com.pdf_tools.fourheights.pdftoolbox.internal

Class NativeStream

java.lang.Object

com.pdf_tools.fourheights.pdftoolbox.internal.NativeStream

All Implemented Interfaces:

Stream, java.lang.AutoCloseable

public class NativeStream
extends java.lang.Object
implements Stream

Constructor Summary

Constructors

Constructor and Description
NativeStream()

Method Summary

Modifier and Type	Method and Description
void	close() Close the stream
void	copy(Stream stream) Copy the content of another stream
long	getLength() Get the length of the stream in bytes
int	read(byte[] buffer, int offset, int length) Read from the stream
boolean	seek(long position) Set byte position
long	tell() Get current byte position
void	write(byte[] buffer, int offset, int length) Write to the stream

Methods inherited from class java.lang.Object

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

Constructor Detail

NativeStream

public NativeStream()

Method Detail

getLength

public long getLength()
               throws java.io.IOException

Get the length of the stream in bytes

Specified by:

getLength in interface Stream

Returns:

the length of the stream in bytes

Throws:

java.io.IOException

seek

public boolean seek(long position)
             throws java.io.IOException

Set byte position

Specified by:

seek in interface Stream

Parameters:

position - The new position of the stream (-1 for EOS)

Returns:

true if successful

Throws:

java.io.IOException

tell

public long tell()
          throws java.io.IOException

Get current byte position

Specified by:

tell in interface Stream

Returns:

byte position, -1 if position unknown

Throws:

java.io.IOException

read

public int read(byte[] buffer,
                int offset,
                int length)
         throws java.io.IOException

Read from the stream

Specified by:

read in interface Stream

Parameters:

buffer - The buffer where the data is written

offset - The starting element in the buffer

length - The maximum number of bytes to be read

Returns:

The actual number of bytes read (-1 if EOS)

Throws:

java.io.IOException

write

public void write(byte[] buffer,
                  int offset,
                  int length)
           throws java.io.IOException

Write to the stream

Specified by:

write in interface Stream

Parameters:

buffer - The buffer where the data lies

offset - The starting element in the buffer

length - The maximum number of bytes to be written

Throws:

java.io.IOException

copy

public void copy(Stream stream)
          throws java.io.IOException

Copy the content of another stream

Parameters:

stream - The stream of which the content is copied

Throws:

java.io.IOException

close

public void close()
           throws java.io.IOException

Close the stream

Specified by:

close in interface Stream

Specified by:

close in interface java.lang.AutoCloseable

Throws:

java.io.IOException