com.fasterxml.jackson.databind.util.BeanUtil Java Examples

@Override
public PropertyName findNameForSerialization(MapperConfig<?> config, Annotated a)
{
    // 16-Sep-2016, tatu: Prior to 2.9 logic her more complicated, on assumption
    //    that visibility rules may require return of "" if method/fied visible;
    //    however, that is not required and causes issues so... now simpler:
    if (a instanceof AnnotatedMethod) {
        AnnotatedMethod am = (AnnotatedMethod) a;
        return isVisible(am)
            ? findJaxbPropertyName(am, am.getRawType(), BeanUtil.okNameForGetter(am))
            : null;
    }
    if (a instanceof AnnotatedField) {
        AnnotatedField af = (AnnotatedField) a;
        return isVisible(af)
            ? findJaxbPropertyName(af, af.getRawType(), null)
            : null;
    }
    return null;
}
 

@Override
public PropertyName findNameForDeserialization(MapperConfig<?> config, Annotated a)
{
    // 16-Sep-2016, tatu: Prior to 2.9 logic her more complicated, on assumption
    //    that visibility rules may require return of "" if method/fied visible;
    //    however, that is not required and causes issues so... now simpler:
    if (a instanceof AnnotatedMethod) {
        AnnotatedMethod am = (AnnotatedMethod) a;
        if (!isVisible(am)) {
            return null;
        }
        Class<?> rawType = am.getRawParameterType(0);
        return findJaxbPropertyName(am, rawType, BeanUtil.okNameForMutator(am, "set"));
    }
    if (a instanceof AnnotatedField) {
        AnnotatedField af = (AnnotatedField) a;
        return isVisible(af)
            ? findJaxbPropertyName(af, af.getRawType(), null)
            : null;
    }
    return null;
}
 

protected void _addSetterMethod(Map<String, POJOPropertyBuilder> props,
        AnnotatedMethod m, AnnotationIntrospector ai)
{
    String implName; // from naming convention
    boolean visible;
    PropertyName pn = (ai == null) ? null : ai.findNameForDeserialization(m);
    boolean nameExplicit = (pn != null);
    if (!nameExplicit) { // no explicit name; must follow naming convention
        implName = (ai == null) ? null : ai.findImplicitPropertyName(m);
        if (implName == null) {
            implName = BeanUtil.okNameForMutator(m, _mutatorPrefix, _stdBeanNaming);
        }
        if (implName == null) { // if not, must skip
        	return;
        }
        visible = _visibilityChecker.isSetterVisible(m);
    } else { // explicit indication of inclusion, but may be empty
        // we still need implicit name to link with other pieces
        implName = (ai == null) ? null : ai.findImplicitPropertyName(m);
        if (implName == null) {
            implName = BeanUtil.okNameForMutator(m, _mutatorPrefix, _stdBeanNaming);
        }
        // if not regular getter name, use method name as is
        if (implName == null) {
            implName = m.getName();
        }
        if (pn.isEmpty()) {
            // !!! TODO: use PropertyName for implicit names too
            pn = _propNameFromSimple(implName);
            nameExplicit = false;
        }
        visible = true;
    }
    boolean ignore = (ai == null) ? false : ai.hasIgnoreMarker(m);
    _property(props, implName).addSetter(m, pn, nameExplicit, visible, ignore);
}
 

@Override
public PropertyName findWrapperName(MapperConfig<?> config, Annotated ann)
{
    XmlElementWrapper w = findAnnotation(XmlElementWrapper.class, ann, false, false, false);
    if (w != null) {
        /* 18-Sep-2013, tatu: As per [jaxb-annotations#24], need to take special care with empty
         *   String, as that should indicate here "use underlying unmodified
         *   property name" (that is, one NOT overridden by @JsonProperty)
         */
        PropertyName name =  _combineNames(w.name(), w.namespace(), "");
        // clumsy, yes, but has to do:
        if (!name.hasSimpleName()) {
            if (ann instanceof AnnotatedMethod) {
                AnnotatedMethod am = (AnnotatedMethod) ann;
                String str;
                if (am.getParameterCount() == 0) {
                    str = BeanUtil.okNameForGetter(am);
                } else {
                    str = BeanUtil.okNameForMutator(am, "set");
                }
                if (str != null) {
                    return name.withSimpleName(str);
                }
            }
            return name.withSimpleName(ann.getName());
        }
        return name;
    }
    return null;
}
 

