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AblyMessageCodec.java
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AblyMessageCodec.java
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package io.ably.flutter.plugin;
import com.google.gson.Gson;
import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import java.io.ByteArrayOutputStream;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
import io.ably.flutter.plugin.generated.PlatformConstants;
import io.ably.flutter.plugin.types.PlatformClientOptions;
import io.ably.flutter.plugin.util.Consumer;
import io.ably.lib.realtime.ChannelEvent;
import io.ably.lib.realtime.ChannelState;
import io.ably.lib.realtime.ChannelStateListener;
import io.ably.lib.realtime.ConnectionEvent;
import io.ably.lib.realtime.ConnectionState;
import io.ably.lib.realtime.ConnectionStateListener;
import io.ably.lib.rest.Auth;
import io.ably.lib.rest.Auth.TokenDetails;
import io.ably.lib.types.AblyException;
import io.ably.lib.types.AsyncPaginatedResult;
import io.ably.lib.types.ChannelOptions;
import io.ably.lib.types.ClientOptions;
import io.ably.lib.types.ErrorInfo;
import io.ably.lib.types.Message;
import io.ably.lib.types.Param;
import io.ably.lib.types.PresenceMessage;
import io.flutter.plugin.common.StandardMessageCodec;
public class AblyMessageCodec extends StandardMessageCodec {
interface CodecEncoder<T> {
Map<String, Object> encode(T value);
}
interface CodecDecoder<T> {
T decode(Map<String, Object> jsonMap);
}
private static class CodecPair<T> {
final CodecEncoder<T> encoder;
final CodecDecoder<T> decoder;
CodecPair(CodecEncoder<T> encoder, CodecDecoder<T> decoder) {
this.encoder = encoder;
this.decoder = decoder;
}
Map<String, Object> encode(final Object value) {
if (this.encoder == null) {
System.out.println("Codec encoder not defined");
return null;
}
return this.encoder.encode((T) value);
}
T decode(Map<String, Object> jsonMap) {
if (this.decoder == null) {
System.out.println("Codec decoder not defined");
return null;
}
return this.decoder.decode(jsonMap);
}
}
private Map<Byte, CodecPair> codecMap;
AblyMessageCodec() {
final AblyMessageCodec self = this;
codecMap = new HashMap<Byte, CodecPair>() {
{
put(PlatformConstants.CodecTypes.ablyMessage,
new CodecPair<>(self::encodeAblyFlutterMessage, self::decodeAblyFlutterMessage));
put(PlatformConstants.CodecTypes.ablyEventMessage,
new CodecPair<>(null, self::decodeAblyFlutterEventMessage));
put(PlatformConstants.CodecTypes.clientOptions,
new CodecPair<>(null, self::decodeClientOptions));
put(PlatformConstants.CodecTypes.tokenParams,
new CodecPair<>(self::encodeTokenParams, null));
put(PlatformConstants.CodecTypes.tokenDetails,
new CodecPair<>(null, self::decodeTokenDetails));
put(PlatformConstants.CodecTypes.tokenRequest,
new CodecPair<>(null, self::decodeTokenRequest));
put(PlatformConstants.CodecTypes.restChannelOptions,
new CodecPair<>(null, self::decodeRestChannelOptions));
put(PlatformConstants.CodecTypes.realtimeChannelOptions,
new CodecPair<>(null, self::decodeRealtimeChannelOptions));
put(PlatformConstants.CodecTypes.paginatedResult,
new CodecPair<>(self::encodePaginatedResult, null));
put(PlatformConstants.CodecTypes.restHistoryParams,
new CodecPair<>(null, self::decodeRestHistoryParams));
put(PlatformConstants.CodecTypes.realtimeHistoryParams,
new CodecPair<>(null, self::decodeRealtimeHistoryParams));
put(PlatformConstants.CodecTypes.restPresenceParams,
new CodecPair<>(null, self::decodeRestPresenceParams));
