BIOCallback (Apache Tomcat 10.0.27 API Documentation)

```
@Deprecated
public interface BIOCallback
```
Deprecated.
Unused. Will be removed in Tomcat 10.1

Open SSL BIO Callback Interface

Author:

Mladen Turk

Method Summary

All Methods Instance Methods Abstract Methods Deprecated Methods
Modifier and Type	Method	Description
`java.lang.String`	`gets(int len)`	Deprecated. Read string up to the len or CLRLF
`int`	`puts(java.lang.String data)`	Deprecated. Puts string
`int`	`read(byte[] buf)`	Deprecated. Read data
`int`	`write(byte[] buf)`	Deprecated. Write data

- Method Detail
  - write
```
int write(byte[] buf)
```
    Deprecated.
    
    Write data
    
    Parameters:
    
    buf - containing the bytes to write.
    
    Returns:
    
    Number of characters written.
  - read
```
int read(byte[] buf)
```
    Deprecated.
    
    Read data
    
    Parameters:
    
    buf - buffer to store the read bytes.
    
    Returns:
    
    number of bytes read.
  - puts
```
int puts(java.lang.String data)
```
    Deprecated.
    
    Puts string
    
    Parameters:
    
    data - String to write
    
    Returns:
    
    Number of characters written
  - gets
```
java.lang.String gets(int len)
```
    Deprecated.
    
    Read string up to the len or CLRLF
    
    Parameters:
    
    len - Maximum number of characters to read
    
    Returns:
    
    String with up to len bytes read