@Override
public String findImplicitPropertyName(AnnotatedMember member) {
    JsonProperty property = member.getAnnotation(JsonProperty.class);
    if (property == null) {
        if (member instanceof AnnotatedMethod) {
            AnnotatedMethod method = (AnnotatedMethod) member;
            String fieldName = BeanUtil.okNameForGetter(method);
            return getJacksonPropertyName(member.getDeclaringClass(), fieldName);
        }
    } else if (!property.value().equals("")) {
        return property.value();
    }

    return null;
}
 

@Override
public JsonSerializer<?> createContextual(SerializerProvider provider,
        BeanProperty property) throws JsonMappingException
{
    TypeSerializer typeSer = _valueTypeSerializer;
    if (typeSer != null) {
        typeSer = typeSer.forProperty(property);
    }
    // First: do we have an annotation override from property?
    JsonSerializer<?> ser = findAnnotatedContentSerializer(provider, property);
    if (ser == null) {
        // If not, use whatever was configured by type
        ser = _valueSerializer;
        if (ser == null) {
            // A few conditions needed to be able to fetch serializer here:
            if (_useStatic(provider, property, _referredType)) {
                ser = _findSerializer(provider, _referredType, property);
            }
        } else {
            ser = provider.handlePrimaryContextualization(ser, property);
        }
    }
    // First, resolve wrt property, resolved serializers
    ReferenceTypeSerializer<?> refSer;
    if ((_property == property)
            && (_valueTypeSerializer == typeSer) && (_valueSerializer == ser)) {
        refSer = this;
    } else {
        refSer = withResolved(property, typeSer, ser, _unwrapper);
    }

    // and then see if we have property-inclusion overrides
    if (property != null) {
        JsonInclude.Value inclV = property.findPropertyInclusion(provider.getConfig(), handledType());
        if (inclV != null) {
            JsonInclude.Include incl = inclV.getContentInclusion();

            if (incl != JsonInclude.Include.USE_DEFAULTS) {
                Object valueToSuppress;
                boolean suppressNulls;
                switch (incl) {
                case NON_DEFAULT:
                    valueToSuppress = BeanUtil.getDefaultValue(_referredType);
                    suppressNulls = true;
                    if (valueToSuppress != null) {
                        if (valueToSuppress.getClass().isArray()) {
                            valueToSuppress = ArrayBuilders.getArrayComparator(valueToSuppress);
                        }
                    }
                    break;
                case NON_ABSENT:
                    suppressNulls = true;
                    valueToSuppress = _referredType.isReferenceType() ? MARKER_FOR_EMPTY : null;
                    break;
                case NON_EMPTY:
                    suppressNulls = true;
                    valueToSuppress = MARKER_FOR_EMPTY;
                    break;
                case CUSTOM:
                    valueToSuppress = provider.includeFilterInstance(null, inclV.getContentFilter());
                    if (valueToSuppress == null) { // is this legal?
                        suppressNulls = true;
                    } else {
                        suppressNulls = provider.includeFilterSuppressNulls(valueToSuppress);
                    }
                    break;
                case NON_NULL:
                    valueToSuppress = null;
                    suppressNulls = true;
                    break;
                case ALWAYS: // default
                default:
                    valueToSuppress = null;
                    suppressNulls = false;
                    break;
                }
                if ((_suppressableValue != valueToSuppress)
                        || (_suppressNulls != suppressNulls)) {
                    refSer = refSer.withContentInclusion(valueToSuppress, suppressNulls);
                }
            }
        }
    }
    return refSer;
}
 

@Override
public JsonSerializer<?> createContextual(SerializerProvider provider,
        BeanProperty property) throws JsonMappingException
{
    JsonSerializer<?> ser = null;
    JsonSerializer<?> keySer = null;
    final AnnotationIntrospector intr = provider.getAnnotationIntrospector();
    final AnnotatedMember propertyAcc = (property == null) ? null : property.getMember();

    // First: if we have a property, may have property-annotation overrides
    if (propertyAcc != null && intr != null) {
        Object serDef = intr.findKeySerializer(propertyAcc);
        if (serDef != null) {
            keySer = provider.serializerInstance(propertyAcc, serDef);
        }
        serDef = intr.findContentSerializer(propertyAcc);
        if (serDef != null) {
            ser = provider.serializerInstance(propertyAcc, serDef);
        }
    }
    if (ser == null) {
        ser = _valueSerializer;
    }
    // [databind#124]: May have a content converter
    ser = findContextualConvertingSerializer(provider, property, ser);
    if (ser == null) {
        // 30-Sep-2012, tatu: One more thing -- if explicit content type is annotated,
        //   we can consider it a static case as well.
        // 20-Aug-2013, tatu: Need to avoid trying to access serializer for java.lang.Object tho
        if (_valueTypeIsStatic && !_valueType.isJavaLangObject()) {
            ser = provider.findValueSerializer(_valueType, property);
        }
    }
    if (keySer == null) {
        keySer = _keySerializer;
    }
    if (keySer == null) {
        keySer = provider.findKeySerializer(_keyType, property);
    } else {
        keySer = provider.handleSecondaryContextualization(keySer, property);
    }

