ResourceManager.java

/*
 * Copyright (c) 2007, 2016, Oracle and/or its affiliates. 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.
 *
 * 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */
package com.sun.swingset3.demos;

import java.net.URL;
import java.util.MissingResourceException;
import java.util.ResourceBundle;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.*;

/**
 * @author Pavel Porvatov
 */
public class ResourceManager {

    private static final Logger logger = Logger.getLogger(ResourceManager.class.getName());

    private final Class<?> demoClass;

    // Resource bundle for internationalized and accessible text
    private ResourceBundle bundle = null;

    public ResourceManager(Class<?> demoClass) {
        this.demoClass = demoClass;

        String bundleName = demoClass.getPackage().getName() + ".resources." + demoClass.getSimpleName();

        try {
            bundle = ResourceBundle.getBundle(bundleName);
        } catch (MissingResourceException e) {
            logger.log(Level.SEVERE, "Couldn't load bundle: " + bundleName);
        }
    }

    public String getString(String key) {
        return bundle != null ? bundle.getString(key) : key;
    }

    public char getMnemonic(String key) {
        return (getString(key)).charAt(0);
    }

    public ImageIcon createImageIcon(String filename, String description) {
        String path = "resources/images/" + filename;

        URL imageURL = demoClass.getResource(path);

        if (imageURL == null) {
            logger.log(Level.SEVERE, "unable to access image file: " + path);

            return null;
        } else {
            return new ImageIcon(imageURL, description);
        }
    }
}