jodd-core/src/main/java/jodd/util/ClassUtil.java
public static String getBeanPropertyGetterName(final Method method) {
		int prefixLength = getBeanPropertyGetterPrefixLength(method);
		if (prefixLength == 0) {
			return null;
		}
		String methodName = method.getName().substring(prefixLength);
		return StringUtil.decapitalize(methodName);
	}
public static String getBeanPropertyGetterName(final Method method) {
		int prefixLength = getBeanPropertyGetterPrefixLength(method);
		if (prefixLength == 0) {
			return null;
		}
		String methodName = method.getName().substring(prefixLength);
		return StringUtil.decapitalize(methodName);
	}
Returns property name from a getter method.
Returns <code>null</code> if method is not a real getter.