| Clover Coverage Report - FEST Swing 1.2 |
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| Colors | Line # 30 | 7 | 7.7% | 4 | 0 | 100% |
1.0
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| No Tests | |||
| 1 | /* | |
| 2 | * Created on Apr 15, 2008 | |
| 3 | * | |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except | |
| 5 | * in compliance with the License. You may obtain a copy of the License at | |
| 6 | * | |
| 7 | * http://www.apache.org/licenses/LICENSE-2.0 | |
| 8 | * | |
| 9 | * Unless required by applicable law or agreed to in writing, software distributed under the License | |
| 10 | * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express | |
| 11 | * or implied. See the License for the specific language governing permissions and limitations under | |
| 12 | * the License. | |
| 13 | * | |
| 14 | * Copyright @2008-2010 the original author or authors. | |
| 15 | */ | |
| 16 | package org.fest.swing.util; | |
| 17 | ||
| 18 | import static org.fest.util.Strings.concat; | |
| 19 | import static org.fest.util.Strings.quote; | |
| 20 | ||
| 21 | import java.awt.Color; | |
| 22 | ||
| 23 | import org.fest.util.Strings; | |
| 24 | ||
| 25 | /** | |
| 26 | * Understands utility methods related to colors. | |
| 27 | * | |
| 28 | * @author Alex Ruiz | |
| 29 | */ | |
| 30 | public final class Colors { | |
| 31 | ||
| 32 | /** | |
| 33 | * Returns a <code>{@link Color}</code> from the given <code>String</code> containing the hexadecimal coding of a | |
| 34 | * color. | |
| 35 | * @param hexString contains the hexadecimal coding of a color. | |
| 36 | * @return a <code>Color</code> from the given <code>String</code> containing the hexadecimal coding of a color. | |
| 37 | * @throws NullPointerException if the hexadecimal code is <code>null</code>. | |
| 38 | * @throws IllegalArgumentException if the hexadecimal code is empty. | |
| 39 | * @throws NumberFormatException if the hexadecimal code is empty. | |
| 40 | */ | |
| 41 | 14 |
 public static Color colorFromHexString(String hexString) { |
| 42 | 1 | if (hexString == null) throw new NullPointerException("The hexadecimal code should not be null"); |
| 43 | 1 | if (Strings.isEmpty(hexString)) throw new IllegalArgumentException("The hexadecimal code should not be empty"); |
| 44 | 12 | try { |
| 45 | 12 | return new Color(Integer.parseInt(hexString, 16)); |
| 46 | } catch (NumberFormatException e) { | |
| 47 | 1 | throw new NumberFormatException(concat("The hexadecimal code ", quote(hexString), " is not a valid color code")); |
| 48 | } | |
| 49 | } | |
| 50 | ||
| 51 |
private Colors() {} |
|
| 52 | } | |
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