Java tutorial
/* * 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 com.addthis.codec.jackson; import java.util.Collection; import com.addthis.codec.plugins.PluginMap; import com.addthis.codec.plugins.PluginRegistry; import com.fasterxml.jackson.annotation.JsonTypeInfo; import com.fasterxml.jackson.databind.DeserializationConfig; import com.fasterxml.jackson.databind.JavaType; import com.fasterxml.jackson.databind.cfg.MapperConfig; import com.fasterxml.jackson.databind.jsontype.NamedType; import com.fasterxml.jackson.databind.jsontype.impl.StdTypeResolverBuilder; import com.fasterxml.jackson.databind.type.TypeFactory; public class CodecTypeResolverBuilder extends StdTypeResolverBuilder { private final PluginMap pluginMap; private final TypeFactory typeFactory; private final PluginRegistry pluginRegistry; public CodecTypeResolverBuilder(PluginMap pluginMap, TypeFactory typeFactory, PluginRegistry pluginRegistry) { this.pluginMap = pluginMap; this.typeFactory = typeFactory; this.pluginRegistry = pluginRegistry; defaultImpl(pluginMap.defaultSugar()); typeProperty(pluginMap.classField()); inclusion(JsonTypeInfo.As.PROPERTY); } @Override public CodecTypeDeserializer buildTypeDeserializer(DeserializationConfig config, JavaType baseType, Collection<NamedType> subtypes) { CodecTypeIdResolver codecTypeIdResolver = idResolver(config, baseType, subtypes, false, true); Class<?> defaultImplForType = _defaultImpl; if ((_defaultImpl == null) || !baseType.getRawClass().isAssignableFrom(_defaultImpl)) { defaultImplForType = baseType.getRawClass(); } return new CodecTypeDeserializer(pluginMap, _includeAs, baseType, codecTypeIdResolver, _typeProperty, _typeIdVisible, typeFactory.constructSpecializedType(baseType, defaultImplForType)); } @Override protected CodecTypeIdResolver idResolver(MapperConfig<?> config, JavaType baseType, Collection<NamedType> subtypes, boolean forSer, boolean forDeser) { return new CodecTypeIdResolver(pluginMap, baseType, typeFactory, subtypes, pluginRegistry); } }