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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.google.zxing.client.android;
import android.content.Intent;
import com.google.zxing.BarcodeFormat;
import java.util.Arrays;
import java.util.EnumSet;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import java.util.regex.Pattern;
public final class DecodeFormatManager {
private static final Pattern COMMA_PATTERN = Pattern.compile(",");
static final Set<BarcodeFormat> PRODUCT_FORMATS;
static final Set<BarcodeFormat> INDUSTRIAL_FORMATS;
private static final Set<BarcodeFormat> ONE_D_FORMATS;
static final Set<BarcodeFormat> QR_CODE_FORMATS = EnumSet.of(BarcodeFormat.QR_CODE);
static final Set<BarcodeFormat> DATA_MATRIX_FORMATS = EnumSet.of(BarcodeFormat.DATA_MATRIX);
static final Set<BarcodeFormat> AZTEC_FORMATS = EnumSet.of(BarcodeFormat.AZTEC);
static final Set<BarcodeFormat> PDF417_FORMATS = EnumSet.of(BarcodeFormat.PDF_417);
static {
PRODUCT_FORMATS = EnumSet.of(BarcodeFormat.UPC_A,
BarcodeFormat.UPC_E,
BarcodeFormat.EAN_13,
BarcodeFormat.EAN_8,
BarcodeFormat.RSS_14,
BarcodeFormat.RSS_EXPANDED);
INDUSTRIAL_FORMATS = EnumSet.of(BarcodeFormat.CODE_39,
BarcodeFormat.CODE_93,
BarcodeFormat.CODE_128,
BarcodeFormat.ITF,
BarcodeFormat.CODABAR);
ONE_D_FORMATS = EnumSet.copyOf(PRODUCT_FORMATS);
ONE_D_FORMATS.addAll(INDUSTRIAL_FORMATS);
}
private static final Map<String, Set<BarcodeFormat>> FORMATS_FOR_MODE;
static {
FORMATS_FOR_MODE = new HashMap<>();
FORMATS_FOR_MODE.put(Intents.Scan.ONE_D_MODE, ONE_D_FORMATS);
FORMATS_FOR_MODE.put(Intents.Scan.PRODUCT_MODE, PRODUCT_FORMATS);
FORMATS_FOR_MODE.put(Intents.Scan.QR_CODE_MODE, QR_CODE_FORMATS);
FORMATS_FOR_MODE.put(Intents.Scan.DATA_MATRIX_MODE, DATA_MATRIX_FORMATS);
FORMATS_FOR_MODE.put(Intents.Scan.AZTEC_MODE, AZTEC_FORMATS);
FORMATS_FOR_MODE.put(Intents.Scan.PDF417_MODE, PDF417_FORMATS);
}
private DecodeFormatManager() {
}
public static Set<BarcodeFormat> parseDecodeFormats(Intent intent) {
Iterable<String> scanFormats = null;
CharSequence scanFormatsString = intent.getStringExtra(Intents.Scan.FORMATS);
if (scanFormatsString != null) {
scanFormats = Arrays.asList(COMMA_PATTERN.split(scanFormatsString));
}
return parseDecodeFormats(scanFormats, intent.getStringExtra(Intents.Scan.MODE));
}
private static Set<BarcodeFormat> parseDecodeFormats(Iterable<String> scanFormats, String decodeMode) {
if (scanFormats != null) {
Set<BarcodeFormat> formats = EnumSet.noneOf(BarcodeFormat.class);
try {
for (String format : scanFormats) {
formats.add(BarcodeFormat.valueOf(format));
}
return formats;
} catch (IllegalArgumentException iae) {
// ignore it then
}
}
if (decodeMode != null) {
return FORMATS_FOR_MODE.get(decodeMode);
}
return null;
}
}
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