Package org.apache.pdfbox.filter

Class ASCIIHexFilter

java.lang.Object

org.apache.pdfbox.filter.Filter

org.apache.pdfbox.filter.ASCIIHexFilter

final class ASCIIHexFilter
extends Filter

Decodes data encoded in an ASCII hexadecimal form, reproducing the original binary data.

Field Summary

Fields

Modifier and Type	Field	Description
private static final org.apache.commons.logging.Log	LOG
private static final int[]	REVERSE_HEX

Fields inherited from class org.apache.pdfbox.filter.Filter

SYSPROP_DEFLATELEVEL

Constructor Summary

Constructors

Constructor	Description
ASCIIHexFilter()

Method Summary

Modifier and Type	Method	Description
DecodeResult	decode(InputStream encoded, OutputStream decoded, COSDictionary parameters, int index)	Decodes data, producing the original non-encoded data.
void	encode(InputStream input, OutputStream encoded, COSDictionary parameters)
private boolean	isEOD(int c)
private boolean	isWhitespace(int c)

Methods inherited from class org.apache.pdfbox.filter.Filter

decode, encode, findImageReader, getCompressionLevel, getDecodeParams

Methods inherited from class java.lang.Object

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

Field Details

LOG

private static final org.apache.commons.logging.Log LOG

REVERSE_HEX

private static final int[] REVERSE_HEX

Constructor Details

ASCIIHexFilter

ASCIIHexFilter()

Method Details

decode

public DecodeResult decode(InputStream encoded,
 OutputStream decoded,
 COSDictionary parameters,
 int index)
                    throws IOException

Description copied from class: Filter

Decodes data, producing the original non-encoded data.

Specified by:

decode in class Filter

Parameters:

encoded - the encoded byte stream

decoded - the stream where decoded data will be written

parameters - the parameters used for decoding

index - the index to the filter being decoded

Returns:

repaired parameters dictionary, or the original parameters dictionary

Throws:

IOException - if the stream cannot be decoded

isWhitespace

private boolean isWhitespace(int c)

isEOD

private boolean isEOD(int c)

encode

public void encode(InputStream input,
 OutputStream encoded,
 COSDictionary parameters)
            throws IOException

Specified by:

encode in class Filter

Throws:

IOException