com.github.lespaul361.commons.commonroutines.utilities.CreateImageFromResource Maven / Gradle / Ivy

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/*
 * Copyright (C) 2019 Charles Hamilton
 *
 * 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, see .
 */
package com.github.lespaul361.commons.commonroutines.utilities;

import java.awt.Image;
import java.io.File;
import java.net.URL;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.Icon;
import javax.swing.ImageIcon;

/**
 * A helper class for getting images
 * 
 * @author Charles Hamilton
 */
public class CreateImageFromResource {

    /**
     * 
     * @param path
     *            to resource path
     * @param description
     *            of the resource
     * @param resourceClass
     *            class containing the resource path
     * @return Image in the resource
     */
    public static Image getImage(String path, String description, Class resourceClass) {
	return createImage(path, description, resourceClass);
    }

    /**
     * Gets an image from a resource path
     * 
     * @param path
     *            String to resource path
     * @param resourceClass
     *            class containing the resource path
     * @return Image in the resource
     */
    public static Image getImage(String path, Class resourceClass) {
	return createImage(path, "", resourceClass);
    }

    /**
     * Gets an image from a resource path
     * 
     * @param path
     *            String to resource path
     * @param description
     *            of the resource
     * @param resourceClass
     *            class containing the resource path
     * @return Image in the resource
     */
    protected static Image createImage(String path, String description, Class resourceClass) {
	URL imageURL = resourceClass.getResource(path);

	if (imageURL == null) {
	    System.err.println("Resource not found: " + path);
	    return null;
	} else {
	    return (new ImageIcon(imageURL, description)).getImage();
	}
    }

    /**
     * Gets the icon from the file extension
     * 
     * @param extension
     *            the file extension
     * @return Icon from the extension
     */
    public static Icon getIconFromFileExtension(String extension) {
	int pos = extension.lastIndexOf(".");
	Icon icon = null;
	if (extension.trim().equalsIgnoreCase("")) {
	    return null;
	}
	if (pos > -1) {
	    extension = extension.substring(pos + 1);
	}
	File fl = new File("tmp." + extension);

	try {
	    fl.createNewFile();
	    icon = javax.swing.filechooser.FileSystemView.getFileSystemView().getSystemIcon(fl);

	} catch (Exception ex) {
	    Logger.getLogger(CreateImageFromResource.class.getName()).log(Level.SEVERE, null, ex);
	} finally {
	    try {

	    } catch (Exception e) {
		fl.delete();
	    }
	}
	return icon;
    }
}