info.bonjean.beluga.util.ResourcesUtil.java Source code

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Here is the source code for info.bonjean.beluga.util.ResourcesUtil.java

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/*
 * Copyright (C) 2012, 2013, 2014 Julien Bonjean <julien@bonjean.info>
 * 
 * This file is part of Beluga Player.
 * 
 * This program 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.
 * 
 * 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 General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc., 51
 * Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */
package info.bonjean.beluga.util;

import info.bonjean.beluga.exception.CommunicationException;
import info.bonjean.beluga.gui.notification.Notification;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URI;

import org.apache.commons.codec.binary.Base64;
import org.apache.commons.io.FilenameUtils;
import org.apache.pivot.wtk.media.Drawing;
import org.apache.pivot.wtk.media.Image;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.kitfox.svg.SVGCache;
import com.kitfox.svg.SVGUniverse;
import com.kitfox.svg.app.beans.SVGIcon;

/**
 * 
 * @author Julien Bonjean <julien@bonjean.info>
 * 
 */
public class ResourcesUtil {
    private static Logger log = LoggerFactory.getLogger(ResourcesUtil.class);
    private static final String SVG_NAME_PREFIX = "beluga_player_";

    public static String shorten(String str, int length) {
        if (str.length() > length)
            return str.substring(0, length - 3) + "...";
        return str;
    }

    public static SVGIcon getSVGIcon(String resource) throws IOException {
        SVGUniverse universe = SVGCache.getSVGUniverse();
        URI uri = universe.loadSVG(Notification.class.getResourceAsStream(resource),
                SVG_NAME_PREFIX + FilenameUtils.getBaseName(resource));
        SVGIcon svgIcon = new SVGIcon();
        svgIcon.setSvgURI(uri);
        return svgIcon;
    }

    public static Image getSVGImage(String resource) throws IOException {
        SVGUniverse universe = SVGCache.getSVGUniverse();
        URI uri = universe.loadSVG(Notification.class.getResourceAsStream(resource),
                SVG_NAME_PREFIX + FilenameUtils.getBaseName(resource));
        return new Drawing(universe.getDiagram(uri, true));
    }

    private static byte[] getResourceAsByteArray(String resource) {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        InputStream bais;
        try {
            bais = ResourcesUtil.class.getResourceAsStream(resource);
            int c;
            while ((c = bais.read()) != -1) {
                baos.write(c);
            }
            bais.close();
            baos.close();
        } catch (Exception e) {
            log.error("Cannot load resource " + resource);
            System.exit(-1);
        }
        return baos.toByteArray();
    }

    public static String getResourceAsString(String resource) {
        return new String(getResourceAsByteArray(resource));
    }

    public static String getResourceBase64(String resource) {
        return Base64.encodeBase64String(getResourceAsByteArray(resource));
    }

    public static String getRemoteResourceBase64(String url) throws CommunicationException {
        return Base64.encodeBase64String(HTTPUtil.request(url));
    }
}