jodd-log/src/main/java/jodd/log/impl/SimpleLogger.java
protected String shortenClassName(final String className) {
		int lastDotIndex = className.lastIndexOf('.');
		if (lastDotIndex == -1) {
			return className;
		}

		StringBuilder shortClassName = new StringBuilder(className.length());

		int start = 0;
		while(true) {
			shortClassName.append(className.charAt(start));

			int next = className.indexOf('.', start);
			if (next == lastDotIndex) {
				break;
			}
			start = next + 1;
			shortClassName.append('.');
		}
		shortClassName.append(className.substring(lastDotIndex));

		return shortClassName.toString();
	}
protected String shortenClassName(final String className) {
		int lastDotIndex = className.lastIndexOf('.');
		if (lastDotIndex == -1) {
			return className;
		}

		StringBuilder shortClassName = new StringBuilder(className.length());

		int start = 0;
		while(true) {
			shortClassName.append(className.charAt(start));

			int next = className.indexOf('.', start);
			if (next == lastDotIndex) {
				break;
			}
			start = next + 1;
			shortClassName.append('.');
		}
		shortClassName.append(className.substring(lastDotIndex));

		return shortClassName.toString();
	}
Returns shorten class name.