Add support for Tracks to store new input stream formats, not just files.

src/main/java/moe/nekojimi/chords/Track.java

@@ -10,6 +10,9 @@ import com.amihaiemil.eoyaml.YamlMapping;
 import com.amihaiemil.eoyaml.YamlSequence;
 import com.amihaiemil.eoyaml.YamlSequenceBuilder;
 import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.InputStream;
 import java.net.MalformedURLException;
 import java.net.URL;
 import java.util.ArrayList;
@@ -25,6 +28,7 @@ public class Track implements Comparable<Track>
     private String artist;
     private final URL url;
     private File location = null;
+    private InputStream inputStream = null;
     private int number;
     private List<Format> formats = new ArrayList<>();
 
@@ -136,6 +140,18 @@ public class Track implements Comparable<Track>
         this.location = location;
     }
 
+    public InputStream getInputStream() throws FileNotFoundException
+    {
+        if (inputStream == null && location != null)
+            inputStream = new FileInputStream(location);
+        return inputStream;
+    }
+
+    public void setInputStream(InputStream inputStream)
+    {
+        this.inputStream = inputStream;
+    }
+
     void delete()
     {
         if (location != null)

src/main/java/moe/nekojimi/chords/TrackPlayer.java

@@ -43,7 +43,7 @@ public class TrackPlayer implements Closeable
         {
             try
             {
-                in = AudioSystem.getAudioInputStream(track.getLocation());
+                in = AudioSystem.getAudioInputStream(track.getInputStream());
                 decodedFormat = AudioSendHandler.INPUT_FORMAT;
 
                 break; // it worked!