import MessagePack for Java

java/src/org/msgpack/schema/DoubleSchema.java

@@ -0,0 +1,84 @@
+//
+// 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.schema;
+
+import java.io.IOException;
+import org.msgpack.*;
+
+public class DoubleSchema extends Schema {
+	public DoubleSchema() {
+		super("Double");
+	}
+
+	@Override
+	public String getExpression() {
+		return "double";
+	}
+
+	@Override
+	public void pack(Packer pk, Object obj) throws IOException {
+		if(obj instanceof Number) {
+			pk.packDouble( ((Number)obj).doubleValue() );
+
+		} else if(obj == null) {
+			pk.packNil();
+
+		} else {
+			throw MessageTypeException.invalidConvert(obj, this);
+		}
+	}
+
+	@Override
+	public Object convert(Object obj) throws MessageTypeException {
+		if(obj instanceof Double) {
+			return obj;
+
+		} else if(obj instanceof Number) {
+			return ((Number)obj).doubleValue();
+
+		} else {
+			throw MessageTypeException.invalidConvert(obj, this);
+		}
+	}
+
+	@Override
+	public Object createFromByte(byte v) {
+		return (double)v;
+	}
+
+	@Override
+	public Object createFromShort(short v) {
+		return (double)v;
+	}
+
+	@Override
+	public Object createFromInt(int v) {
+		return (double)v;
+	}
+
+	@Override
+	public Object createFromFloat(float v) {
+		return (double)v;
+	}
+
+	@Override
+	public Object createFromDouble(double v) {
+		return (double)v;
+	}
+}
+