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| 1 | +// |
| 2 | +// MessagePack for Java |
| 3 | +// |
| 4 | +// Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | +// you may not use this file except in compliance with the License. |
| 6 | +// You may obtain a copy of the License at |
| 7 | +// |
| 8 | +// http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | +// |
| 10 | +// Unless required by applicable law or agreed to in writing, software |
| 11 | +// distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | +// See the License for the specific language governing permissions and |
| 14 | +// limitations under the License. |
| 15 | +// |
| 16 | +package org.msgpack.jackson.dataformat; |
| 17 | + |
| 18 | +import com.fasterxml.jackson.core.JsonParser; |
| 19 | +import com.fasterxml.jackson.core.type.TypeReference; |
| 20 | +import com.fasterxml.jackson.databind.DeserializationContext; |
| 21 | +import com.fasterxml.jackson.databind.JsonDeserializer; |
| 22 | +import com.fasterxml.jackson.databind.KeyDeserializer; |
| 23 | +import com.fasterxml.jackson.databind.ObjectMapper; |
| 24 | +import com.fasterxml.jackson.databind.deser.NullValueProvider; |
| 25 | +import com.fasterxml.jackson.databind.deser.impl.JDKValueInstantiators; |
| 26 | +import com.fasterxml.jackson.databind.deser.std.MapDeserializer; |
| 27 | +import com.fasterxml.jackson.databind.jsontype.TypeDeserializer; |
| 28 | +import com.fasterxml.jackson.databind.module.SimpleModule; |
| 29 | +import com.fasterxml.jackson.databind.type.TypeFactory; |
| 30 | + |
| 31 | +import java.io.IOException; |
| 32 | +import java.util.HashMap; |
| 33 | +import java.util.Map; |
| 34 | +import java.util.Set; |
| 35 | +import java.util.LinkedHashMap; |
| 36 | +import org.junit.Test; |
| 37 | + |
| 38 | +import static org.junit.Assert.assertEquals; |
| 39 | + |
| 40 | +public class MessagePackDataformatForFieldIdTest |
| 41 | +{ |
| 42 | + static class MessagePackMapDeserializer extends MapDeserializer |
| 43 | + { |
| 44 | + public static KeyDeserializer keyDeserializer = new KeyDeserializer() |
| 45 | + { |
| 46 | + @Override |
| 47 | + public Object deserializeKey(String s, DeserializationContext deserializationContext) |
| 48 | + throws IOException |
| 49 | + { |
| 50 | + JsonParser parser = deserializationContext.getParser(); |
| 51 | + if (parser instanceof MessagePackParser) { |
| 52 | + MessagePackParser p = (MessagePackParser) parser; |
| 53 | + if (p.isCurrentFieldId()) { |
| 54 | + return Integer.valueOf(s); |
| 55 | + } |
| 56 | + } |
| 57 | + return s; |
| 58 | + } |
| 59 | + }; |
| 60 | + |
| 61 | + public MessagePackMapDeserializer() |
| 62 | + { |
| 63 | + super( |
| 64 | + TypeFactory.defaultInstance().constructMapType(Map.class, Object.class, Object.class), |
| 65 | + JDKValueInstantiators.findStdValueInstantiator(null, LinkedHashMap.class), |
| 66 | + keyDeserializer, null, null); |
| 67 | + } |
| 68 | + |
| 69 | + public MessagePackMapDeserializer(MapDeserializer src, KeyDeserializer keyDeser, |
| 70 | + JsonDeserializer<Object> valueDeser, TypeDeserializer valueTypeDeser, NullValueProvider nuller, |
| 71 | + Set<String> ignorable, Set<String> includable) |
| 72 | + { |
| 73 | + super(src, keyDeser, valueDeser, valueTypeDeser, nuller, ignorable, includable); |
| 74 | + } |
| 75 | + |
| 76 | + @Override |
| 77 | + protected MapDeserializer withResolved(KeyDeserializer keyDeser, TypeDeserializer valueTypeDeser, |
| 78 | + JsonDeserializer<?> valueDeser, NullValueProvider nuller, Set<String> ignorable, |
| 79 | + Set<String> includable) |
| 80 | + { |
| 81 | + return new MessagePackMapDeserializer(this, keyDeser, (JsonDeserializer<Object>) valueDeser, valueTypeDeser, |
| 82 | + nuller, ignorable, includable); |
| 83 | + } |
| 84 | + } |
| 85 | + |
| 86 | + @Test |
| 87 | + public void testMixedKeys() |
| 88 | + throws IOException |
| 89 | + { |
| 90 | + ObjectMapper mapper = new ObjectMapper( |
| 91 | + new MessagePackFactory() |
| 92 | + .setSupportIntegerKeys(true) |
| 93 | + ) |
| 94 | + .registerModule(new SimpleModule() |
| 95 | + .addDeserializer(Map.class, new MessagePackMapDeserializer())); |
| 96 | + |
| 97 | + Map<Object, Object> map = new HashMap<>(); |
| 98 | + map.put(1, "one"); |
| 99 | + map.put("2", "two"); |
| 100 | + |
| 101 | + byte[] bytes = mapper.writeValueAsBytes(map); |
| 102 | + Map<Object, Object> deserializedInit = mapper.readValue(bytes, new TypeReference<Map<Object, Object>>() {}); |
| 103 | + |
| 104 | + Map<Object, Object> expected = new HashMap<>(map); |
| 105 | + Map<Object, Object> actual = new HashMap<>(deserializedInit); |
| 106 | + |
| 107 | + assertEquals(expected, actual); |
| 108 | + } |
| 109 | + |
| 110 | + @Test |
| 111 | + public void testMixedKeysBackwardsCompatiable() |
| 112 | + throws IOException |
| 113 | + { |
| 114 | + ObjectMapper mapper = new ObjectMapper(new MessagePackFactory()) |
| 115 | + .registerModule(new SimpleModule() |
| 116 | + .addDeserializer(Map.class, new MessagePackMapDeserializer())); |
| 117 | + |
| 118 | + Map<Object, Object> map = new HashMap<>(); |
| 119 | + map.put(1, "one"); |
| 120 | + map.put("2", "two"); |
| 121 | + |
| 122 | + byte[] bytes = mapper.writeValueAsBytes(map); |
| 123 | + Map<Object, Object> deserializedInit = mapper.readValue(bytes, new TypeReference<Map<Object, Object>>() {}); |
| 124 | + |
| 125 | + Map<Object, Object> expected = new HashMap<>(); |
| 126 | + expected.put("1", "one"); |
| 127 | + expected.put("2", "two"); |
| 128 | + Map<Object, Object> actual = new HashMap<>(deserializedInit); |
| 129 | + |
| 130 | + assertEquals(expected, actual); |
| 131 | + } |
| 132 | +} |
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