org.openapitools.codegen.utils.SemVer Maven / Gradle / Ivy
/*
* Copyright 2018 OpenAPI-Generator Contributors (https://openapi-generator.tech)
* Copyright 2018 SmartBear Software
*
* 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
*
* https://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 org.openapitools.codegen.utils;
public class SemVer implements Comparable {
public final int major;
public final int minor;
public final int revision;
public SemVer(String versionString) {
String[] tokens = versionString.split("\\.");
major = Integer.parseInt(tokens[0]);
minor = tokens.length < 2 ? 0 : Integer.parseInt(tokens[1]);
revision = tokens.length < 3 ? 0 : Integer.parseInt(tokens[2]);
}
@Override
public int compareTo(SemVer o) {
int cmp = major - o.major;
if (cmp != 0) return cmp;
cmp = minor - o.minor;
if (cmp != 0) return cmp;
return revision - o.revision;
}
public boolean atLeast(String other) {
return compareTo(new SemVer(other)) >= 0;
}
@Override
public String toString() {
return major + "." + minor + "." + revision;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + major;
result = prime * result + minor;
result = prime * result + revision;
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
SemVer other = (SemVer) obj;
if (major != other.major)
return false;
if (minor != other.minor)
return false;
if (revision != other.revision)
return false;
return true;
}
}