| /* |
| * 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. |
| */ |
| |
| package com.google.zxing.oned; |
| |
| import com.google.zxing.NotFoundException; |
| import com.google.zxing.ReaderException; |
| import com.google.zxing.Result; |
| import com.google.zxing.common.BitArray; |
| |
| final class UPCEANExtensionSupport { |
| |
| private static final int[] EXTENSION_START_PATTERN = {1,1,2}; |
| |
| private final UPCEANExtension2Support twoSupport = new UPCEANExtension2Support(); |
| private final UPCEANExtension5Support fiveSupport = new UPCEANExtension5Support(); |
| |
| Result decodeRow(int rowNumber, BitArray row, int rowOffset) throws NotFoundException { |
| int[] extensionStartRange = UPCEANReader.findGuardPattern(row, rowOffset, false, EXTENSION_START_PATTERN); |
| try { |
| return fiveSupport.decodeRow(rowNumber, row, extensionStartRange); |
| } catch (ReaderException ignored) { |
| return twoSupport.decodeRow(rowNumber, row, extensionStartRange); |
| } |
| } |
| |
| } |