/**
* Creates recordset page from Input object
*
* @param input Input object to use as source for data that has to be deserialized
*/
@SuppressWarnings({"unchecked", "rawtypes"})
public RecordSetPage(Input input) {
Deserializer deserizalizer = new Deserializer();
Map mapResult = deserizalizer.deserialize(input, Map.class);
cursor = (Integer) mapResult.get("Cursor");
data = (List<List<Object>>) mapResult.get("Page");
}
// TODO need to fix
public MetaData<?, ?> readMetaData(IoBuffer buffer) {
MetaData<?, ?> retMeta = new MetaData<String, Object>();
Input input = new Input(buffer);
String metaType = Deserializer.deserialize(input, String.class);
log.debug("Metadata type: {}", metaType);
Map<String, ?> m = Deserializer.deserialize(input, Map.class);
retMeta.putAll(m);
return retMeta;
}
/**
* Read remoting headers.
*
* @param in Input data as byte buffer
* @return header map
*/
@SuppressWarnings("unchecked")
protected Map<String, Object> readHeaders(IoBuffer in) {
int version = in.getUnsignedShort(); // skip the version
int count = in.getUnsignedShort();
log.debug("Read headers - version: {} count: {}", version, count);
if (count == 0) {
// No headers present
return Collections.EMPTY_MAP;
}
Input input;
if (version == 3) {
input = new org.red5.io.amf3.Input(in);
} else {
input = new org.red5.io.amf.Input(in);
}
Map<String, Object> result = new HashMap<String, Object>();
for (int i = 0; i < count; i++) {
String name = input.getString();
boolean required = in.get() == 0x01;
int size = in.getInt();
Object value = Deserializer.deserialize(input, Object.class);
log.debug(
"Header: {} Required: {} Size: {} Value: {}", new Object[] {name, required, size, value});
result.put(name, value);
}
return result;
}
/**
* Decode calls.
*
* @param in Input data as byte buffer
* @return List of pending calls
*/
protected List<RemotingCall> decodeCalls(IoBuffer in) {
log.debug("Decode calls");
// in.getInt();
List<RemotingCall> calls = new LinkedList<RemotingCall>();
org.red5.io.amf.Input input;
int count = in.getUnsignedShort();
log.debug("Calls: {}", count);
int limit = in.limit();
// Loop over all the body elements
for (int i = 0; i < count; i++) {
in.limit(limit);
String serviceString = org.red5.io.amf.Input.getString(in);
String clientCallback = org.red5.io.amf.Input.getString(in);
log.debug("callback: {}", clientCallback);
Object[] args = null;
boolean isAMF3 = false;
@SuppressWarnings("unused")
int length = in.getInt();
// Set the limit and deserialize
// NOTE: disabled because the FP sends wrong values here
/*
* if (length != -1) in.limit(in.position()+length);
*/
byte type = in.get();
if (type == AMF.TYPE_ARRAY) {
int elements = in.getInt();
List<Object> values = new ArrayList<Object>();
RefStorage refStorage = null;
for (int j = 0; j < elements; j++) {
byte amf3Check = in.get();
in.position(in.position() - 1);
isAMF3 = (amf3Check == AMF.TYPE_AMF3_OBJECT);
if (isAMF3) {
if (refStorage == null) {
input = new org.red5.io.amf3.Input(in);
} else {
input = new org.red5.io.amf3.Input(in, refStorage);
}
} else {
input = new org.red5.io.amf.Input(in);
}
// prepare remoting mode
input.reset();
// add deserialized object to the value list
values.add(Deserializer.deserialize(input, Object.class));
if (isAMF3) {
refStorage = ((org.red5.io.amf3.Input) input).getRefStorage();
}
}
args = values.toArray(new Object[values.size()]);
if (log.isDebugEnabled()) {
for (Object element : args) {
log.debug("> " + element);
}
}
} else if (type == AMF.TYPE_NULL) {
log.debug("Got null amf type");
} else if (type != AMF.TYPE_ARRAY) {
throw new RuntimeException("AMF0 array type expected but found " + type);
}
String serviceName;
String serviceMethod;
int dotPos = serviceString.lastIndexOf('.');
if (dotPos != -1) {
serviceName = serviceString.substring(0, dotPos);
serviceMethod = serviceString.substring(dotPos + 1, serviceString.length());
} else {
serviceName = "";
serviceMethod = serviceString;
}
boolean isMessaging = false;
if ("".equals(serviceName) && "null".equals(serviceMethod)) {
// Use fixed service and method name for Flex messaging requests,
// this probably will change in the future.
