com.google.zxing.oned.rss.expanded.decoders.FieldParser Maven / Gradle / Ivy
/*
* Copyright (C) 2010 ZXing authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* These authors would like to acknowledge the Spanish Ministry of Industry,
* Tourism and Trade, for the support in the project TSI020301-2008-2
* "PIRAmIDE: Personalizable Interactions with Resources on AmI-enabled
* Mobile Dynamic Environments", led by Treelogic
* ( http://www.treelogic.com/ ):
*
* http://www.piramidepse.com/
*/
package com.google.zxing.oned.rss.expanded.decoders;
import com.google.zxing.NotFoundException;
import java.util.HashMap;
import java.util.Map;
/**
* @author Pablo Orduña, University of Deusto ([email protected])
* @author Eduardo Castillejo, University of Deusto ([email protected])
*/
final class FieldParser {
private static final Map TWO_DIGIT_DATA_LENGTH = new HashMap<>();
static {
TWO_DIGIT_DATA_LENGTH.put("00", DataLength.fixed(18));
TWO_DIGIT_DATA_LENGTH.put("01", DataLength.fixed(14));
TWO_DIGIT_DATA_LENGTH.put("02", DataLength.fixed(14));
TWO_DIGIT_DATA_LENGTH.put("10", DataLength.variable(20));
TWO_DIGIT_DATA_LENGTH.put("11", DataLength.fixed(6));
TWO_DIGIT_DATA_LENGTH.put("12", DataLength.fixed(6));
TWO_DIGIT_DATA_LENGTH.put("13", DataLength.fixed(6));
TWO_DIGIT_DATA_LENGTH.put("15", DataLength.fixed(6));
TWO_DIGIT_DATA_LENGTH.put("17", DataLength.fixed(6));
TWO_DIGIT_DATA_LENGTH.put("20", DataLength.fixed(2));
TWO_DIGIT_DATA_LENGTH.put("21", DataLength.variable(20));
TWO_DIGIT_DATA_LENGTH.put("22", DataLength.variable(29));
TWO_DIGIT_DATA_LENGTH.put("30", DataLength.variable(8));
TWO_DIGIT_DATA_LENGTH.put("37", DataLength.variable(8));
//internal company codes
for (int i = 90; i <= 99; i++) {
TWO_DIGIT_DATA_LENGTH.put(String.valueOf(i), DataLength.variable(30));
}
}
private static final Map THREE_DIGIT_DATA_LENGTH = new HashMap<>();
static {
THREE_DIGIT_DATA_LENGTH.put("240", DataLength.variable(30));
THREE_DIGIT_DATA_LENGTH.put("241", DataLength.variable(30));
THREE_DIGIT_DATA_LENGTH.put("242", DataLength.variable(6));
THREE_DIGIT_DATA_LENGTH.put("250", DataLength.variable(30));
THREE_DIGIT_DATA_LENGTH.put("251", DataLength.variable(30));
THREE_DIGIT_DATA_LENGTH.put("253", DataLength.variable(17));
THREE_DIGIT_DATA_LENGTH.put("254", DataLength.variable(20));
THREE_DIGIT_DATA_LENGTH.put("400", DataLength.variable(30));
THREE_DIGIT_DATA_LENGTH.put("401", DataLength.variable(30));
THREE_DIGIT_DATA_LENGTH.put("402", DataLength.fixed(17));
THREE_DIGIT_DATA_LENGTH.put("403", DataLength.variable(30));
THREE_DIGIT_DATA_LENGTH.put("410", DataLength.fixed(13));
THREE_DIGIT_DATA_LENGTH.put("411", DataLength.fixed(13));
THREE_DIGIT_DATA_LENGTH.put("412", DataLength.fixed(13));
THREE_DIGIT_DATA_LENGTH.put("413", DataLength.fixed(13));
THREE_DIGIT_DATA_LENGTH.put("414", DataLength.fixed(13));
THREE_DIGIT_DATA_LENGTH.put("420", DataLength.variable(20));
THREE_DIGIT_DATA_LENGTH.put("421", DataLength.variable(15));
THREE_DIGIT_DATA_LENGTH.put("422", DataLength.fixed(3));
THREE_DIGIT_DATA_LENGTH.put("423", DataLength.variable(15));
THREE_DIGIT_DATA_LENGTH.put("424", DataLength.fixed(3));
THREE_DIGIT_DATA_LENGTH.put("425", DataLength.fixed(3));
THREE_DIGIT_DATA_LENGTH.put("426", DataLength.fixed(3));
}
private static final Map THREE_DIGIT_PLUS_DIGIT_DATA_LENGTH = new HashMap<>();
static {
for (int i = 310; i <= 316; i++) {
THREE_DIGIT_PLUS_DIGIT_DATA_LENGTH.put(String.valueOf(i), DataLength.fixed(6));
}
for (int i = 320; i <= 336; i++) {
THREE_DIGIT_PLUS_DIGIT_DATA_LENGTH.put(String.valueOf(i), DataLength.fixed(6));
}
for (int i = 340; i <= 357; i++) {
THREE_DIGIT_PLUS_DIGIT_DATA_LENGTH.put(String.valueOf(i), DataLength.fixed(6));
}
for (int i = 360; i <= 369; i++) {
THREE_DIGIT_PLUS_DIGIT_DATA_LENGTH.put(String.valueOf(i), DataLength.fixed(6));
}
THREE_DIGIT_PLUS_DIGIT_DATA_LENGTH.put("390", DataLength.variable(15));
THREE_DIGIT_PLUS_DIGIT_DATA_LENGTH.put("391", DataLength.variable(18));
THREE_DIGIT_PLUS_DIGIT_DATA_LENGTH.put("392", DataLength.variable(15));
THREE_DIGIT_PLUS_DIGIT_DATA_LENGTH.put("393", DataLength.variable(18));
THREE_DIGIT_PLUS_DIGIT_DATA_LENGTH.put("703", DataLength.variable(30));
}
private static final Map FOUR_DIGIT_DATA_LENGTH = new HashMap<>();
static {
FOUR_DIGIT_DATA_LENGTH.put("7001", DataLength.fixed(13));
FOUR_DIGIT_DATA_LENGTH.put("7002", DataLength.variable(30));
