org.apache.pdfbox.pdfparser

Class SignatureParser

java.lang.Object

org.apache.pdfbox.pdfparser.BaseParser

org.apache.pdfbox.pdfparser.SignatureParser

public class SignatureParser
extends BaseParser

Class is extension of BaseParser for parsing of digital signature dictionaries. It calculates byte range of digital signature.

Author:

Sergey Shemyakov

Field Summary

Fields inherited from class org.apache.pdfbox.pdfparser.BaseParser

A, ASCII_CR, ASCII_LF, B, D, DEF, document, E, ENDOBJ_STRING, ENDSTREAM_STRING, J, M, N, O, pdfSource, PROP_PUSHBACK_SIZE, R, S, STREAM_STRING, T, validationParsing

Constructor Summary

Constructors

Constructor and Description
SignatureParser(RandomAccessRead stream, COSDocument document) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
long[]	getByteRangeBySignatureOffset(long signatureOffset) Calculates actual byte range of signature.

Methods inherited from class org.apache.pdfbox.pdfparser.BaseParser

isClosing, isClosing, isDigit, isDigit, isEndOfName, isEOL, isEOL, isSpace, isSpace, isWhitespace, isWhitespace, parseBoolean, parseCOSArray, parseCOSDictionary, parseCOSName, parseCOSString, parseDirObject, readExpectedChar, readExpectedString, readExpectedString, readGenerationNumber, readInt, readLine, readLineWithoutWhitespacesSkip, readLong, readObjectNumber, readString, readString, readStringNumber, skipSpaces, skipWhiteSpaces

Methods inherited from class java.lang.Object

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

Constructor Detail

SignatureParser

public SignatureParser(RandomAccessRead stream,
               COSDocument document)
                throws IOException

Constructor.

Parameters:

stream - The COS stream to read the data from.

Throws:

IOException - If there is an error reading the input stream.

Method Detail

getByteRangeBySignatureOffset

public long[] getByteRangeBySignatureOffset(long signatureOffset)
                                     throws IOException

Calculates actual byte range of signature.

Returns:

array of 4 longs, which is byte range array.

Throws:

IOException