diff options
Diffstat (limited to 'EssentialsUpdate/src/com/earth2me/essentials/update/UpdateCheck.java')
-rw-r--r-- | EssentialsUpdate/src/com/earth2me/essentials/update/UpdateCheck.java | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/EssentialsUpdate/src/com/earth2me/essentials/update/UpdateCheck.java b/EssentialsUpdate/src/com/earth2me/essentials/update/UpdateCheck.java new file mode 100644 index 000000000..dcda252a0 --- /dev/null +++ b/EssentialsUpdate/src/com/earth2me/essentials/update/UpdateCheck.java @@ -0,0 +1,203 @@ +package com.earth2me.essentials.update; + +import java.io.File; +import java.util.Map; +import java.util.Map.Entry; +import java.util.Set; +import java.util.regex.Matcher; +import java.util.regex.Pattern; +import org.bukkit.Bukkit; +import org.bukkit.plugin.Plugin; +import org.bukkit.plugin.PluginManager; + + +public class UpdateCheck +{ + private transient CheckResult result = CheckResult.UNKNOWN; + private transient Version currentVersion; + private transient Version newVersion = null; + private transient int bukkitResult = 0; + private transient UpdateFile updateFile; + private final static int CHECK_INTERVAL = 20 * 60 * 60 * 6; + private final transient Plugin plugin; + private transient boolean essentialsInstalled; + + public UpdateCheck(Plugin plugin) + { + this.plugin = plugin; + updateFile = new UpdateFile(plugin); + checkForEssentials(); + } + + private void checkForEssentials() + { + PluginManager pm = plugin.getServer().getPluginManager(); + Plugin essentials = pm.getPlugin("Essentials"); + if (essentials == null) + { + essentialsInstalled = false; + if (new File(plugin.getDataFolder().getParentFile(), "Essentials.jar").exists()) + { + Bukkit.getLogger().severe("Essentials.jar found, but not recognized by Bukkit. Broken download?"); + } + } + else + { + essentialsInstalled = true; + currentVersion = new Version(essentials.getDescription().getVersion()); + } + } + + public void scheduleUpdateTask() + { + plugin.getServer().getScheduler().scheduleAsyncRepeatingTask(plugin, new Runnable() + { + @Override + public void run() + { + updateFile = new UpdateFile(plugin); + checkForUpdates(); + } + }, CHECK_INTERVAL, CHECK_INTERVAL); + } + + public boolean isEssentialsInstalled() + { + return essentialsInstalled; + } + + public CheckResult getResult() + { + return result; + } + + int getNewBukkitVersion() + { + return bukkitResult; + } + + VersionInfo getNewVersionInfo() + { + return updateFile.getVersions().get(newVersion); + } + + public enum CheckResult + { + NEW_ESS, NEW_ESS_BUKKIT, NEW_BUKKIT, OK, UNKNOWN + } + + public void checkForUpdates() + { + if (currentVersion == null) + { + return; + } + final Map<Version, VersionInfo> versions = updateFile.getVersions(); + final int bukkitVersion = getBukkitVersion(); + Version higher = null; + Version found = null; + Version lower = null; + int bukkitHigher = 0; + int bukkitLower = 0; + for (Entry<Version, VersionInfo> entry : versions.entrySet()) + { + final int minBukkit = entry.getValue().getMinBukkit(); + final int maxBukkit = entry.getValue().getMaxBukkit(); + if (minBukkit == 0 || maxBukkit == 0) + { + continue; + } + if (bukkitVersion <= maxBukkit) + { + if (bukkitVersion < minBukkit) + { + if (higher == null || higher.compareTo(entry.getKey()) < 0) + { + + higher = entry.getKey(); + bukkitHigher = minBukkit; + } + } + else + { + if (found == null || found.compareTo(entry.getKey()) < 0) + { + found = entry.getKey(); + } + } + } + else + { + if (lower == null || lower.compareTo(entry.getKey()) < 0) + { + lower = entry.getKey(); + bukkitLower = minBukkit; + } + } + } + if (found != null) + { + if (found.compareTo(currentVersion) > 0) + { + result = CheckResult.NEW_ESS; + newVersion = found; + } + else + { + result = CheckResult.OK; + } + } + else if (higher != null) + { + if (higher.compareTo(currentVersion) > 0) + { + newVersion = higher; + result = CheckResult.NEW_ESS_BUKKIT; + bukkitResult = bukkitHigher; + } + else if (higher.compareTo(currentVersion) < 0) + { + result = CheckResult.UNKNOWN; + } + else + { + result = CheckResult.NEW_BUKKIT; + bukkitResult = bukkitHigher; + } + } + else if (lower != null) + { + if (lower.compareTo(currentVersion) > 0) + { + result = CheckResult.NEW_ESS_BUKKIT; + newVersion = lower; + bukkitResult = bukkitLower; + } + else if (lower.compareTo(currentVersion) < 0) + { + result = CheckResult.UNKNOWN; + } + else + { + result = CheckResult.NEW_BUKKIT; + bukkitResult = bukkitLower; + } + } + + } + + private int getBukkitVersion() + { + final Matcher versionMatch = Pattern.compile("git-Bukkit-([0-9]+).([0-9]+).([0-9]+)-[0-9]+-[0-9a-z]+-b([0-9]+)jnks.*").matcher(plugin.getServer().getVersion()); + if (versionMatch.matches()) + { + return Integer.parseInt(versionMatch.group(4)); + } + throw new NumberFormatException("Bukkit Version changed!"); + } + + public Version getNewVersion() + { + return newVersion; + } +} |