@Override
public Record deserialize(JsonParser jp, DeserializationContext ctxt) throws IOException {
JsonToken t = jp.getCurrentToken();
SimpleDateFormat sdf = new SimpleDateFormat("EEE MMM dd HH:mm:ss Z yyyy");
sdf.setTimeZone(TimeZone.getTimeZone("UTC"));
String id = null;
String type = null;
Date creationDate = null;
JsonToken currentToken = null;
Map<String, Field> fields = new HashMap<>();
boolean processingFields = false;
while ((currentToken = jp.nextValue()) != null) {
switch (currentToken) {
case START_OBJECT:
processingFields = true;
break;
case END_OBJECT:
processingFields = true;
break;
case VALUE_NUMBER_INT:
try {
fields.put(
jp.getCurrentName(),
new Field(jp.getCurrentName(), FieldType.INT, jp.getIntValue()));
} catch (JsonParseException ex) {
fields.put(
jp.getCurrentName(),
new Field(jp.getCurrentName(), FieldType.LONG, jp.getLongValue()));
}
break;
case VALUE_NUMBER_FLOAT:
try {
fields.put(
jp.getCurrentName(),
new Field(jp.getCurrentName(), FieldType.FLOAT, jp.getFloatValue()));
} catch (JsonParseException ex) {
fields.put(
jp.getCurrentName(),
new Field(jp.getCurrentName(), FieldType.DOUBLE, jp.getDoubleValue()));
}
break;
case VALUE_FALSE:
case VALUE_TRUE:
fields.put(
jp.getCurrentName(),
new Field(jp.getCurrentName(), FieldType.BOOLEAN, jp.getBooleanValue()));
break;
case START_ARRAY:
logger.info(jp.getCurrentName());
break;
case END_ARRAY:
break;
case VALUE_STRING:
if (jp.getCurrentName() != null) {
switch (jp.getCurrentName()) {
case "id":
id = jp.getValueAsString();
break;
case "type":
type = jp.getValueAsString();
break;
case "creationDate":
try {
creationDate =
sdf.parse(jp.getValueAsString()); // "Thu Sep 08 12:11:08 CEST 2016\"
} catch (ParseException e) {
e.printStackTrace();
}
break;
default:
fields.put(
jp.getCurrentName(),
new Field(jp.getCurrentName(), FieldType.STRING, jp.getValueAsString()));
break;
}
}
break;
default:
break;
}
}
Record record = new StandardRecord(type);
record.setId(id);
record.setType(type);
record.setTime(creationDate);
record.setFields(fields);
return record;
}
private void parseField(
List<String> fieldNames,
List<ColumnMetaData.Rep> fieldTypes,
Row.RowBuilder rowBuilder,
JsonParser parser)
throws IOException {
final String fieldName = parser.getCurrentName();
// Move to next token, which is name's value
JsonToken token = parser.nextToken();
int i = fieldNames.indexOf(fieldName);
if (i < 0) {
return;
}
ColumnMetaData.Rep type = fieldTypes.get(i);
switch (token) {
case VALUE_NUMBER_INT:
if (type == null) {
type = ColumnMetaData.Rep.INTEGER;
}
// fall through
case VALUE_NUMBER_FLOAT:
if (type == null) {
type = ColumnMetaData.Rep.FLOAT;
}
switch (type) {
case BYTE:
rowBuilder.set(i, parser.getByteValue());
break;
case SHORT:
rowBuilder.set(i, parser.getShortValue());
break;
case INTEGER:
rowBuilder.set(i, parser.getIntValue());
break;
case LONG:
rowBuilder.set(i, parser.getLongValue());
break;
case FLOAT:
rowBuilder.set(i, parser.getFloatValue());
break;
case DOUBLE:
rowBuilder.set(i, parser.getDoubleValue());
break;
}
break;
case VALUE_TRUE:
rowBuilder.set(i, true);
break;
case VALUE_FALSE:
rowBuilder.set(i, false);
break;
case VALUE_NULL:
break;
case VALUE_STRING:
default:
if (type == ColumnMetaData.Rep.JAVA_SQL_TIMESTAMP) {
try {
final Date parse = UTC_TIMESTAMP_FORMAT.parse(parser.getText());
rowBuilder.set(i, parse.getTime());
} catch (ParseException e) {
// ignore bad value
}
} else {
rowBuilder.set(i, parser.getText());
}
break;
}
}
/**
* Method for copying contents of the current event that the given parser instance points to. Note
* that the method <b>will not</b> copy any other events, such as events contained within Json
* Array or Object structures.
*
* <p>Calling this method will not advance the given parser, although it may cause parser to
* internally process more data (if it lazy loads contents of value events, for example)
*/
@Override
public void copyCurrentEvent(JsonParser jp) throws IOException, JsonProcessingException {
switch (jp.getCurrentToken()) {
case START_OBJECT:
writeStartObject();
break;
case END_OBJECT:
writeEndObject();
break;
case START_ARRAY:
writeStartArray();
break;
case END_ARRAY:
writeEndArray();
break;
case FIELD_NAME:
writeFieldName(jp.getCurrentName());
break;
case VALUE_STRING:
writeString(jp.getText());
break;
case VALUE_NUMBER_INT:
switch (jp.getNumberType()) {
case INT:
writeNumber(jp.getIntValue());
break;
case BIG_INTEGER:
writeNumber(jp.getBigIntegerValue());
break;
default:
writeNumber(jp.getLongValue());
}
break;
case VALUE_NUMBER_FLOAT:
switch (jp.getNumberType()) {
case BIG_DECIMAL:
writeNumber(jp.getDecimalValue());
break;
case FLOAT:
writeNumber(jp.getFloatValue());
break;
default:
writeNumber(jp.getDoubleValue());
}
break;
case VALUE_TRUE:
writeBoolean(true);
break;
case VALUE_FALSE:
writeBoolean(false);
break;
case VALUE_NULL:
writeNull();
break;
case VALUE_EMBEDDED_OBJECT:
writeObject(jp.getEmbeddedObject());
break;
default:
throw new IllegalStateException();
}
}
