public FunctionMatcher(String beanAndFunction) {
int i = beanAndFunction.lastIndexOf('.');
Assert.assertTrue(i > -1 && i < beanAndFunction.length(), "FunctionMatcher.format.error");
function = beanAndFunction.substring(i + 1);
String beanName = beanAndFunction.substring(0, i);
try {
bean = ClassUtils.forName(beanName);
} catch (ClassNotFoundException e) {
Assert.fail("FunctionMatcher.type.error", new Object[] {beanName, e.getMessage()});
}
}
