com.google.zxing.oned.rss.expanded.ExpandedRow 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.
*/
package com.google.zxing.oned.rss.expanded;
import java.util.ArrayList;
import java.util.List;
/**
* One row of an RSS Expanded Stacked symbol, consisting of 1+ expanded pairs.
*/
final class ExpandedRow {
private final List pairs;
private final int rowNumber;
/** Did this row of the image have to be reversed (mirrored) to recognize the pairs? */
private final boolean wasReversed;
ExpandedRow(List pairs, int rowNumber, boolean wasReversed) {
this.pairs = new ArrayList<>(pairs);
this.rowNumber = rowNumber;
this.wasReversed = wasReversed;
}
List getPairs() {
return this.pairs;
}
int getRowNumber() {
return this.rowNumber;
}
boolean isReversed() {
return this.wasReversed;
}
boolean isEquivalent(List otherPairs) {
return this.pairs.equals(otherPairs);
}
@Override
public String toString() {
return "{ " + pairs + " }";
}
/**
* Two rows are equal if they contain the same pairs in the same order.
*/
@Override
public boolean equals(Object o) {
if (!(o instanceof ExpandedRow)) {
return false;
}
ExpandedRow that = (ExpandedRow) o;
return this.pairs.equals(that.getPairs()) && wasReversed == that.wasReversed;
}
@Override
public int hashCode() {
return pairs.hashCode() ^ Boolean.valueOf(wasReversed).hashCode();
}
}