优化音乐封面, 歌手, 专辑信息的获取

src/main/java/im/zhaojun/common/util/AudioHelper.java

@@ -0,0 +1,53 @@
+package im.zhaojun.common.util;
+
+import cn.hutool.core.codec.Base64;
+import com.mpatric.mp3agic.*;
+import im.zhaojun.common.model.AudioInfo;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.File;
+import java.io.IOException;
+
+public class AudioHelper {
+
+    private static final Logger log = LoggerFactory.getLogger(AudioHelper.class);
+
+    public static AudioInfo parseAudioInfo(File file) throws InvalidDataException, IOException, UnsupportedTagException {
+        AudioInfo audioInfo = new AudioInfo();
+        audioInfo.setTitle("未知歌曲");
+        audioInfo.setArtist("未知");
+        audioInfo.setCover("/shikwasa/audio.png");
+
+        Mp3File mp3File = null;
+        try {
+            mp3File = new Mp3File(file);
+        } catch (InvalidDataException e) {
+            if (log.isDebugEnabled()) {
+                log.debug("无法解析的音频文件.");
+            }
+        }
+
+        if (mp3File == null) {
+            return audioInfo;
+        }
+
+        ID3v1 audioTag = null;
+
+        if (mp3File.hasId3v2Tag()) {
+            ID3v2 id3v2Tag = mp3File.getId3v2Tag();
+            byte[] albumImage = id3v2Tag.getAlbumImage();
+            if (albumImage != null) {
+                audioInfo.setCover("data:" + id3v2Tag.getAlbumImageMimeType() + ";base64," + Base64.encode(albumImage));
+            }
+            audioTag = id3v2Tag;
+        }
+
+        if (audioTag != null) {
+            audioInfo.setTitle(audioTag.getTitle());
+            audioInfo.setArtist(audioTag.getArtist());
+        }
+
+        return audioInfo;
+    }
+}