Starting implementation of RabbitMQ in Action Ch. 02 exercises in JRuby

sylvilagus/jruby/lib/sylvilagus/ch02/hello_world_producer.rb

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+require 'sylvilagus/init'
+
+require 'rabbitmq-client.jar'
+import com.rabbitmq.client.ConnectionFactory
+
+module Sylvilagus
+  module Ch02
+    class HelloWorldProducer
+      class << self
+        def main
+          message = ARGV.first || 'snorg'
+
+          factory = ConnectionFactory.new
+          factory.setUri('amqp://guest:guest@localhost:5672')
+          conn = factory.newConnection
+          channel = conn.createChannel
+          channel.exchangeDeclare('hello-exchange', 'direct', true)
+          channel.queueDeclare('hello-queue', false, false, false, nil)
+
+          channel.basicPublish('hello-exchange', 'hola', nil, message.to_java_bytes)
+          puts "Published #{message.inspect}"
+        ensure
+          conn.close
+        end
+      end
+    end
+  end
+end
+
+if $0 == __FILE__
+  Sylvilagus::Ch02::HelloWorldProducer.main
+end

sylvilagus/jruby/lib/sylvilagus/init.rb

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+require 'java'
+
+SYLVILAGUS_JAVA_LIBS = File.expand_path('../../java/', __FILE__)
+
+$CLASSPATH << SYLVILAGUS_JAVA_LIBS
+
+Dir["#{SYLVILAGUS_JAVA_LIBS}/*.jar"].each do |jar|
+  $CLASSPATH << jar
+end