serviceName = FlexMessagingService.SERVICE_NAME;
serviceMethod = "handleRequest";
isMessaging = true;
}
log.debug("Service: {} Method: {}", serviceName, serviceMethod);
// Add the call to the list
calls.add(
new RemotingCall(serviceName, serviceMethod, args, clientCallback, isAMF3, isMessaging));
}
return calls;
}
@SuppressWarnings({"unchecked", "rawtypes", "serial"})
public Object readObject(Deserializer deserializer, Type target) {
int type = readAMF3Integer();
log.debug("Type: {} and {} ref {}", new Object[] {type, (type & 1), (type >> 1)});
if ((type & 1) == 0) {
// Reference
Object ref = getReference(type >> 1);
if (ref != null) {
return ref;
}
byte b = buf.get();
if (b == 7) {
log.debug("BEL: {}", b); // 7
} else {
log.debug("Non-BEL byte: {}", b);
log.debug("Extra byte: {}", buf.get());
}
}
type >>= 1;
List<String> attributes = null;
String className;
Object result = null;
boolean inlineClass = (type & 1) == 1;
log.debug("Class is in-line? {}", inlineClass);
if (!inlineClass) {
ClassReference info = refStorage.classReferences.get(type >> 1);
className = info.className;
attributes = info.attributeNames;
type = info.type;
if (attributes != null) {
type |= attributes.size() << 2;
}
} else {
type >>= 1;
className = readString(String.class);
log.debug("Type: {} classname: {}", type, className);
// check for flex class alias since these wont be detected as externalizable
if (classAliases.containsKey(className)) {
// make sure type is externalizable
type = 1;
} else if (className.startsWith("flex")) {
// set the attributes for messaging classes
if (className.endsWith("CommandMessage")) {
attributes =
new LinkedList<String>() {
{
add("timestamp");
add("headers");
add("operation");
add("body");
add("correlationId");
add("messageId");
add("timeToLive");
add("clientId");
add("destination");
}
};
} else {
log.debug("Attributes for {} were not set", className);
}
}
}
amf3_mode += 1;
Object instance = newInstance(className);
Map<String, Object> properties = null;
PendingObject pending = new PendingObject();
int tempRefId = storeReference(pending);
log.debug("Object type: {}", (type & 0x03));
switch (type & 0x03) {
case AMF3.TYPE_OBJECT_PROPERTY:
log.debug("Detected: Object property type");
// Load object properties into map
int count = type >> 2;
log.debug("Count: {}", count);
if (attributes == null) {
attributes = new ArrayList<String>(count);
for (int i = 0; i < count; i++) {
attributes.add(readString(String.class));
}
refStorage.classReferences.add(
new ClassReference(className, AMF3.TYPE_OBJECT_PROPERTY, attributes));
}
properties = new ObjectMap<String, Object>();
for (int i = 0; i < count; i++) {
String name = attributes.get(i);
properties.put(name, deserializer.deserialize(this, getPropertyType(instance, name)));
}
break;
case AMF3.TYPE_OBJECT_EXTERNALIZABLE:
log.debug("Detected: Externalizable type");
// Use custom class to deserialize the object
if ("".equals(className)) {
throw new RuntimeException("Classname is required to load an Externalizable object");
}
log.debug("Externalizable class: {}", className);
if (className.length() == 3) {
// check for special DS class aliases
className = classAliases.get(className);
}
result = newInstance(className);
if (result == null) {
throw new RuntimeException(String.format("Could not instantiate class: %s", className));
}
if (!(result instanceof IExternalizable)) {
throw new RuntimeException(
String.format("Class must implement the IExternalizable interface: %s", className));
}
refStorage.classReferences.add(
new ClassReference(className, AMF3.TYPE_OBJECT_EXTERNALIZABLE, null));
storeReference(tempRefId, result);
((IExternalizable) result).readExternal(new DataInput(this, deserializer));
break;
case AMF3.TYPE_OBJECT_VALUE:
log.debug("Detected: Object value type");
// First, we should read typed (non-dynamic) properties ("sealed traits" according to AMF3
// specification).
