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Merge remote-tracking branch 'origin/1.20.2' into 1.20.2-folia
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114 changes: 114 additions & 0 deletions
114
src/main/java/xiamomc/morph/updates/VersionHandling.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,114 @@ | ||
| package xiamomc.morph.updates; | ||
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| import org.jetbrains.annotations.NotNull; | ||
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| public class VersionHandling | ||
| { | ||
| public static VersionInfo toVersionInfo(String str) | ||
| { | ||
| if (str == null) return VersionInfo.INVALID_VERSION; | ||
|
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| var strSpilt = str.split("\\."); | ||
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| var major = strSpilt.length >= 1 ? tryParse(strSpilt[0]) : -1; | ||
| var minor = strSpilt.length >= 2 ? tryParse(strSpilt[1]) : -1; | ||
| var patch = strSpilt.length >= 3 ? tryParse(strSpilt[2]) : -1; | ||
| var edition = strSpilt.length >= 4 ? strSpilt[3] : "Standard"; | ||
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| return new VersionInfo(major, minor, patch, edition); | ||
| } | ||
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| private static int tryParse(String str) | ||
| { | ||
| try | ||
| { | ||
| return Integer.parseInt(str); | ||
| } | ||
| catch (Throwable t) | ||
| { | ||
| return -1; | ||
| } | ||
| } | ||
|
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| public static record VersionInfo(int major, int minor, int patch, @NotNull String channel) | ||
| { | ||
| @Override | ||
| public String toString() | ||
| { | ||
| return "%s.%s.%s".formatted(major, minor, patch); | ||
| } | ||
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| public boolean isInvalid() | ||
| { | ||
| return this == INVALID_VERSION; | ||
| } | ||
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| @Override | ||
| public boolean equals(Object o) | ||
| { | ||
| if (!(o instanceof VersionInfo other)) return false; | ||
|
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| return major == other.major | ||
| && minor == other.minor | ||
| && patch == other.patch | ||
| && channel.equalsIgnoreCase(other.channel); | ||
| } | ||
|
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| /** | ||
| * 将此版本和另一版本比对 | ||
| * @param other | ||
| * @return | ||
| */ | ||
| public CompareResult compare(VersionInfo other) | ||
| { | ||
| if (!other.channel.equalsIgnoreCase(this.channel)) | ||
| return CompareResult.NOT_ON_SAME_CHANNEL; | ||
|
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| var majorCompare = integerCompare(other.major, this.major); | ||
| var minorCompare = integerCompare(other.minor, this.minor); | ||
| var patchCompare = integerCompare(other.patch, this.patch); | ||
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| if (majorCompare == CompareResult.EQUAL | ||
| && minorCompare == CompareResult.EQUAL | ||
| && patchCompare == CompareResult.EQUAL) | ||
| { | ||
| return CompareResult.EQUAL; | ||
| } | ||
| else if (majorCompare == CompareResult.NEWER | ||
| || minorCompare == CompareResult.NEWER | ||
| || patchCompare == CompareResult.NEWER) | ||
| { | ||
| return CompareResult.OLDER; | ||
| } | ||
| else if (majorCompare == CompareResult.OLDER | ||
| || minorCompare == CompareResult.OLDER | ||
| || patchCompare == CompareResult.OLDER) | ||
| { | ||
| return CompareResult.NEWER; | ||
| } | ||
|
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| return CompareResult.NOT_ON_SAME_CHANNEL; | ||
| } | ||
|
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| /** | ||
| * 比较两个数之间的版本关系 | ||
| * @param a | ||
| * @param b | ||
| * @return a 相较于 b 的关系，如果a更大就返回NEWER，反之返回OLDER | ||
| */ | ||
| private CompareResult integerCompare(int a, int b) | ||
| { | ||
| return a > b ? CompareResult.NEWER : (a == b ? CompareResult.EQUAL : CompareResult.OLDER); | ||
| } | ||
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| public static VersionInfo INVALID_VERSION = new VersionInfo(0, 0, 0, "Invalid"); | ||
| } | ||
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| public enum CompareResult | ||
| { | ||
| EQUAL, | ||
| NEWER, | ||
| OLDER, | ||
| NOT_ON_SAME_CHANNEL | ||
| } | ||
| } |