/**
* @param value May be null.
* @param knownType May be null if the type is unknown.
* @param elementType May be null if the type is unknown.
*/
public void writeValue(Object value, Class knownType, Class elementType) {
try {
if (value == null) {
writer.value(null);
return;
}
Class actualType = value.getClass();
if (actualType.isPrimitive()
|| actualType == String.class
|| actualType == Integer.class
|| actualType == Boolean.class
|| actualType == Float.class
|| actualType == Long.class
|| actualType == Double.class
|| actualType == Short.class
|| actualType == Byte.class
|| actualType == Character.class) {
writer.value(value);
return;
}
if (value instanceof Serializable) {
writeObjectStart(actualType, knownType);
((Serializable) value).write(this);
writeObjectEnd();
return;
}
Serializer serializer = classToSerializer.get(actualType);
if (serializer != null) {
serializer.write(this, value, knownType);
return;
}
if (value instanceof Array) {
if (knownType != null && actualType != knownType)
throw new SerializationException(
"Serialization of an Array other than the known type is not supported.\n"
+ "Known type: "
+ knownType
+ "\nActual type: "
+ actualType);
writeArrayStart();
Array array = (Array) value;
for (int i = 0, n = array.size; i < n; i++) writeValue(array.get(i), elementType, null);
writeArrayEnd();
return;
}
if (value instanceof Collection) {
if (knownType != null && actualType != knownType && actualType != ArrayList.class)
throw new SerializationException(
"Serialization of a Collection other than the known type is not supported.\n"
+ "Known type: "
+ knownType
+ "\nActual type: "
+ actualType);
writeArrayStart();
for (Object item : (Collection) value) writeValue(item, elementType, null);
writeArrayEnd();
return;
}
if (actualType.isArray()) {
if (elementType == null) elementType = actualType.getComponentType();
int length = java.lang.reflect.Array.getLength(value);
writeArrayStart();
for (int i = 0; i < length; i++)
writeValue(java.lang.reflect.Array.get(value, i), elementType, null);
writeArrayEnd();
return;
}
if (value instanceof OrderedMap) {
if (knownType == null) knownType = OrderedMap.class;
writeObjectStart(actualType, knownType);
OrderedMap map = (OrderedMap) value;
for (Object key : map.orderedKeys()) {
writer.name(convertToString(key));
writeValue(map.get(key), elementType, null);
}
writeObjectEnd();
return;
}
if (value instanceof ArrayMap) {
if (knownType == null) knownType = ArrayMap.class;
writeObjectStart(actualType, knownType);
ArrayMap map = (ArrayMap) value;
for (int i = 0, n = map.size; i < n; i++) {
writer.name(convertToString(map.keys[i]));
writeValue(map.values[i], elementType, null);
}
writeObjectEnd();
return;
}
if (value instanceof ObjectMap) {
if (knownType == null) knownType = OrderedMap.class;
writeObjectStart(actualType, knownType);
for (Entry entry : ((ObjectMap<?, ?>) value).entries()) {
writer.name(convertToString(entry.key));
writeValue(entry.value, elementType, null);
}
writeObjectEnd();
return;
}
if (value instanceof Map) {
if (knownType == null) knownType = OrderedMap.class;
writeObjectStart(actualType, knownType);
for (Map.Entry entry : ((Map<?, ?>) value).entrySet()) {
writer.name(convertToString(entry.getKey()));
writeValue(entry.getValue(), elementType, null);
}
writeObjectEnd();
return;
}
if (actualType.isEnum()) {
writer.value(value);
return;
}
writeObjectStart(actualType, knownType);
writeFields(value);
writeObjectEnd();
} catch (IOException ex) {
throw new SerializationException(ex);
}
}
/**
* @param type May be null if the type is unknown.
* @param elementType May be null if the type is unknown.
* @return May be null.
