Java ImageIcon Load getImageIcon(final Class baseClass, final String image)

Description

Create an Icon from a given resource.

License

Open Source License

Declaration

public static ImageIcon getImageIcon(final Class baseClass,
        final String image) 

Method Source Code

//package com.java2s;
/*/*from w w  w  .  ja  va2s  . c o m*/
 * @(#)SwingHelpUtilities.java   1.10 06/10/30
 * 
 * Copyright (c) 2006 Sun Microsystems, Inc.  All Rights Reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 * 
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Sun designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Sun in the LICENSE file that accompanied this code.
 * 
 * This code 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
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 * 
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 * 
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
 * have any questions.
 */

import java.io.BufferedInputStream;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.io.IOException;

import javax.swing.ImageIcon;

public class Main {
    /**
     * Create an Icon from a given resource.
     * 
     * This works uisng getResourceAsStream() because several browsers do not
     * correctly implement getResource().
     *
     * This method may change...
     */

    public static ImageIcon getImageIcon(final Class baseClass,
            final String image) {
        if (image == null) {
            return null;
        }
        final byte[][] buffer = new byte[1][];
        try {
            InputStream resource = baseClass.getResourceAsStream(image);
            if (resource == null) {
                return null;
            }
            BufferedInputStream in = new BufferedInputStream(resource);
            ByteArrayOutputStream out = new ByteArrayOutputStream(1024);
            buffer[0] = new byte[1024];
            int n;
            while ((n = in.read(buffer[0])) > 0) {
                out.write(buffer[0], 0, n);
            }
            in.close();
            out.flush();
            buffer[0] = out.toByteArray();
        } catch (IOException ioe) {
            System.err.println(ioe.toString());
            return null;
        }
        if (buffer[0] == null) {
            System.err.println(baseClass.getName() + "/" + image
                    + " not found.");
            return null;
        }
        if (buffer[0].length == 0) {
            System.err.println("warning: " + image + " is zero-length");
            return null;
        }

        return new ImageIcon(buffer[0]);
    }
}

Related

1. getImageIcon(Class _class, String resourceName)
2. getImageIcon(final String iconName)
3. getImageIcon(final String location)
4. getImageIcon(Image imp, int width, int height)
5. getImageIcon(String filename)