Add lyrics format list

app/src/main/java/com/kabouzeid/gramophone/model/lyrics/AbsSynchronizedLyrics.java

@@ -2,18 +2,12 @@ package com.kabouzeid.gramophone.model.lyrics;
 
 import android.util.SparseArray;
 
-import com.kabouzeid.gramophone.model.Song;
-
 public abstract class AbsSynchronizedLyrics extends Lyrics {
     private static final int TIME_OFFSET_MS = 500; // time adjustment to display line before it actually starts
 
     public final SparseArray<String> lines = new SparseArray<>();
     public int offset = 0;
 
-    AbsSynchronizedLyrics(Song song, String data) {
-        super(song, data);
-    }
-
     public String getLine(int time) {
         time += offset + AbsSynchronizedLyrics.TIME_OFFSET_MS;
 

app/src/main/java/com/kabouzeid/gramophone/model/lyrics/Lyrics.java

@@ -2,30 +2,45 @@ package com.kabouzeid.gramophone.model.lyrics;
 
 import com.kabouzeid.gramophone.model.Song;
 
+import java.util.ArrayList;
+
 public class Lyrics {
+    private static final ArrayList<Class<? extends Lyrics>> FORMATS = new ArrayList<>();
+
     public Song song;
     public String data;
 
     boolean parsed = false;
     boolean valid = false;
 
-    public Lyrics(Song song, String data) {
+    public Lyrics setData(Song song, String data) {
         this.song = song;
         this.data = data;
+        return this;
     }
 
     public static Lyrics parse(Song song, String data) {
-        Lyrics lyrics = new SynchronizedLyricsLRC(song, data);
-        if (lyrics.isValid()) {
-            return lyrics.parse(false);
-        } else {
-            return new Lyrics(song, data).parse(false);
+        for (Class<? extends Lyrics> format : Lyrics.FORMATS) {
+            try {
+                Lyrics lyrics = format.newInstance().setData(song, data);
+                if (lyrics.isValid()) return lyrics;
+            } catch (Exception e) {
+                e.printStackTrace();
+            }
         }
+        return new Lyrics().setData(song, data);
     }
 
     public static boolean isSynchronized(String data) {
-        Lyrics lyrics = new SynchronizedLyricsLRC(null, data);
-        return lyrics.isValid();
+        for (Class<? extends Lyrics> format : Lyrics.FORMATS) {
+            try {
+                Lyrics lyrics = format.newInstance().setData(null, data);
+                if (lyrics.isValid()) return true;
+            } catch (Exception e) {
+                e.printStackTrace();
+            }
+        }
+        return false;
     }
 
     public Lyrics parse(boolean check) {
@@ -46,4 +61,8 @@ public class Lyrics {
     public String getText() {
         return this.data;
     }
+
+    static {
+        Lyrics.FORMATS.add(SynchronizedLyricsLRC.class);
+    }
 }

app/src/main/java/com/kabouzeid/gramophone/model/lyrics/SynchronizedLyricsLRC.java

@@ -1,7 +1,5 @@
 package com.kabouzeid.gramophone.model.lyrics;
 
-import com.kabouzeid.gramophone.model.Song;
-
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
@@ -13,10 +11,6 @@ class SynchronizedLyricsLRC extends AbsSynchronizedLyrics {
     private static final float LRC_SECONDS_TO_MS_MULTIPLIER = 1000f;
     private static final int LRC_MINUTES_TO_MS_MULTIPLIER = 60000;
 
-    SynchronizedLyricsLRC(Song song, String data) {
-        super(song, data);
-    }
-
     @Override
     public SynchronizedLyricsLRC parse(boolean check) {
         if (this.parsed || this.data == null || this.data.isEmpty()) {