comparison: src/main/java/de/uapcore/lightpit/types/WebColor.java
src/main/java/de/uapcore/lightpit/types/WebColor.java
- changeset 127
- 6105ee2cceaf
equal
deleted
inserted
replaced
| 126:4148e6de0f21 | 127:6105ee2cceaf |
|---|---|
| 1 package de.uapcore.lightpit.types; | |
| 2 | |
| 3 public final class WebColor { | |
| 4 | |
| 5 private final String hex; | |
| 6 | |
| 7 /** | |
| 8 * Constructs a color object from a hex string. | |
| 9 * @param hex the 6 digits hex string optionally preceded by a hash symbol | |
| 10 * @throws IllegalArgumentException if the given string does not specify a color | |
| 11 */ | |
| 12 public WebColor(String hex) throws IllegalArgumentException { | |
| 13 this.hex = (hex.startsWith("#") ? hex : ("#"+hex)).toUpperCase(); | |
| 14 if (!this.hex.matches("#[0-9A-F]{6}")) | |
| 15 throw new IllegalArgumentException(hex+" is not a color"); | |
| 16 } | |
| 17 | |
| 18 /** | |
| 19 * Returns the hex representation without th leading hash symbol. | |
| 20 * @return the hex representation of this color (e.g. FF0000 for red) | |
| 21 */ | |
| 22 public String getHex() { | |
| 23 return hex.substring(1); | |
| 24 } | |
| 25 | |
| 26 @Override | |
| 27 public String toString() { | |
| 28 return hex; | |
| 29 } | |
| 30 } |
