Examples with HandlerInstantiator com.fasterxml.jackson.databind.cfg.HandlerInstantiator used on opensource projects

Example 6 with HandlerInstantiator

use of com.fasterxml.jackson.databind.cfg.HandlerInstantiator in project jackson-databind by FasterXML.

the class POJOPropertiesCollector method _findNamingStrategy.

private PropertyNamingStrategy _findNamingStrategy() {
    Object namingDef = (_annotationIntrospector == null) ? null : _annotationIntrospector.findNamingStrategy(_classDef);
    if (namingDef == null) {
        return _config.getPropertyNamingStrategy();
    }
    if (namingDef instanceof PropertyNamingStrategy) {
        return (PropertyNamingStrategy) namingDef;
    }
    /* Alas, there's no way to force return type of "either class
         * X or Y" -- need to throw an exception after the fact
         */
    if (!(namingDef instanceof Class)) {
        throw new IllegalStateException("AnnotationIntrospector returned PropertyNamingStrategy definition of type " + namingDef.getClass().getName() + "; expected type PropertyNamingStrategy or Class<PropertyNamingStrategy> instead");
    }
    Class<?> namingClass = (Class<?>) namingDef;
    // 09-Nov-2015, tatu: Need to consider pseudo-value of STD, which means "use default"
    if (namingClass == PropertyNamingStrategy.class) {
        return null;
    }
    if (!PropertyNamingStrategy.class.isAssignableFrom(namingClass)) {
        throw new IllegalStateException("AnnotationIntrospector returned Class " + namingClass.getName() + "; expected Class<PropertyNamingStrategy>");
    }
    HandlerInstantiator hi = _config.getHandlerInstantiator();
    if (hi != null) {
        PropertyNamingStrategy pns = hi.namingStrategyInstance(_config, _classDef, namingClass);
        if (pns != null) {
            return pns;
        }
    }
    return (PropertyNamingStrategy) ClassUtil.createInstance(namingClass, _config.canOverrideAccessModifiers());
}

Example 7 with HandlerInstantiator

use of com.fasterxml.jackson.databind.cfg.HandlerInstantiator in project jackson-databind by FasterXML.

the class BasicBeanDescription method _createConverter.

/*
    /**********************************************************
    /* Helper methods, other
    /**********************************************************
     */
@SuppressWarnings("unchecked")
protected Converter<Object, Object> _createConverter(Object converterDef) {
    if (converterDef == null) {
        return null;
    }
    if (converterDef instanceof Converter<?, ?>) {
        return (Converter<Object, Object>) converterDef;
    }
    if (!(converterDef instanceof Class)) {
        throw new IllegalStateException("AnnotationIntrospector returned Converter definition of type " + converterDef.getClass().getName() + "; expected type Converter or Class<Converter> instead");
    }
    Class<?> converterClass = (Class<?>) converterDef;
    // there are some known "no class" markers to consider too:
    if (converterClass == Converter.None.class || ClassUtil.isBogusClass(converterClass)) {
        return null;
    }
    if (!Converter.class.isAssignableFrom(converterClass)) {
        throw new IllegalStateException("AnnotationIntrospector returned Class " + converterClass.getName() + "; expected Class<Converter>");
    }
    HandlerInstantiator hi = _config.getHandlerInstantiator();
    Converter<?, ?> conv = (hi == null) ? null : hi.converterInstance(_config, _classInfo, converterClass);
    if (conv == null) {
        conv = (Converter<?, ?>) ClassUtil.createInstance(converterClass, _config.canOverrideAccessModifiers());
    }
    return (Converter<Object, Object>) conv;
}

Example 8 with HandlerInstantiator

use of com.fasterxml.jackson.databind.cfg.HandlerInstantiator in project jackson-databind by FasterXML.

the class DefaultDeserializationContext method deserializerInstance.

