001package votorola.s.gwt.scene.diff; // Copyright 2011. Christian Weilbach. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Votorola Software"), to deal in the Votorola Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicence, and/or sell copies of the Votorola Software, and to permit persons to whom the Votorola Software is furnished to do so, subject to the following conditions: The preceding copyright notice and this permission notice shall be included in all copies or substantial portions of the Votorola Software. THE VOTOROLA SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE VOTOROLA SOFTWARE OR THE USE OR OTHER DEALINGS IN THE VOTOROLA SOFTWARE. 002 003import java.lang.Math; 004import java.util.HashMap; 005 006public class ColorHelper 007{ 008 009 // some colors fetched from 010 // http://www.computerhope.com/htmcolor.htm 011 private String[] COLORS = new String[] { 012 "#FF0000" 013 , "#00FF00" 014 , "#0000FF" 015 , "#FF0080" 016 , "#FFFF00" 017 , "#FF00FF" 018 , "#C0C0C0" 019 , "#FF8040" 020 , "#800000" 021 , "#808000" 022 , "#408080" 023 }; 024 025 private HashMap<String, String> colorMap = new HashMap<String, String>(); 026 027 public String getColor(final String s) 028 { 029 String color = colorMap.get(s); 030 if(color != null) 031 return color; 032 033 color = COLORS[ Math.abs(s.hashCode()) % COLORS.length ]; 034 colorMap.put(s, color); 035 return color; 036 } 037}