Class GeneralAppIdDecoder

java.lang.Object

com.google.zxing.oned.rss.expanded.decoders.GeneralAppIdDecoder

final class GeneralAppIdDecoder
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
private final StringBuilder	buffer
private final CurrentParsingState	current
private final BitArray	information

Constructor Summary

Constructors

Constructor	Description
GeneralAppIdDecoder(BitArray information)

Method Summary

Modifier and Type	Method	Description
(package private) String	decodeAllCodes(StringBuilder buff, int initialPosition)
private DecodedChar	decodeAlphanumeric(int pos)
(package private) DecodedInformation	decodeGeneralPurposeField(int pos, String remaining)
private DecodedChar	decodeIsoIec646(int pos)
private DecodedNumeric	decodeNumeric(int pos)
(package private) int	extractNumericValueFromBitArray(int pos, int bits)
(package private) static int	extractNumericValueFromBitArray(BitArray information, int pos, int bits)
private boolean	isAlphaOr646ToNumericLatch(int pos)
private boolean	isAlphaTo646ToAlphaLatch(int pos)
private boolean	isNumericToAlphaNumericLatch(int pos)
private boolean	isStillAlpha(int pos)
private boolean	isStillIsoIec646(int pos)
private boolean	isStillNumeric(int pos)
private BlockParsedResult	parseAlphaBlock()
private DecodedInformation	parseBlocks()
private BlockParsedResult	parseIsoIec646Block()
private BlockParsedResult	parseNumericBlock()

Methods inherited from class Object

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

Field Details

information

private final BitArray information

current

private final CurrentParsingState current

buffer

private final StringBuilder buffer

Constructor Details

GeneralAppIdDecoder

GeneralAppIdDecoder(BitArray information)

Method Details

decodeAllCodes

String decodeAllCodes(StringBuilder buff,
 int initialPosition)
               throws NotFoundException,
FormatException

Throws:

NotFoundException

FormatException

isStillNumeric

private boolean isStillNumeric(int pos)

decodeNumeric

private DecodedNumeric decodeNumeric(int pos)
                              throws FormatException

Throws:

FormatException

extractNumericValueFromBitArray

int extractNumericValueFromBitArray(int pos,
 int bits)

extractNumericValueFromBitArray

static int extractNumericValueFromBitArray(BitArray information,
 int pos,
 int bits)

decodeGeneralPurposeField

DecodedInformation decodeGeneralPurposeField(int pos,
 String remaining)
                                      throws FormatException

Throws:

FormatException

parseBlocks

private DecodedInformation parseBlocks()
                                throws FormatException

Throws:

FormatException

parseNumericBlock

private BlockParsedResult parseNumericBlock()
                                     throws FormatException

Throws:

FormatException

parseIsoIec646Block

private BlockParsedResult parseIsoIec646Block()
                                       throws FormatException

Throws:

FormatException

parseAlphaBlock

private BlockParsedResult parseAlphaBlock()

isStillIsoIec646

private boolean isStillIsoIec646(int pos)

decodeIsoIec646

private DecodedChar decodeIsoIec646(int pos)
                             throws FormatException

Throws:

FormatException

isStillAlpha

private boolean isStillAlpha(int pos)

decodeAlphanumeric

private DecodedChar decodeAlphanumeric(int pos)

isAlphaTo646ToAlphaLatch

private boolean isAlphaTo646ToAlphaLatch(int pos)

isAlphaOr646ToNumericLatch

private boolean isAlphaOr646ToNumericLatch(int pos)

isNumericToAlphaNumericLatch

private boolean isNumericToAlphaNumericLatch(int pos)