public Object newInstance(
ComponentDescriptor componentDescriptor, ClassRealm classRealm, PlexusContainer container)
throws ComponentInstantiationException {
Class implementationClass = null;
try {
String implementation = componentDescriptor.getImplementation();
implementationClass = classRealm.loadClass(implementation);
int modifiers = implementationClass.getModifiers();
if (Modifier.isInterface(modifiers)) {
throw new ComponentInstantiationException(
"Cannot instanciate implementation '"
+ implementation
+ "' because the class is a interface.");
}
if (Modifier.isAbstract(modifiers)) {
throw new ComponentInstantiationException(
"Cannot instanciate implementation '"
+ implementation
+ "' because the class is abstract.");
}
Object instance = implementationClass.newInstance();
return instance;
} catch (InstantiationException e) {
throw makeException(classRealm, componentDescriptor, implementationClass, e);
} catch (ClassNotFoundException e) {
throw makeException(classRealm, componentDescriptor, implementationClass, e);
} catch (IllegalAccessException e) {
throw makeException(classRealm, componentDescriptor, implementationClass, e);
} catch (LinkageError e) {
throw makeException(classRealm, componentDescriptor, implementationClass, e);
}
}
