de.intarsys.pdf.filter
Class Filter

java.lang.Object
  de.intarsys.pdf.filter.Filter

All Implemented Interfaces:

IFilter

Direct Known Subclasses:

CCITTFaxFilter, CryptFilter, DCTFilter, JBIG2Filter, JPXFilter, LZWFilter, StreamBasedFilter

public abstract class Filter
extends Object
implements IFilter

The abstract superclass for the implementation of IFilter.

Field Summary

static COSName	CN_Filter_A85
static COSName	CN_Filter_AHx
static COSName	CN_Filter_ASCII85Decode
static COSName	CN_Filter_ASCIIHexDecode
static COSName	CN_Filter_CCF
static COSName	CN_Filter_CCITTFaxDecode
static COSName	CN_Filter_Crypt
static COSName	CN_Filter_DCT
static COSName	CN_Filter_DCTDecode
static COSName	CN_Filter_Fl
static COSName	CN_Filter_FlateDecode
static COSName	CN_Filter_JBIG2Decode
static COSName	CN_Filter_JPXDecode
static COSName	CN_Filter_LZW
static COSName	CN_Filter_LZWDecode
static COSName	CN_Filter_RL
static COSName	CN_Filter_RunLengthDecode

Constructor Summary

Filter(COSDictionary paramOptions)

Method Summary

byte[]	decode(byte[] source, int offset, int length)
byte[]	encode(byte[] source, int offset, int length)
boolean	getOptionFieldBoolean(COSName name, boolean defaultValue)
int	getOptionFieldInt(COSName name, int defaultValue)
COSDictionary	getOptions()
COSStream	getStream()
void	setStream(COSStream stream)

Methods inherited from class java.lang.Object

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

Field Detail

CN_Filter_A85

public static final COSName CN_Filter_A85

CN_Filter_AHx

public static final COSName CN_Filter_AHx

CN_Filter_ASCII85Decode

public static final COSName CN_Filter_ASCII85Decode

CN_Filter_ASCIIHexDecode

public static final COSName CN_Filter_ASCIIHexDecode

CN_Filter_CCF

public static final COSName CN_Filter_CCF

CN_Filter_CCITTFaxDecode

public static final COSName CN_Filter_CCITTFaxDecode

CN_Filter_Crypt

public static final COSName CN_Filter_Crypt

CN_Filter_DCT

public static final COSName CN_Filter_DCT

CN_Filter_DCTDecode

public static final COSName CN_Filter_DCTDecode

CN_Filter_Fl

public static final COSName CN_Filter_Fl

CN_Filter_FlateDecode

public static final COSName CN_Filter_FlateDecode

CN_Filter_JBIG2Decode

public static final COSName CN_Filter_JBIG2Decode

CN_Filter_JPXDecode

public static final COSName CN_Filter_JPXDecode

CN_Filter_LZW

public static final COSName CN_Filter_LZW

CN_Filter_LZWDecode

public static final COSName CN_Filter_LZWDecode

CN_Filter_RL

public static final COSName CN_Filter_RL

CN_Filter_RunLengthDecode

public static final COSName CN_Filter_RunLengthDecode

Constructor Detail

Filter

public Filter(COSDictionary paramOptions)

Method Detail

decode

public byte[] decode(byte[] source,
                     int offset,
                     int length)
              throws IOException

Specified by:

decode in interface IFilter

Throws:

IOException

encode

public byte[] encode(byte[] source,
                     int offset,
                     int length)
              throws IOException

Specified by:

encode in interface IFilter

Throws:

IOException

getOptionFieldBoolean

public boolean getOptionFieldBoolean(COSName name,
                                     boolean defaultValue)

getOptionFieldInt

public int getOptionFieldInt(COSName name,
                             int defaultValue)

Parameters:

name -

defaultValue -

Returns:

the integer value of the entry named #name or the specified default value if not present

getOptions

public COSDictionary getOptions()

getStream

public COSStream getStream()

Specified by:

getStream in interface IFilter

setStream

public void setStream(COSStream stream)

Specified by:

setStream in interface IFilter