ApplicationBufferHandler (Apache Tomcat 10.1.56 API Documentation)

All Known Implementing Classes:

BufferedInputFilter, ChunkedInputFilter, Http11InputBuffer, IdentityInputFilter, InputBuffer, UpgradeApplicationBufferHandler
```
public interface ApplicationBufferHandler
```
Callback interface to be able to expand buffers when buffer overflow exceptions happen or to replace buffers

Field Summary

Fields
Modifier and Type	Field	Description
`static ApplicationBufferHandler`	`EMPTY`	No-op implementation of the buffer handler.
`static java.nio.ByteBuffer`	`EMPTY_BUFFER`	Empty byte buffer constant.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`expand(int size)`	Expand the byte buffer to at least the given size.
`java.nio.ByteBuffer`	`getByteBuffer()`	Returns the current byte buffer.
`void`	`setByteBuffer(java.nio.ByteBuffer buffer)`	Set the byte buffer.

- Field Detail
  - EMPTY_BUFFER
```
static final java.nio.ByteBuffer EMPTY_BUFFER
```
    Empty byte buffer constant.
  - EMPTY
```
static final ApplicationBufferHandler EMPTY
```
    No-op implementation of the buffer handler.
- Method Detail
  - setByteBuffer
```
void setByteBuffer(java.nio.ByteBuffer buffer)
```
    Set the byte buffer.
    
    Parameters:
    
    buffer - the byte buffer
  - getByteBuffer
```
java.nio.ByteBuffer getByteBuffer()
```
    Returns the current byte buffer.
    
    Returns:
    
    the byte buffer
  - expand
```
void expand(int size)
```
    Expand the byte buffer to at least the given size. Some implementations may not implement this.
    
    Parameters:
    
    size - the desired size