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1 //
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2 // MessagePack for Java
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3 //
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4 // Copyright (C) 2009 - 2013 FURUHASHI Sadayuki
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5 //
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6 // Licensed under the Apache License, Version 2.0 (the "License");
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7 // you may not use this file except in compliance with the License.
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8 // You may obtain a copy of the License at
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9 //
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10 // http://www.apache.org/licenses/LICENSE-2.0
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11 //
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12 // Unless required by applicable law or agreed to in writing, software
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13 // distributed under the License is distributed on an "AS IS" BASIS,
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14 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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15 // See the License for the specific language governing permissions and
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16 // limitations under the License.
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17 //
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18 package org.msgpack.unpacker;
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19
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20 import java.math.BigInteger;
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21
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22 final class BigIntegerAccept extends Accept {
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23 BigInteger value;
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24
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25 BigIntegerAccept() {
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26 super("integer");
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27 }
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28
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29 @Override
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30 void acceptInteger(byte v) {
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31 this.value = BigInteger.valueOf((long) v);
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32 }
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33
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34 @Override
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35 void acceptInteger(short v) {
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36 this.value = BigInteger.valueOf((long) v);
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37 }
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38
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39 @Override
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40 void acceptInteger(int v) {
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41 this.value = BigInteger.valueOf((long) v);
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42 }
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43
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44 @Override
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45 void acceptInteger(long v) {
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46 this.value = BigInteger.valueOf(v);
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47 }
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48
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49 @Override
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50 void acceptUnsignedInteger(byte v) {
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51 this.value = BigInteger.valueOf((long) (v & 0xff));
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52 }
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53
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54 @Override
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55 void acceptUnsignedInteger(short v) {
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56 this.value = BigInteger.valueOf((long) (v & 0xffff));
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57 }
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58
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59 @Override
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60 void acceptUnsignedInteger(int v) {
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61 if (v < 0) {
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62 this.value = BigInteger.valueOf((long) (v & 0x7fffffff) + 0x80000000L);
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63 } else {
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64 this.value = BigInteger.valueOf((long) v);
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65 }
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66 }
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67
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68 @Override
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69 void acceptUnsignedInteger(long v) {
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70 if (v < 0L) {
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71 this.value = BigInteger.valueOf(v + Long.MAX_VALUE + 1L).setBit(63);
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72 } else {
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73 this.value = BigInteger.valueOf(v);
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74 }
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75 }
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76 }
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