@Override
public void serialize(
LeafDataNode leafDataNode, JsonGenerator generator, SerializerProvider provider)
throws IOException, JsonProcessingException {
try {
switch (leafDataNode.getLeafType()) {
case BIG_DECIMAL:
generator.writeNumber(leafDataNode.getBigDecimal(null));
break;
case BIG_INTEGER:
generator.writeNumber(leafDataNode.getBigInteger(null));
break;
case BINARY:
generator.writeBinary(leafDataNode.getBytes(null));
break;
case BOOLEAN:
generator.writeBoolean(leafDataNode.getBoolean(false));
break;
case DOUBLE:
generator.writeNumber(leafDataNode.getDouble(0.0));
break;
case LONG:
generator.writeNumber(leafDataNode.getLong(0));
break;
case STRING:
generator.writeString(leafDataNode.getString(null));
break;
default:
assert false;
break;
}
} catch (BigDBException e) {
assert false;
}
}
private void writeIterableToBooleanArray(Iterable<?> elements, JsonGenerator jg)
throws IOException {
@SuppressWarnings("unchecked")
Iterator<Boolean> it = (Iterator<Boolean>) elements.iterator();
while (it.hasNext()) {
jg.writeBoolean(it.next());
}
}
@Override
public void serialize(String value, JsonGenerator jgen, SerializerProvider provider)
throws IOException, JsonProcessingException {
if ("true".equals(value) || "false".equals(value)) { // 判断如果是true或false的boolean值采用boolean
jgen.writeBoolean(Boolean.parseBoolean(value));
} else { // 否则用字符串
jgen.writeString(value != null ? value : "");
}
}
@Override
public void serialize(
final PrimitiveNode value, final JsonGenerator gen, final SerializerProvider serializers)
throws IOException, JsonProcessingException {
if (value.value instanceof Number) {
gen.writeNumber(value.asText());
} else if (value.value instanceof Boolean) {
gen.writeBoolean((boolean) value.value);
} else {
gen.writeString(value.asText());
}
}
private void writeScalarValue(JsonGenerator jgen, Object possibleValue, Class<?> valueType)
throws IOException {
if (Number.class.isAssignableFrom(valueType)) {
jgen.writeNumber(possibleValue.toString());
} else if (Boolean.class.isAssignableFrom(valueType)) {
jgen.writeBoolean((Boolean) possibleValue);
} else if (Enum.class.isAssignableFrom(valueType)) {
jgen.writeString(((Enum) possibleValue).name());
} else {
jgen.writeString(possibleValue.toString());
}
}
public void testSimpleArrayWrite() throws Exception {
StringWriter sw = new StringWriter();
JsonGenerator gen = new JsonFactory().createGenerator(sw);
gen.writeStartArray();
gen.writeNumber(13);
gen.writeBoolean(true);
gen.writeString("foobar");
gen.writeEndArray();
gen.close();
String docStr = sw.toString();
JsonParser jp = createParserUsingReader(docStr);
assertEquals(JsonToken.START_ARRAY, jp.nextToken());
assertEquals(JsonToken.VALUE_NUMBER_INT, jp.nextToken());
assertEquals(13, jp.getIntValue());
assertEquals(JsonToken.VALUE_TRUE, jp.nextToken());
assertEquals(JsonToken.VALUE_STRING, jp.nextToken());
assertEquals("foobar", jp.getText());
assertEquals(JsonToken.END_ARRAY, jp.nextToken());
assertEquals(null, jp.nextToken());
jp.close();
}
@Override
public void serialize(
final Attribute source, final JsonGenerator jgen, final SerializerProvider sp)
throws IOException {
jgen.writeStartObject();
jgen.writeStringField("name", source.getName());
jgen.writeFieldName("value");
if (source.getValue() == null) {
jgen.writeNull();
} else {
jgen.writeStartArray();
for (Object value : source.getValue()) {
if (value == null) {
jgen.writeNull();
} else if (value instanceof GuardedString) {
jgen.writeObject(value);
} else if (value instanceof Integer) {
jgen.writeNumber((Integer) value);
} else if (value instanceof Long) {
jgen.writeNumber((Long) value);
} else if (value instanceof Double) {
jgen.writeNumber((Double) value);
} else if (value instanceof Boolean) {
jgen.writeBoolean((Boolean) value);
} else if (value instanceof byte[]) {
jgen.writeString(BYTE_ARRAY_PREFIX + Base64.encode((byte[]) value) + BYTE_ARRAY_SUFFIX);
} else {
jgen.writeString(value.toString());
}
}
jgen.writeEndArray();
}
jgen.writeEndObject();
}
@Override
public void writeFieldValue(JsonGenerator jsonGenerator, Object value) throws IOException {
validateFieldValueType(value, Boolean.class);
jsonGenerator.writeBoolean((Boolean) value);
}
/**
* Marshal.
*
* @param generator the generator
* @param value the value
* @throws IOException Signals that an I/O exception has occurred.
*/
public static void marshal(JsonGenerator generator, boolean value) throws IOException {
generator.writeBoolean(value);
}