put(PlatformConstants.CodecTypes.realtimePresenceParams,
new CodecPair<>(null, self::decodeRealtimePresenceParams));
put(PlatformConstants.CodecTypes.errorInfo,
new CodecPair<>(self::encodeErrorInfo, null));
put(PlatformConstants.CodecTypes.messageData,
new CodecPair<>(null, self::decodeChannelMessageData));
put(PlatformConstants.CodecTypes.message,
new CodecPair<>(self::encodeChannelMessage, self::decodeChannelMessage));
put(PlatformConstants.CodecTypes.presenceMessage,
new CodecPair<>(self::encodePresenceMessage, null));
put(PlatformConstants.CodecTypes.connectionStateChange,
new CodecPair<>(self::encodeConnectionStateChange, null));
put(PlatformConstants.CodecTypes.channelStateChange,
new CodecPair<>(self::encodeChannelStateChange, null));
}
};
}
@Override
protected Object readValueOfType(final byte type, final ByteBuffer buffer) {
CodecPair pair = codecMap.get(type);
if (pair != null) {
Map<String, Object> jsonMap = (Map<String, Object>) readValue(buffer);
return pair.decode(jsonMap);
}
return super.readValueOfType(type, buffer);
}
private void readValueFromJson(Map<String, Object> jsonMap, String key, final Consumer<Object> consumer) {
final Object object = jsonMap.get(key);
if (null != object) {
consumer.accept(object);
}
}
private void writeValueToJson(Map<String, Object> jsonMap, String key, Object value) {
if (null != value) {
jsonMap.put(key, value);
}
}
private Byte getType(Object value) {
if (value instanceof AblyFlutterMessage) {
return PlatformConstants.CodecTypes.ablyMessage;
} else if (value instanceof ErrorInfo) {
return PlatformConstants.CodecTypes.errorInfo;
} else if (value instanceof Auth.TokenParams) {
return PlatformConstants.CodecTypes.tokenParams;
} else if (value instanceof AsyncPaginatedResult) {
return PlatformConstants.CodecTypes.paginatedResult;
} else if (value instanceof ConnectionStateListener.ConnectionStateChange) {
return PlatformConstants.CodecTypes.connectionStateChange;
} else if (value instanceof ChannelStateListener.ChannelStateChange) {
return PlatformConstants.CodecTypes.channelStateChange;
} else if (value instanceof PresenceMessage) {
return PlatformConstants.CodecTypes.presenceMessage;
} else if (value instanceof Message) {
return PlatformConstants.CodecTypes.message;
}
return null;
}
@Override
protected void writeValue(ByteArrayOutputStream stream, Object value) {
Byte type = getType(value);
if (type != null) {
CodecPair pair = codecMap.get(type);
if (pair != null) {
stream.write(type);
writeValue(stream, pair.encode(value));
return;
}
}
if (value instanceof JsonElement) {
WriteJsonElement(stream, (JsonElement) value);
return;
}
super.writeValue(stream, value);
}
private void WriteJsonElement(ByteArrayOutputStream stream, JsonElement value) {
if (value instanceof JsonObject) {
super.writeValue(stream, (new Gson()).fromJson(value, Map.class));
} else if (value instanceof JsonArray) {
super.writeValue(stream, (new Gson()).fromJson(value, ArrayList.class));
}
}
/**
* Converts Map to JsonObject, ArrayList to JsonArray and
* returns null if these 2 types are a no-match
*/
static JsonElement readValueAsJsonElement(final Object object) {
final Gson gson = new Gson();
if (object instanceof Map) {
return gson.fromJson(gson.toJson(object, Map.class), JsonObject.class);
} else if (object instanceof ArrayList) {
return gson.fromJson(gson.toJson(object, ArrayList.class), JsonArray.class);
}
return null;
}
/**
* Dart int types get delivered to Java as Integer, unless '32 bits not enough' in which case
* they are delivered as Long.
