java: performance improvement for ByteBufferTemplate

java/src/main/java/org/msgpack/BufferedUnpackerImpl.java

@@ -420,6 +420,18 @@ abstract class BufferedUnpackerImpl extends UnpackerImpl {
 		return unpackRawBody(length);
 	}
 
+	final ByteBuffer unpackByteBuffer(int length) throws IOException, MessageTypeException {
+		more(length);
+		ByteBuffer buf = ByteBuffer.wrap(buffer, offset, length);
+		advance(length);
+		return buf;
+	}
+
+	final ByteBuffer unpackByteBuffer() throws IOException, MessageTypeException {
+		int length = unpackRaw();
+		return unpackByteBuffer(length);
+	}
+
 	final String unpackString() throws IOException, MessageTypeException {
 		int length = unpackRaw();
 		more(length);

java/src/main/java/org/msgpack/Packer.java

@@ -493,6 +493,13 @@ public class Packer {
 		return packRawBody(o);
 	}
 
+	public Packer pack(ByteBuffer o) throws IOException {
+		if (o == null) { return packNil(); }
+		ByteBuffer buf = (ByteBuffer) o;
+		packRaw(buf.remaining());
+		return packRawBody(buf.array(), buf.arrayOffset() + buf.position(), buf.remaining());
+	}
+
 	public Packer pack(List o) throws IOException {
 		if(o == null) { return packNil(); }
 		packArray(o.size());

java/src/main/java/org/msgpack/Unpacker.java

@@ -536,6 +536,7 @@ public class Unpacker implements Iterable<MessagePackObject> {
 		return impl.unpackRawBody(length);
 	}
 
+
 	/**
 	 * Gets one raw bytes from the buffer.
 	 * This method calls {@link fill()} method if needed.
@@ -544,6 +545,22 @@ public class Unpacker implements Iterable<MessagePackObject> {
 		return impl.unpackByteArray();
 	}
 
+	/**
+	 * Gets one raw body from the buffer.
+	 * This method calls {@link fill()} method if needed.
+	 */
+	public ByteBuffer unpackByteBuffer(int length) throws IOException {
+		return impl.unpackByteBuffer(length);
+	}
+
+	/**
+	 * Gets one raw body from the buffer.
+	 * This method calls {@link fill()} method if needed.
+	 */
+	public ByteBuffer unpackByteBuffer() throws IOException {
+		return impl.unpackByteBuffer();
+	}
+
 	/**
 	 * Gets one {@code String} value from the buffer.
 	 * This method calls {@link fill()} method if needed.

java/src/main/java/org/msgpack/template/ByteBufferTemplate.java

@@ -22,20 +22,21 @@ import java.io.IOException;
 import org.msgpack.*;
 
 public class ByteBufferTemplate implements Template {
-	private ByteBufferTemplate() { }
+	private ByteBufferTemplate() {
+	}
 
 	public void pack(Packer pk, Object target) throws IOException {
-		ByteBuffer buf = (ByteBuffer) target;
+		pk.pack((ByteBuffer) target);
-		pk.packRaw(buf.remaining());
-		pk.packRawBody(buf.array(), buf.arrayOffset() + buf.position(), buf.remaining());
 	}
 
-	public Object unpack(Unpacker pac, Object to) throws IOException, MessageTypeException {
+	public Object unpack(Unpacker pac, Object to) throws IOException,
-		byte[] bytes = pac.unpackByteArray();
+			MessageTypeException {
-		return ByteBuffer.wrap(bytes);
+		return pac.unpackByteBuffer();
 	}
 
-	public Object convert(MessagePackObject from, Object to) throws MessageTypeException {
+	public Object convert(MessagePackObject from, Object to)
+			throws MessageTypeException {
+		// FIXME
 		byte[] bytes = from.asByteArray();
 		return ByteBuffer.wrap(bytes);
 	}
@@ -50,4 +51,3 @@ public class ByteBufferTemplate implements Template {
 		TemplateRegistry.register(ByteBuffer.class, instance);
 	}
 }
-