java: adds MessagePack class

java/src/main/java/org/msgpack/MessagePack.java

@@ -0,0 +1,123 @@
+//
+// MessagePack for Java
+//
+// Copyright (C) 2009-2010 FURUHASHI Sadayuki
+//
+//    Licensed under the Apache License, Version 2.0 (the "License");
+//    you may not use this file except in compliance with the License.
+//    You may obtain a copy of the License at
+//
+//        http://www.apache.org/licenses/LICENSE-2.0
+//
+//    Unless required by applicable law or agreed to in writing, software
+//    distributed under the License is distributed on an "AS IS" BASIS,
+//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//    See the License for the specific language governing permissions and
+//    limitations under the License.
+//
+package org.msgpack;
+
+import java.io.OutputStream;
+import java.io.InputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+
+public class MessagePack {
+	public static byte[] pack(Object obj) {
+		ByteArrayOutputStream out = new ByteArrayOutputStream();
+		try {
+			new Packer(out).pack(obj);
+		} catch (IOException e) {
+			throw new RuntimeException(e);
+		}
+		return out.toByteArray();
+	}
+
+	public static void pack(OutputStream out, Object obj) throws IOException {
+		new Packer(out).pack(obj);
+	}
+
+	public static byte[] pack(Object obj, Template tmpl) throws MessageTypeException {
+		ByteArrayOutputStream out = new ByteArrayOutputStream();
+		try {
+			new Packer(out).pack(obj, tmpl);
+		} catch (IOException e) {
+			throw new RuntimeException(e);
+		}
+		return out.toByteArray();
+	}
+
+	public static void pack(OutputStream out, Object obj, Template tmpl) throws IOException {
+		new Packer(out).pack(obj, tmpl);
+	}
+
+
+	public static MessagePackObject unpack(byte[] buffer) throws IOException {
+		Unpacker pac = new Unpacker();
+		pac.wrap(buffer);
+		try {
+			return pac.unpackObject();
+		} catch (IOException e) {
+			throw new RuntimeException(e);
+		}
+	}
+
+	public static Object unpack(byte[] buffer, Template tmpl) throws MessageTypeException {
+		Unpacker pac = new Unpacker();
+		pac.wrap(buffer);
+		try {
+			return pac.unpack(tmpl);
+		} catch (IOException e) {
+			throw new RuntimeException(e);
+		}
+	}
+
+	public static <T> T unpack(byte[] buffer, Class<T> klass) throws MessageTypeException {
+		Unpacker pac = new Unpacker();
+		pac.wrap(buffer);
+		try {
+			return pac.unpack(klass);
+		} catch (IOException e) {
+			throw new RuntimeException(e);
+		}
+	}
+
+	public static MessagePackObject unpack(InputStream in) {
+		Unpacker pac = new Unpacker(in);
+		try {
+			return pac.unpackObject();
+		} catch (IOException e) {
+			throw new RuntimeException(e);
+		}
+	}
+
+	public static Object unpack(InputStream in, Template tmpl) throws IOException, MessageTypeException {
+		Unpacker pac = new Unpacker(in);
+		try {
+			return pac.unpack(tmpl);
+		} catch (IOException e) {
+			throw new RuntimeException(e);
+		}
+	}
+
+	public static <T> T unpack(InputStream in, Class<T> klass) throws IOException, MessageTypeException {
+		Unpacker pac = new Unpacker(in);
+		try {
+			return pac.unpack(klass);
+		} catch (IOException e) {
+			throw new RuntimeException(e);
+		}
+
+	}
+
+	//public static void register(Class<?> target);  // TODO: auto-detect
+
+	//public static void register(Class<?> target, Template tmpl); // TODO
+
+	//public static void registerPacker(Class<?> target, MessagePacker packer); // TODO
+
+	//public static void registerConverter(Class<?> target, MessageConverter converter); // TODO
+
+	//public static void registerUnpacker(Class<?> target, MessageUnpacker unpacker); // TODO
+}
+

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

@@ -580,8 +580,9 @@ public class Unpacker implements Iterable<MessagePackObject> {
 		return tmpl.unpack(this);
 	}
 
-	final public Object unpack(Class<?> klass) throws IOException, MessageTypeException, InstantiationException, IllegalAccessException {
-		return unpack(Templates.tClass(klass));
+	final public <T> T unpack(Class<T> klass) throws IOException, MessageTypeException {
+		// FIXME optional?
+		return (T)unpack(Templates.tOptional(Templates.tClass(klass)));
 	}
 }