* See: https://flutter.dev/docs/development/platform-integration/platform-channels#codec
*/
private Long readValueAsLong(final Object object) {
if (null == object) {
return null;
}
if (object instanceof Integer) {
return ((Integer) object).longValue();
}
return (Long) object; // will java.lang.ClassCastException if object is not a Long
}
private AblyFlutterMessage decodeAblyFlutterMessage(Map<String, Object> jsonMap) {
if (jsonMap == null) return null;
final Long handle = readValueAsLong(jsonMap.get(PlatformConstants.TxAblyMessage.registrationHandle));
final Object messageType = jsonMap.get(PlatformConstants.TxAblyMessage.type);
final Integer type = (messageType == null) ? null : Integer.parseInt(messageType.toString());
Object message = jsonMap.get(PlatformConstants.TxAblyMessage.message);
if (type != null) {
message = codecMap.get((byte) (int) type).decode((Map<String, Object>) message);
}
return new AblyFlutterMessage<>(message, handle);
}
private AblyEventMessage decodeAblyFlutterEventMessage(Map<String, Object> jsonMap) {
if (jsonMap == null) return null;
final String eventName = (String) jsonMap.get(PlatformConstants.TxAblyEventMessage.eventName);
final Object messageType = jsonMap.get(PlatformConstants.TxAblyEventMessage.type);
final Integer type = (messageType == null) ? null : Integer.parseInt(messageType.toString());
Object message = jsonMap.get(PlatformConstants.TxAblyEventMessage.message);
if (type != null) {
message = codecMap.get((byte) (int) type).decode((Map<String, Object>) message);
}
return new AblyEventMessage<>(eventName, message);
}
private PlatformClientOptions decodeClientOptions(Map<String, Object> jsonMap) {
if (jsonMap == null) return null;
final ClientOptions o = new ClientOptions();
// AuthOptions (super class of ClientOptions)
readValueFromJson(jsonMap, PlatformConstants.TxClientOptions.authUrl, v -> o.authUrl = (String) v);
readValueFromJson(jsonMap, PlatformConstants.TxClientOptions.authMethod, v -> o.authMethod = (String) v);
readValueFromJson(jsonMap, PlatformConstants.TxClientOptions.key, v -> o.key = (String) v);
readValueFromJson(jsonMap, PlatformConstants.TxClientOptions.tokenDetails, v -> o.tokenDetails = decodeTokenDetails((Map<String, Object>) v));
readValueFromJson(jsonMap, PlatformConstants.TxClientOptions.authHeaders, v -> o.authHeaders = (Param[]) v);
readValueFromJson(jsonMap, PlatformConstants.TxClientOptions.authParams, v -> o.authParams = (Param[]) v);
readValueFromJson(jsonMap, PlatformConstants.TxClientOptions.queryTime, v -> o.queryTime = (Boolean) v);
readValueFromJson(jsonMap, PlatformConstants.TxClientOptions.useTokenAuth, v -> o.useTokenAuth = (Boolean) v);
// ClientOptions
readValueFromJson(jsonMap, PlatformConstants.TxClientOptions.clientId, v -> o.clientId = (String) v);
readValueFromJson(jsonMap, PlatformConstants.TxClientOptions.logLevel, v -> o.logLevel = (Integer) v);
readValueFromJson(jsonMap, PlatformConstants.TxClientOptions.tls, v -> o.tls = (Boolean) v);
readValueFromJson(jsonMap, PlatformConstants.TxClientOptions.restHost, v -> o.restHost = (String) v);
readValueFromJson(jsonMap, PlatformConstants.TxClientOptions.realtimeHost, v -> o.realtimeHost = (String) v);
readValueFromJson(jsonMap, PlatformConstants.TxClientOptions.port, v -> o.port = (Integer) v);
readValueFromJson(jsonMap, PlatformConstants.TxClientOptions.tlsPort, v -> o.tlsPort = (Integer) v);
readValueFromJson(jsonMap, PlatformConstants.TxClientOptions.autoConnect, v -> o.autoConnect = (Boolean) v);
readValueFromJson(jsonMap, PlatformConstants.TxClientOptions.useBinaryProtocol, v -> o.useBinaryProtocol = (Boolean) v);
readValueFromJson(jsonMap, PlatformConstants.TxClientOptions.queueMessages, v -> o.queueMessages = (Boolean) v);
