Java ImageIcon Load loadImageIcon(String url)

Description

load Image Icon

License

Open Source License

Declaration

public static ImageIcon loadImageIcon(String url) throws IOException 

Method Source Code

//package com.java2s;
/*//from  ww  w . j av a 2  s  . com
 * Copyright (C) 2008-2015 by Holger Arndt
 *
 * This file is part of the Universal Java Matrix Package (UJMP).
 * See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership and licensing.
 *
 * UJMP 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
 * of the License, or (at your option) any later version.
 *
 * UJMP 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.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with UJMP; if not, write to the
 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
 * Boston, MA  02110-1301  USA
 */

import java.io.BufferedInputStream;

import java.io.ByteArrayOutputStream;

import java.io.IOException;
import java.io.InputStream;

import javax.swing.ImageIcon;

public class Main {
    public static ImageIcon loadImageIcon(String url) throws IOException {
        byte[] data = getResourceAsBytes(url);
        ImageIcon icon = new ImageIcon(data);
        return icon;
    }

    public static byte[] getResourceAsBytes(String url) throws IOException {
        InputStream is = ClassLoader.getSystemClassLoader().getResourceAsStream(url);
        ByteArrayOutputStream os = new ByteArrayOutputStream();
        BufferedInputStream bis = new BufferedInputStream(is);

        byte buf[] = new byte[8192];
        int len;
        while ((len = bis.read(buf)) > 0) {
            os.write(buf, 0, len);
        }

        bis.close();
        is.close();
        os.close();

        return os.toByteArray();
    }

    public static InputStream getResourceAsStream(String url) {
        InputStream stream = ClassLoader.getSystemClassLoader().getResourceAsStream(url);
        return stream;
    }
}

Related

1. getImageIcon(URL url)
2. getScaledInstance(Image img, int targetWidth, int targetHeight)
3. loadImageIcon(byte bytes[], String descr)
4. loadImageIcon(Class clas, String iconPath)
5. loadImageIcon(String imageName)
6. loadResourceImageIcon(String imageName)
7. readImageIconFromFile(File srcFile)