*/
public <T> T readValue(Class<T> type, Class elementType, Object jsonData) {
if (jsonData == null) return null;
if (jsonData instanceof OrderedMap) {
OrderedMap<String, Object> jsonMap = (OrderedMap) jsonData;
String className = typeName == null ? null : (String) jsonMap.remove(typeName);
if (className != null) {
try {
type = (Class<T>) Class.forName(className);
} catch (ClassNotFoundException ex) {
type = tagToClass.get(className);
if (type == null) throw new SerializationException(ex);
}
}
Object object;
if (type != null) {
Serializer serializer = classToSerializer.get(type);
if (serializer != null) return (T) serializer.read(this, jsonMap, type);
object = newInstance(type);
if (object instanceof Serializable) {
((Serializable) object).read(this, jsonMap);
return (T) object;
}
if (object instanceof HashMap) {
HashMap result = (HashMap) object;
for (Entry entry : jsonMap.entries())
result.put(entry.key, readValue(elementType, null, entry.value));
return (T) result;
}
} else object = new OrderedMap();
if (object instanceof ObjectMap) {
ObjectMap result = (ObjectMap) object;
for (String key : jsonMap.orderedKeys())
result.put(key, readValue(elementType, null, jsonMap.get(key)));
return (T) result;
}
readFields(object, jsonMap);
return (T) object;
}
if (type != null) {
Serializer serializer = classToSerializer.get(type);
if (serializer != null) return (T) serializer.read(this, jsonData, type);
}
if (jsonData instanceof Array) {
Array array = (Array) jsonData;
if (type == null || Array.class.isAssignableFrom(type)) {
Array newArray = type == null ? new Array() : (Array) newInstance(type);
newArray.ensureCapacity(array.size);
for (int i = 0, n = array.size; i < n; i++)
newArray.add(readValue(elementType, null, array.get(i)));
return (T) newArray;
}
if (ArrayList.class.isAssignableFrom(type)) {
ArrayList newArray = type == null ? new ArrayList() : (ArrayList) newInstance(type);
newArray.ensureCapacity(array.size);
for (int i = 0, n = array.size; i < n; i++)
newArray.add(readValue(elementType, null, array.get(i)));
return (T) newArray;
}
if (type.isArray()) {
Class componentType = type.getComponentType();
if (elementType == null) elementType = componentType;
Object newArray = java.lang.reflect.Array.newInstance(componentType, array.size);
for (int i = 0, n = array.size; i < n; i++)
java.lang.reflect.Array.set(newArray, i, readValue(elementType, null, array.get(i)));
return (T) newArray;
}
throw new SerializationException(
"Unable to convert value to required type: " + jsonData + " (" + type.getName() + ")");
}
if (jsonData instanceof Float) {
Float floatValue = (Float) jsonData;
try {
if (type == null || type == float.class || type == Float.class)
return (T) (Float) floatValue;
if (type == int.class || type == Integer.class) return (T) (Integer) floatValue.intValue();
if (type == long.class || type == Long.class) return (T) (Long) floatValue.longValue();
if (type == double.class || type == Double.class)
return (T) (Double) floatValue.doubleValue();
if (type == short.class || type == Short.class) return (T) (Short) floatValue.shortValue();
if (type == byte.class || type == Byte.class) return (T) (Byte) floatValue.byteValue();
} catch (NumberFormatException ignored) {
}
jsonData = String.valueOf(jsonData);
}
if (jsonData instanceof Boolean) jsonData = String.valueOf(jsonData);
if (jsonData instanceof String) {
String string = (String) jsonData;
if (type == null || type == String.class) return (T) jsonData;
try {
if (type == int.class || type == Integer.class) return (T) Integer.valueOf(string);
if (type == float.class || type == Float.class) return (T) Float.valueOf(string);
if (type == long.class || type == Long.class) return (T) Long.valueOf(string);
if (type == double.class || type == Double.class) return (T) Double.valueOf(string);
if (type == short.class || type == Short.class) return (T) Short.valueOf(string);
if (type == byte.class || type == Byte.class) return (T) Byte.valueOf(string);
} catch (NumberFormatException ignored) {
}
if (type == boolean.class || type == Boolean.class) return (T) Boolean.valueOf(string);
if (type == char.class || type == Character.class) return (T) (Character) string.charAt(0);
if (type.isEnum()) {
Object[] constants = type.getEnumConstants();
for (int i = 0, n = constants.length; i < n; i++)
if (string.equals(constants[i].toString())) return (T) constants[i];
}
if (type == CharSequence.class) return (T) string;
throw new SerializationException(
"Unable to convert value to required type: " + jsonData + " (" + type.getName() + ")");
}
return null;
}
private void prettyPrint(Object object, StringBuilder buffer, int indent, int singleLineColumns) {
if (object instanceof OrderedMap) {
OrderedMap<String, ?> map = (OrderedMap) object;
if (map.size == 0) {
buffer.append("{}");
} else {
boolean newLines = !isFlat(map);
int start = buffer.length();
outer:
while (true) {
buffer.append(newLines ? "{\n" : "{ ");
int i = 0;
for (String key : map.orderedKeys()) {
if (newLines) indent(indent, buffer);
buffer.append(outputType.quoteName(key));
buffer.append(": ");
prettyPrint(map.get(key), buffer, indent + 1, singleLineColumns);
if (i++ < map.size - 1) buffer.append(",");
buffer.append(newLines ? '\n' : ' ');
if (!newLines && buffer.length() - start > singleLineColumns) {
buffer.setLength(start);
newLines = true;
continue outer;
}
}
break;
}
if (newLines) indent(indent - 1, buffer);
buffer.append('}');
}
} else if (object instanceof Array) {
Array array = (Array) object;
if (array.size == 0) {
buffer.append("[]");
} else {
boolean newLines = !isFlat(array);
int start = buffer.length();
outer:
while (true) {
buffer.append(newLines ? "[\n" : "[ ");
for (int i = 0, n = array.size; i < n; i++) {
if (newLines) indent(indent, buffer);
prettyPrint(array.get(i), buffer, indent + 1, singleLineColumns);
if (i < array.size - 1) buffer.append(",");
buffer.append(newLines ? '\n' : ' ');
if (!newLines && buffer.length() - start > singleLineColumns) {
buffer.setLength(start);
newLines = true;
continue outer;
}
}
break;
}
if (newLines) indent(indent - 1, buffer);
buffer.append(']');
}
} else if (object instanceof String) {
buffer.append(outputType.quoteValue((String) object));
} else if (object instanceof Float) {
Float floatValue = (Float) object;
int intValue = floatValue.intValue();
buffer.append(floatValue - intValue == 0 ? intValue : object);
} else if (object instanceof Boolean) {
buffer.append(object);
} else if (object == null) {
buffer.append("null");
} else throw new SerializationException("Unknown object type: " + object.getClass());
}
