com.google.zxing.oned.rss.expanded.decoders.AI01weightDecoder Maven / Gradle / Ivy
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Core barcode encoding/decoding library
/*
* 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.
*/
/*
* These authors would like to acknowledge the Spanish Ministry of Industry,
* Tourism and Trade, for the support in the project TSI020301-2008-2
* "PIRAmIDE: Personalizable Interactions with Resources on AmI-enabled
* Mobile Dynamic Environments", led by Treelogic
* ( http://www.treelogic.com/ ):
*
* http://www.piramidepse.com/
*/
package com.google.zxing.oned.rss.expanded.decoders;
import com.google.zxing.common.BitArray;
/**
* @author Pablo Orduña, University of Deusto ([email protected])
*/
abstract class AI01weightDecoder extends AI01decoder {
AI01weightDecoder(BitArray information) {
super(information);
}
final void encodeCompressedWeight(StringBuilder buf, int currentPos, int weightSize) {
int originalWeightNumeric = this.getGeneralDecoder().extractNumericValueFromBitArray(currentPos, weightSize);
addWeightCode(buf, originalWeightNumeric);
int weightNumeric = checkWeight(originalWeightNumeric);
int currentDivisor = 100000;
for (int i = 0; i < 5; ++i) {
if (weightNumeric / currentDivisor == 0) {
buf.append('0');
}
currentDivisor /= 10;
}
buf.append(weightNumeric);
}
protected abstract void addWeightCode(StringBuilder buf, int weight);
protected abstract int checkWeight(int weight);
}