fedilab-Android-App/app/src/main/java/app/fedilab/android/client/Entities/Version.java

58 lines
1.7 KiB
Java

package app.fedilab.android.client.Entities;
import androidx.annotation.NonNull;
/**
* Created by Thomas on 15/09/2017.
*/
public class Version implements Comparable<Version> {
private String version;
public final String get() {
return this.version;
}
public Version(String version) {
if(version == null)
version = "2.1";
if( version.contains("+")){
String[] versionA = version.split("\\+");
version = versionA[0];
}
if( version.endsWith("."))
version = version.substring(0, version.length() - 1);
version = version.replaceAll("[^\\d.]", "");
if(!version.matches("[0-9]+(\\.[0-9]+)*"))
version = "2.1";
this.version = version;
}
@Override public int compareTo(@NonNull Version that) {
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++) {
try {
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;
}catch (NumberFormatException e){return 1;}
}
return 0;
}
@Override public boolean equals(Object that) {
return this == that || that != null && this.getClass() == that.getClass() && this.compareTo((Version) that) == 0;
}
}