001 /* 002 * Licensed under the Apache License, Version 2.0 (the "License"); 003 * you may not use this file except in compliance with the License. 004 * You may obtain a copy of the License at 005 * 006 * http://www.apache.org/licenses/LICENSE-2.0 007 * 008 * Unless required by applicable law or agreed to in writing, software 009 * distributed under the License is distributed on an "AS IS" BASIS, 010 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 011 * See the License for the specific language governing permissions and 012 * limitations under the License. 013 * 014 * See the NOTICE file distributed with this work for additional 015 * information regarding copyright ownership. 016 */ 017 018 package com.osbcp.css.unit; 019 020 import java.io.Serializable; 021 022 /** 023 * Represents a CSS unit 024 * 025 * @see <a href="http://w3schools.com/cssref/css_units.asp">CSS Units</a> 026 * @author <a href="mailto:christoffer@christoffer.me">Christoffer Pettersson</a> 027 */ 028 029 public interface Unit extends Serializable { 030 031 @Override 032 public String toString(); 033 034 }