Reworked how mp3s are being read and loaded int player

src/main/java/net/locusworks/discord/eighttrack/audio/Mp3UploadResults.java

@@ -0,0 +1,172 @@
+/**
+ *
+ * Project: Eight Track, File: Mp3UploadResults.java
+ *
+ * Copyright 2019-2019 Locusworks LLC.
+ * All rights reserved. Federal copyright law prohibits unauthorized reproduction by
+ * any means and imposes fines up to $25,000 for violation.  No part of this material
+ * may be reproduced, transmitted, transcribed, stored in a retrieval system, copied,
+ * modified, duplicated, adapted or translated into another program language in any
+ * form or by any means, electronic, mechanical, photocopying, recording, or
+ * otherwise, without the prior written permission from Locusworks. Locusworks
+ * affirms that Eight-Track(R) software and data is subject to United States
+ * Government Purpose Rights.  Contact Locusworks, 1313 Lawnview Drive
+ * Forney TX 75126, (802) 488-0438, for commercial licensing opportunities.
+ *
+ * IN NO EVENT SHALL LOCUSWORKS BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, SPECIAL,
+ * INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS, ARISING OUT
+ * OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF LOCUSWORKS HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.  NO RESPONSIBILITY IS ASSUMED BY
+ * LOCUSWORKS FOR ITS USE, OR FOR ANY INFRINGEMENTS OF PATENTS OR OTHER RIGHTS OF
+ * THIRD PARTIES RESULTING FROM ITS USE.  LOCUSWORKS SPECIFICALLY DISCLAIMS ANY
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE AND
+ * ACCOMPANYING DOCUMENTATION, IF ANY, PROVIDED HEREUNDER IS PROVIDED "AS
+ * IS". LOCUSWORKS HAS NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES,
+ * ENHANCEMENTS, OR MODIFICATIONS.
+ */
+package net.locusworks.discord.eighttrack.audio;
+
+import com.mpatric.mp3agic.ID3v2;
+
+public class Mp3UploadResults {
+  
+  private String genre;
+  private String composure;
+  private String album;
+  private String trackNumber;
+  private String discNumber;
+  private String artist;
+  private String title;
+  private String releaseDate;
+  
+  private byte[] rawData;
+  private Throwable err;
+  
+  public Mp3UploadResults(ID3v2 tag, byte[] data) {
+    parseResults(tag);
+    this.rawData = data;
+  }
+  
+  public Mp3UploadResults(Throwable err) {
+    this.err = err;
+  }
+
+  private void parseResults(ID3v2 metadata) {
+    genre = metadata.getGenreDescription();
+    composure = metadata.getComposer();
+    album = metadata.getAlbum();
+    trackNumber = metadata.getTrack();
+    discNumber = metadata.getPartOfSet();
+    artist = metadata.getArtist();
+    title = metadata.getTitle();
+    releaseDate = metadata.getDate();
+  }
+  
+  public final byte[] getData() {
+    return this.rawData;
+  }
+
+  /**
+   * @return the genre
+   */
+  public final String getGenre() {
+    return genre;
+  }
+
+  /**
+   * @return the composure
+   */
+  public final String getComposure() {
+    return composure;
+  }
+
+  /**
+   * @return the album
+   */
+  public final String getAlbum() {
+    return album;
+  }
+
+  /**
+   * @return the trackNumber
+   */
+  public final String getTrackNumber() {
+    return trackNumber;
+  }
+
+  /**
+   * @return the discNumber
+   */
+  public final String getDiscNumber() {
+    return discNumber;
+  }
+
+  /**
+   * @return the artist
+   */
+  public final String getArtist() {
+    return artist;
+  }
+
+  /**
+   * @return the title
+   */
+  public final String getTitle() {
+    return title;
+  }
+
+  /**
+   * @return the releaseDate
+   */
+  public final String getReleaseDate() {
+    return releaseDate;
+  }
+
+  public boolean validFile() {
+    return (getTitle() != null && !getTitle().isEmpty() && getArtist() != null && !getArtist().trim().isEmpty()) || this.err != null;
+  }
+  
+  public boolean hasError() {
+    return this.err != null;
+  }
+  
+  public Throwable getError() {
+    return this.err;
+  }
+  
+  @Override
+  public String toString() {
+    if (this.hasError()) {
+      return "Unable to parse file due to exception: " + this.err.getMessage();
+    }
+    
+    StringBuilder sb = new StringBuilder();
+    if (getTitle() != null)
+      sb.append(String.format("%-10s: %s%n", "Title", getTitle()));
+    
+    if (getArtist() != null)
+      sb.append(String.format("%-10s: %s%n", "Artist", getArtist()));
+    
+    if (getAlbum() != null)
+      sb.append(String.format("%-10s: %s%n", "Album", getAlbum()));
+    
+    if (getTrackNumber() != null)
+      sb.append(String.format("%-10s: %s%n", "Track", getTrackNumber()));
+    
+    if (getDiscNumber() != null)
+      sb.append(String.format("%-10s: %s%n", "Disc", getDiscNumber()));
+    
+    if (getReleaseDate() != null)
+      sb.append(String.format("%-10s: %s%n", "Year", getReleaseDate()));
+    
+    if (getGenre() != null)
+      sb.append(String.format("%-10s: %s%n", "Genre", getGenre()));
+    
+    return sb.toString();
+  }
+  
+  public void clear() {
+    rawData = new byte[0];
+  }
+}