| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 org.apache.cocoon.components.elementprocessor.impl.poi.hssf.elements; |
| |
| import java.io.IOException; |
| |
| import java.util.StringTokenizer; |
| |
| /** |
| * Color codes |
| * |
| * @author Marc Johnson (marc_johnson27591@hotmail.com) |
| * @author Andrew C. Oliver (acoliver2@users.sourceforge.net) |
| * @version $Id$ |
| */ |
| public class ColorCode { |
| private static final int _red = 0; |
| private static final int _green = 1; |
| private static final int _blue = 2; |
| private static final int _component_count = 3; |
| private static final String SEPARATOR = ":"; |
| private int[] _components = new int[ _component_count ]; |
| private String rgbstring; |
| |
| /** |
| * construct the ColorCode object |
| * |
| * @param value the string containing the colors |
| * |
| * @exception IOException if the string is badly formed |
| */ |
| |
| public ColorCode(final String value) throws IOException { |
| if (value == null) { |
| throw new IOException("cannot process a null color code"); |
| } |
| StringTokenizer tokenizer = new StringTokenizer(value.trim(), SEPARATOR); |
| |
| if (tokenizer.countTokens() != _component_count) { |
| throw new IOException("color code must have exactly " |
| + _component_count + " components, no more, no less"); |
| } |
| StringBuffer constructedRgbString = new StringBuffer(); |
| for (int j = 0; j < _component_count; j++) { |
| try { |
| _components[j] = Integer.parseInt(tokenizer.nextToken(), 16); |
| } catch (Exception e) { |
| throw new IOException("Cannot parse component #" + j + " (" |
| + e.getMessage() + ")"); |
| } |
| if (_components[j] < 0 || _components[j] > 65535) { |
| throw new IOException("Component #" + j + " is out of range"); |
| } |
| if (j > 0) { |
| constructedRgbString.append(SEPARATOR); |
| } |
| constructedRgbString.append(Integer.toHexString(_components[j]).toUpperCase()); |
| } |
| rgbstring = constructedRgbString.toString(); |
| } |
| |
| /** |
| * @return red component |
| */ |
| |
| public int getRed() { |
| return _components[_red]; |
| } |
| |
| /** |
| * @return green component |
| */ |
| |
| public int getGreen() { |
| return _components[_green]; |
| } |
| |
| /** |
| * @return blue component |
| */ |
| |
| public int getBlue() { |
| return _components[_blue]; |
| } |
| |
| public String toString() { |
| return rgbstring; |
| } |
| } // end public class ColorCode |