Example usage for com.fasterxml.jackson.databind JsonDeserializer replaceDelegatee

Introduction

In this page you can find the example usage for com.fasterxml.jackson.databind JsonDeserializer replaceDelegatee.

Prototype

public JsonDeserializer<?> replaceDelegatee(JsonDeserializer<?> paramJsonDeserializer) 

Source Link

Usage

From source file:com.addthis.codec.jackson.CodecBeanDeserializerModifier.java

@Override
public JsonDeserializer<?> modifyEnumDeserializer(DeserializationConfig config, JavaType type,
        BeanDescription beanDesc, JsonDeserializer<?> deserializer) {
    JsonDeserializer<?> delegatee = deserializer.getDelegatee();
    if (delegatee != null) {
        JsonDeserializer<?> replacementDelegatee = modifyEnumDeserializer(config, type, beanDesc, delegatee);
        return deserializer.replaceDelegatee(replacementDelegatee);
    } else if (modifyEnum && deserializer.getClass().equals(EnumDeserializer.class)) {
        EnumResolver enumResolver = EnumResolver.constructUnsafe(type.getRawClass(),
                config.getAnnotationIntrospector());
        return new CaseIgnoringEnumDeserializer(enumResolver);
    } else {//  w  ww . j a v a2s . c om
        return deserializer;
    }
}

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From source file:com.addthis.codec.jackson.CodecBeanDeserializerModifier.java

@Override
public JsonDeserializer<?> modifyDeserializer(DeserializationConfig config, BeanDescription beanDesc,
        JsonDeserializer<?> deserializer) {
    JsonDeserializer<?> delegatee = deserializer.getDelegatee();
    if (delegatee != null) {
        JsonDeserializer<?> replacementDelegatee = modifyDeserializer(config, beanDesc, delegatee);
        return deserializer.replaceDelegatee(replacementDelegatee);
    } else if (deserializer instanceof BeanDeserializerBase) {
        BeanDeserializerBase beanDeserializer = (BeanDeserializerBase) deserializer;
        ObjectNode fieldDefaults = config.getNodeFactory().objectNode();
        Iterator<SettableBeanProperty> propertyIterator = beanDeserializer.properties();
        while (propertyIterator.hasNext()) {
            SettableBeanProperty prop = propertyIterator.next();
            Class<?> declaringClass = prop.getMember().getDeclaringClass();
            String canonicalClassName = declaringClass.getCanonicalName();
            if ((canonicalClassName != null) && globalDefaults.hasPath(canonicalClassName)) {
                Config declarerDefaults = globalDefaults.getConfig(canonicalClassName);
                String propertyName = prop.getName();
                if (declarerDefaults.hasPath(propertyName)) {
                    ConfigValue defaultValue = declarerDefaults.getValue(propertyName);
                    JsonNode fieldDefault = Jackson.configConverter(defaultValue);
                    fieldDefaults.set(propertyName, fieldDefault);
                }//from  w  w w .j a v  a2s.  c o m
            }
        }
        return new CodecBeanDeserializer(beanDeserializer, fieldDefaults);
    } else {
        return deserializer;
    }
}

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