private TwitterEntry read(JsonParser jp) throws IOException {
// First: verify that we got "Json Object":
if (jp.nextToken() != JsonToken.START_OBJECT) {
throw new IOException("Expected data to start with an Object");
}
TwitterEntry result = new TwitterEntry();
// Iterate over object fields:
while (jp.nextToken() != JsonToken.END_OBJECT) {
String fieldName = jp.getCurrentName();
// Let's move to value
jp.nextToken();
if (fieldName.equals("id")) {
result.setId(jp.getLongValue());
} else if (fieldName.equals("text")) {
result.setText(jp.getText());
} else if (fieldName.equals("fromUserId")) {
result.setFromUserId(jp.getIntValue());
} else if (fieldName.equals("toUserId")) {
result.setToUserId(jp.getIntValue());
} else if (fieldName.equals("languageCode")) {
result.setLanguageCode(jp.getText());
} else {
// ignore, or signal error
throw new IOException("Unrecognized field '" + fieldName + "'");
}
}
jp.close(); // important to close both parser and underlying File reader
return result;
}
public final 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:
if (jp.hasTextCharacters()) {
writeString(jp.getTextCharacters(), jp.getTextOffset(), jp.getTextLength());
} else {
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:
_cantHappen();
}
}