readValueFromJson(jsonMap, PlatformConstants.TxClientOptions.echoMessages, v -> o.echoMessages = (Boolean) v);
readValueFromJson(jsonMap, PlatformConstants.TxClientOptions.recover, v -> o.recover = (String) v);
readValueFromJson(jsonMap, PlatformConstants.TxClientOptions.environment, v -> o.environment = (String) v);
readValueFromJson(jsonMap, PlatformConstants.TxClientOptions.idempotentRestPublishing, v -> o.idempotentRestPublishing = (Boolean) v);
readValueFromJson(jsonMap, PlatformConstants.TxClientOptions.httpOpenTimeout, v -> o.httpOpenTimeout = (Integer) v);
readValueFromJson(jsonMap, PlatformConstants.TxClientOptions.httpRequestTimeout, v -> o.httpRequestTimeout = (Integer) v);
readValueFromJson(jsonMap, PlatformConstants.TxClientOptions.httpMaxRetryCount, v -> o.httpMaxRetryCount = (Integer) v);
readValueFromJson(jsonMap, PlatformConstants.TxClientOptions.realtimeRequestTimeout, v -> o.realtimeRequestTimeout = readValueAsLong(v));
readValueFromJson(jsonMap, PlatformConstants.TxClientOptions.fallbackHosts, v -> o.fallbackHosts = (String[]) v);
readValueFromJson(jsonMap, PlatformConstants.TxClientOptions.fallbackHostsUseDefault, v -> o.fallbackHostsUseDefault = (Boolean) v);
readValueFromJson(jsonMap, PlatformConstants.TxClientOptions.fallbackRetryTimeout, v -> o.fallbackRetryTimeout = readValueAsLong(v));
readValueFromJson(jsonMap, PlatformConstants.TxClientOptions.defaultTokenParams, v -> o.defaultTokenParams = decodeTokenParams((Map<String, Object>) v));
readValueFromJson(jsonMap, PlatformConstants.TxClientOptions.channelRetryTimeout, v -> o.channelRetryTimeout = (Integer) v);
readValueFromJson(jsonMap, PlatformConstants.TxClientOptions.transportParams, v -> o.transportParams = (Param[]) v);
return new PlatformClientOptions(o, jsonMap.containsKey(PlatformConstants.TxClientOptions.hasAuthCallback) ? ((boolean) jsonMap.get(PlatformConstants.TxClientOptions.hasAuthCallback)) : false);
}
private TokenDetails decodeTokenDetails(Map<String, Object> jsonMap) {
if (jsonMap == null) return null;
final TokenDetails o = new TokenDetails();
readValueFromJson(jsonMap, PlatformConstants.TxTokenDetails.token, v -> o.token = (String) v);
readValueFromJson(jsonMap, PlatformConstants.TxTokenDetails.expires, v -> o.expires = (int) v);
readValueFromJson(jsonMap, PlatformConstants.TxTokenDetails.issued, v -> o.issued = (int) v);
readValueFromJson(jsonMap, PlatformConstants.TxTokenDetails.capability, v -> o.capability = (String) v);
readValueFromJson(jsonMap, PlatformConstants.TxTokenDetails.clientId, v -> o.clientId = (String) v);
return o;
}
private Auth.TokenParams decodeTokenParams(Map<String, Object> jsonMap) {
if (jsonMap == null) return null;
final Auth.TokenParams o = new Auth.TokenParams();
readValueFromJson(jsonMap, PlatformConstants.TxTokenParams.capability, v -> o.capability = (String) v);
readValueFromJson(jsonMap, PlatformConstants.TxTokenParams.clientId, v -> o.clientId = (String) v);
readValueFromJson(jsonMap, PlatformConstants.TxTokenParams.timestamp, v -> o.timestamp = readValueAsLong(v));
readValueFromJson(jsonMap, PlatformConstants.TxTokenParams.ttl, v -> o.ttl = readValueAsLong(v));
// nonce is not supported in ably-java
// Track @ https://github.com/ably/ably-flutter/issues/14
return o;
}
private Auth.TokenRequest decodeTokenRequest(Map<String, Object> jsonMap) {
if (jsonMap == null) return null;
final Auth.TokenRequest o = new Auth.TokenRequest();
readValueFromJson(jsonMap, PlatformConstants.TxTokenRequest.keyName, v -> o.keyName = (String) v);
readValueFromJson(jsonMap, PlatformConstants.TxTokenRequest.nonce, v -> o.nonce = (String) v);
readValueFromJson(jsonMap, PlatformConstants.TxTokenRequest.mac, v -> o.mac = (String) v);
readValueFromJson(jsonMap, PlatformConstants.TxTokenRequest.capability, v -> o.capability = (String) v);
