public FieldSerializer(Class<?> beanType, FieldInfo fieldInfo) { this.fieldInfo = fieldInfo; this.fieldContext = new BeanContext(beanType, fieldInfo); fieldInfo.setAccessible(); this.double_quoted_fieldPrefix = '"' + fieldInfo.name + "\":"; boolean writeNull = false; JSONField annotation = fieldInfo.getAnnotation(); if (annotation != null) { for (SerializerFeature feature : annotation.serialzeFeatures()) { if ((feature.getMask() & SerializerFeature.WRITE_MAP_NULL_FEATURES) != 0) { writeNull = true; break; } } format = annotation.format(); if (format.trim().length() == 0) { format = null; } for (SerializerFeature feature : annotation.serialzeFeatures()) { if (feature == SerializerFeature.WriteEnumUsingToString) { writeEnumUsingToString = true; } else if (feature == SerializerFeature.WriteEnumUsingName) { writeEnumUsingName = true; } } features = SerializerFeature.of(annotation.serialzeFeatures()); } this.writeNull = writeNull; }
public void writeValue(JSONSerializer serializer, Object propertyValue) throws Exception { if (runtimeInfo == null) { Class<?> runtimeFieldClass; if (propertyValue == null) { runtimeFieldClass = this.fieldInfo.fieldClass; } else { runtimeFieldClass = propertyValue.getClass(); } ObjectSerializer fieldSerializer; JSONField fieldAnnotation = fieldInfo.getAnnotation(); if (fieldAnnotation != null && fieldAnnotation.serializeUsing() != Void.class) { fieldSerializer = (ObjectSerializer) fieldAnnotation.serializeUsing().newInstance(); } else { fieldSerializer = serializer.getObjectWriter(runtimeFieldClass); } runtimeInfo = new RuntimeSerializerInfo(fieldSerializer, runtimeFieldClass); } final RuntimeSerializerInfo runtimeInfo = this.runtimeInfo; final int fieldFeatures = fieldInfo.serialzeFeatures; if (propertyValue == null) { Class<?> runtimeFieldClass = runtimeInfo.runtimeFieldClass; SerializeWriter out = serializer.out; if (Number.class.isAssignableFrom(runtimeFieldClass)) { out.writeNull(features, SerializerFeature.WriteNullNumberAsZero.mask); return; } else if (String.class == runtimeFieldClass) { out.writeNull(features, SerializerFeature.WriteNullStringAsEmpty.mask); return; } else if (Boolean.class == runtimeFieldClass) { out.writeNull(features, SerializerFeature.WriteNullBooleanAsFalse.mask); return; } else if (Collection.class.isAssignableFrom(runtimeFieldClass)) { out.writeNull(features, SerializerFeature.WriteNullListAsEmpty.mask); return; } ObjectSerializer fieldSerializer = runtimeInfo.fieldSerializer; if ((out.isEnabled(SerializerFeature.WRITE_MAP_NULL_FEATURES)) && fieldSerializer instanceof JavaBeanSerializer) { out.writeNull(); return; } fieldSerializer.write(serializer, null, fieldInfo.name, fieldInfo.fieldType, fieldFeatures); return; } if (fieldInfo.isEnum) { if (writeEnumUsingName) { serializer.out.writeString(((Enum<?>) propertyValue).name()); return; } if (writeEnumUsingToString) { serializer.out.writeString(((Enum<?>) propertyValue).toString()); return; } } Class<?> valueClass = propertyValue.getClass(); ObjectSerializer valueSerializer; if (valueClass == runtimeInfo.runtimeFieldClass) { valueSerializer = runtimeInfo.fieldSerializer; } else { valueSerializer = serializer.getObjectWriter(valueClass); } if (format != null) { if (valueSerializer instanceof ContextObjectSerializer) { ((ContextObjectSerializer) valueSerializer) .write(serializer, propertyValue, this.fieldContext); } else { serializer.writeWithFormat(propertyValue, format); } } else { valueSerializer.write( serializer, propertyValue, fieldInfo.name, fieldInfo.fieldType, fieldFeatures); } }