Mercurial > hg > Members > sugi > MessagePack-java

comparison src/main/java/org/msgpack/unpacker/BigIntegerAccept.java @ 0:cb825acd883a

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author sugi
date Sat, 18 Oct 2014 15:06:15 +0900
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-1:000000000000 0:cb825acd883a
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.unpacker;
19
20 import java.math.BigInteger;
21
22 final class BigIntegerAccept extends Accept {
23 BigInteger value;
24
25 BigIntegerAccept() {
26 super("integer");
27 }
28
29 @Override
30 void acceptInteger(byte v) {
31 this.value = BigInteger.valueOf((long) v);
32 }
33
34 @Override
35 void acceptInteger(short v) {
36 this.value = BigInteger.valueOf((long) v);
37 }
38
39 @Override
40 void acceptInteger(int v) {
41 this.value = BigInteger.valueOf((long) v);
42 }
43
44 @Override
45 void acceptInteger(long v) {
46 this.value = BigInteger.valueOf(v);
47 }
48
49 @Override
50 void acceptUnsignedInteger(byte v) {
51 this.value = BigInteger.valueOf((long) (v & 0xff));
52 }
53
54 @Override
55 void acceptUnsignedInteger(short v) {
56 this.value = BigInteger.valueOf((long) (v & 0xffff));
57 }
58
59 @Override
60 void acceptUnsignedInteger(int v) {
61 if (v < 0) {
62 this.value = BigInteger.valueOf((long) (v & 0x7fffffff) + 0x80000000L);
63 } else {
64 this.value = BigInteger.valueOf((long) v);
65 }
66 }
67
68 @Override
69 void acceptUnsignedInteger(long v) {
70 if (v < 0L) {
71 this.value = BigInteger.valueOf(v + Long.MAX_VALUE + 1L).setBit(63);
72 } else {
73 this.value = BigInteger.valueOf(v);
74 }
75 }
76 }