req, req_io) req_io.close response = cp.processRequest(req_io.string.to_java_bytes) resp_io = StringIO.new(String.from_java_bytes(response)) resp = parse_response(resp_io) resp_io.close resp end |