You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
38 lines
1.2 KiB
Java
38 lines
1.2 KiB
Java
package com.langerhans.one.utils;
|
|
|
|
public class Version implements Comparable<Version> {
|
|
private String version;
|
|
|
|
public final String get() {
|
|
return this.version;
|
|
}
|
|
|
|
public Version(String version) {
|
|
if (version == null)
|
|
throw new IllegalArgumentException("Version can not be null");
|
|
if (!version.matches("[0-9]+(\\.[0-9]+)*"))
|
|
throw new IllegalArgumentException("Invalid version format");
|
|
this.version = version;
|
|
}
|
|
|
|
@Override public int compareTo(Version that) {
|
|
if (that == null) return 1;
|
|
String[] thisParts = this.get().split("\\.");
|
|
String[] thatParts = that.get().split("\\.");
|
|
int length = Math.max(thisParts.length, thatParts.length);
|
|
for (int i = 0; i < length; i++) {
|
|
int thisPart = i < thisParts.length ? Integer.parseInt(thisParts[i]) : 0;
|
|
int thatPart = i < thatParts.length ? Integer.parseInt(thatParts[i]) : 0;
|
|
if (thisPart < thatPart) return -1;
|
|
if (thisPart > thatPart) return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
@Override public boolean equals(Object that) {
|
|
if (this == that) return true;
|
|
if (that == null) return false;
|
|
if (this.getClass() != that.getClass()) return false;
|
|
return this.compareTo((Version) that) == 0;
|
|
}
|
|
} |