readValueFromJson(jsonMap, PlatformConstants.TxTokenRequest.clientId, v -> o.clientId = (String) v);
readValueFromJson(jsonMap, PlatformConstants.TxTokenRequest.timestamp, v -> o.timestamp = readValueAsLong(v));
readValueFromJson(jsonMap, PlatformConstants.TxTokenRequest.ttl, v -> o.ttl = readValueAsLong(v));
return o;
}
private ChannelOptions decodeRestChannelOptions(Map<String, Object> jsonMap) {
if (jsonMap == null) return null;
final Object cipher = jsonMap.get(PlatformConstants.TxRealtimeChannelOptions.cipher);
try {
return ChannelOptions.withCipherKey((String) cipher);
} catch (AblyException ae) {
System.out.println("Exception while decoding RestChannelOptions : " + ae);
return null;
}
}
private ChannelOptions decodeRealtimeChannelOptions(Map<String, Object> jsonMap) {
if (jsonMap == null) return null;
final Object cipher = jsonMap.get(PlatformConstants.TxRealtimeChannelOptions.cipher);
try {
final ChannelOptions o = ChannelOptions.withCipherKey((String) cipher);
readValueFromJson(jsonMap, PlatformConstants.TxRealtimeChannelOptions.params, v -> o.cipherParams = (Map<String, String>) v);
// modes is not supported in ably-java
// Track @ https://github.com/ably/ably-flutter/issues/14
return o;
} catch (AblyException ae) {
System.out.println("Exception while decoding RealtimeChannelOptions: " + ae);
return null;
}
}
private Param[] decodeRestHistoryParams(Map<String, Object> jsonMap) {
if (jsonMap == null) return null;
Param[] params = new Param[jsonMap.size()];
int index = 0;
final Object start = jsonMap.get(PlatformConstants.TxRestHistoryParams.start);
final Object end = jsonMap.get(PlatformConstants.TxRestHistoryParams.end);
final Object limit = jsonMap.get(PlatformConstants.TxRestHistoryParams.limit);
final Object direction = jsonMap.get(PlatformConstants.TxRestHistoryParams.direction);
if (start != null) {
params[index++] = new Param(PlatformConstants.TxRestHistoryParams.start, readValueAsLong(start));
}
if (end != null) {
params[index++] = new Param(PlatformConstants.TxRestHistoryParams.end, readValueAsLong(end));
}
if (limit != null) {
params[index++] = new Param(PlatformConstants.TxRestHistoryParams.limit, (Integer) limit);
}
if (direction != null) {
params[index] = new Param(PlatformConstants.TxRestHistoryParams.direction, (String) direction);
}
return params;
}
private Param[] decodeRealtimeHistoryParams(Map<String, Object> jsonMap) {
if (jsonMap == null) return null;
Param[] params = new Param[jsonMap.size()];
int index = 0;
final Object start = jsonMap.get(PlatformConstants.TxRealtimeHistoryParams.start);
final Object end = jsonMap.get(PlatformConstants.TxRealtimeHistoryParams.end);
final Object limit = jsonMap.get(PlatformConstants.TxRealtimeHistoryParams.limit);
final Object direction = jsonMap.get(PlatformConstants.TxRealtimeHistoryParams.direction);
final Object untilAttach = jsonMap.get(PlatformConstants.TxRealtimeHistoryParams.untilAttach);
if (start != null) {
params[index++] = new Param(PlatformConstants.TxRealtimeHistoryParams.start, readValueAsLong(start));
}
if (end != null) {
params[index++] = new Param(PlatformConstants.TxRealtimeHistoryParams.end, readValueAsLong(end));
}
if (limit != null) {
params[index++] = new Param(PlatformConstants.TxRealtimeHistoryParams.limit, (Integer) limit);
}
if (direction != null) {
params[index++] = new Param(PlatformConstants.TxRealtimeHistoryParams.direction, (String) direction);
}
if (untilAttach != null) {
params[index] = new Param(PlatformConstants.TxRealtimeHistoryParams.untilAttach, (boolean) untilAttach);
}
return params;
}
private Param[] decodeRestPresenceParams(Map<String, Object> jsonMap) {
if (jsonMap == null) return null;
Param[] params = new Param[jsonMap.size()];
int index = 0;
final Object limit = jsonMap.get(PlatformConstants.TxRestPresenceParams.limit);
