lib/jdk/jdk4.rb lib/jdk/jdk5.rb lib/jdk/jdk6.rb @@ -29,6 +29,11 @@ jmx4r helps to manage Java applications using JMX in a simple and powerful way: # trigger a Garbage Collection memory.gc + # For local processes not publishing jmxrmi ports, instead: + + # connect to the local JConsole process + JMX::MBean.establish_connection :command => /jconsole/i + == Help * Wiki[http://jmesnil.net/wiki/Jmx4r] README.rdoc @@ -1,35 +1,32 @@ module JMX module JDKHelper - class << self - include_class 'java.lang.System' - - def init - @helper = nil + include_class 'java.lang.System' - if has_java_class?("com.sun.tools.attach.VirtualMachine") - require "jdk/jdk6_helper" - @helper = JDK6Helper - return - end - - if has_java_class?('sun.jvmstat.monitor.MonitoredHost') - require "jdk/jdk5_helper" - @helper = JDK5Helper - return - end - end + class << self def method_missing(method, *args, &block) - unless @helper - raise "JDKHelper implementation is not available - \ - maybe only JREs are installed properly." - end - @helper.send method, *args, &block + init unless @jdk + @jdk.send method, *args, &block end private + def init + @jdk = + case + when has_java_class?("com.sun.tools.attach.VirtualMachine") + require "jdk/jdk6" + JDK6 + when has_java_class?('sun.jvmstat.monitor.MonitoredHost') + require "jdk/jdk5" + JDK5 + else + require "jdk/jdk4" + JDK4 + end + end + def has_java_class?(name) begin include_class name @@ -67,8 +64,6 @@ module JMX end end - self.init end - end lib/jdk_helper.rb @@ -18,6 +18,7 @@ module JMX require 'dynamic_mbean' require 'open_data_helper' require 'objectname_helper' + require 'jdk_helper' require 'jruby' class MBeanServerConnectionProxy @@ -145,8 +146,9 @@ module JMX # not taken into account # # [:command] the pattern matches the command line of the local - # JVM process. - # (listed as 'local processes' on JConsole). + # JVM process including the MBean server. + # (command lines are listed on the connection dialog + # in JConsole). # No default. # this feature needs a JDK (>=5) installed on the local # system. @@ -175,7 +177,6 @@ module JMX provider_package = args[:provider_package] if args[:command] - require 'jdk_helper' url = JDKHelper.find_local_url(args[:command]) or raise "no locally attacheable VMs" else lib/jmx4r.rb lib/jdk/jdk5_helper.rb lib/jdk/jdk6_helper.rb 478de5bc0bc49dd8bc7145d87056080e8a3ee1df sat13f sat13f@gmail.com http://github.com/jmesnil/jmx4r/commit/383d9b45df487a36b0c4f3b7bb3b35ba853c1460 383d9b45df487a36b0c4f3b7bb3b35ba853c1460 2009-10-22T01:41:08-07:00 2009-08-03T09:26:25-07:00 refactored 6b347b2a3f2fb4831e2de2e3fe262dd528f3e3fd Jeff Mesnil jmesnil@gmail.com