Add parser for FLAC metadata.

[sonitus.git] / src / main / java / net / pterodactylus / sonitus / io / flac / BlockType.java

diff --git a/src/main/java/net/pterodactylus/sonitus/io/flac/BlockType.java b/src/main/java/net/pterodactylus/sonitus/io/flac/BlockType.java
new file mode 100644 (file)
index 0000000..8cecc02
--- /dev/null
+++ b/src/main/java/net/pterodactylus/sonitus/io/flac/BlockType.java
@@ -0,0 +1,96 @@
+/*
+ * Sonitus - BlockType.java - Copyright © 2013 David Roden
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package net.pterodactylus.sonitus.io.flac;
+
+/**
+ * The type of a metadata block.
+ *
+ * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
+ */
+public enum BlockType {
+
+       /** A STREAMINFO block. */
+       STREAMINFO {
+               @Override
+               public Data createData(byte[] content) {
+                       return new StreamInfo(content);
+               }
+       },
+
+       /** A PADDING block. */
+       PADDING,
+
+       /** An APPLICATION block. */
+       APPLICATION,
+
+       /** A SEEKTABLE block. */
+       SEEKTABLE,
+
+       /** A VORBIS_COMMENT block. */
+       VORBIS_COMMENT,
+
+       /** A CUESHEET block. */
+       CUESHEET,
+
+       /** A PICTURE block. */
+       PICTURE,
+
+       /** A RESERVED block. */
+       RESERVED,
+
+       /** An INVALID block. */
+       INVALID;
+
+       //
+       // ACTIONS
+       //
+
+       /**
+        * Creates a {@link Data} object from the given byte array. Block type
+        * enumeration values can override this to return specialized parser objects.
+        *
+        * @param content
+        *              The content of the metadata block
+        * @return The metadata block as a data object
+        */
+       public Data createData(byte[] content) {
+               return new Data(content);
+       }
+
+       //
+       // STATIC METHODS
+       //
+
+       /**
+        * Creates a block type from the given block type number.
+        *
+        * @param blockType
+        *              The block type number
+        * @return The parsed block type
+        */
+       public static BlockType valueOf(int blockType) {
+               if ((blockType >= 0) && (blockType <= 6)) {
+                       return values()[blockType];
+               }
+               if ((blockType > 6) && (blockType < 127)) {
+                       return RESERVED;
+               }
+               return INVALID;
+       }
+
+}