MultiReadOnlySeekableByteChannel (The Adobe AEM Quickstart and Web Application.)

java.lang.Object
- org.apache.commons.compress.utils.MultiReadOnlySeekableByteChannel

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, java.nio.channels.ByteChannel, java.nio.channels.Channel, java.nio.channels.ReadableByteChannel, java.nio.channels.SeekableByteChannel, java.nio.channels.WritableByteChannel

Direct Known Subclasses:

ZipSplitReadOnlySeekableByteChannel
```
public class MultiReadOnlySeekableByteChannel
extends java.lang.Object
implements java.nio.channels.SeekableByteChannel
```
Read-Only Implementation of SeekableByteChannel that concatenates a collection of other SeekableByteChannels.
This is a lose port of MultiReadOnlySeekableByteChannel by Tim Underwood.

Since:

1.19

Constructor Summary

Constructors
Constructor and Description

MultiReadOnlySeekableByteChannel(java.util.List<java.nio.channels.SeekableByteChannel> channels)
Concatenates the given channels.

Constructors
Constructor and Description
`MultiReadOnlySeekableByteChannel(java.util.List<java.nio.channels.SeekableByteChannel> channels)` Concatenates the given channels.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`close()`
`static java.nio.channels.SeekableByteChannel`	`forFiles(java.io.File... files)` Concatenates the given files.
`static java.nio.channels.SeekableByteChannel`	`forPaths(java.nio.file.Path... paths)` Concatenates the given file paths.
`static java.nio.channels.SeekableByteChannel`	`forSeekableByteChannels(java.nio.channels.SeekableByteChannel... channels)` Concatenates the given channels.
`boolean`	`isOpen()`
`long`	`position()` Returns this channel's position.
`java.nio.channels.SeekableByteChannel`	`position(long newPosition)`
`java.nio.channels.SeekableByteChannel`	`position(long channelNumber, long relativeOffset)` set the position based on the given channel number and relative offset
`int`	`read(java.nio.ByteBuffer dst)`
`long`	`size()`
`java.nio.channels.SeekableByteChannel`	`truncate(long size)`
`int`	`write(java.nio.ByteBuffer src)`

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

- Constructor Detail
  - MultiReadOnlySeekableByteChannel
```
public MultiReadOnlySeekableByteChannel(java.util.List<java.nio.channels.SeekableByteChannel> channels)
```
    Concatenates the given channels.
    
    Parameters:
    
    channels - the channels to concatenate
    
    Throws:
    
    java.lang.NullPointerException - if channels is null
- Method Detail
  - read
```
public int read(java.nio.ByteBuffer dst)
         throws java.io.IOException
```
    Specified by:
    
    read in interface java.nio.channels.ReadableByteChannel
    
    Specified by:
    
    read in interface java.nio.channels.SeekableByteChannel
    
    Throws:
    
    java.io.IOException
  - close
```
public void close()
           throws java.io.IOException
```
    Specified by:
    
    close in interface java.io.Closeable
    
    Specified by:
    
    close in interface java.lang.AutoCloseable
    
    Specified by:
    
    close in interface java.nio.channels.Channel
    
    Throws:
    
    java.io.IOException
  - isOpen
```
public boolean isOpen()
```
    Specified by:
    
    isOpen in interface java.nio.channels.Channel
  - position
```
public long position()
```
    Returns this channel's position.
    This method violates the contract of SeekableByteChannel.position() as it will not throw any exception when invoked on a closed channel. Instead it will return the position the channel had when close has been called.
    
    Specified by:
    
    position in interface java.nio.channels.SeekableByteChannel
  - position
```
public java.nio.channels.SeekableByteChannel position(long channelNumber,
                                                      long relativeOffset)
                                               throws java.io.IOException
```
    set the position based on the given channel number and relative offset
    
    Parameters:
    
    channelNumber - the channel number
    
    relativeOffset - the relative offset in the corresponding channel
    
    Returns:
    
    global position of all channels as if they are a single channel
    
    Throws:
    
    java.io.IOException - if positioning fails
  - size
```
public long size()
          throws java.io.IOException
```
    Specified by:
    
    size in interface java.nio.channels.SeekableByteChannel
    
    Throws:
    
    java.io.IOException
  - truncate
```
public java.nio.channels.SeekableByteChannel truncate(long size)
```
    Specified by:
    
    truncate in interface java.nio.channels.SeekableByteChannel
    
    Throws:
    
    java.nio.channels.NonWritableChannelException - since this implementation is read-only.
  - write
```
public int write(java.nio.ByteBuffer src)
```
    Specified by:
    
    write in interface java.nio.channels.SeekableByteChannel
    
    Specified by:
    
    write in interface java.nio.channels.WritableByteChannel
    
    Throws:
    
    java.nio.channels.NonWritableChannelException - since this implementation is read-only.
  - position
```
public java.nio.channels.SeekableByteChannel position(long newPosition)
                                               throws java.io.IOException
```
    Specified by:
    
    position in interface java.nio.channels.SeekableByteChannel
    
    Throws:
    
    java.io.IOException
  - forSeekableByteChannels
```
public static java.nio.channels.SeekableByteChannel forSeekableByteChannels(java.nio.channels.SeekableByteChannel... channels)
```
    Concatenates the given channels.
    
    Parameters:
    
    channels - the channels to concatenate
    
    Returns:
    
    SeekableByteChannel that concatenates all provided channels
    
    Throws:
    
    java.lang.NullPointerException - if channels is null
  - forFiles
```
public static java.nio.channels.SeekableByteChannel forFiles(java.io.File... files)
                                                      throws java.io.IOException
```
    Concatenates the given files.
    
    Parameters:
    
    files - the files to concatenate
    
    Returns:
    
    SeekableByteChannel that concatenates all provided files
    
    Throws:
    
    java.lang.NullPointerException - if files is null
    
    java.io.IOException - if opening a channel for one of the files fails
  - forPaths
```
public static java.nio.channels.SeekableByteChannel forPaths(java.nio.file.Path... paths)
                                                      throws java.io.IOException
```
    Concatenates the given file paths.
    
    Parameters:
    
    paths - the file paths to concatenate, note that the LAST FILE of files should be the LAST SEGMENT(.zip) and these files should be added in correct order (e.g.: .z01, .z02... .z99, .zip)
    
    Returns:
    
    SeekableByteChannel that concatenates all provided files
    
    Throws:
    
    java.lang.NullPointerException - if files is null
    
    java.io.IOException - if opening a channel for one of the files fails
    
    java.io.IOException - if the first channel doesn't seem to hold the beginning of a split archive
    
    Since:
    
    1.22

Class MultiReadOnlySeekableByteChannel

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

MultiReadOnlySeekableByteChannel

Method Detail

read

close

isOpen

position

position

size

truncate

write

position

forSeekableByteChannels

forFiles

forPaths