Java tutorial
/* * Copyright 2011 javaBin * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package no.java.swing.resource; import org.apache.commons.lang.StringUtils; import org.apache.commons.lang.math.NumberUtils; import java.awt.Color; /** * @author Erlend Hamnaberg, Bouvet ASA */ public class ColorResourceConverter implements ResourceConverter<Color> { @Override public Color convert(String value) { if (value.startsWith("#") || StringUtils.isNumeric(value)) { try { return Color.decode(value); } catch (NumberFormatException e) { throw new ResourceConversionException(e); } } else if (value.contains(",")) { String[] split = value.split(","); if (split.length != 3) { throw new ResourceConversionException("Cannot convert from a None RGB color, value was " + value); } try { return new Color(NumberUtils.toInt(split[0], -1), NumberUtils.toInt(split[1], -1), NumberUtils.toInt(split[2], -1)); } catch (IllegalArgumentException e) { throw new ResourceConversionException(e); } } throw new ResourceConversionException("Unrecognized Color format " + value); } }