Version.java
- /*
- * Copyright (C) 2023 DANS - Data Archiving and Networked Services (info@dans.knaw.nl)
- *
- * 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 nl.knaw.dans.bagit.domain;
- import java.util.Objects;
- /**
- * The version of the bagit specification used to create the bag.
- */
- public final class Version implements Comparable<Version>{
- public final int major;
- public final int minor;
-
- private transient final String cachedToString;
-
- public Version(final int major, final int minor){
- this.major = major;
- this.minor = minor;
- this.cachedToString = major + "." + minor;
- }
-
- public static Version LATEST_BAGIT_VERSION() {
- return new Version(1, 0);
- }
- @Override
- public String toString() {
- return cachedToString;
- }
- @Override
- public int compareTo(final Version o) {
- //a negative integer - this is less than specified object
- //zero - equal to specified object
- //positive - greater than the specified object
- if(major > o.major || major == o.major && minor > o.minor){
- return 1;
- }
- if(major == o.major && minor == o.minor){
- return 0;
- }
-
- return -1;
- }
- @Override
- public int hashCode() {
- return Objects.hash(major) + Objects.hash(minor);
- }
- @Override
- public boolean equals(final Object obj) {
- if (this == obj){
- return true;
- }
- if (obj == null){
- return false;
- }
- if (!(obj instanceof Version)){
- return false;
- }
-
- final Version other = (Version) obj;
-
- return Objects.equals(major, other.major) && Objects.equals(minor, other.minor);
- }
-
- public boolean isNewer(final Version version){
- return this.compareTo(version) > 0;
- }
-
- public boolean isSameOrNewer(final Version version){
- return this.compareTo(version) >= 0;
- }
-
- public boolean isOlder(final Version version){
- return this.compareTo(version) < 0;
- }
-
- public boolean isSameOrOlder(final Version version){
- return this.compareTo(version) <= 0;
- }
- public int getMajor() {
- return major;
- }
- public int getMinor() {
- return minor;
- }
- }