private static Mapper.Builder<?, ?> createBuilderFromFieldType(
final ParseContext context, MappedFieldType fieldType, String currentFieldName) {
Mapper.Builder builder = null;
if (fieldType instanceof StringFieldType) {
builder = context.root().findTemplateBuilder(context, currentFieldName, "string");
if (builder == null) {
builder = MapperBuilders.stringField(currentFieldName);
}
} else if (fieldType instanceof DateFieldType) {
builder = context.root().findTemplateBuilder(context, currentFieldName, "date");
if (builder == null) {
builder = MapperBuilders.dateField(currentFieldName);
}
} else if (fieldType.numericType() != null) {
switch (fieldType.numericType()) {
case LONG:
builder = context.root().findTemplateBuilder(context, currentFieldName, "long");
if (builder == null) {
builder = MapperBuilders.longField(currentFieldName);
}
break;
case DOUBLE:
builder = context.root().findTemplateBuilder(context, currentFieldName, "double");
if (builder == null) {
builder = MapperBuilders.doubleField(currentFieldName);
}
break;
case INT:
builder = context.root().findTemplateBuilder(context, currentFieldName, "integer");
if (builder == null) {
builder = MapperBuilders.integerField(currentFieldName);
}
break;
case FLOAT:
builder = context.root().findTemplateBuilder(context, currentFieldName, "float");
if (builder == null) {
builder = MapperBuilders.floatField(currentFieldName);
}
break;
default:
throw new AssertionError("Unexpected numeric type " + fieldType.numericType());
}
}
return builder;
}
private static Mapper.Builder<?, ?> createBuilderFromDynamicValue(
final ParseContext context, XContentParser.Token token, String currentFieldName)
throws IOException {
if (token == XContentParser.Token.VALUE_STRING) {
// do a quick test to see if its fits a dynamic template, if so, use it.
// we need to do it here so we can handle things like attachment templates, where calling
// text (to see if its a date) causes the binary value to be cleared
{
Mapper.Builder builder =
context.root().findTemplateBuilder(context, currentFieldName, "string", null);
if (builder != null) {
return builder;
}
}
if (context.root().dateDetection()) {
String text = context.parser().text();
// a safe check since "1" gets parsed as well
if (Strings.countOccurrencesOf(text, ":") > 1
|| Strings.countOccurrencesOf(text, "-") > 1
|| Strings.countOccurrencesOf(text, "/") > 1) {
for (FormatDateTimeFormatter dateTimeFormatter :
context.root().dynamicDateTimeFormatters()) {
try {
dateTimeFormatter.parser().parseMillis(text);
Mapper.Builder builder =
context.root().findTemplateBuilder(context, currentFieldName, "date");
if (builder == null) {
builder =
MapperBuilders.dateField(currentFieldName).dateTimeFormatter(dateTimeFormatter);
}
return builder;
} catch (Exception e) {
// failure to parse this, continue
}
}
}
}
if (context.root().numericDetection()) {
String text = context.parser().text();
try {
Long.parseLong(text);
Mapper.Builder builder =
context.root().findTemplateBuilder(context, currentFieldName, "long");
if (builder == null) {
builder = MapperBuilders.longField(currentFieldName);
}
return builder;
} catch (NumberFormatException e) {
// not a long number
}
try {
Double.parseDouble(text);
Mapper.Builder builder =
context.root().findTemplateBuilder(context, currentFieldName, "double");
if (builder == null) {
builder = MapperBuilders.doubleField(currentFieldName);
}
return builder;
} catch (NumberFormatException e) {
// not a long number
}
}
Mapper.Builder builder =
context.root().findTemplateBuilder(context, currentFieldName, "string");
if (builder == null) {
builder = MapperBuilders.stringField(currentFieldName);
}
return builder;
} else if (token == XContentParser.Token.VALUE_NUMBER) {
XContentParser.NumberType numberType = context.parser().numberType();
if (numberType == XContentParser.NumberType.INT
|| numberType == XContentParser.NumberType.LONG) {
Mapper.Builder builder =
context.root().findTemplateBuilder(context, currentFieldName, "long");
if (builder == null) {
builder = MapperBuilders.longField(currentFieldName);
}
return builder;
} else if (numberType == XContentParser.NumberType.FLOAT
|| numberType == XContentParser.NumberType.DOUBLE) {
Mapper.Builder builder =
context.root().findTemplateBuilder(context, currentFieldName, "double");
if (builder == null) {
// no templates are defined, we use float by default instead of double
// since this is much more space-efficient and should be enough most of
// the time
builder = MapperBuilders.floatField(currentFieldName);
}
return builder;
}
} else if (token == XContentParser.Token.VALUE_BOOLEAN) {
Mapper.Builder builder =
context.root().findTemplateBuilder(context, currentFieldName, "boolean");
if (builder == null) {
builder = MapperBuilders.booleanField(currentFieldName);
}
return builder;
} else if (token == XContentParser.Token.VALUE_EMBEDDED_OBJECT) {
Mapper.Builder builder =
context.root().findTemplateBuilder(context, currentFieldName, "binary");
if (builder == null) {
builder = MapperBuilders.binaryField(currentFieldName);
}
return builder;
} else {
Mapper.Builder builder = context.root().findTemplateBuilder(context, currentFieldName, null);
if (builder != null) {
return builder;
}
}
// TODO how do we identify dynamically that its a binary value?
throw new IllegalStateException(
"Can't handle serializing a dynamic type with content token ["
+ token
+ "] and field name ["
+ currentFieldName
+ "]");
}