FOUR_DIGIT_DATA_LENGTH.put("7003", DataLength.fixed(10));
FOUR_DIGIT_DATA_LENGTH.put("8001", DataLength.fixed(14));
FOUR_DIGIT_DATA_LENGTH.put("8002", DataLength.variable(20));
FOUR_DIGIT_DATA_LENGTH.put("8003", DataLength.variable(30));
FOUR_DIGIT_DATA_LENGTH.put("8004", DataLength.variable(30));
FOUR_DIGIT_DATA_LENGTH.put("8005", DataLength.fixed(6));
FOUR_DIGIT_DATA_LENGTH.put("8006", DataLength.fixed(18));
FOUR_DIGIT_DATA_LENGTH.put("8007", DataLength.variable(30));
FOUR_DIGIT_DATA_LENGTH.put("8008", DataLength.variable(12));
FOUR_DIGIT_DATA_LENGTH.put("8018", DataLength.fixed(18));
FOUR_DIGIT_DATA_LENGTH.put("8020", DataLength.variable(25));
FOUR_DIGIT_DATA_LENGTH.put("8100", DataLength.fixed(6));
FOUR_DIGIT_DATA_LENGTH.put("8101", DataLength.fixed(10));
FOUR_DIGIT_DATA_LENGTH.put("8102", DataLength.fixed(2));
FOUR_DIGIT_DATA_LENGTH.put("8110", DataLength.variable(70));
FOUR_DIGIT_DATA_LENGTH.put("8200", DataLength.variable(70));
}
private FieldParser() {
}
static String parseFieldsInGeneralPurpose(String rawInformation) throws NotFoundException {
if (rawInformation.isEmpty()) {
return null;
}
// Processing 2-digit AIs
if (rawInformation.length() < 2) {
throw NotFoundException.getNotFoundInstance();
}
DataLength twoDigitDataLength = TWO_DIGIT_DATA_LENGTH.get(rawInformation.substring(0, 2));
if (twoDigitDataLength != null) {
if (twoDigitDataLength.variable) {
return processVariableAI(2, twoDigitDataLength.length, rawInformation);
}
return processFixedAI(2, twoDigitDataLength.length, rawInformation);
}
if (rawInformation.length() < 3) {
throw NotFoundException.getNotFoundInstance();
}
String firstThreeDigits = rawInformation.substring(0, 3);
DataLength threeDigitDataLength = THREE_DIGIT_DATA_LENGTH.get(firstThreeDigits);
if (threeDigitDataLength != null) {
if (threeDigitDataLength.variable) {
return processVariableAI(3, threeDigitDataLength.length, rawInformation);
}
return processFixedAI(3, threeDigitDataLength.length, rawInformation);
}
if (rawInformation.length() < 4) {
throw NotFoundException.getNotFoundInstance();
}
DataLength threeDigitPlusDigitDataLength = THREE_DIGIT_PLUS_DIGIT_DATA_LENGTH.get(firstThreeDigits);
if (threeDigitPlusDigitDataLength != null) {
if (threeDigitPlusDigitDataLength.variable) {
return processVariableAI(4, threeDigitPlusDigitDataLength.length, rawInformation);
}
return processFixedAI(4, threeDigitPlusDigitDataLength.length, rawInformation);
}
DataLength firstFourDigitLength = FOUR_DIGIT_DATA_LENGTH.get(rawInformation.substring(0, 4));
if (firstFourDigitLength != null) {
if (firstFourDigitLength.variable) {
return processVariableAI(4, firstFourDigitLength.length, rawInformation);
}
return processFixedAI(4, firstFourDigitLength.length, rawInformation);
}
throw NotFoundException.getNotFoundInstance();
}
private static String processFixedAI(int aiSize, int fieldSize, String rawInformation) throws NotFoundException {
if (rawInformation.length() < aiSize) {
throw NotFoundException.getNotFoundInstance();
}
String ai = rawInformation.substring(0, aiSize);
if (rawInformation.length() < aiSize + fieldSize) {
throw NotFoundException.getNotFoundInstance();
}
String field = rawInformation.substring(aiSize, aiSize + fieldSize);
String remaining = rawInformation.substring(aiSize + fieldSize);
String result = '(' + ai + ')' + field;
String parsedAI = parseFieldsInGeneralPurpose(remaining);
return parsedAI == null ? result : result + parsedAI;
}
private static String processVariableAI(int aiSize, int variableFieldSize, String rawInformation)
throws NotFoundException {
String ai = rawInformation.substring(0, aiSize);
int maxSize = Math.min(rawInformation.length(), aiSize + variableFieldSize);
String field = rawInformation.substring(aiSize, maxSize);
String remaining = rawInformation.substring(maxSize);
String result = '(' + ai + ')' + field;
String parsedAI = parseFieldsInGeneralPurpose(remaining);
return parsedAI == null ? result : result + parsedAI;
}
private static final class DataLength {
final boolean variable;
final int length;
private DataLength(boolean variable, int length) {
this.variable = variable;
this.length = length;
}
static DataLength fixed(int length) {
return new DataLength(false, length);
}
static DataLength variable(int length) {
return new DataLength(true, length);
}
}
}
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