final Object clientId = jsonMap.get(PlatformConstants.TxRestPresenceParams.clientId);
final Object connectionId = jsonMap.get(PlatformConstants.TxRestPresenceParams.connectionId);
if (limit != null) {
params[index++] = new Param(PlatformConstants.TxRestPresenceParams.limit, (Integer) limit);
}
if (clientId != null) {
params[index++] = new Param(PlatformConstants.TxRestPresenceParams.clientId, (String) clientId);
}
if (connectionId != null) {
params[index] = new Param(PlatformConstants.TxRestPresenceParams.connectionId, (String) connectionId);
}
return params;
}
private Param[] decodeRealtimePresenceParams(Map<String, Object> jsonMap) {
if (jsonMap == null) return null;
Param[] params = new Param[jsonMap.size()];
int index = 0;
final Object waitForSync = jsonMap.get(PlatformConstants.TxRealtimePresenceParams.waitForSync);
final Object clientId = jsonMap.get(PlatformConstants.TxRealtimePresenceParams.clientId);
final Object connectionId = jsonMap.get(PlatformConstants.TxRealtimePresenceParams.connectionId);
if (waitForSync != null) {
params[index++] = new Param(PlatformConstants.TxRealtimePresenceParams.waitForSync, (Boolean) waitForSync);
}
if (clientId != null) {
params[index++] = new Param(PlatformConstants.TxRealtimePresenceParams.clientId, (String) clientId);
}
if (connectionId != null) {
params[index] = new Param(PlatformConstants.TxRealtimePresenceParams.connectionId, (String) connectionId);
}
return params;
}
private Object decodeMessageData(Object messageData) {
final JsonElement json = readValueAsJsonElement(messageData);
return (json == null) ? messageData : json;
}
private Object decodeChannelMessageData(Map<String, Object> jsonMap) {
if (jsonMap == null) return null;
return decodeMessageData(jsonMap.get(PlatformConstants.TxMessage.data));
}
private Message decodeChannelMessage(Map<String, Object> jsonMap) {
if (jsonMap == null) return null;
final Message o = new Message();
readValueFromJson(jsonMap, PlatformConstants.TxMessage.id, v -> o.id = (String) v);
readValueFromJson(jsonMap, PlatformConstants.TxMessage.clientId, v -> o.clientId = (String) v);
readValueFromJson(jsonMap, PlatformConstants.TxMessage.name, v -> o.name = (String) v);
readValueFromJson(jsonMap, PlatformConstants.TxMessage.data, v -> o.data = decodeMessageData(v));
readValueFromJson(jsonMap, PlatformConstants.TxMessage.encoding, v -> o.encoding = (String) v);
readValueFromJson(jsonMap, PlatformConstants.TxMessage.extras, v -> {
final Gson gson = new Gson();
o.extras = gson.fromJson(gson.toJson(v, Map.class), JsonObject.class);
});
return o;
}
//===============================================================
//=====================HANDLING WRITE============================
//===============================================================
private Map<String, Object> encodeAblyFlutterMessage(AblyFlutterMessage c) {
if (c == null) return null;
HashMap<String, Object> jsonMap = new HashMap<>();
writeValueToJson(jsonMap, PlatformConstants.TxAblyMessage.registrationHandle, c.handle);
Byte type = getType(c.message);
CodecPair pair = codecMap.get(type);
if (type != null && pair != null) {
writeValueToJson(jsonMap, PlatformConstants.TxAblyMessage.type, type & 0xff);
writeValueToJson(jsonMap, PlatformConstants.TxAblyMessage.message, pair.encode(c.message));
}
return jsonMap;
}
private Map<String, Object> encodeErrorInfo(ErrorInfo c) {
if (c == null) return null;
HashMap<String, Object> jsonMap = new HashMap<>();
writeValueToJson(jsonMap, PlatformConstants.TxErrorInfo.code, c.code);
writeValueToJson(jsonMap, PlatformConstants.TxErrorInfo.message, c.message);
writeValueToJson(jsonMap, PlatformConstants.TxErrorInfo.statusCode, c.statusCode);
writeValueToJson(jsonMap, PlatformConstants.TxErrorInfo.href, c.href);
// requestId and cause - not available in ably-java
