// Test for [JACKSON-631]
public void testBase64Text() throws Exception {
// let's actually iterate over sets of encoding modes, lengths
final int[] LENS = {1, 2, 3, 4, 7, 9, 32, 33, 34, 35};
final Base64Variant[] VARIANTS = {
Base64Variants.MIME,
Base64Variants.MIME_NO_LINEFEEDS,
Base64Variants.MODIFIED_FOR_URL,
Base64Variants.PEM
};
for (int len : LENS) {
byte[] input = new byte[len];
for (int i = 0; i < input.length; ++i) {
input[i] = (byte) i;
}
for (Base64Variant variant : VARIANTS) {
TextNode n = new TextNode(variant.encode(input));
byte[] data = null;
try {
data = n.getBinaryValue(variant);
} catch (Exception e) {
throw new IOException(
"Failed (variant " + variant + ", data length " + len + "): " + e.getMessage());
}
assertNotNull(data);
assertArrayEquals(data, input);
}
}
}
public void testXmlElementTypeDeser() throws Exception {
ObjectMapper mapper = getJaxbMapper();
SimpleNamed originalModel = new SimpleNamed();
originalModel.setName("Foobar");
String json = mapper.writeValueAsString(originalModel);
SimpleNamed result = null;
try {
result = mapper.readValue(json, SimpleNamed.class);
} catch (Exception ie) {
fail("Failed to deserialize '" + json + "': " + ie.getMessage());
}
if (!"Foobar".equals(result.name)) {
fail("Failed, JSON == '" + json + "')");
}
}
// [JACKSON-888]
public void testStackTraceElement() throws Exception {
StackTraceElement elem = null;
try {
throw new IllegalStateException();
} catch (Exception e) {
elem = e.getStackTrace()[0];
}
String json = MAPPER.writeValueAsString(elem);
StackTraceElement back = MAPPER.readValue(json, StackTraceElement.class);
assertEquals("testStackTraceElement", back.getMethodName());
assertEquals(elem.getLineNumber(), back.getLineNumber());
assertEquals(elem.getClassName(), back.getClassName());
assertEquals(elem.isNativeMethod(), back.isNativeMethod());
assertTrue(back.getClassName().endsWith("TestJdkTypes"));
assertFalse(back.isNativeMethod());
}
/**
* The method to be called by {@link ObjectMapper} and {@link ObjectWriter} for serializing given
* value, using serializers that this provider has access to (via caching and/or creating new
* serializers as need be).
*/
public void serializeValue(JsonGenerator jgen, Object value)
throws IOException, JsonGenerationException {
JsonSerializer<Object> ser;
final boolean wrap;
if (value == null) { // no type provided; must just use the default null serializer
ser = getDefaultNullValueSerializer();
wrap = false; // no name to use for wrapping; can't do!
} else {
Class<?> cls = value.getClass();
// true, since we do want to cache root-level typed serializers (ditto for null property)
ser = findTypedValueSerializer(cls, true, null);
// Ok: should we wrap result in an additional property ("root name")?
String rootName = _config.getRootName();
if (rootName == null) { // not explicitly specified
// [JACKSON-163]
wrap = _config.isEnabled(SerializationFeature.WRAP_ROOT_VALUE);
if (wrap) {
jgen.writeStartObject();
jgen.writeFieldName(_rootNames.findRootName(value.getClass(), _config));
}
} else if (rootName.length() == 0) {
wrap = false;
} else { // [JACKSON-764]
// empty String means explicitly disabled; non-empty that it is enabled
wrap = true;
jgen.writeStartObject();
jgen.writeFieldName(rootName);
}
}
try {
ser.serialize(value, jgen, this);
if (wrap) {
jgen.writeEndObject();
}
} catch (IOException ioe) { // As per [JACKSON-99], pass IOException and subtypes as-is
throw ioe;
} catch (Exception e) { // but wrap RuntimeExceptions, to get path information
String msg = e.getMessage();
if (msg == null) {
msg = "[no message for " + e.getClass().getName() + "]";
}
throw new JsonMappingException(msg, e);
}
}
// Generates the list of stops from the included stops file
// AG
public static void generateStops() {
try {
JsonFactory f = new JsonFactory();
JsonParser jp = f.createJsonParser(new File("stopsAdjacent.json"));
// advance stream to START_ARRAY first:
jp.nextToken();
// and then each time, advance to opening START_OBJECT
while (jp.nextToken() == JsonToken.START_OBJECT) {
Stop stop = mapper.readValue(jp, Stop.class);
stops.add(stop);
// after binding, stream points to closing END_OBJECT
}
} catch (Exception e) {
e.printStackTrace();
}
graph = new TrainGraph(stops);
}
/**
* The method to be called by {@link ObjectWriter} for serializing given value (assumed to be of
* specified root type, instead of runtime type of value), when it may know specific {@link
* JsonSerializer} to use.
*
* @param rootType Type to use for locating serializer to use, instead of actual runtime type, if
* no serializer is passed
* @param ser Root Serializer to use, if not null
* @since 2.1
*/
public void serializeValue(
JsonGenerator jgen, Object value, JavaType rootType, JsonSerializer<Object> ser)
throws IOException, JsonGenerationException {
final boolean wrap;
if (value == null) {
ser = getDefaultNullValueSerializer();
wrap = false;
} else {
// Let's ensure types are compatible at this point
if (rootType != null) {
if (!rootType.getRawClass().isAssignableFrom(value.getClass())) {
_reportIncompatibleRootType(value, rootType);
}
}
// root value, not reached via property:
if (ser == null) {
ser = findTypedValueSerializer(rootType, true, null);
}
wrap = _config.isEnabled(SerializationFeature.WRAP_ROOT_VALUE);
if (wrap) {
jgen.writeStartObject();
jgen.writeFieldName(_rootNames.findRootName(rootType, _config));
}
}
try {
ser.serialize(value, jgen, this);
if (wrap) {
jgen.writeEndObject();
}
} catch (IOException ioe) { // no wrapping for IO (and derived)
throw ioe;
} catch (Exception e) { // but others do need to be, to get path etc
String msg = e.getMessage();
if (msg == null) {
msg = "[no message for " + e.getClass().getName() + "]";
}
throw new JsonMappingException(msg, e);
}
}
/**
* Method that takes in exception of any type, and casts or wraps it to an IOException or its
* subclass.
*/
protected void _throwAsIOE(Exception e, Object value) throws IOException {
if (e instanceof IllegalArgumentException) {
String actType = (value == null) ? "[NULL]" : value.getClass().getName();
StringBuilder msg = new StringBuilder("Problem deserializing property '").append(getName());
msg.append("' (expected type: ").append(getType());
msg.append("; actual type: ").append(actType).append(")");
String origMsg = e.getMessage();
if (origMsg != null) {
msg.append(", problem: ").append(origMsg);
} else {
msg.append(" (no error message provided)");
}
throw new JsonMappingException(msg.toString(), null, e);
}
_throwAsIOE(e);
}
