HeadInputStream (cactoos 0.55.0 API)

java.lang.Object
- java.io.InputStream
- - org.cactoos.io.HeadInputStream

All Implemented Interfaces:

Closeable, AutoCloseable
```
public final class HeadInputStream
extends InputStream
```
Input stream that only shows the first N bytes of the original stream.
There is no thread-safety guarantee.

Since:

0.31

Constructor Summary

Constructors
Constructor Description

HeadInputStream(InputStream orig, int len)
Ctor.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`int`	`available()`
`void`	`close()`
`void`	`mark(int readlimit)`
`boolean`	`markSupported()`
`int`	`read()`
`void`	`reset()`
`long`	`skip(long skip)`

Methods inherited from class java.io.InputStream
nullInputStream, read, read, readAllBytes, readNBytes, readNBytes, transferTo

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

- Constructor Detail
  - HeadInputStream
```
public HeadInputStream(InputStream orig,
                       int len)
```
    Ctor.
    
    Parameters:
    
    orig - The original input stream.
    
    len - A number of bytes that can be read from the beginning.
- Method Detail
  - read
```
public int read()
         throws IOException
```
    Specified by:
    
    read in class InputStream
    
    Throws:
    
    IOException
  - skip
```
public long skip(long skip)
          throws IOException
```
    Overrides:
    
    skip in class InputStream
    
    Throws:
    
    IOException
  - reset
```
public void reset()
           throws IOException
```
    Overrides:
    
    reset in class InputStream
    
    Throws:
    
    IOException
  - available
```
public int available()
              throws IOException
```
    Overrides:
    
    available in class InputStream
    
    Throws:
    
    IOException
  - close
```
public void close()
           throws IOException
```
    Specified by:
    
    close in interface AutoCloseable
    
    Specified by:
    
    close in interface Closeable
    
    Overrides:
    
    close in class InputStream
    
    Throws:
    
    IOException
  - markSupported
```
public boolean markSupported()
```
    Overrides:
    
    markSupported in class InputStream
  - mark
```
public void mark(int readlimit)
```
    Overrides:
    
    mark in class InputStream