Examples of com.fasterxml.jackson.databind.jsontype.TypeDeserializer

Package com.fasterxml.jackson.databind.jsontype

Examples of com.fasterxml.jackson.databind.jsontype.TypeDeserializer

com.fasterxml.jackson.databind.jsontype.TypeDeserializer
Interface for deserializing type information from JSON content, to type-safely deserialize data into correct polymorphic instance (when type inclusion has been enabled for type handled).
Separate deserialization methods are needed because serialized form for inclusion mechanism {@link As#PROPERTY}is slighty different if value is not expressed as JSON Object: and as such both type deserializer and serializer need to JSON Object form (array, object or other (== scalar)) being used.

        /* First: does the Method specify the deserializer to use?
         * If so, let's use it.
         */
        JsonDeserializer<Object> propDeser = findDeserializerFromAnnotation(ctxt, mutator);
        type = modifyTypeByAnnotation(ctxt, mutator, type);
        TypeDeserializer typeDeser = type.getTypeHandler();
        SettableBeanProperty prop;
        if (mutator instanceof AnnotatedMethod) {
            prop = new MethodProperty(propDef, type, typeDeser,
                beanDesc.getClassAnnotations(), (AnnotatedMethod) mutator);
        } else {

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        /* First: does the Method specify the deserializer to use?
         * If so, let's use it.
         */
        JsonDeserializer<Object> propDeser = findDeserializerFromAnnotation(ctxt, getter);
        type = modifyTypeByAnnotation(ctxt, getter, type);
        TypeDeserializer typeDeser = type.getTypeHandler();
        SettableBeanProperty prop = new SetterlessProperty(propDef, type, typeDeser,
                beanDesc.getClassAnnotations(), getter);
        if (propDeser != null) {
            prop = prop.withValueDeserializer(propDeser);
        }

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        } else { // if directly assigned, probably not yet contextual, so:
            if (vd instanceof ContextualDeserializer) {
                vd = ((ContextualDeserializer) vd).createContextual(ctxt, property);
            }
        }
        TypeDeserializer vtd = _valueTypeDeserializer;
        if (vtd != null) {
            vtd = vtd.forProperty(property);
        }
        return withResolved(kd, vtd, vd);
    }

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            t = jp.nextToken();
        }
        final KeyDeserializer keyDes = _keyDeserializer;
        
        final JsonDeserializer<Object> valueDes = _valueDeserializer;
        final TypeDeserializer typeDeser = _valueTypeDeserializer;
        for (; t == JsonToken.FIELD_NAME; t = jp.nextToken()) {
            // Must point to field name
            String fieldName = jp.getCurrentName();
            Object key = keyDes.deserializeKey(fieldName, ctxt);
            // And then the value...

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        JsonToken t = jp.getCurrentToken();
        if (t == JsonToken.START_OBJECT) {
            t = jp.nextToken();
        }
        final JsonDeserializer<Object> valueDes = _valueDeserializer;
        final TypeDeserializer typeDeser = _valueTypeDeserializer;
        for (; t == JsonToken.FIELD_NAME; t = jp.nextToken()) {
            // Must point to field name
            String fieldName = jp.getCurrentName();
            // And then the value...
            t = jp.nextToken();

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        JsonToken t = jp.getCurrentToken();
        if (t == JsonToken.START_OBJECT) {
            t = jp.nextToken();
        }
        final JsonDeserializer<Object> valueDes = _valueDeserializer;
        final TypeDeserializer typeDeser = _valueTypeDeserializer;
        for (; t == JsonToken.FIELD_NAME; t = jp.nextToken()) {
            String propName = jp.getCurrentName();
            t = jp.nextToken(); // to get to value
            if (_ignorableProperties != null && _ignorableProperties.contains(propName)) {
                jp.skipChildren(); // and skip it (in case of array/object)

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            /* one more thing: if this property uses "external property" type inclusion
             * (see [JACKSON-453]), it needs different handling altogether
             */
            if (prop.hasValueTypeDeserializer()) {
                TypeDeserializer typeDeser = prop.getValueTypeDeserializer();
                if (typeDeser.getTypeInclusion() == JsonTypeInfo.As.EXTERNAL_PROPERTY) {
                    if (extTypes == null) {
                        extTypes = new ExternalTypeHandler.Builder();
                    }
                    extTypes.addExternal(prop, typeDeser.getPropertyName());
                    // In fact, remove from list of known properties to simplify later handling
                    _beanProperties.remove(prop);
                }
            }
        }

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            if (valueDeser instanceof ContextualDeserializer) {
                valueDeser = ((ContextualDeserializer) valueDeser).createContextual(ctxt, property);
            }
        }
        // and finally, type deserializer needs context as well
        TypeDeserializer valueTypeDeser = _valueTypeDeserializer;
        if (valueTypeDeser != null) {
            valueTypeDeser = valueTypeDeser.forProperty(property);
        }
        return withResolved(delegateDeser, valueDeser, valueTypeDeser);
    }

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            return handleNonArray(jp, ctxt, result);
        }


        JsonDeserializer<Object> valueDes = _valueDeserializer;
        JsonToken t;
        final TypeDeserializer typeDeser = _valueTypeDeserializer;


        while ((t = jp.nextToken()) != JsonToken.END_ARRAY) {
            Object value;
            
            if (t == JsonToken.VALUE_NULL) {

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        // [JACKSON-526]: implicit arrays from single values?
        if (!ctxt.isEnabled(DeserializationFeature.ACCEPT_SINGLE_VALUE_AS_ARRAY)) {
            throw ctxt.mappingException(_collectionType.getRawClass());
        }
        JsonDeserializer<Object> valueDes = _valueDeserializer;
        final TypeDeserializer typeDeser = _valueTypeDeserializer;
        JsonToken t = jp.getCurrentToken();


        Object value;
        
        if (t == JsonToken.VALUE_NULL) {

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