com.fasterxml.jackson.databind.cfg.DeserializerFactoryConfig#com.fasterxml.jackson.databind.deser.DeserializerFactory源码实例Demo

@Override
public DeserializerFactory withConfig(DeserializerFactoryConfig config)
{
    if (_factoryConfig == config) {
        return this;
    }
    return new StrictDeserializerFactory(config);
}
 

/**
 * Set all prefixed properties on {@link ClientConfiguration}.
 * @param config
 * @param configProps
 */
public static void setAwsClientConfigProperties(ClientConfiguration config,
												Properties configProps) {

	Map<String, Object> awsConfigProperties = new HashMap<>();
	for (Map.Entry<Object, Object> entry : configProps.entrySet()) {
		String key = (String) entry.getKey();
		if (key.startsWith(AWS_CLIENT_CONFIG_PREFIX)) {
			awsConfigProperties.put(key.substring(AWS_CLIENT_CONFIG_PREFIX.length()), entry.getValue());
		}
	}
	// Jackson does not like the following properties
	String[] ignorableProperties = {"secureRandom"};
	BeanDeserializerModifier modifier = new BeanDeserializerModifierForIgnorables(
		ClientConfiguration.class, ignorableProperties);
	DeserializerFactory factory = BeanDeserializerFactory.instance.withDeserializerModifier(
		modifier);
	ObjectMapper mapper = new ObjectMapper(null, null,
		new DefaultDeserializationContext.Impl(factory));

	JsonNode propTree = mapper.convertValue(awsConfigProperties, JsonNode.class);
	try {
		mapper.readerForUpdating(config).readValue(propTree);
	} catch (IOException ex) {
		throw new RuntimeException(ex);
	}
}
 

/**
 * Set all prefixed properties on {@link ClientConfiguration}.
 * @param config
 * @param configProps
 */
public static void setAwsClientConfigProperties(ClientConfiguration config,
												Properties configProps) {

	Map<String, Object> awsConfigProperties = new HashMap<>();
	for (Map.Entry<Object, Object> entry : configProps.entrySet()) {
		String key = (String) entry.getKey();
		if (key.startsWith(AWS_CLIENT_CONFIG_PREFIX)) {
			awsConfigProperties.put(key.substring(AWS_CLIENT_CONFIG_PREFIX.length()), entry.getValue());
		}
	}
	// Jackson does not like the following properties
	String[] ignorableProperties = {"secureRandom"};
	BeanDeserializerModifier modifier = new BeanDeserializerModifierForIgnorables(
		ClientConfiguration.class, ignorableProperties);
	DeserializerFactory factory = BeanDeserializerFactory.instance.withDeserializerModifier(
		modifier);
	ObjectMapper mapper = new ObjectMapper(null, null,
		new DefaultDeserializationContext.Impl(factory));

	JsonNode propTree = mapper.convertValue(awsConfigProperties, JsonNode.class);
	try {
		mapper.readerForUpdating(config).readValue(propTree);
	} catch (IOException ex) {
		throw new RuntimeException(ex);
	}
}
 

/**
 * Set all prefixed properties on {@link ClientConfiguration}.
 * @param config
 * @param configProps
 */
public static void setAwsClientConfigProperties(ClientConfiguration config,
												Properties configProps) {

	Map<String, Object> awsConfigProperties = new HashMap<>();
	for (Map.Entry<Object, Object> entry : configProps.entrySet()) {
		String key = (String) entry.getKey();
		if (key.startsWith(AWS_CLIENT_CONFIG_PREFIX)) {
			awsConfigProperties.put(key.substring(AWS_CLIENT_CONFIG_PREFIX.length()), entry.getValue());
		}
	}
	// Jackson does not like the following properties
	String[] ignorableProperties = {"secureRandom"};
	BeanDeserializerModifier modifier = new BeanDeserializerModifierForIgnorables(
		ClientConfiguration.class, ignorableProperties);
	DeserializerFactory factory = BeanDeserializerFactory.instance.withDeserializerModifier(
		modifier);
	ObjectMapper mapper = new ObjectMapper(null, null,
		new DefaultDeserializationContext.Impl(factory));

	JsonNode propTree = mapper.convertValue(awsConfigProperties, JsonNode.class);
	try {
		mapper.readerForUpdating(config).readValue(propTree);
	} catch (IOException ex) {
		throw new RuntimeException(ex);
	}
}
 

private static JsonDeserializer<?> createEnumDeserializer(DeserializationContext ctxt,
	JavaType type) throws JsonMappingException {
	BeanDescription beanDesc = ctxt.getConfig().introspect(type);
	DeserializerFactory factory = ctxt.getFactory();
	return factory.createEnumDeserializer(ctxt, type, beanDesc);
}