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;
23 * Parses strings of digits that repesent a UPC code.
25 * @author dswitkin@google.com (Daniel Switkin)
27 final class UPCResultParser extends ResultParser {
29 private UPCResultParser() {
32 // Treat all UPC and EAN variants as UPCs, in the sense that they are all product barcodes.
33 public static UPCParsedResult parse(Result result) {
34 BarcodeFormat format = result.getBarcodeFormat();
35 if (!BarcodeFormat.UPC_A.equals(format) && !BarcodeFormat.UPC_E.equals(format) &&
36 !BarcodeFormat.EAN_8.equals(format) && !BarcodeFormat.EAN_13.equals(format)) {
39 String rawText = result.getText();
40 if (rawText == null) {
43 int length = rawText.length();
44 if (length != 12 && length != 13) {
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
54 return new UPCParsedResult(rawText);