com.lf.vfslib.io

Class VFSRandomAccessContent

java.lang.Object

org.apache.commons.vfs2.provider.AbstractRandomAccessContent

org.apache.commons.vfs2.provider.AbstractRandomAccessStreamContent

com.lf.vfslib.io.VFSRandomAccessContent

All Implemented Interfaces:

Closeable, DataInput, DataOutput, AutoCloseable, org.apache.commons.vfs2.RandomAccessContent

public class VFSRandomAccessContent
extends org.apache.commons.vfs2.provider.AbstractRandomAccessStreamContent

Random access content.

For example the Dropbox API does not provide native random access, so this implementation is not optimized.

Since:

2.8

Author:

Axel Schwolow

Constructor Summary

Constructors

Constructor and Description
VFSRandomAccessContent(org.apache.commons.vfs2.provider.AbstractFileObject fileobject, org.apache.commons.vfs2.util.RandomAccessMode mode) Constructor method.

Method Summary

Modifier and Type	Method and Description
void	close() Closes this random access content.
long	getFilePointer() Provides the current position in file.
long	length() Provides the total length of the underlying file.
void	seek(long pos) Seeks the given position in file.

Methods inherited from class org.apache.commons.vfs2.provider.AbstractRandomAccessStreamContent

getInputStream, readBoolean, readByte, readChar, readDouble, readFloat, readFully, readFully, readInt, readLong, readShort, readUnsignedByte, readUnsignedShort, readUTF, setLength, skipBytes

Methods inherited from class org.apache.commons.vfs2.provider.AbstractRandomAccessContent

readLine, write, write, write, writeBoolean, writeByte, writeBytes, writeChar, writeChars, writeDouble, writeFloat, writeInt, writeLong, writeShort, writeUTF

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

VFSRandomAccessContent

public VFSRandomAccessContent(org.apache.commons.vfs2.provider.AbstractFileObject fileobject,
                              org.apache.commons.vfs2.util.RandomAccessMode mode)

Constructor method.

Parameters:

fileobject - The underlying file object

mode - The mode for random access

Throws:

NullPointerException - If parameters are null

Since:

1.6

Method Detail

getFilePointer

public long getFilePointer()

Provides the current position in file.

Returns:

The position

Since:

1.6

seek

public void seek(long pos)
          throws IOException

Seeks the given position in file.

Parameters:

pos - The position

Throws:

IOException - If something goes wrong

Since:

1.6

close

public void close()
           throws IOException

Closes this random access content.

Throws:

IOException - If something goes wrong

Since:

1.6

length

public long length()
            throws IOException

Provides the total length of the underlying file.

Returns:

The length

Throws:

IOException - If something goes wrong

Since:

1.6