com.google.zxing.oned.rss.expanded.decoders.AI01AndOtherAIs Maven / Gradle / Ivy
/*
* 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.FormatException;
import com.google.zxing.NotFoundException;
import com.google.zxing.common.BitArray;
/**
* @author Pablo Orduña, University of Deusto ([email protected])
* @author Eduardo Castillejo, University of Deusto ([email protected])
*/
final class AI01AndOtherAIs extends AI01decoder {
private static final int HEADER_SIZE = 1 + 1 + 2; //first bit encodes the linkage flag,
//the second one is the encodation method, and the other two are for the variable length
AI01AndOtherAIs(BitArray information) {
super(information);
}
@Override
public String parseInformation() throws NotFoundException, FormatException {
StringBuilder buff = new StringBuilder();
buff.append("(01)");
int initialGtinPosition = buff.length();
int firstGtinDigit = this.getGeneralDecoder().extractNumericValueFromBitArray(HEADER_SIZE, 4);
buff.append(firstGtinDigit);
this.encodeCompressedGtinWithoutAI(buff, HEADER_SIZE + 4, initialGtinPosition);
return this.getGeneralDecoder().decodeAllCodes(buff, HEADER_SIZE + 44);
}
}