    Object valueToSuppress = _suppressableValue;
    boolean suppressNulls = _suppressNulls;
    if (property != null) {
        JsonInclude.Value inclV = property.findPropertyInclusion(provider.getConfig(), null);
        if (inclV != null) {
            JsonInclude.Include incl = inclV.getContentInclusion();
            if (incl != JsonInclude.Include.USE_DEFAULTS) {
                switch (incl) {
                case NON_DEFAULT:
                    valueToSuppress = BeanUtil.getDefaultValue(_valueType);
                    suppressNulls = true;
                    if (valueToSuppress != null) {
                        if (valueToSuppress.getClass().isArray()) {
                            valueToSuppress = ArrayBuilders.getArrayComparator(valueToSuppress);
                        }
                    }
                    break;
                case NON_ABSENT:
                    suppressNulls = true;
                    valueToSuppress = _valueType.isReferenceType() ? MARKER_FOR_EMPTY : null;
                    break;
                case NON_EMPTY:
                    suppressNulls = true;
                    valueToSuppress = MARKER_FOR_EMPTY;
                    break;
                case CUSTOM:
                    valueToSuppress = provider.includeFilterInstance(null, inclV.getContentFilter());
                    if (valueToSuppress == null) { // is this legal?
                        suppressNulls = true;
                    } else {
                        suppressNulls = provider.includeFilterSuppressNulls(valueToSuppress);
                    }
                    break;
                case NON_NULL:
                    valueToSuppress = null;
                    suppressNulls = true;
                    break;
                case ALWAYS: // default
                default:
                    valueToSuppress = null;
                    // 30-Sep-2016, tatu: Should not need to check global flags here,
                    //   if inclusion forced to be ALWAYS
                    suppressNulls = false;
                    break;
                }
            }
        }
    }
    
    MapEntrySerializer mser = withResolved(property, keySer, ser,
            valueToSuppress, suppressNulls);
    // but note: no (full) filtering or sorting (unlike Maps)
    return mser;
}
 

protected void _addGetterMethod(Map<String, POJOPropertyBuilder> props,
        AnnotatedMethod m, AnnotationIntrospector ai)
{
    // Very first thing: skip if not returning any value
    if (!m.hasReturnType()) {
        return;
    }
    
    // any getter?
    // @JsonAnyGetter?
    if (Boolean.TRUE.equals(ai.hasAnyGetter(m))) {
        if (_anyGetters == null) {
            _anyGetters = new LinkedList<AnnotatedMember>();
        }
        _anyGetters.add(m);
        return;
    }
    // @JsonValue?
    if (Boolean.TRUE.equals(ai.hasAsValue(m))) {
        if (_jsonValueAccessors == null) {
            _jsonValueAccessors = new LinkedList<>();
        }
        _jsonValueAccessors.add(m);
        return;
    }
    String implName; // from naming convention
    boolean visible;

    PropertyName pn = ai.findNameForSerialization(m);
    boolean nameExplicit = (pn != null);

    if (!nameExplicit) { // no explicit name; must consider implicit
        implName = ai.findImplicitPropertyName(m);
        if (implName == null) {
            implName = BeanUtil.okNameForRegularGetter(m, m.getName(), _stdBeanNaming);
        }
        if (implName == null) { // if not, must skip
            implName = BeanUtil.okNameForIsGetter(m, m.getName(), _stdBeanNaming);
            if (implName == null) {
                return;
            }
            visible = _visibilityChecker.isIsGetterVisible(m);
        } else {
            visible = _visibilityChecker.isGetterVisible(m);
        }
    } else { // explicit indication of inclusion, but may be empty
        // we still need implicit name to link with other pieces
        implName = ai.findImplicitPropertyName(m);
        if (implName == null) {
            implName = BeanUtil.okNameForGetter(m, _stdBeanNaming);
        }
        // if not regular getter name, use method name as is
        if (implName == null) {
            implName = m.getName();
        }
        if (pn.isEmpty()) {
            // !!! TODO: use PropertyName for implicit names too
            pn = _propNameFromSimple(implName);
            nameExplicit = false;
        }
        visible = true;
    }
    boolean ignore = ai.hasIgnoreMarker(m);
    _property(props, implName).addGetter(m, pn, nameExplicit, visible, ignore);
}