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107 lines
3.6 KiB
107 lines
3.6 KiB
package com.geogle.zxing.decoding;/*
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* Copyright (C) 2010 ZXing authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import android.content.Intent;
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import android.net.Uri;
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import com.google.zxing.BarcodeFormat;
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import java.util.Arrays;
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import java.util.List;
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import java.util.Vector;
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import java.util.regex.Pattern;
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final class DecodeFormatManager {
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private static final Pattern COMMA_PATTERN = Pattern.compile(",");
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static final Vector<BarcodeFormat> PRODUCT_FORMATS;
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static final Vector<BarcodeFormat> ONE_D_FORMATS;
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static final Vector<BarcodeFormat> QR_CODE_FORMATS;
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static final Vector<BarcodeFormat> DATA_MATRIX_FORMATS;
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static {
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PRODUCT_FORMATS = new Vector<BarcodeFormat>(5);
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PRODUCT_FORMATS.add(BarcodeFormat.UPC_A);
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PRODUCT_FORMATS.add(BarcodeFormat.UPC_E);
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PRODUCT_FORMATS.add(BarcodeFormat.EAN_13);
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PRODUCT_FORMATS.add(BarcodeFormat.EAN_8);
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ONE_D_FORMATS = new Vector<BarcodeFormat>(PRODUCT_FORMATS.size() + 4);
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ONE_D_FORMATS.addAll(PRODUCT_FORMATS);
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ONE_D_FORMATS.add(BarcodeFormat.CODE_39);
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ONE_D_FORMATS.add(BarcodeFormat.CODE_93);
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ONE_D_FORMATS.add(BarcodeFormat.CODE_128);
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ONE_D_FORMATS.add(BarcodeFormat.ITF);
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QR_CODE_FORMATS = new Vector<BarcodeFormat>(1);
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QR_CODE_FORMATS.add(BarcodeFormat.QR_CODE);
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DATA_MATRIX_FORMATS = new Vector<BarcodeFormat>(1);
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DATA_MATRIX_FORMATS.add(BarcodeFormat.DATA_MATRIX);
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}
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private DecodeFormatManager() {}
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static Vector<BarcodeFormat> parseDecodeFormats(Intent intent) {
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List<String> scanFormats = null;
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String scanFormatsString = intent.getStringExtra(Intents.Scan.SCAN_FORMATS);
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if (scanFormatsString != null) {
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scanFormats = Arrays.asList(COMMA_PATTERN.split(scanFormatsString));
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}
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return parseDecodeFormats(scanFormats, intent.getStringExtra(Intents.Scan.MODE));
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}
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static Vector<BarcodeFormat> parseDecodeFormats(Uri inputUri) {
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List<String> formats = inputUri.getQueryParameters(Intents.Scan.SCAN_FORMATS);
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if (formats != null && formats.size() == 1 && formats.get(0) != null){
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formats = Arrays.asList(COMMA_PATTERN.split(formats.get(0)));
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}
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return parseDecodeFormats(formats, inputUri.getQueryParameter(Intents.Scan.MODE));
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}
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private static Vector<BarcodeFormat> parseDecodeFormats(Iterable<String> scanFormats,
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String decodeMode) {
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if (scanFormats != null) {
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Vector<BarcodeFormat> formats = new Vector<BarcodeFormat>();
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try {
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for (String format : scanFormats) {
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formats.add(BarcodeFormat.valueOf(format));
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}
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return formats;
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} catch (IllegalArgumentException iae) {
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// ignore it then
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}
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}
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if (decodeMode != null) {
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if (Intents.Scan.PRODUCT_MODE.equals(decodeMode)) {
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return PRODUCT_FORMATS;
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}
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if (Intents.Scan.QR_CODE_MODE.equals(decodeMode)) {
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return QR_CODE_FORMATS;
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}
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if (Intents.Scan.DATA_MATRIX_MODE.equals(decodeMode)) {
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return DATA_MATRIX_FORMATS;
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}
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if (Intents.Scan.ONE_D_MODE.equals(decodeMode)) {
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return ONE_D_FORMATS;
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}
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}
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return null;
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}
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}
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