--- /dev/null
+/*
+ * 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.client.result;
+
+import java.util.Hashtable;
+
+import com.google.zxing.BarcodeFormat;
+import com.google.zxing.Result;
+
+/**
+ * Parses strings of digits that represent a RSS Extended code.
+ *
+ * @author Antonio Manuel Benjumea Conde, Servinform, S.A.
+ * @author AgustÃn Delgado, Servinform, S.A.
+ */
+final class ExpandedProductResultParser extends ResultParser {
+
+ private ExpandedProductResultParser() {
+ }
+
+ // Treat all RSS EXPANDED, in the sense that they are all
+ // product barcodes with complementary data.
+ public static ExpandedProductParsedResult parse(Result result) {
+ BarcodeFormat format = result.getBarcodeFormat();
+ if (!(BarcodeFormat.RSS_EXPANDED.equals(format))) {
+ // ExtendedProductParsedResult NOT created. Not a RSS Expanded barcode
+ return null;
+ }
+ // Really neither of these should happen:
+ String rawText = result.getText();
+ if (rawText == null) {
+ // ExtendedProductParsedResult NOT created. Input text is NULL
+ return null;
+ }
+
+ String productID = "-";
+ String sscc = "-";
+ String lotNumber = "-";
+ String productionDate = "-";
+ String packagingDate = "-";
+ String bestBeforeDate = "-";
+ String expirationDate = "-";
+ String weight = "-";
+ String weightType = "-";
+ String weightIncrement = "-";
+ String price = "-";
+ String priceIncrement = "-";
+ String priceCurrency = "-";
+ Hashtable uncommonAIs = new Hashtable();
+
+ int i = 0;
+
+ while (i < rawText.length()) {
+ String ai = findAIvalue(i, rawText);
+ if ("ERROR".equals(ai)) {
+ // Error. Code doesn't match with RSS expanded pattern
+ // ExtendedProductParsedResult NOT created. Not match with RSS Expanded pattern
+ return null;
+ }
+ i += ai.length() + 2;
+ String value = findValue(i, rawText);
+ i += value.length();
+
+ if ("00".equals(ai)) {
+ sscc = value;
+ } else if ("01".equals(ai)) {
+ productID = value;
+ } else if ("10".equals(ai)) {
+ lotNumber = value;
+ } else if ("11".equals(ai)) {
+ productionDate = value;
+ } else if ("13".equals(ai)) {
+ packagingDate = value;
+ } else if ("15".equals(ai)) {
+ bestBeforeDate = value;
+ } else if ("17".equals(ai)) {
+ expirationDate = value;
+ } else if ("3100".equals(ai) || "3101".equals(ai)
+ || "3102".equals(ai) || "3103".equals(ai)
+ || "3104".equals(ai) || "3105".equals(ai)
+ || "3106".equals(ai) || "3107".equals(ai)
+ || "3108".equals(ai) || "3109".equals(ai)) {
+ weight = value;
+ weightType = ExpandedProductParsedResult.KILOGRAM;
+ weightIncrement = ai.substring(3);
+ } else if ("3200".equals(ai) || "3201".equals(ai)
+ || "3202".equals(ai) || "3203".equals(ai)
+ || "3204".equals(ai) || "3205".equals(ai)
+ || "3206".equals(ai) || "3207".equals(ai)
+ || "3208".equals(ai) || "3209".equals(ai)) {
+ weight = value;
+ weightType = ExpandedProductParsedResult.POUND;
+ weightIncrement = ai.substring(3);
+ } else if ("3920".equals(ai) || "3921".equals(ai)
+ || "3922".equals(ai) || "3923".equals(ai)) {
+ price = value;
+ priceIncrement = ai.substring(3);
+ } else if ("3930".equals(ai) || "3931".equals(ai)
+ || "3932".equals(ai) || "3933".equals(ai)) {
+ if (value.length() < 4) {
+ // The value must have more of 3 symbols (3 for currency and
+ // 1 at least for the price)
+ // ExtendedProductParsedResult NOT created. Not match with RSS Expanded pattern
+ return null;
+ }
+ price = value.substring(3);
+ priceCurrency = value.substring(0, 3);
+ priceIncrement = ai.substring(3);
+ } else {
+ // No match with common AIs
+ uncommonAIs.put(ai, value);
+ }
+ }
+
+ return new ExpandedProductParsedResult(productID, sscc, lotNumber,
+ productionDate, packagingDate, bestBeforeDate, expirationDate,
+ weight, weightType, weightIncrement, price, priceIncrement,
+ priceCurrency, uncommonAIs);
+ }
+
+ private static String findAIvalue(int i, String rawText) {
+ StringBuffer buf = new StringBuffer();
+ char c = rawText.charAt(i);
+ // First character must be a open parenthesis.If not, ERROR
+ if (c != '(') {
+ return "ERROR";
+ }
+
+ String rawTextAux = rawText.substring(i + 1);
+
+ for (int index = 0; index < rawTextAux.length(); index++) {
+ char currentChar = rawTextAux.charAt(index);
+ switch (currentChar){
+ case '0':
+ case '1':
+ case '2':
+ case '3':
+ case '4':
+ case '5':
+ case '6':
+ case '7':
+ case '8':
+ case '9':
+ buf.append(currentChar);
+ break;
+ case ')':
+ return buf.toString();
+ default:
+ return "ERROR";
+ }
+ }
+ return buf.toString();
+ }
+
+ private static String findValue(int i, String rawText) {
+ StringBuffer buf = new StringBuffer();
+ String rawTextAux = rawText.substring(i);
+
+ for (int index = 0; index < rawTextAux.length(); index++) {
+ char c = rawTextAux.charAt(index);
+ if (c == '(') {
+ // We look for a new AI. If it doesn't exist (ERROR), we coninue
+ // with the iteration
+ if ("ERROR".equals(findAIvalue(index, rawTextAux))) {
+ buf.append(c);
+ } else {
+ break;
+ }
+ } else {
+ buf.append(c);
+ }
+ }
+ return buf.toString();
+ }
+}
projects / zxing.git / blobdiff