/* * 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.Zxing.Demo.decoding; import android.content.Intent; import android.net.Uri; import com.google.zxing.BarcodeFormat; import java.util.Arrays; import java.util.List; import java.util.Vector; import java.util.regex.Pattern; final class DecodeFormatManager { private static final Pattern COMMA_PATTERN = Pattern.compile(","); static final Vector<BarcodeFormat> PRODUCT_FORMATS; static final Vector<BarcodeFormat> ONE_D_FORMATS; static final Vector<BarcodeFormat> QR_CODE_FORMATS; static final Vector<BarcodeFormat> DATA_MATRIX_FORMATS; static { PRODUCT_FORMATS = new Vector<BarcodeFormat>(5); PRODUCT_FORMATS.add(BarcodeFormat.UPC_A); PRODUCT_FORMATS.add(BarcodeFormat.UPC_E); PRODUCT_FORMATS.add(BarcodeFormat.EAN_13); PRODUCT_FORMATS.add(BarcodeFormat.EAN_8); PRODUCT_FORMATS.add(BarcodeFormat.RSS_14); ONE_D_FORMATS = new Vector<BarcodeFormat>(PRODUCT_FORMATS.size() + 4); ONE_D_FORMATS.addAll(PRODUCT_FORMATS); ONE_D_FORMATS.add(BarcodeFormat.CODE_39); ONE_D_FORMATS.add(BarcodeFormat.CODE_93); ONE_D_FORMATS.add(BarcodeFormat.CODE_128); ONE_D_FORMATS.add(BarcodeFormat.ITF); QR_CODE_FORMATS = new Vector<BarcodeFormat>(1); QR_CODE_FORMATS.add(BarcodeFormat.QR_CODE); DATA_MATRIX_FORMATS = new Vector<BarcodeFormat>(1); DATA_MATRIX_FORMATS.add(BarcodeFormat.DATA_MATRIX); } private DecodeFormatManager() {} static Vector<BarcodeFormat> parseDecodeFormats(Intent intent) { List<String> scanFormats = null; String scanFormatsString = intent.getStringExtra(Intents.Scan.SCAN_FORMATS); if (scanFormatsString != null) { scanFormats = Arrays.asList(COMMA_PATTERN.split(scanFormatsString)); } return parseDecodeFormats(scanFormats, intent.getStringExtra(Intents.Scan.MODE)); } static Vector<BarcodeFormat> parseDecodeFormats(Uri inputUri) { List<String> formats = inputUri.getQueryParameters(Intents.Scan.SCAN_FORMATS); if (formats != null && formats.size() == 1 && formats.get(0) != null){ formats = Arrays.asList(COMMA_PATTERN.split(formats.get(0))); } return parseDecodeFormats(formats, inputUri.getQueryParameter(Intents.Scan.MODE)); } private static Vector<BarcodeFormat> parseDecodeFormats(Iterable<String> scanFormats, String decodeMode) { if (scanFormats != null) { Vector<BarcodeFormat> formats = new Vector<BarcodeFormat>(); try { for (String format : scanFormats) { formats.add(BarcodeFormat.valueOf(format)); } return formats; } catch (IllegalArgumentException iae) { // ignore it then } } if (decodeMode != null) { if (Intents.Scan.PRODUCT_MODE.equals(decodeMode)) { return PRODUCT_FORMATS; } if (Intents.Scan.QR_CODE_MODE.equals(decodeMode)) { return QR_CODE_FORMATS; } if (Intents.Scan.DATA_MATRIX_MODE.equals(decodeMode)) { return DATA_MATRIX_FORMATS; } if (Intents.Scan.ONE_D_MODE.equals(decodeMode)) { return ONE_D_FORMATS; } } return null; } }