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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| package com.loohp.interactivechat.Updater; | ||
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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() { | ||
| return this.version; | ||
| } | ||
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| 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; | ||
| } | ||
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| @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; | ||
| } | ||
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| @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; | ||
| } | ||
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| } |
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