diff src/main/java/org/msgpack/template/DoubleArrayTemplate.java @ 0:cb825acd883a

first commit
author sugi
date Sat, 18 Oct 2014 15:06:15 +0900
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main/java/org/msgpack/template/DoubleArrayTemplate.java	Sat Oct 18 15:06:15 2014 +0900
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+//
+// MessagePack for Java
+//
+// Copyright (C) 2009 - 2013 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.template;
+
+import java.io.IOException;
+import org.msgpack.packer.Packer;
+import org.msgpack.unpacker.Unpacker;
+import org.msgpack.MessageTypeException;
+
+public class DoubleArrayTemplate extends AbstractTemplate<double[]> {
+    private DoubleArrayTemplate() {
+    }
+
+    public void write(Packer pk, double[] target, boolean required)
+            throws IOException {
+        if (target == null) {
+            if (required) {
+                throw new MessageTypeException("Attempted to write null");
+            }
+            pk.writeNil();
+            return;
+        }
+        pk.writeArrayBegin(target.length);
+        for (double a : target) {
+            pk.write(a);
+        }
+        pk.writeArrayEnd();
+    }
+
+    public double[] read(Unpacker u, double[] to, boolean required)
+            throws IOException {
+        if (!required && u.trySkipNil()) {
+            return null;
+        }
+        int n = u.readArrayBegin();
+        if (to == null || to.length != n) {
+            to = new double[n];
+        }
+        for (int i = 0; i < n; i++) {
+            to[i] = u.readDouble();
+        }
+        u.readArrayEnd();
+        return to;
+    }
+
+    static public DoubleArrayTemplate getInstance() {
+        return instance;
+    }
+
+    static final DoubleArrayTemplate instance = new DoubleArrayTemplate();
+}