2 * Copyright 2007 ZXing authors
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 package com.google.zxing.client.result;
19 import com.google.zxing.BarcodeFormat;
20 import com.google.zxing.Result;
21 import com.google.zxing.oned.UPCEReader;
24 * Parses strings of digits that repesent a UPC code.
26 * @author dswitkin@google.com (Daniel Switkin)
28 final class ProductResultParser extends ResultParser {
30 private ProductResultParser() {
33 // Treat all UPC and EAN variants as UPCs, in the sense that they are all product barcodes.
34 public static ProductParsedResult parse(Result result) {
35 BarcodeFormat format = result.getBarcodeFormat();
36 if (!(BarcodeFormat.UPC_A.equals(format) || BarcodeFormat.UPC_E.equals(format) ||
37 BarcodeFormat.EAN_8.equals(format) || BarcodeFormat.EAN_13.equals(format))) {
40 // Really neither of these should happen:
41 String rawText = result.getText();
42 if (rawText == null) {
46 int length = rawText.length();
47 for (int x = 0; x < length; x++) {
48 char c = rawText.charAt(x);
49 if (c < '0' || c > '9') {
53 // Not actually checking the checksum again here
55 String normalizedProductID;
56 // Expand UPC-E for purposes of searching
57 if (BarcodeFormat.UPC_E.equals(format)) {
58 normalizedProductID = UPCEReader.convertUPCEtoUPCA(rawText);
60 normalizedProductID = rawText;
63 return new ProductParsedResult(rawText, normalizedProductID);