/**
* Copyright (c) 2011-2014, SpaceToad and the BuildCraft Team
* http://www.mod-buildcraft.com
*
* BuildCraft is distributed under the terms of the Minecraft Mod Public
* License 1.0, or MMPL. Please check the contents of the license located in
* http://www.mod-buildcraft.com/MMPL-1.0.txt
*/
package buildcraft.core;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.ArrayList;
import net.minecraft.command.ICommandSender;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.util.ChatComponentText;
import cpw.mods.fml.common.Loader;
import cpw.mods.fml.common.event.FMLInterModComms;
import net.minecraftforge.common.config.Property;
import buildcraft.BuildCraftCore;
import buildcraft.api.core.BCLog;
import buildcraft.core.proxy.CoreProxy;
public class Version implements Runnable {
public enum EnumUpdateState {
CURRENT, OUTDATED, CONNECTION_ERROR
}
public static final String VERSION = "@VERSION@";
public static EnumUpdateState currentVersion = EnumUpdateState.CURRENT;
private static final String REMOTE_VERSION_FILE =
"https://raw.githubusercontent.com/BuildCraft/BuildCraft/master/buildcraft_resources/versions.txt";
private static final String REMOTE_CHANGELOG_ROOT =
"https://raw.githubusercontent.com/BuildCraft/BuildCraft/master/buildcraft_resources/changelog/";
private static String recommendedVersion;
private static String[] cachedChangelog;
private static Version instance = new Version();
private static boolean sentIMCOutdatedMessage = false;
public static String getVersion() {
return VERSION;
}
public static boolean isOutdated() {
return currentVersion == EnumUpdateState.OUTDATED;
}
public static boolean needsUpdateNoticeAndMarkAsSeen() {
if (!isOutdated() || sentIMCOutdatedMessage) {
return false;
}
Property property = BuildCraftCore.mainConfiguration.get("vars", "version.seen", VERSION);
property.comment = "indicates the last version the user has been informed about and will suppress further notices on it.";
String seenVersion = property.getString();
if (recommendedVersion == null || recommendedVersion.equals(seenVersion)) {
return false;
}
property.set(recommendedVersion);
BuildCraftCore.mainConfiguration.save();
return true;
}
public static String getRecommendedVersion() {
return recommendedVersion;
}
public static void versionCheck() {
try {
if ("0.0.0".equals(VERSION)) {
return;
}
String location = REMOTE_VERSION_FILE;
HttpURLConnection conn = null;
while (location != null && !location.isEmpty()) {
URL url = new URL(location);
if (conn != null) {
conn.disconnect();
}
conn = (HttpURLConnection) url.openConnection();
conn.setRequestProperty("User-Agent",
"Mozilla/5.0 (Windows; U; Windows NT 6.0; ru; rv:1.9.0.11) Gecko/2009060215 Firefox/3.0.11 (.NET CLR 3.5.30729)");
conn.connect();
location = conn.getHeaderField("Location");
}
if (conn == null) {
throw new NullPointerException();
}
BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream()));
String line;
String mcVersion = CoreProxy.proxy.getMinecraftVersion();
while ((line = reader.readLine()) != null) {
String[] tokens = line.split(":");
if (mcVersion.matches(tokens[0])) {
if (DefaultProps.MOD.matches(tokens[1])) {
recommendedVersion = tokens[2];
if (VERSION.matches(tokens[2])) {
BCLog.logger.trace("Using the latest version [" + getVersion() + "] for Minecraft " + mcVersion);
currentVersion = EnumUpdateState.CURRENT;
return;
}
}
}
}
BCLog.logger.warn("Using outdated version [" + VERSION + "] for Minecraft " + mcVersion
+ ". Consider updating to " + recommendedVersion + ".");
currentVersion = EnumUpdateState.OUTDATED;
sendIMCOutdatedMessage();
conn.disconnect();
reader.close();
} catch (Exception e) {
BCLog.logger.warn("Unable to read from remote version authority.");
BCLog.logger.warn(e.toString());
currentVersion = EnumUpdateState.CONNECTION_ERROR;
}
}
public static String[] getChangelog() {
if (cachedChangelog == null) {
cachedChangelog = grabChangelog(recommendedVersion);
}
return cachedChangelog;
}
public static String[] grabChangelog(String version) {
try {
String location = REMOTE_CHANGELOG_ROOT + version;
HttpURLConnection conn = null;
while (location != null && !location.isEmpty()) {
URL url = new URL(location);
if (conn != null) {
conn.disconnect();
}
conn = (HttpURLConnection) url.openConnection();
conn.setRequestProperty("User-Agent",
"Mozilla/5.0 (Windows; U; Windows NT 6.0; ru; rv:1.9.0.11) Gecko/2009060215 Firefox/3.0.11 (.NET CLR 3.5.30729)");
conn.connect();
location = conn.getHeaderField("Location");
}
if (conn == null) {
throw new NullPointerException();
}
BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream()));
String line;
ArrayList<String> changelog = new ArrayList<String>();
while ((line = reader.readLine()) != null) {
if (line.isEmpty()) {
continue;
}
changelog.add(line);
}
conn.disconnect();
return changelog.toArray(new String[0]);
} catch (Exception ex) {
ex.printStackTrace();
BCLog.logger.warn("Unable to read changelog from remote site.");
}
return new String[]{String.format("Unable to retrieve changelog for %s %s", DefaultProps.MOD, version)};
}
@Override
public void run() {
int count = 0;
currentVersion = null;
BCLog.logger.info("Beginning version check");
try {
while ((count < 3) && ((currentVersion == null) || (currentVersion == EnumUpdateState.CONNECTION_ERROR))) {
versionCheck();
count++;
if (currentVersion == EnumUpdateState.CONNECTION_ERROR) {
BCLog.logger.info("Version check attempt " + count + " failed, trying again in 10 seconds");
Thread.sleep(10000);
}
}
} catch (InterruptedException e) {
e.printStackTrace();
}
if (currentVersion == EnumUpdateState.CONNECTION_ERROR) {
BCLog.logger.info("Version check failed");
}
}
/**
* This is an integration with Dynious Version Checker See
* http://www.minecraftforum.net/topic/2721902-
*/
public static void sendIMCOutdatedMessage() {
if (Loader.isModLoaded("VersionChecker")) {
NBTTagCompound compound = new NBTTagCompound();
compound.setString("modDisplayName", "BuildCraft");
compound.setString("oldVersion", VERSION);
compound.setString("newVersion", getRecommendedVersion());
compound.setString("updateUrl", "http://www.mod-buildcraft.com/download/");
compound.setBoolean("isDirectLink", false);
StringBuilder stringBuilder = new StringBuilder();
for (String changeLogLine : getChangelog()) {
stringBuilder.append(changeLogLine).append("\n");
}
compound.setString("changeLog", stringBuilder.toString());
FMLInterModComms.sendRuntimeMessage("BuildCraft|Core", "VersionChecker", "addUpdate", compound);
sentIMCOutdatedMessage = true;
}
}
public static void displayChangelog(ICommandSender sender) {
int nb = 0;
for (String updateLine : Version.getChangelog()) {
sender.addChatMessage(new ChatComponentText("\u00A79" + updateLine));
nb++;
if (nb > 3) {
sender.addChatMessage(new ChatComponentText("\u00A79[...]"));
break;
}
}
}
public static void check() {
new Thread(instance).start();
}
}