com.vaadin.server.communication.LegacyUidlWriter API 8.27.7 | Vaadin

com.vaadin.server.communication.

java.lang.Object
- com.vaadin.server.communication.LegacyUidlWriter

All Implemented Interfaces:

Serializable
```
public class LegacyUidlWriter
extends Object
implements Serializable
```
Serializes legacy UIDL changes to JSON.

Since:

7.1

Author:

Vaadin Ltd

See Also:

Serialized Form

Constructor Summary

Constructors
Constructor Description

LegacyUidlWriter()

Method Summary

All Methods
Modifier and Type	Method	Description
`void`	`write(UI ui, Writer writer, PaintTarget target)`	Writes a JSON array containing the changes of all dirty `LegacyComponent`s in the given UI.

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

- Constructor Detail
  - LegacyUidlWriter
```
public LegacyUidlWriter()
```
- Method Detail
  - write
```
public void write(UI ui,
                  Writer writer,
                  PaintTarget target)
           throws IOException
```
    Writes a JSON array containing the changes of all dirty LegacyComponents in the given UI.
    
    Parameters:
    
    ui - The UI whose legacy changes to write
    
    writer - The Writer to write the JSON with
    
    target - The PaintTarget to use
    
    Throws:
    
    IOException - If the serialization fails.