90 lines
3.1 KiB
Java
90 lines
3.1 KiB
Java
package me.libraryaddict.disguise.utilities;
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import java.io.BufferedReader;
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import java.io.InputStreamReader;
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import java.net.HttpURLConnection;
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import java.net.URL;
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import java.net.URLConnection;
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import java.util.regex.Pattern;
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import org.json.simple.JSONArray;
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import org.json.simple.JSONObject;
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import org.json.simple.JSONValue;
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public class UpdateChecker {
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private String latestVersion;
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private boolean checkHigher(String currentVersion, String newVersion) {
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String current = toReadable(currentVersion);
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String newVers = toReadable(newVersion);
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return current.compareTo(newVers) < 0;
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}
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public void checkUpdate(String currentVersion) {
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String version = getSpigotVersion();
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if (version == null) {
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version = getBukkitVersion();
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}
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if (version != null) {
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if (checkHigher(currentVersion, version)) {
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latestVersion = version;
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}
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}
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}
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/**
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* Asks bukkit for the version
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*/
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private String getBukkitVersion() {
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try {
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URLConnection conn = new URL("https://api.curseforge.com/servermods/files?projectIds=72490").openConnection();
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conn.addRequestProperty("User-Agent", "Lib's Disguises Update Checker");
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BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream()));
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JSONArray array = (JSONArray) JSONValue.parse(reader.readLine());
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if (!array.isEmpty()) {
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JSONObject latest = (JSONObject) array.get(array.size() - 1);
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String version = (String) latest.get("name");
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version = version.substring(version.lastIndexOf(" ") + 1);
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if (version.length() <= 7) {
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return version;
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}
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}
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} catch (Exception e) {
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System.out.print("[LibsDisguises] Failed to check for a update on bukkit. " + e.getMessage());
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}
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return null;
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}
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public String getLatestVersion() {
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return latestVersion;
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}
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/**
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* Asks spigot for the version
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*/
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private String getSpigotVersion() {
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try {
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HttpURLConnection con = (HttpURLConnection) new URL("http://www.spigotmc.org/api/general.php").openConnection();
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con.setDoOutput(true);
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con.setRequestMethod("POST");
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con.getOutputStream().write(
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("key=98BE0FE67F88AB82B4C197FAF1DC3B69206EFDCC4D3B80FC83A00037510B99B4&resource=81").getBytes("UTF-8"));
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String version = new BufferedReader(new InputStreamReader(con.getInputStream())).readLine();
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if (version.length() <= 7) {
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return version;
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}
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} catch (Exception ex) {
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System.out.print("[LibsDisguises] Failed to check for a update on spigot. Now checking bukkit..");
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}
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return null;
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}
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private String toReadable(String version) {
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String[] split = Pattern.compile(".", Pattern.LITERAL).split(version.replace("v", ""));
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version = "";
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for (String s : split)
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version += String.format("%4s", s);
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return version;
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}
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}
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