// Property names are stored in the beginning, then values are stored.
count = type >> 2;
log.debug("Count: {}", count);
if (attributes == null) {
attributes = new ArrayList<String>(count);
for (int i = 0; i < count; i++) {
attributes.add(readString(String.class));
}
refStorage.classReferences.add(
new ClassReference(className, AMF3.TYPE_OBJECT_VALUE, attributes));
}
// use the size of the attributes if we have no count
if (count == 0 && attributes != null) {
count = attributes.size();
log.debug("Using class attribute size for property count: {}", count);
// read the attributes from the stream and log if count doesnt match
List<String> tmpAttributes = new ArrayList<String>(count);
for (int i = 0; i < count; i++) {
tmpAttributes.add(readString(String.class));
}
if (count != tmpAttributes.size()) {
log.debug("Count and attributes length does not match!");
}
refStorage.classReferences.add(
new ClassReference(className, AMF3.TYPE_OBJECT_VALUE, attributes));
}
properties = new ObjectMap<String, Object>();
for (String key : attributes) {
log.debug("Looking for property: {}", key);
Object value = deserializer.deserialize(this, getPropertyType(instance, key));
log.debug("Key: {} Value: {}", key, value);
properties.put(key, value);
}
log.trace("Buffer - position: {} limit: {}", buf.position(), buf.limit());
// no more items to read if we are at the end of the buffer
if (buf.position() < buf.limit()) {
// Now we should read dynamic properties which are stored as name-value pairs.
// Dynamic properties are NOT remembered in 'classReferences'.
String key = readString(String.class);
while (!"".equals(key)) {
Object value = deserializer.deserialize(this, getPropertyType(instance, key));
properties.put(key, value);
key = readString(String.class);
}
}
break;
default:
case AMF3.TYPE_OBJECT_PROXY:
log.debug("Detected: Object proxy type");
if ("".equals(className)) {
throw new RuntimeException("Classname is required to load an Externalizable object");
}
log.debug("Externalizable class: {}", className);
result = newInstance(className);
if (result == null) {
throw new RuntimeException(String.format("Could not instantiate class: %s", className));
}
if (!(result instanceof IExternalizable)) {
throw new RuntimeException(
String.format("Class must implement the IExternalizable interface: %s", className));
}
refStorage.classReferences.add(new ClassReference(className, AMF3.TYPE_OBJECT_PROXY, null));
storeReference(tempRefId, result);
((IExternalizable) result).readExternal(new DataInput(this, deserializer));
}
amf3_mode -= 1;
if (result == null) {
// Create result object based on classname
if ("".equals(className)) {
// "anonymous" object, load as Map
// Resolve circular references
for (Map.Entry<String, Object> entry : properties.entrySet()) {
if (entry.getValue() == pending) {
entry.setValue(properties);
}
}
storeReference(tempRefId, properties);
result = properties;
} else if ("RecordSet".equals(className)) {
// TODO: how are RecordSet objects encoded?
throw new RuntimeException("Objects of type RecordSet not supported yet.");
} else if ("RecordSetPage".equals(className)) {
// TODO: how are RecordSetPage objects encoded?