/*
    /**********************************************************
    /* Abstract methods impls, other factory methods
    /**********************************************************
     */
@SuppressWarnings("unchecked")
@Override
public JsonDeserializer<Object> deserializerInstance(Annotated ann, Object deserDef) throws JsonMappingException {
    if (deserDef == null) {
        return null;
    }
    JsonDeserializer<?> deser;
    if (deserDef instanceof JsonDeserializer) {
        deser = (JsonDeserializer<?>) deserDef;
    } else {
        /* Alas, there's no way to force return type of "either class
             * X or Y" -- need to throw an exception after the fact
             */
        if (!(deserDef instanceof Class)) {
            throw new IllegalStateException("AnnotationIntrospector returned deserializer definition of type " + deserDef.getClass().getName() + "; expected type JsonDeserializer or Class<JsonDeserializer> instead");
        }
        Class<?> deserClass = (Class<?>) deserDef;
        // there are some known "no class" markers to consider too:
        if (deserClass == JsonDeserializer.None.class || ClassUtil.isBogusClass(deserClass)) {
            return null;
        }
        if (!JsonDeserializer.class.isAssignableFrom(deserClass)) {
            throw new IllegalStateException("AnnotationIntrospector returned Class " + deserClass.getName() + "; expected Class<JsonDeserializer>");
        }
        HandlerInstantiator hi = _config.getHandlerInstantiator();
        deser = (hi == null) ? null : hi.deserializerInstance(_config, ann, deserClass);
        if (deser == null) {
            deser = (JsonDeserializer<?>) ClassUtil.createInstance(deserClass, _config.canOverrideAccessModifiers());
        }
    }
    // First: need to resolve
    if (deser instanceof ResolvableDeserializer) {
        ((ResolvableDeserializer) deser).resolve(this);
    }
    return (JsonDeserializer<Object>) deser;
}

Example 9 with HandlerInstantiator

use of com.fasterxml.jackson.databind.cfg.HandlerInstantiator in project jackson-databind by FasterXML.

the class DatabindContext method objectIdGeneratorInstance.

/*
    /**********************************************************
    /* Helper object construction
    /**********************************************************
     */
public ObjectIdGenerator<?> objectIdGeneratorInstance(Annotated annotated, ObjectIdInfo objectIdInfo) throws JsonMappingException {
    Class<?> implClass = objectIdInfo.getGeneratorType();
    final MapperConfig<?> config = getConfig();
    HandlerInstantiator hi = config.getHandlerInstantiator();
    ObjectIdGenerator<?> gen = (hi == null) ? null : hi.objectIdGeneratorInstance(config, annotated, implClass);
    if (gen == null) {
        gen = (ObjectIdGenerator<?>) ClassUtil.createInstance(implClass, config.canOverrideAccessModifiers());
    }
    return gen.forScope(objectIdInfo.getScope());
}

Example 10 with HandlerInstantiator

use of com.fasterxml.jackson.databind.cfg.HandlerInstantiator in project jackson-databind by FasterXML.

the class DefaultSerializerProvider method serializerInstance.

/*
    /**********************************************************
    /* Abstract method impls, factory methods
    /**********************************************************
     */
@Override
public JsonSerializer<Object> serializerInstance(Annotated annotated, Object serDef) throws JsonMappingException {
    if (serDef == null) {
        return null;
    }
    JsonSerializer<?> ser;
    if (serDef instanceof JsonSerializer) {
        ser = (JsonSerializer<?>) serDef;
    } else {
        // X or Y" -- need to throw an exception after the fact
        if (!(serDef instanceof Class)) {
            reportBadDefinition(annotated.getType(), "AnnotationIntrospector returned serializer definition of type " + serDef.getClass().getName() + "; expected type JsonSerializer or Class<JsonSerializer> instead");
        }
        Class<?> serClass = (Class<?>) serDef;
        // there are some known "no class" markers to consider too:
        if (serClass == JsonSerializer.None.class || ClassUtil.isBogusClass(serClass)) {
            return null;
        }
        if (!JsonSerializer.class.isAssignableFrom(serClass)) {
            reportBadDefinition(annotated.getType(), "AnnotationIntrospector returned Class " + serClass.getName() + "; expected Class<JsonSerializer>");
        }
        HandlerInstantiator hi = _config.getHandlerInstantiator();
        ser = (hi == null) ? null : hi.serializerInstance(_config, annotated, serClass);
        if (ser == null) {
            ser = (JsonSerializer<?>) ClassUtil.createInstance(serClass, _config.canOverrideAccessModifiers());
        }
    }
    return (JsonSerializer<Object>) _handleResolvable(ser);
}