AbstractInputStream

java.lang.Object
- java.io.InputStream
- - org.apache.commons.io.input.AbstractInputStream

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable

Direct Known Subclasses:

CircularInputStream, MemoryMappedFileInputStream, NullInputStream, RandomAccessFileInputStream, ReaderInputStream
```
public abstract class AbstractInputStream
extends java.io.InputStream
```
Abstracts some InputStream operations for implementations in this package.

Since:

2.17.0

Constructor Summary

Constructors
Constructor Description

AbstractInputStream()
Constructs a new instance for subclasses.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`close()`
`boolean`	`isClosed()`	Tests whether this instance is closed; if `close()` completed successfully.
`void`	`setClosed(boolean closed)`	Sets whether this instance is closed.

Methods inherited from class java.io.InputStream
available, mark, markSupported, nullInputStream, read, read, read, readAllBytes, readNBytes, readNBytes, reset, skip, transferTo

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

- Constructor Detail
  - AbstractInputStream
```
public AbstractInputStream()
```
    Constructs a new instance for subclasses.
- Method Detail
  - close
```
public void close()
           throws java.io.IOException
```
    Specified by:
    
    close in interface java.lang.AutoCloseable
    
    Specified by:
    
    close in interface java.io.Closeable
    
    Overrides:
    
    close in class java.io.InputStream
    
    Throws:
    
    java.io.IOException
  - isClosed
```
public boolean isClosed()
```
    Tests whether this instance is closed; if close() completed successfully.
    
    Returns:
    
    whether this instance is closed.
  - setClosed
```
public void setClosed(boolean closed)
```
    Sets whether this instance is closed.
    
    Parameters:
    
    closed - whether this instance is closed.