// track @ https://github.com/ably/ably-flutter/issues/14
return jsonMap;
}
private Map<String, Object> encodeTokenParams(Auth.TokenParams c) {
if (c == null) return null;
HashMap<String, Object> jsonMap = new HashMap<>();
writeValueToJson(jsonMap, PlatformConstants.TxTokenParams.capability, c.capability);
writeValueToJson(jsonMap, PlatformConstants.TxTokenParams.clientId, c.clientId);
writeValueToJson(jsonMap, PlatformConstants.TxTokenParams.timestamp, c.timestamp);
writeValueToJson(jsonMap, PlatformConstants.TxTokenParams.ttl, c.ttl);
// nonce is not supported in ably-java
// Track @ https://github.com/ably/ably-flutter/issues/14
return jsonMap;
}
private String encodeConnectionState(ConnectionState state) {
switch (state) {
case initialized:
return PlatformConstants.TxEnumConstants.initialized;
case connecting:
return PlatformConstants.TxEnumConstants.connecting;
case connected:
return PlatformConstants.TxEnumConstants.connected;
case disconnected:
return PlatformConstants.TxEnumConstants.disconnected;
case suspended:
return PlatformConstants.TxEnumConstants.suspended;
case closing:
return PlatformConstants.TxEnumConstants.closing;
case closed:
return PlatformConstants.TxEnumConstants.closed;
case failed:
return PlatformConstants.TxEnumConstants.failed;
default:
return null;
}
}
private String encodeConnectionEvent(ConnectionEvent event) {
switch (event) {
case initialized:
return PlatformConstants.TxEnumConstants.initialized;
case connecting:
return PlatformConstants.TxEnumConstants.connecting;
case connected:
return PlatformConstants.TxEnumConstants.connected;
case disconnected:
return PlatformConstants.TxEnumConstants.disconnected;
case suspended:
return PlatformConstants.TxEnumConstants.suspended;
case closing:
return PlatformConstants.TxEnumConstants.closing;
case closed:
return PlatformConstants.TxEnumConstants.closed;
case failed:
return PlatformConstants.TxEnumConstants.failed;
case update:
return PlatformConstants.TxEnumConstants.update;
default:
return null;
}
}
private String encodeChannelState(ChannelState state) {
switch (state) {
case initialized:
return PlatformConstants.TxEnumConstants.initialized;
case attaching:
return PlatformConstants.TxEnumConstants.attaching;
case attached:
return PlatformConstants.TxEnumConstants.attached;
case detaching:
return PlatformConstants.TxEnumConstants.detaching;
case detached:
return PlatformConstants.TxEnumConstants.detached;
case failed:
return PlatformConstants.TxEnumConstants.failed;
case suspended:
return PlatformConstants.TxEnumConstants.suspended;
default:
return null;
}
}
private String encodeChannelEvent(ChannelEvent event) {
switch (event) {
case initialized:
return PlatformConstants.TxEnumConstants.initialized;
case attaching:
return PlatformConstants.TxEnumConstants.attaching;
case attached:
return PlatformConstants.TxEnumConstants.attached;
case detaching:
return PlatformConstants.TxEnumConstants.detaching;
case detached:
return PlatformConstants.TxEnumConstants.detached;
case failed:
return PlatformConstants.TxEnumConstants.failed;
case suspended:
return PlatformConstants.TxEnumConstants.suspended;
case update:
return PlatformConstants.TxEnumConstants.update;
default:
return null;
}
}
private Map<String, Object> encodePaginatedResult(AsyncPaginatedResult<Object> c) {
if (c == null) return null;
HashMap<String, Object> jsonMap = new HashMap<>();
Object[] items = c.items();
if (items.length > 0) {
Byte type = getType(items[0]);
CodecPair pair = codecMap.get(type);
if (type != null && pair != null) {
ArrayList<Map<String, Object>> list = new ArrayList<>(items.length);
for (Object item : items) {
list.add((Map<String, Object>) pair.encode(item));
}
writeValueToJson(
jsonMap,
PlatformConstants.TxPaginatedResult.items,
list
);
