Java BufferedImage Load loadImage(String resourceName)

Description

Loads an image from a resource.

License

Open Source License

Parameter

Parameter	Description
resourceName	the name of the resource to load.

Exception

Parameter	Description
IOException	if an error occurs while opening or reading theresource stream.

Return

the image named by the specified resource, or null if the resource could not be found.

Declaration

public static Image loadImage(String resourceName) throws IOException 

Method Source Code

//package com.java2s;
/*//from w ww  . j  a va2 s .  c o  m
 * ResourceUtilities.java (Class: com.madphysicist.tools.util.ResourceUtilities)
 *
 * Mad Physicist JTools Project (General Purpose Utilities)
 *
 * The MIT License (MIT)
 *
 * Copyright (c) 2013 by Joseph Fox-Rabinovitz
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

import java.awt.Image;

import java.awt.Toolkit;

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

import javax.imageio.ImageIO;

public class Main {
    /**
     * Determines whether image loading methods should use {@code javax.imageio.ImageIO.read()} or
     * {@code java.awt.Toolkit}.
     *
     * @see javax.imageio.ImageIO#read(File)
     * @see javax.imageio.ImageIO#read(URL)
     * @see java.awt.Toolkit#createImage(String)
     * @see java.awt.Toolkit#createImage(URL)
     * @since 1.1.0
     */
    private static final boolean PREFER_TOOLKIT = false;

    /**
     * Loads an image from a resource. To load the image as an {@code Icon}, use the {@link #loadIcon(java.lang.String)
     * loadIcon()} method.
     *
     * @param resourceName the name of the resource to load.
     * @return the image named by the specified resource, or {@code null} if the
     * resource could not be found.
     * @throws IOException if an error occurs while opening or reading the
     * resource stream.
     * @since 1.0.0
     */
    public static Image loadImage(String resourceName) throws IOException {
        if (PREFER_TOOLKIT) {
            return Toolkit.getDefaultToolkit().createImage(ClassLoader.getSystemResource(resourceName));
        } else {
            try (InputStream input = ClassLoader.getSystemResourceAsStream(resourceName)) {
                return (input == null) ? null : ImageIO.read(input);
            }
        }
    }
}

Related

1. loadImage(String image)
2. loadImage(String imageName)
3. loadImage(String imageName, Component c)
4. loadImage(String path)
5. loadImage(String path)
6. loadImage(String url)
7. loadImage(URL resource)
8. loadImage(URL url)
9. loadImageData(BufferedImage image)