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@ -1,5 +1,5 @@ |
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/* |
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* Copyright 2002-2014 the original author or authors. |
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* Copyright 2002-2016 the original author or authors. |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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@ -16,30 +16,42 @@ |
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package org.springframework.http.converter.json; |
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import com.fasterxml.jackson.annotation.ObjectIdGenerator; |
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import com.fasterxml.jackson.annotation.ObjectIdResolver; |
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import com.fasterxml.jackson.databind.DeserializationConfig; |
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import com.fasterxml.jackson.databind.JsonDeserializer; |
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import com.fasterxml.jackson.databind.JsonSerializer; |
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import com.fasterxml.jackson.databind.KeyDeserializer; |
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import com.fasterxml.jackson.databind.PropertyNamingStrategy; |
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import com.fasterxml.jackson.databind.SerializationConfig; |
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import com.fasterxml.jackson.databind.cfg.HandlerInstantiator; |
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import com.fasterxml.jackson.databind.cfg.MapperConfig; |
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import com.fasterxml.jackson.databind.deser.ValueInstantiator; |
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import com.fasterxml.jackson.databind.introspect.Annotated; |
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import com.fasterxml.jackson.databind.jsontype.TypeIdResolver; |
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import com.fasterxml.jackson.databind.jsontype.TypeResolverBuilder; |
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import com.fasterxml.jackson.databind.ser.VirtualBeanPropertyWriter; |
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import com.fasterxml.jackson.databind.util.Converter; |
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import org.springframework.beans.factory.config.AutowireCapableBeanFactory; |
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import org.springframework.context.ApplicationContext; |
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import org.springframework.util.Assert; |
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/** |
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* Eventually get Jackson handler ({@link JsonSerializer}, {@link JsonDeserializer}, |
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* {@link KeyDeserializer}, {@link TypeResolverBuilder}, {@link TypeIdResolver}) beans by |
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* type from Spring {@link ApplicationContext}. If no bean is found, the default behavior |
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* happen (calling no-argument constructor via reflection). |
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* Allows for creating Jackson ({@link JsonSerializer}, {@link JsonDeserializer}, |
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* {@link KeyDeserializer}, {@link TypeResolverBuilder}, {@link TypeIdResolver}) |
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* beans with autowiring against a Spring {@link ApplicationContext}. |
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* |
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* <p>As of Spring 4.3, this overrides all factory methods in {@link HandlerInstantiator}, |
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* including non-abstract ones and recently introduced ones from Jackson 2.4 and 2.5: |
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* for {@link ValueInstantiator}, {@link ObjectIdGenerator}, {@link ObjectIdResolver}, |
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* {@link PropertyNamingStrategy}, {@link Converter}, {@link VirtualBeanPropertyWriter}. |
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* |
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* @since 4.1.3 |
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* @author Sebastien Deleuze |
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* @author Juergen Hoeller |
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* @since 4.1.3 |
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* @see Jackson2ObjectMapperBuilder#handlerInstantiator(HandlerInstantiator) |
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* @see ApplicationContext#getAutowireCapableBeanFactory() |
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* @see HandlerInstantiator |
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*/ |
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public class SpringHandlerInstantiator extends HandlerInstantiator { |
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@ -56,33 +68,66 @@ public class SpringHandlerInstantiator extends HandlerInstantiator { |
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this.beanFactory = beanFactory; |
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} |
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@Override |
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public JsonDeserializer<?> deserializerInstance(DeserializationConfig config, Annotated annotated, Class<?> implClass) { |
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return (JsonDeserializer<?>) this.beanFactory.createBean(implClass); |
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} |
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@Override |
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public KeyDeserializer keyDeserializerInstance(DeserializationConfig config, Annotated annotated, Class<?> implClass) { |
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return (KeyDeserializer) this.beanFactory.createBean(implClass); |
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} |
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@Override |
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public JsonSerializer<?> serializerInstance(SerializationConfig config, |
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Annotated annotated, Class<?> keyDeserClass) { |
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return (JsonSerializer<?>) this.beanFactory.createBean(keyDeserClass); |
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public JsonSerializer<?> serializerInstance(SerializationConfig config, Annotated annotated, Class<?> implClass) { |
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return (JsonSerializer<?>) this.beanFactory.createBean(implClass); |
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} |
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@Override |
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public JsonDeserializer<?> deserializerInstance(DeserializationConfig config, |
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Annotated annotated, Class<?> deserClass) { |
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return (JsonDeserializer<?>) this.beanFactory.createBean(deserClass); |
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public TypeResolverBuilder<?> typeResolverBuilderInstance(MapperConfig<?> config, Annotated annotated, Class<?> implClass) { |
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return (TypeResolverBuilder<?>) this.beanFactory.createBean(implClass); |
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} |
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@Override |
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public KeyDeserializer keyDeserializerInstance(DeserializationConfig config, |
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Annotated annotated, Class<?> serClass) { |
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return (KeyDeserializer) this.beanFactory.createBean(serClass); |
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public TypeIdResolver typeIdResolverInstance(MapperConfig<?> config, Annotated annotated, Class<?> implClass) { |
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return (TypeIdResolver) this.beanFactory.createBean(implClass); |
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} |
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/** @since 4.3 */ |
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@Override |
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public TypeResolverBuilder<?> typeResolverBuilderInstance(MapperConfig<?> config, |
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Annotated annotated, Class<?> resolverClass) { |
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return (TypeResolverBuilder<?>) this.beanFactory.createBean(resolverClass); |
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public ValueInstantiator valueInstantiatorInstance(MapperConfig<?> config, Annotated annotated, Class<?> implClass) { |
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return (ValueInstantiator) this.beanFactory.createBean(implClass); |
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} |
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/** @since 4.3 */ |
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@Override |
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public TypeIdResolver typeIdResolverInstance(MapperConfig<?> config, |
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Annotated annotated, Class<?> resolverClass) { |
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return (TypeIdResolver) this.beanFactory.createBean(resolverClass); |
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public ObjectIdGenerator<?> objectIdGeneratorInstance(MapperConfig<?> config, Annotated annotated, Class<?> implClass) { |
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return (ObjectIdGenerator<?>) this.beanFactory.createBean(implClass); |
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} |
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/** @since 4.3 */ |
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@Override |
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public ObjectIdResolver resolverIdGeneratorInstance(MapperConfig<?> config, Annotated annotated, Class<?> implClass) { |
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return (ObjectIdResolver) this.beanFactory.createBean(implClass); |
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} |
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/** @since 4.3 */ |
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@Override |
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public PropertyNamingStrategy namingStrategyInstance(MapperConfig<?> config, Annotated annotated, Class<?> implClass) { |
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return (PropertyNamingStrategy) this.beanFactory.createBean(implClass); |
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} |
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/** @since 4.3 */ |
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@Override |
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public Converter<?, ?> converterInstance(MapperConfig<?> config, Annotated annotated, Class<?> implClass) { |
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return (Converter<?, ?>) this.beanFactory.createBean(implClass); |
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} |
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/** @since 4.3 */ |
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@Override |
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public VirtualBeanPropertyWriter virtualPropertyWriterInstance(MapperConfig<?> config, Class<?> implClass) { |
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return (VirtualBeanPropertyWriter) this.beanFactory.createBean(implClass); |
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} |
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} |
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