writeValueToJson(jsonMap, PlatformConstants.TxPaginatedResult.type, type & 0xff);
}
} else {
writeValueToJson(jsonMap, PlatformConstants.TxPaginatedResult.items, null);
}
writeValueToJson(jsonMap, PlatformConstants.TxPaginatedResult.hasNext, c.hasNext());
return jsonMap;
}
private Map<String, Object> encodeConnectionStateChange(ConnectionStateListener.ConnectionStateChange c) {
if (c == null) return null;
final HashMap<String, Object> jsonMap = new HashMap<>();
writeValueToJson(jsonMap, PlatformConstants.TxConnectionStateChange.current, encodeConnectionState(c.current));
writeValueToJson(jsonMap, PlatformConstants.TxConnectionStateChange.previous, encodeConnectionState(c.previous));
writeValueToJson(jsonMap, PlatformConstants.TxConnectionStateChange.event, encodeConnectionEvent(c.event));
writeValueToJson(jsonMap, PlatformConstants.TxConnectionStateChange.retryIn, c.retryIn);
writeValueToJson(jsonMap, PlatformConstants.TxConnectionStateChange.reason, encodeErrorInfo(c.reason));
return jsonMap;
}
private Map<String, Object> encodeChannelStateChange(ChannelStateListener.ChannelStateChange c) {
if (c == null) return null;
final HashMap<String, Object> jsonMap = new HashMap<>();
writeValueToJson(jsonMap, PlatformConstants.TxChannelStateChange.current, encodeChannelState(c.current));
writeValueToJson(jsonMap, PlatformConstants.TxChannelStateChange.previous, encodeChannelState(c.previous));
writeValueToJson(jsonMap, PlatformConstants.TxChannelStateChange.event, encodeChannelEvent(c.event));
writeValueToJson(jsonMap, PlatformConstants.TxChannelStateChange.resumed, c.resumed);
writeValueToJson(jsonMap, PlatformConstants.TxChannelStateChange.reason, encodeErrorInfo(c.reason));
return jsonMap;
}
private Map<String, Object> encodeChannelMessage(Message c) {
if (c == null) return null;
final HashMap<String, Object> jsonMap = new HashMap<>();
writeValueToJson(jsonMap, PlatformConstants.TxMessage.id, c.id);
writeValueToJson(jsonMap, PlatformConstants.TxMessage.clientId, c.clientId);
writeValueToJson(jsonMap, PlatformConstants.TxMessage.connectionId, c.connectionId);
writeValueToJson(jsonMap, PlatformConstants.TxMessage.timestamp, c.timestamp);
writeValueToJson(jsonMap, PlatformConstants.TxMessage.name, c.name);
writeValueToJson(jsonMap, PlatformConstants.TxMessage.data, c.data);
writeValueToJson(jsonMap, PlatformConstants.TxMessage.encoding, c.encoding);
writeValueToJson(jsonMap, PlatformConstants.TxMessage.extras, c.extras);
return jsonMap;
}
private String encodePresenceAction(PresenceMessage.Action action) {
switch (action) {
case absent:
return PlatformConstants.TxEnumConstants.absent;
case leave:
return PlatformConstants.TxEnumConstants.leave;
case enter:
return PlatformConstants.TxEnumConstants.enter;
case present:
return PlatformConstants.TxEnumConstants.present;
case update:
return PlatformConstants.TxEnumConstants.update;
default:
return null;
}
}
private Map<String, Object> encodePresenceMessage(PresenceMessage c) {
if (c == null) return null;
final HashMap<String, Object> jsonMap = new HashMap<>();
writeValueToJson(jsonMap, PlatformConstants.TxPresenceMessage.id, c.id);
writeValueToJson(jsonMap, PlatformConstants.TxPresenceMessage.action, encodePresenceAction(c.action));
writeValueToJson(jsonMap, PlatformConstants.TxPresenceMessage.clientId, c.clientId);
writeValueToJson(jsonMap, PlatformConstants.TxPresenceMessage.connectionId, c.connectionId);
writeValueToJson(jsonMap, PlatformConstants.TxPresenceMessage.timestamp, c.timestamp);
writeValueToJson(jsonMap, PlatformConstants.TxPresenceMessage.data, c.data);
writeValueToJson(jsonMap, PlatformConstants.TxPresenceMessage.encoding, c.encoding);
// PresenceMessage#extras is not supported in ably-java
// Track @ https://github.com/ably/ably-flutter/issues/14
return jsonMap;
}
}