VersionSyncInfo.java

package net.minecraft.launcher.updater;

import net.minecraft.launcher.versions.Version;

public class VersionSyncInfo {
    private final Version localVersion;
    private final Version remoteVersion;
    private final boolean isInstalled;
    private final boolean isUpToDate;

    public VersionSyncInfo(Version localVersion, Version remoteVersion, boolean installed, boolean upToDate) {
        this.localVersion = localVersion;
        this.remoteVersion = remoteVersion;
        this.isInstalled = installed;
        this.isUpToDate = upToDate;
    }

    public Version getLocalVersion() {
        return this.localVersion;
    }

    public Version getRemoteVersion() {
        return this.remoteVersion;
    }

    public Version getLatestVersion() {
        if (getLatestSource() == VersionSource.REMOTE) {
            return this.remoteVersion;
        }
        return this.localVersion;
    }

    public VersionSource getLatestSource() {
        if (getLocalVersion() == null) return VersionSource.REMOTE;
        if (getRemoteVersion() == null) return VersionSource.LOCAL;
        if (getRemoteVersion().getUpdatedTime().after(getLocalVersion().getUpdatedTime())) return VersionSource.REMOTE;
        return VersionSource.LOCAL;
    }

    public boolean isInstalled() {
        return this.isInstalled;
    }

    public boolean isOnRemote() {
        return this.remoteVersion != null;
    }

    public boolean isUpToDate() {
        return this.isUpToDate;
    }

    public String toString() {
        return "VersionSyncInfo{localVersion=" + this.localVersion + ", remoteVersion=" + this.remoteVersion + ", isInstalled=" + this.isInstalled + ", isUpToDate=" + this.isUpToDate + '}';
    }

    public static enum VersionSource {
        REMOTE, LOCAL;
    }
}