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