Plan/Plan/common/src/main/java/com/djrapitops/plan/version/VersionNumber.java

85 lines
2.6 KiB
Java

/*
* This file is part of Player Analytics (Plan).
*
* Plan is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License v3 as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Plan is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Plan. If not, see <https://www.gnu.org/licenses/>.
*/
package com.djrapitops.plan.version;
import java.util.ArrayList;
import java.util.List;
import java.util.Objects;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class VersionNumber implements Comparable<VersionNumber> {
private static final Pattern MATCH_NUMBERS = Pattern.compile("(\\d+)");
private final String version;
private final List<Long> versionNumbers;
public VersionNumber(String version) {
this.version = version;
Matcher matches = MATCH_NUMBERS.matcher(version);
versionNumbers = new ArrayList<>();
while (matches.find()) {
versionNumbers.add(Long.parseLong(matches.group()));
}
}
public boolean isNewerThan(VersionNumber other) {
return compareTo(other) < 0;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
VersionNumber that = (VersionNumber) o;
return version.equals(that.version);
}
@Override
public int hashCode() {
return Objects.hash(version);
}
@Override
public int compareTo(VersionNumber o) {
int vSize = this.versionNumbers.size();
int ovSize = o.versionNumbers.size();
for (int i = 0; i < Math.min(vSize, ovSize); i++) {
// Higher number goes first
int comparison = o.versionNumbers.get(i).compareTo(this.versionNumbers.get(i));
if (comparison != 0) return comparison;
}
if (vSize == ovSize || vSize != 0 && ovSize != 0) return 0;
// If just one of the sizes is 0, have the one with some numbers go first
return vSize > ovSize ? -1 : 1;
}
public String asString() {
return version;
}
@Override
public String toString() {
return "VersionNumber{" +
"version='" + version + '\'' +
'}';
}
}