From ef136195e508933d207ba9bd0899a942273aba73 Mon Sep 17 00:00:00 2001
From: =?utf8?q?David=20=E2=80=98Bombe=E2=80=99=20Roden?=
 <bombe@pterodactylus.net>
Date: Thu, 14 Mar 2013 22:21:26 +0100
Subject: [PATCH] Throw a custom exception if a stream can not be identified.

---
 .../sonitus/io/IdentifierException.java            | 67 ++++++++++++++++++++++
 .../sonitus/io/OggVorbisIdentifier.java            |  6 +-
 2 files changed, 70 insertions(+), 3 deletions(-)
 create mode 100644 src/main/java/net/pterodactylus/sonitus/io/IdentifierException.java

diff --git a/src/main/java/net/pterodactylus/sonitus/io/IdentifierException.java b/src/main/java/net/pterodactylus/sonitus/io/IdentifierException.java
new file mode 100644
index 0000000..e6c03f6
--- /dev/null
+++ b/src/main/java/net/pterodactylus/sonitus/io/IdentifierException.java
@@ -0,0 +1,67 @@
+/*
+ * Sonitus - IdentifierException.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;
+
+import java.io.IOException;
+
+/**
+ * Exception that signals that a stream could not be identified by {@link
+ * IdentifyingInputStream}.
+ *
+ * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
+ */
+public class IdentifierException extends IOException {
+
+	/** Creates a new identifier exception. */
+	public IdentifierException() {
+		super();
+	}
+
+	/**
+	 * Creates a new identifier exception.
+	 *
+	 * @param message
+	 * 		The message of the exception
+	 */
+	public IdentifierException(String message) {
+		super(message);
+	}
+
+	/**
+	 * Creates a new identifier exception.
+	 *
+	 * @param cause
+	 * 		The root cause of the exception
+	 */
+	public IdentifierException(Throwable cause) {
+		super(cause);
+	}
+
+	/**
+	 * Creates a new identifier exception.
+	 *
+	 * @param message
+	 * 		The message of the exception
+	 * @param cause
+	 * 		The root cause of the exception
+	 */
+	public IdentifierException(String message, Throwable cause) {
+		super(message, cause);
+	}
+
+}
diff --git a/src/main/java/net/pterodactylus/sonitus/io/OggVorbisIdentifier.java b/src/main/java/net/pterodactylus/sonitus/io/OggVorbisIdentifier.java
index 64ad2dd..ab732b8 100644
--- a/src/main/java/net/pterodactylus/sonitus/io/OggVorbisIdentifier.java
+++ b/src/main/java/net/pterodactylus/sonitus/io/OggVorbisIdentifier.java
@@ -79,7 +79,7 @@ public class OggVorbisIdentifier {
 			syncState.wrote(read);
 			switch (syncState.pageout(page)) {
 				case -1:
-					throw new IOException("Hole in Ogg data!");
+					throw new IdentifierException("Hole in Ogg data!");
 				case 1:
 					if (!streamStateInitialized) {
 						/* init stream state. */
@@ -90,11 +90,11 @@ public class OggVorbisIdentifier {
 						streamStateInitialized = true;
 					}
 					if (streamState.pagein(page) == -1) {
-						throw new IOException("Error parsing Ogg data!");
+						throw new IdentifierException("Error parsing Ogg data!");
 					}
 					switch (streamState.packetout(packet)) {
 						case -1:
-							throw new IOException("Error parsing Ogg data!");
+							throw new IdentifierException("Error parsing Ogg data!");
 						case 1:
 							info.synthesis_headerin(comment, packet);
 							packetsRead++;
-- 
2.7.4