|
0
|
1 //
|
|
|
2 // MessagePack for Java
|
|
|
3 //
|
|
|
4 // Copyright (C) 2009 - 2013 FURUHASHI Sadayuki
|
|
|
5 //
|
|
|
6 // Licensed under the Apache License, Version 2.0 (the "License");
|
|
|
7 // you may not use this file except in compliance with the License.
|
|
|
8 // You may obtain a copy of the License at
|
|
|
9 //
|
|
|
10 // http://www.apache.org/licenses/LICENSE-2.0
|
|
|
11 //
|
|
|
12 // Unless required by applicable law or agreed to in writing, software
|
|
|
13 // distributed under the License is distributed on an "AS IS" BASIS,
|
|
|
14 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
|
15 // See the License for the specific language governing permissions and
|
|
|
16 // limitations under the License.
|
|
|
17 //
|
|
|
18 package org.msgpack.template;
|
|
|
19
|
|
|
20 import java.io.IOException;
|
|
|
21 import org.msgpack.packer.Packer;
|
|
|
22 import org.msgpack.unpacker.Unpacker;
|
|
|
23 import org.msgpack.MessageTypeException;
|
|
|
24
|
|
|
25 public class DoubleArrayTemplate extends AbstractTemplate<double[]> {
|
|
|
26 private DoubleArrayTemplate() {
|
|
|
27 }
|
|
|
28
|
|
|
29 public void write(Packer pk, double[] target, boolean required)
|
|
|
30 throws IOException {
|
|
|
31 if (target == null) {
|
|
|
32 if (required) {
|
|
|
33 throw new MessageTypeException("Attempted to write null");
|
|
|
34 }
|
|
|
35 pk.writeNil();
|
|
|
36 return;
|
|
|
37 }
|
|
|
38 pk.writeArrayBegin(target.length);
|
|
|
39 for (double a : target) {
|
|
|
40 pk.write(a);
|
|
|
41 }
|
|
|
42 pk.writeArrayEnd();
|
|
|
43 }
|
|
|
44
|
|
|
45 public double[] read(Unpacker u, double[] to, boolean required)
|
|
|
46 throws IOException {
|
|
|
47 if (!required && u.trySkipNil()) {
|
|
|
48 return null;
|
|
|
49 }
|
|
|
50 int n = u.readArrayBegin();
|
|
|
51 if (to == null || to.length != n) {
|
|
|
52 to = new double[n];
|
|
|
53 }
|
|
|
54 for (int i = 0; i < n; i++) {
|
|
|
55 to[i] = u.readDouble();
|
|
|
56 }
|
|
|
57 u.readArrayEnd();
|
|
|
58 return to;
|
|
|
59 }
|
|
|
60
|
|
|
61 static public DoubleArrayTemplate getInstance() {
|
|
|
62 return instance;
|
|
|
63 }
|
|
|
64
|
|
|
65 static final DoubleArrayTemplate instance = new DoubleArrayTemplate();
|
|
|
66 }
|
