Java plugin Framework 规格严格

http://www.coderanch.com/t/382798/java/java/Reflection-find-classes

http://www.javaranch.com/journal/200607/Journal200607.jsp#a1

http://twit88.com/blog/2008/04/01/java-simplified-plugin-finder-using-commons-discovery/

http://twit88.com/blog/2008/11/09/java-serviceloader-in-jdk-4-and-5/

http://code.google.com/p/jspf/wiki/UsageGuide

http://stackoverflow.com/questions/2104821/implementing-dynamic-plugins-in-java