Contents

if RUBY_PLATFORM == "java"
  require 'active_support/core_ext/hash/keys'
  require 'jmx4r'

  java_import 'javax.management.RuntimeMBeanException'
  java_import 'java.lang.UnsupportedOperationException'

  class JMX::MBean

    def self.to_tree
      find_all_by_name("*:*").inject({}) do |result, mbean|
        domain = mbean.object_name.domain
        properties = mbean.object_name.key_property_list_string.split(',')
        mresult = result[domain] ||= {}
        mresult = mresult[properties.shift] ||= {} until properties.empty?
        mbean.to_h(mresult)
        result
      end
    end

    def to_h(hsh = {})
      attributes.keys.inject(hsh) do |result, key|
        result[key.to_sym] = get_value(key)
        result
      end.merge!({
        object_name: object_name.to_s,
      })
    end

    def get_value(key)
      case value = send(key)
      when Java::JavaxManagementOpenmbean::CompositeDataSupport
        Hash[value.to_a].symbolize_keys
      when Enumerable
        value.to_a
      else
        value
      end
    rescue RuntimeMBeanException => e
      raise unless e.cause.is_a?(UnsupportedOperationException)
      nil
    end

  end
end

Version data entries

4 entries across 4 versions & 1 rubygems

Version	Path
liquid-ext-3.5.3	lib/liquid/ext/jmx4r.rb
liquid-ext-3.5.2	lib/liquid/ext/jmx4r.rb
liquid-ext-3.5.0	lib/liquid/ext/jmx4r.rb
liquid-ext-3.4.2	lib/liquid/ext/jmx4r.rb