org.apache.pdfbox.filter
Class IdentityFilter

java.lang.Object
  org.apache.pdfbox.filter.IdentityFilter

All Implemented Interfaces:

Filter

public class IdentityFilter
extends Object
implements Filter

The IdentityFilter filter just passes the data through without any modifications. This is defined in section 7.6.5 of the PDF 1.7 spec and also stated in table 26.

Author:

adam.nichols

Constructor Summary

IdentityFilter()

Method Summary

void	decode(InputStream compressedData, OutputStream result, COSDictionary options, int filterIndex) This will decode some compressed data.
void	encode(InputStream rawData, OutputStream result, COSDictionary options, int filterIndex) This will encode some data.

Methods inherited from class java.lang.Object

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

Constructor Detail

IdentityFilter

public IdentityFilter()

Method Detail

decode

public void decode(InputStream compressedData,
                   OutputStream result,
                   COSDictionary options,
                   int filterIndex)
            throws IOException

This will decode some compressed data.

Specified by:

decode in interface Filter

Parameters:

compressedData - The compressed byte stream.

result - The place to write the uncompressed byte stream.

options - The options to use to encode the data.

filterIndex - The index to the filter being decoded.

Throws:

IOException - If there is an error decompressing the stream.

encode

public void encode(InputStream rawData,
                   OutputStream result,
                   COSDictionary options,
                   int filterIndex)
            throws IOException

This will encode some data.

Specified by:

encode in interface Filter

Parameters:

rawData - The raw data to encode.

result - The place to write to encoded results to.

options - The options to use to encode the data.

filterIndex - The index to the filter being encoded.

Throws:

IOException - If there is an error compressing the stream.