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SkinLoader.java

/*
 * SkinLoader.
 *
 * JavaZOOM : jlgui@javazoom.net
 *            http://www.javazoom.net
 *
 *-----------------------------------------------------------------------
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU Library General Public License as published
 *   by the Free Software Foundation; either version 2 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 Library General Public License for more details.
 *
 *   You should have received a copy of the GNU Library General Public
 *   License along with this program; if not, write to the Free Software
 *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *----------------------------------------------------------------------
 */
package javazoom.jlgui.player.amp.skin;

import java.awt.Image;
import java.io.FileInputStream;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.StringWriter;
import java.net.URL;
import java.util.Hashtable;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;
import javazoom.jlgui.player.amp.util.BMPLoader;
import javazoom.jlgui.player.amp.util.Config;

/**
 * This class implements a Skin Loader.
 * WinAmp 2.x javazoom.jlgui.player.amp.skins compliant.
 */
00041 public class SkinLoader
{
    private Hashtable _images = null;
    private ZipInputStream _zis = null;

    /**
     * Contructs a SkinLoader from a skin file.
     */
00049     public SkinLoader(String filename)
    {
        _images = new Hashtable();
        try
        {
            if (Config.startWithProtocol(filename)) _zis = new ZipInputStream((new URL(filename)).openStream());
            else _zis = new ZipInputStream(new FileInputStream(filename));
        }
        catch (Exception e)
        {
            // Try to load included default skin.
            ClassLoader cl = this.getClass().getClassLoader();
            InputStream sis = cl.getResourceAsStream("javazoom/jlgui/player/amp/metrix.wsz");
            if (sis != null) _zis = new ZipInputStream(sis);
        }
    }

    /**
     * Contructs a SkinLoader from any input stream.
     */
00069     public SkinLoader(InputStream inputstream)
    {
        _images = new Hashtable();
        _zis = new ZipInputStream(inputstream);
    }

    /**
     * Loads data (images + info) from skin.
     */
00078     public void loadImages() throws Exception
    {
        ZipEntry entry = _zis.getNextEntry();
        String name;
        BMPLoader bmp = new BMPLoader();
        int pos;
        while (entry != null)
        {
            name = entry.getName().toLowerCase();
            pos = name.lastIndexOf("/");
            if (pos != -1) name = name.substring(pos + 1);
            if (name.endsWith("bmp"))
            {
                _images.put(name, bmp.getBMPImage(_zis));
            }
            else if (name.endsWith("txt"))
            {
                InputStreamReader reader = new InputStreamReader(_zis, "US-ASCII");
                StringWriter writer = new StringWriter();
                char buffer[] = new char[256];
                int charsRead;
                while ((charsRead = reader.read(buffer)) != -1)
                    writer.write(buffer, 0, charsRead);
                _images.put(name, writer.toString());
            }
            entry = _zis.getNextEntry();
        }
        _zis.close();
    }

    /**
     * Return Image from name.
     */
00111     public Image getImage(String name)
    {
        return (Image) _images.get(name);
    }

    // Added by John Yang - 02/05/2001
    /**
     * Return skin content (Image or String) from name.
     */
00120     public Object getContent(String name)
    {
        return _images.get(name);
    }
}

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