ca.sqlpower.wabit.dao.session.FontConverter.java Source code

Introduction

Here is the source code for ca.sqlpower.wabit.dao.session.FontConverter.java

Source

/*
 * Copyright (c) 2009, SQL Power Group Inc.
 *
 * This file is part of Wabit.
 *
 * Wabit 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 3 of the License, or
 * (at your option) any later version.
 *
 * Wabit 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 this program.  If not, see <http://www.gnu.org/licenses/>. 
 */

package ca.sqlpower.wabit.dao.session;

import java.awt.Font;
import java.util.HashMap;
import java.util.Map;

import org.apache.commons.beanutils.ConversionException;

import ca.sqlpower.dao.session.BidirectionalConverter;
import ca.sqlpower.dao.session.SPFontLoader;
import ca.sqlpower.wabit.FontStyle;

public class FontConverter implements BidirectionalConverter<String, Font> {

    private final SPFontLoader loader;
    private final Map<String, String> vendorToGenericMap;

    public FontConverter(SPFontLoader loader) {
        this.loader = loader;

        /*
         * This converter must convert vendor specific font names
         * to their generic equivalent. For example, on a Mac OS
         * machine, if you do Font.decode("Arial"), it will in fact
         * return a ArialMT font. There is no workaround. Some
         * platforms wont decode the fonts properly; period.
         */
        vendorToGenericMap = new HashMap<String, String>();
        vendorToGenericMap.put("ArialMT", "Arial");
    }

    public Font convertToComplexType(String convertFrom) throws ConversionException {
        return loader.loadFontFromSpecs(convertFrom);
    }

    public String convertToSimpleType(Font convertFrom, Object... additionalInfo) {
        StringBuffer buffer = new StringBuffer();
        buffer.append(convertToStandardFontName(convertFrom.getFontName()));
        buffer.append("-");
        buffer.append(FontStyle.getStyleByValue(convertFrom.getStyle()).getEncodedName());
        buffer.append("-");
        buffer.append(convertFrom.getSize());
        return buffer.toString();
    }

    private String convertToStandardFontName(String vendorName) {
        if (vendorToGenericMap.containsKey(vendorName)) {
            return vendorToGenericMap.get(vendorName);
        } else {
            return vendorName;
        }
    }
}