/*
 * Copyright (c) 2008, intarsys consulting GmbH
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * - Redistributions of source code must retain the above copyright notice,
 *   this list of conditions and the following disclaimer.
 *
 * - Redistributions in binary form must reproduce the above copyright notice,
 *   this list of conditions and the following disclaimer in the documentation
 *   and/or other materials provided with the distribution.
 *
 * - Neither the name of intarsys nor the names of its contributors may be used
 *   to endorse or promote products derived from this software without specific
 *   prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
package de.intarsys.cwt.font;

import java.util.HashMap;
import java.util.Map;

/**
 * 
 */
public class FontMapper {
	private static FontMapper Active = new FontMapper();

	public static synchronized FontMapper get() {
		return Active;
	}

	public static synchronized void set(FontMapper mapper) {
		Active = mapper;
	}

	private Map<String, FontMap> fontMaps = new HashMap<String, FontMap>();

	protected FontMapper() {
		super();
	}

	public IFont lookupFont(String name) {
		FontMap fontMap = fontMaps.get(normalize(name));
		if (fontMap == null) {
			return null;
		}
		return fontMap.getFont();
	}

	protected String normalize(String name) {
		if (name == null) {
			return null;
		}
		return name.toLowerCase();
		// StringBuilder result = new StringBuilder();
		// for (int i = 0; i < name.length(); i++) {
		// char c = name.charAt(i);
		// if ((c == ' ') || (c == '_') || (c == '-')) {
		// continue;
		// }
		// result.append(Character.toLowerCase(c));
		// }
		// return result.toString();
	}

	public void registerFontMap(FontMap map) {
		fontMaps.put(normalize(map.getKey()), map);
	}

}
