mirror of
https://github.com/octoleo/plantuml.git
synced 2024-11-16 02:07:08 +00:00
83 lines
3.1 KiB
Java
83 lines
3.1 KiB
Java
/*
|
|
* Copyright 2003-2004, Franz-Josef Elmer, All rights reserved
|
|
*
|
|
* This library is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU Lesser General Public License as published by
|
|
* the Free Software Foundation; either version 2.1 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program 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 Lesser General Public License for more details
|
|
* (http://www.gnu.org/copyleft/lesser.html).
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public License
|
|
* along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
package jcckit.graphic;
|
|
|
|
import java.util.Hashtable;
|
|
|
|
import jcckit.util.ConfigParameters;
|
|
import jcckit.util.FactoryException;
|
|
|
|
/**
|
|
* Font style constants.
|
|
* This class is based on the typesafe enumeration pattern.
|
|
*
|
|
* @author Franz-Josef Elmer
|
|
*/
|
|
public class FontStyle {
|
|
private static final Hashtable REPOSITORY = new Hashtable();
|
|
static final String NORMAL_TXT = "normal",
|
|
BOLD_TXT = "bold",
|
|
ITALIC_TXT = "italic",
|
|
BOLD_ITALIC_TXT = "bold italic";
|
|
/** Font style constant. */
|
|
public static final FontStyle NORMAL = new FontStyle(NORMAL_TXT),
|
|
BOLD = new FontStyle(BOLD_TXT),
|
|
ITALIC = new FontStyle(ITALIC_TXT),
|
|
BOLD_ITALIC = new FontStyle(BOLD_ITALIC_TXT);
|
|
|
|
private final String _description;
|
|
|
|
/** Non-public constructor to control the number of instances. */
|
|
private FontStyle(String description) {
|
|
_description = description;
|
|
REPOSITORY.put(description, this);
|
|
}
|
|
|
|
/**
|
|
* Returns from the specified configuration parameters the font style
|
|
* defined by the specified key or the specified default value.
|
|
* @param config Configuration parameters.
|
|
* @param key The key of the font style.
|
|
* @param defaultValue The default value.
|
|
* @return one of the four instances of <tt>FontStyle</tt>.
|
|
* @throws FactoryException if the value of the key-value pair denoted
|
|
* by <tt>key</tt> is neither <tt>normal</tt>, <tt>bold</tt>,
|
|
* <tt>italic</tt>, nor <tt>bold italic</tt>,
|
|
* Note, that {@link FactoryException#getClassName()}
|
|
* returns the invalid value.
|
|
*/
|
|
public static FontStyle getFontStyle(ConfigParameters config, String key,
|
|
FontStyle defaultValue) {
|
|
FontStyle result = defaultValue;
|
|
String value = config.get(key, null);
|
|
if (value != null) {
|
|
result = (FontStyle) REPOSITORY.get(value);
|
|
if (result == null) {
|
|
throw new FactoryException(config, key, "Invalid font style.");
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
/** Returns a human readable description for pretty printing. */
|
|
public String toString() {
|
|
return _description;
|
|
}
|
|
}
|