如何将JDK6 ToolProvider和JavaCompiler与上下文类加载器一起使用？

My usage case is compiling generated source files from a java program using the ToolProvider and JavaCompiler classes provided in JDK 6. The source files contain references to classes in the context classloader (it runs in a J2EE container), but not in the system classloader. My understanding is that by default the ToolProvider will create the JavaCompiler instance with the system classloader.My usage case is compiling generated source fil