throw new RuntimeException("Objects of type RecordSetPage not supported yet.");
} else {
// Apply properties to object
result = newInstance(className);
if (result != null) {
storeReference(tempRefId, result);
Class resultClass = result.getClass();
pending.resolveProperties(result);
for (Map.Entry<String, Object> entry : properties.entrySet()) {
// Resolve circular references
final String key = entry.getKey();
Object value = entry.getValue();
if (value == pending) {
value = result;
}
if (value instanceof PendingObject) {
// Defer setting of value until real object is created
((PendingObject) value).addPendingProperty(result, resultClass, key);
continue;
}
if (value != null) {
try {
final Field field = resultClass.getField(key);
final Class fieldType = field.getType();
if (!fieldType.isAssignableFrom(value.getClass())) {
value = ConversionUtils.convert(value, fieldType);
} else if (value instanceof Enum) {
value = Enum.valueOf(fieldType, value.toString());
}
field.set(result, value);
} catch (Exception e) {
try {
BeanUtils.setProperty(result, key, value);
} catch (IllegalAccessException ex) {
log.warn("Error mapping key: {} value: {}", key, value);
} catch (InvocationTargetException ex) {
log.warn("Error mapping key: {} value: {}", key, value);
}
}
} else {
log.debug("Skipping null property: {}", key);
}
}
} // else fall through
}
}
return result;
}
/**
* Returns an array
*
* @return int Length of array
*/
@SuppressWarnings({"unchecked", "rawtypes"})
public Object readArray(Deserializer deserializer, Type target) {
int count = readAMF3Integer();
log.debug("Count: {} and {} ref {}", new Object[] {count, (count & 1), (count >> 1)});
if ((count & 1) == 0) {
// Reference
Object ref = getReference(count >> 1);
if (ref != null) {
return ref;
}
}
count = (count >> 1);
String key = readString(String.class);
amf3_mode += 1;
Object result;
if (key.equals("")) {
Class<?> nested = Object.class;
Class<?> collection = Collection.class;
Collection resultCollection;
if (target instanceof ParameterizedType) {
ParameterizedType t = (ParameterizedType) target;
Type[] actualTypeArguments = t.getActualTypeArguments();
if (actualTypeArguments.length == 1) {
nested = (Class<?>) actualTypeArguments[0];
}
target = t.getRawType();
}
if (target instanceof Class) {
collection = (Class) target;
}
if (collection.isArray()) {
nested = ArrayUtils.getGenericType(collection.getComponentType());
result = Array.newInstance(nested, count);
storeReference(result);
for (int i = 0; i < count; i++) {
final Object value = deserializer.deserialize(this, nested);
Array.set(result, i, value);
}
} else {
if (SortedSet.class.isAssignableFrom(collection)) {
resultCollection = new TreeSet();
} else if (Set.class.isAssignableFrom(collection)) {
resultCollection = new HashSet(count);
} else {
resultCollection = new ArrayList(count);
}
result = resultCollection;
storeReference(result);
for (int i = 0; i < count; i++) {
final Object value = deserializer.deserialize(this, nested);
resultCollection.add(value);
}
}
} else {
Class<?> k = Object.class;
Class<?> v = Object.class;
Class<?> collection = Collection.class;
if (target instanceof ParameterizedType) {
ParameterizedType t = (ParameterizedType) target;
Type[] actualTypeArguments = t.getActualTypeArguments();
if (actualTypeArguments.length == 2) {
k = (Class<?>) actualTypeArguments[0];
v = (Class<?>) actualTypeArguments[1];
}
target = t.getRawType();
}
if (target instanceof Class) {
collection = (Class) target;
}
if (SortedMap.class.isAssignableFrom(collection)) {
collection = TreeMap.class;
} else {
collection = HashMap.class;
}
Map resultMap;
try {
resultMap = (Map) collection.newInstance();
} catch (Exception e) {
resultMap = new HashMap(count);
}
// associative array
storeReference(resultMap);
while (!key.equals("")) {
final Object value = deserializer.deserialize(this, v);
resultMap.put(key, value);
key = readString(k);
}
for (int i = 0; i < count; i++) {
final Object value = deserializer.deserialize(this, v);
resultMap.put(i, value);
}
result = resultMap;
}
amf3_mode -= 1;
return result;
}
