Add parser for FLAC metadata.

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

diff --git a/src/main/java/net/pterodactylus/sonitus/io/flac/MetadataBlock.java b/src/main/java/net/pterodactylus/sonitus/io/flac/MetadataBlock.java
new file mode 100644 (file)
index 0000000..9966714
--- /dev/null
+++ b/src/main/java/net/pterodactylus/sonitus/io/flac/MetadataBlock.java
@@ -0,0 +1,91 @@
+/*
+ * Sonitus - MetadataBlock.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;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+/**
+ * A metadata block.
+ *
+ * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
+ */
+public class MetadataBlock {
+
+       /** The header of the metadata block. */
+       private final Header header;
+
+       /** The data of the metadata block. */
+       private final Data data;
+
+       /**
+        * Creates a new metadata block.
+        *
+        * @param header
+        *              The header of the metadata block
+        * @param data
+        *              The data of the metadata block
+        */
+       MetadataBlock(Header header, Data data) {
+               this.header = header;
+               this.data = data;
+       }
+
+       //
+       // ACCESSORS
+       //
+
+       /**
+        * Returns the header of this metadata block.
+        *
+        * @return The header of this metadata block
+        */
+       public Header header() {
+               return header;
+       }
+
+       /**
+        * Returns the data of this metadata block.
+        *
+        * @return The data of this metadata block
+        */
+       public Data data() {
+               return data;
+       }
+
+       //
+       // STATIC METHODS
+       //
+
+       /**
+        * Parses the metadata block from the current position of the given input
+        * stream.
+        *
+        * @param inputStream
+        *              The input stream to parse the metadata block from
+        * @return The parsed metadata block
+        * @throws IOException
+        *              if an I/O error occurs
+        */
+       public static MetadataBlock parse(InputStream inputStream) throws IOException {
+               Header header = Header.parse(inputStream);
+               Data data = Data.parse(inputStream, header.blockType(), header.length());
+               return new MetadataBlock(header, data);
+       }
+
+}