| /* CharacterAttributeTranslator.java -- |
| Copyright (C) 2006 Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| package gnu.javax.swing.text.html; |
| |
| import java.awt.Color; |
| import java.util.HashMap; |
| import java.util.StringTokenizer; |
| |
| import javax.swing.text.MutableAttributeSet; |
| import javax.swing.text.StyleConstants; |
| import javax.swing.text.html.HTML.Attribute; |
| import javax.swing.text.html.HTML.Tag; |
| |
| /** |
| * This is a small utility class to translate HTML character attributes to |
| * Swing StyleConstants |
| */ |
| public class CharacterAttributeTranslator |
| { |
| /** |
| * Maps color name to its hex encoding. |
| */ |
| private static final HashMap colorMap = new HashMap(); |
| static |
| { |
| colorMap.put("aqua" , "#00FFFF"); |
| colorMap.put("blue" , "#0000FF"); |
| colorMap.put("black", "#000000"); |
| colorMap.put("fuchsia" , "#FF00FF"); |
| colorMap.put("gray" , "#808080"); |
| colorMap.put("green" , "#008000"); |
| colorMap.put("lime" , "#00FF00"); |
| colorMap.put("maroon" , "#800000"); |
| colorMap.put("navy" , "#000080"); |
| colorMap.put("olive" , "#808000"); |
| colorMap.put("purple" , "#800080"); |
| colorMap.put("red" , "#FF0000"); |
| colorMap.put("silver" , "#C0C0C0"); |
| colorMap.put("teal" , "#008080"); |
| colorMap.put("white" , "#FFFFFF"); |
| colorMap.put("yellow" , "#FFFF00"); |
| }; |
| |
| /** |
| * Convert the color string represenation into java.awt.Color. The valid |
| * values are like "aqua" , "#00FFFF" or "rgb(1,6,44)". |
| * |
| * @param colorName the color to convert. |
| * @return the matching java.awt.color |
| */ |
| public static Color getColor(String colorName) |
| { |
| colorName = colorName.toLowerCase(); |
| try |
| { |
| if (colorName.startsWith("rgb")) |
| { |
| // rgb(red, green, blue) notation. |
| StringTokenizer st = new StringTokenizer(colorName, " ,()"); |
| String representation = st.nextToken(); |
| |
| // Return null if the representation is not supported. |
| if (! representation.equals("rgb")) |
| return null; |
| int red = Integer.parseInt(st.nextToken()); |
| int green = Integer.parseInt(st.nextToken()); |
| int blue = Integer.parseInt(st.nextToken()); |
| |
| return new Color(red, green, blue); |
| } |
| else |
| { |
| String s2 = (String) colorMap.get(colorName); |
| if (s2 == null) |
| s2 = colorName; |
| return Color.decode(s2); |
| } |
| } |
| catch (Exception nex) |
| { |
| // Can be either number format exception or illegal argument |
| // exception. |
| return null; |
| } |
| } |
| |
| /** |
| * Translate the HTML character attribute to the Swing style constant. |
| * |
| * @param charAttr the character attributes of the html tag |
| * @param t the html tag itself |
| * @param a the attribute set where the translated attributes will be stored |
| * |
| * @return true if some attributes were translated, false otherwise. |
| */ |
| public static boolean translateTag(MutableAttributeSet charAttr, |
| Tag t, MutableAttributeSet a) |
| { |
| if(t == Tag.FONT) |
| { |
| Object color = a.getAttribute(Attribute.COLOR); |
| if(color != null) |
| { |
| Color c = getColor(color.toString()); |
| if( c == null ) |
| return false; |
| charAttr.addAttribute(StyleConstants.Foreground, c); |
| return true; |
| } |
| |
| if(a.getAttribute(Attribute.SIZE) != null) |
| { |
| // FIXME |
| // charAttr.addAttribute(StyleConstants.FontSize, |
| // new java.lang.Integer(72)); |
| return true; |
| } |
| } |
| |
| if( t == Tag.B ) |
| { |
| charAttr.addAttribute(StyleConstants.Bold, Boolean.TRUE); |
| return true; |
| } |
| |
| if( t == Tag.I ) |
| { |
| charAttr.addAttribute(StyleConstants.Italic, Boolean.TRUE); |
| return true; |
| } |
| |
| if( t == Tag.U ) |
| { |
| charAttr.addAttribute(StyleConstants.Underline, Boolean.TRUE); |
| return true; |
| } |
| |
| if( t == Tag.STRIKE ) |
| { |
| charAttr.addAttribute(StyleConstants.StrikeThrough, Boolean.TRUE); |
| return true; |
| } |
| |
| if( t == Tag.SUP ) |
| { |
| charAttr.addAttribute(StyleConstants.Superscript, Boolean.TRUE); |
| return true; |
| } |
| |
| if( t == Tag.SUB ) |
| { |
| charAttr.addAttribute(StyleConstants.Subscript, Boolean.TRUE); |
| return true; |
| } |
| return false; |
| } |
| } |