/**
* Returns true if the passed <code>mdbClass</code> meets the requirements set by the EJB3 spec
* about bean implementation classes. The passed <code>mdbClass</code> must not be an interface
* and must be public and not final and not abstract. If it passes these requirements then this
* method returns true. Else it returns false.
*
* @param mdbClass The MDB class
* @return
*/
private boolean assertMDBClassValidity(final ClassInfo mdbClass) {
final short flags = mdbClass.flags();
final String className = mdbClass.name().toString();
// must *not* be a interface
if (Modifier.isInterface(flags)) {
EjbLogger.EJB3_LOGGER.mdbClassCannotBeAnInterface(className);
return false;
}
// bean class must be public, must *not* be abstract or final
if (!Modifier.isPublic(flags) || Modifier.isAbstract(flags) || Modifier.isFinal(flags)) {
EjbLogger.EJB3_LOGGER.mdbClassMustBePublicNonAbstractNonFinal(className);
return false;
}
// valid class
return true;
}
/**
* Makes a dynamic stub class, if it does not already exist.
*
* @param myClass The class to create a stub for
* @return The dynamic stub class
*/
public static Class<?> makeStubClass(final Class<?> myClass) {
final String stubClassName = myClass + "_Stub";
ClassLoader cl = SecurityActions.getContextClassLoader();
if (cl == null) {
cl = myClass.getClassLoader();
}
if (cl == null) {
throw EjbMessages.MESSAGES.couldNotFindClassLoaderForStub(stubClassName);
}
Class<?> theClass;
try {
theClass = cl.loadClass(stubClassName);
} catch (ClassNotFoundException e) {
try {
final ClassFile clazz = IIOPStubCompiler.compile(myClass, stubClassName);
theClass = clazz.define(cl);
} catch (RuntimeException ex) {
// there is a possibility that another thread may have defined the same class in the
// meantime
try {
theClass = cl.loadClass(stubClassName);
} catch (ClassNotFoundException e1) {
EjbLogger.EJB3_LOGGER.dynamicStubCreationFailed(stubClassName, ex);
throw ex;
}
}
}
return theClass;
}
@Override
public Boolean run() {
boolean deleted = file.delete();
if (!deleted) {
EjbLogger.EJB3_LOGGER.cannotDeleteCacheFile(
file.isDirectory() ? "directory" : " file", file.getName());
file.deleteOnExit();
}
return deleted;
}