JSONMessageCodec

java.lang.Object
- io.flutter.plugin.common.JSONMessageCodec

All Implemented Interfaces:

MessageCodec<Object>
```
public final class JSONMessageCodec
extends Object
implements MessageCodec<Object>
```
A MessageCodec using UTF-8 encoded JSON messages.
This codec is guaranteed to be compatible with the corresponding JSONMessageCodec on the Dart side. These parts of the Flutter SDK are evolved synchronously.
Supports the same Java values as JSONObject.wrap(Object).
On the Dart side, JSON messages are handled by the JSON facilities of the dart:convert package.

Field Summary

Fields
Modifier and Type Field Description

static JSONMessageCodec INSTANCE

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Object`	`decodeMessage(ByteBuffer message)`	Decodes the specified message from binary.
`ByteBuffer`	`encodeMessage(Object message)`	Encodes the specified message into binary.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - INSTANCE
```
public static final JSONMessageCodec INSTANCE
```
- Method Detail
  - encodeMessage
```
@Nullable
public ByteBuffer encodeMessage(@Nullable
                                Object message)
```
    Description copied from interface: MessageCodec
    
    Encodes the specified message into binary.
    
    Specified by:
    
    encodeMessage in interface MessageCodec<Object>
    
    Parameters:
    
    message - the T message, possibly null.
    
    Returns:
    
    a ByteBuffer containing the encoding between position 0 and the current position, or null, if message is null.
  - decodeMessage
```
@Nullable
public Object decodeMessage(@Nullable
                            ByteBuffer message)
```
    Description copied from interface: MessageCodec
    
    Decodes the specified message from binary.
    Warning: The ByteBuffer is "direct" and it won't be valid beyond this call. Storing the ByteBuffer and using it later and will lead to a java.nio.BufferUnderflowException. If you want to retain the data you'll need to copy it.
    
    Specified by:
    
    decodeMessage in interface MessageCodec<Object>
    
    Parameters:
    
    message - the ByteBuffer message, possibly null.
    
    Returns:
    
    a T value representation of the bytes between the given buffer's current position and its limit, or null, if message is null.