private static ObjectMapper parseDynamicValue(final ParseContext context, ObjectMapper parentMapper, String currentFieldName, XContentParser.Token token) throws IOException {
ObjectMapper.Dynamic dynamic = parentMapper.dynamic();
if (dynamic == null) {
dynamic = dynamicOrDefault(context.root().dynamic());
}
if (dynamic == ObjectMapper.Dynamic.STRICT) {
throw new StrictDynamicMappingException(parentMapper.fullPath(), currentFieldName);
}
if (dynamic == ObjectMapper.Dynamic.FALSE) {
return null;
}
final Mapper.BuilderContext builderContext = new Mapper.BuilderContext(context.indexSettings(), context.path());
final MappedFieldType existingFieldType = context.mapperService().fullName(context.path().fullPathAsText(currentFieldName));
Mapper.Builder builder = null;
if (existingFieldType != null) {
// create a builder of the same type
builder = createBuilderFromFieldType(context, existingFieldType, currentFieldName);
if (builder != null) {
// best-effort to not introduce a conflict
if (builder instanceof StringFieldMapper.Builder) {
StringFieldMapper.Builder stringBuilder = (StringFieldMapper.Builder) builder;
stringBuilder.fieldDataSettings(existingFieldType.fieldDataType().getSettings());
stringBuilder.store(existingFieldType.stored());
stringBuilder.indexOptions(existingFieldType.indexOptions());
stringBuilder.tokenized(existingFieldType.tokenized());
stringBuilder.omitNorms(existingFieldType.omitNorms());
stringBuilder.docValues(existingFieldType.hasDocValues());
stringBuilder.indexAnalyzer(existingFieldType.indexAnalyzer());
stringBuilder.searchAnalyzer(existingFieldType.searchAnalyzer());
} else if (builder instanceof NumberFieldMapper.Builder) {
NumberFieldMapper.Builder<?,?> numberBuilder = (NumberFieldMapper.Builder<?, ?>) builder;
numberBuilder.fieldDataSettings(existingFieldType.fieldDataType().getSettings());
numberBuilder.store(existingFieldType.stored());
numberBuilder.indexOptions(existingFieldType.indexOptions());
numberBuilder.tokenized(existingFieldType.tokenized());
numberBuilder.omitNorms(existingFieldType.omitNorms());
numberBuilder.docValues(existingFieldType.hasDocValues());
numberBuilder.precisionStep(existingFieldType.numericPrecisionStep());
}
}
}
if (builder == null) {
builder = createBuilderFromDynamicValue(context, token, currentFieldName);
}
Mapper mapper = builder.build(builderContext);
mapper = parseAndMergeUpdate(mapper, context);
ObjectMapper update = null;
if (mapper != null) {
update = parentMapper.mappingUpdate(mapper);
}
return update;
}
