Main.java Source code

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/*
 * Copyright (c) 2011, Pro JavaFX Authors
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 * 3. Neither the name of JFXtras nor the names of its contributors may be used
 *    to endorse or promote products derived from this software without
 *    specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 *  AudioPlayer2.java - Playing audio files in JavaFX 2.0.
 *
 */
//package projavafx.audioplayer2;

import java.net.URL;
import javafx.application.Application;
import javafx.collections.MapChangeListener;
import javafx.collections.MapChangeListener.Change;
import javafx.geometry.Insets;
import javafx.geometry.VPos;
import javafx.scene.Scene;
import javafx.scene.control.Label;
import javafx.scene.effect.Reflection;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.layout.*;
import javafx.scene.media.Media;
import javafx.scene.media.MediaPlayer;
import javafx.stage.Stage;

/**
 *
 * @author dean
 */
public class Main extends Application {
    private Media media;
    private MediaPlayer mediaPlayer;

    private Label artist;
    private Label album;
    private Label title;
    private Label year;
    private ImageView albumCover;

    public static void main(String[] args) {
        launch(args);
    }

    @Override
    public void start(Stage primaryStage) {
        createControls();
        createMedia();

        final Scene scene = new Scene(createGridPane(), 800, 400);
        //  final URL stylesheet = getClass().getResource("media.css");
        //  scene.getStylesheets().add(stylesheet.toString());

        primaryStage.setScene(scene);
        primaryStage.setTitle("Audio Player 2");
        primaryStage.show();
    }

    private GridPane createGridPane() {
        final GridPane gp = new GridPane();
        gp.setPadding(new Insets(10));
        gp.setHgap(20);
        //gp.add(albumCover, 0, 0, 1, GridPane.REMAINING);
        gp.add(title, 1, 0);
        gp.add(artist, 1, 1);
        gp.add(album, 1, 2);
        gp.add(year, 1, 3);

        final ColumnConstraints c0 = new ColumnConstraints();
        final ColumnConstraints c1 = new ColumnConstraints();
        c1.setHgrow(Priority.ALWAYS);
        gp.getColumnConstraints().addAll(c0, c1);

        final RowConstraints r0 = new RowConstraints();
        r0.setValignment(VPos.TOP);
        gp.getRowConstraints().addAll(r0, r0, r0, r0);

        return gp;
    }

    private void createControls() {
        artist = new Label();
        artist.setId("artist");
        album = new Label();
        album.setId("album");
        title = new Label();
        title.setId("title");
        year = new Label();
        year.setId("year");

        final Reflection reflection = new Reflection();
        reflection.setFraction(0.2);

        //    final URL url = getClass().getResource("resources/defaultAlbum.png");
        //   final Image image = new Image(url.toString());

        //    albumCover = new ImageView(image);
        //   albumCover.setFitWidth(240);
        //  albumCover.setPreserveRatio(true);
        // albumCover.setSmooth(true);
        // albumCover.setEffect(reflection);
    }

    private void createMedia() {
        try {
            media = new Media("http://traffic.libsyn.com/dickwall/JavaPosse373.mp3");
            media.getMetadata().addListener(new MapChangeListener<String, Object>() {
                @Override
                public void onChanged(Change<? extends String, ? extends Object> ch) {
                    if (ch.wasAdded()) {
                        handleMetadata(ch.getKey(), ch.getValueAdded());
                    }
                }
            });

            mediaPlayer = new MediaPlayer(media);
            mediaPlayer.setOnError(new Runnable() {
                @Override
                public void run() {
                    final String errorMessage = media.getError().getMessage();
                    // Handle errors during playback
                    System.out.println("MediaPlayer Error: " + errorMessage);
                }
            });

            mediaPlayer.play();

        } catch (RuntimeException re) {
            // Handle construction errors
            System.out.println("Caught Exception: " + re.getMessage());
        }
    }

    private void handleMetadata(String key, Object value) {
        if (key.equals("album")) {
            album.setText(value.toString());
        } else if (key.equals("artist")) {
            artist.setText(value.toString());
        }
        if (key.equals("title")) {
            title.setText(value.toString());
        }
        if (key.equals("year")) {
            year.setText(value.toString());
        }
        if (key.equals("image")) {
            albumCover.setImage((Image) value);
        }
    }
}