java: fixes CustomMessage class

java/src/main/java/org/msgpack/CustomMessage.java

@@ -24,9 +24,18 @@ public class CustomMessage {
 		CustomPacker.register(target, packer);
 	}
 
-	public static void registerTemplate(Class<?> target, Template tmpl) {
-		CustomUnpacker.register(target, tmpl);
+	public static void registerConverter(Class<?> target, MessageConverter converter) {
+		CustomConverter.register(target, converter);
+	}
+
+	public static void registerUnpacker(Class<?> target, MessageUnpacker unpacker) {
+		CustomUnpacker.register(target, unpacker);
+	}
+
+	public static void register(Class<?> target, Template tmpl) {
+		CustomPacker.register(target, tmpl);
 		CustomConverter.register(target, tmpl);
+		CustomUnpacker.register(target, tmpl);
 	}
 
 	public static boolean isAnnotated(Class<?> target, Class<? extends Annotation> with) {

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

@@ -46,7 +46,7 @@ public class AnyTemplate implements Template {
 	static final AnyTemplate instance = new AnyTemplate();
 
 	static {
-		CustomMessage.registerTemplate(MessagePackObject.class, instance);
+		CustomMessage.register(MessagePackObject.class, instance);
 	}
 }
 

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

@@ -43,7 +43,7 @@ public class BigIntegerTemplate implements Template {
 	static final BigIntegerTemplate instance = new BigIntegerTemplate();
 
 	static {
-		CustomMessage.registerTemplate(BigInteger.class, instance);
+		CustomMessage.register(BigInteger.class, instance);
 	}
 }
 

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

@@ -42,7 +42,7 @@ public class BooleanTemplate implements Template {
 	static final BooleanTemplate instance = new BooleanTemplate();
 
 	static {
-		CustomMessage.registerTemplate(Boolean.class, instance);
+		CustomMessage.register(Boolean.class, instance);
 	}
 }
 

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

@@ -42,7 +42,7 @@ public class ByteArrayTemplate implements Template {
 	static final ByteArrayTemplate instance = new ByteArrayTemplate();
 
 	static {
-		CustomMessage.registerTemplate(byte[].class, instance);
+		CustomMessage.register(byte[].class, instance);
 	}
 }
 

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

@@ -42,7 +42,7 @@ public class ByteTemplate implements Template {
 	static final ByteTemplate instance = new ByteTemplate();
 
 	static {
-		CustomMessage.registerTemplate(Byte.class, instance);
+		CustomMessage.register(Byte.class, instance);
 	}
 }
 

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

@@ -42,7 +42,7 @@ public class DoubleTemplate implements Template {
 	static final DoubleTemplate instance = new DoubleTemplate();
 
 	static {
-		CustomMessage.registerTemplate(Double.class, instance);
+		CustomMessage.register(Double.class, instance);
 	}
 }
 

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

@@ -42,7 +42,7 @@ public class FloatTemplate implements Template {
 	static final FloatTemplate instance = new FloatTemplate();
 
 	static {
-		CustomMessage.registerTemplate(Float.class, instance);
+		CustomMessage.register(Float.class, instance);
 	}
 }
 

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

@@ -42,7 +42,7 @@ public class IntegerTemplate implements Template {
 	static final IntegerTemplate instance = new IntegerTemplate();
 
 	static {
-		CustomMessage.registerTemplate(Integer.class, instance);
+		CustomMessage.register(Integer.class, instance);
 	}
 }
 

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

@@ -42,7 +42,7 @@ public class LongTemplate implements Template {
 	static final LongTemplate instance = new LongTemplate();
 
 	static {
-		CustomMessage.registerTemplate(Long.class, instance);
+		CustomMessage.register(Long.class, instance);
 	}
 }
 

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

@@ -42,7 +42,7 @@ public class ShortTemplate implements Template {
 	static final ShortTemplate instance = new ShortTemplate();
 
 	static {
-		CustomMessage.registerTemplate(Short.class, instance);
+		CustomMessage.register(Short.class, instance);
 	}
 }
 

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

@@ -42,7 +42,7 @@ public class StringTemplate implements Template {
 	static final StringTemplate instance = new StringTemplate();
 
 	static {
-		CustomMessage.registerTemplate(String.class, instance);
+		CustomMessage.register(String.class, instance);
 	}
 }
 

java/src/main/java/org/msgpack/util/codegen/DynamicCodeGenBase.java

@@ -581,7 +581,7 @@ public class DynamicCodeGenBase implements Constants {
 			} else if (CustomMessage.isAnnotated(c, MessagePackMessage.class)) {
 				// @MessagePackMessage
 				Template tmpl = DynamicTemplate.create(c);
-				CustomMessage.registerTemplate(c, tmpl);
+				CustomMessage.register(c, tmpl);
 				return tmpl;
 			} else if (CustomMessage.isAnnotated(c, MessagePackDelegate.class)) {
 				// FIXME DelegatePacker
@@ -593,12 +593,12 @@ public class DynamicCodeGenBase implements Constants {
 					MessagePackOrdinalEnum.class)) {
 				// @MessagePackOrdinalEnum
 				Template tmpl = DynamicOrdinalEnumTemplate.create(c);
-				CustomMessage.registerTemplate(c, tmpl);
+				CustomMessage.register(c, tmpl);
 				return tmpl;
 			} else if (MessageConvertable.class.isAssignableFrom(c)
 					|| MessageUnpackable.class.isAssignableFrom(c)) {
 				Template tmpl = new MessageUnpackableConvertableTemplate(c);
-				CustomMessage.registerTemplate(c, tmpl);
+				CustomMessage.register(c, tmpl);
 				return tmpl;
 			} else {
 				throw new MessageTypeException("Type error: "