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Copy pathDecodeFormatManager.java
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104 lines (93 loc) 路 3.65 KB
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/*
* 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.decoding;
import java.util.Arrays;
import java.util.List;
import java.util.Vector;
import java.util.regex.Pattern;
import android.content.Intent;
import android.net.Uri;
import com.google.zxing.BarcodeFormat;
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.RSS14);
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;
}
}