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Code Issues Projects Releases Wiki Activity

UUID Conversion stuff

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This commit is contained in:
TfT_02 2014-07-09 12:15:36 +02:00
parent dc21e18cc2
commit d3faff67ad
7 changed files with 264 additions and 0 deletions
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2
src/main/java/com/gmail/nossr50/database/DatabaseManager.java
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@ -110,6 +110,8 @@ public interface DatabaseManager {
*/
public void convertUsers(DatabaseManager destination);
public boolean saveUserUUID(String userName, UUID uuid);
/**
* Retrieve the type of database in use. Custom databases should return CUSTOM.
*

40
src/main/java/com/gmail/nossr50/database/FlatfileDatabaseManager.java
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@ -471,6 +471,46 @@ public final class FlatfileDatabaseManager implements DatabaseManager {
}
}
public boolean saveUserUUID(String userName, UUID uuid) {
boolean worked = false;
BufferedReader in = null;
FileWriter out = null;
String usersFilePath = mcMMO.getUsersFilePath();
synchronized (fileWritingLock) {
try {
in = new BufferedReader(new FileReader(usersFilePath));
StringBuilder writer = new StringBuilder();
String line;
while ((line = in.readLine()) != null) {
// Write out the same file but when we get to the player we want to remove, we skip his line.
if (!worked && line.split(":")[0].equalsIgnoreCase(userName)) {
mcMMO.p.getLogger().info("User found, updating UUID...");
line.split(":")[41] = uuid.toString();
worked = true;
}
writer.append(line).append("\r\n");
}
out = new FileWriter(usersFilePath); // Write out the new file
out.write(writer.toString());
}
catch (Exception e) {
mcMMO.p.getLogger().severe("Exception while reading " + usersFilePath + " (Are you sure you formatted it correctly?)" + e.toString());
}
finally {
tryClose(in);
tryClose(out);
}
}
System.out.println("Saving " + userName + " | uuid = " + uuid.toString());
return worked;
}
public List<String> getStoredUsers() {
ArrayList<String> users = new ArrayList<String>();
BufferedReader in = null;

4
src/main/java/com/gmail/nossr50/database/SQLDatabaseManager.java
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@ -491,6 +491,10 @@ public final class SQLDatabaseManager implements DatabaseManager {
}
public boolean saveUserUUID(String userName, UUID uuid) {
return false;
}
/**
* Check connection status and re-establish if dead or stale.
* <p/>

4
src/main/java/com/gmail/nossr50/mcMMO.java
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@ -36,6 +36,7 @@ import com.gmail.nossr50.runnables.CheckDateTask;
import com.gmail.nossr50.runnables.SaveTimerTask;
import com.gmail.nossr50.runnables.UpdaterResultAsyncTask;
import com.gmail.nossr50.runnables.backups.CleanBackupsTask;
import com.gmail.nossr50.runnables.database.UUIDUpdateAsyncTask;
import com.gmail.nossr50.runnables.database.UserPurgeTask;
import com.gmail.nossr50.runnables.party.PartyAutoKickTask;
import com.gmail.nossr50.runnables.player.PowerLevelUpdatingTask;
@ -458,6 +459,9 @@ public class mcMMO extends JavaPlugin {
long saveIntervalTicks = Config.getInstance().getSaveInterval() * 1200;
new SaveTimerTask().runTaskTimer(this, saveIntervalTicks, saveIntervalTicks);
// Slowly update every entry in the database with UUIDs
new UUIDUpdateAsyncTask(this).runTaskTimerAsynchronously(this, 5 * Misc.TICK_CONVERSION_FACTOR, 30 * Misc.TICK_CONVERSION_FACTOR);
// Cleanup the backups folder
new CleanBackupsTask().runTaskAsynchronously(mcMMO.p);

51
src/main/java/com/gmail/nossr50/runnables/database/UUIDFetcherRunnable.java Normal file
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@ -0,0 +1,51 @@
package com.gmail.nossr50.runnables.database;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.UUID;
import org.bukkit.scheduler.BukkitRunnable;
import com.gmail.nossr50.mcMMO;
import com.gmail.nossr50.util.uuid.UUIDFetcher;
public class UUIDFetcherRunnable extends BukkitRunnable {
private List<String> names;
public UUIDFetcherRunnable(List<String> names) {
this.names = names;
}
public UUIDFetcherRunnable(String name) {
this.names = new ArrayList<String>();
this.names.add(name);
}
@Override
public void run() {
try {
Map<String, UUID> returns = new UUIDFetcher(this.names).call();
new CacheReturnedNames(returns).runTask(mcMMO.p);
}
catch (Exception e) {
e.printStackTrace();
}
}
private class CacheReturnedNames extends BukkitRunnable {
private Map<String, UUID> returns;
public CacheReturnedNames(Map<String, UUID> returns) {
this.returns = returns;
}
@Override
public void run() {
for (Entry<String, UUID> entry : this.returns.entrySet()) {
mcMMO.getDatabaseManager().saveUserUUID(entry.getKey(), entry.getValue());
}
}
}
}

76
src/main/java/com/gmail/nossr50/runnables/database/UUIDUpdateAsyncTask.java Normal file
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@ -0,0 +1,76 @@
package com.gmail.nossr50.runnables.database;
import java.util.List;
import org.bukkit.scheduler.BukkitRunnable;
import com.gmail.nossr50.mcMMO;
import com.gmail.nossr50.config.HiddenConfig;
import com.gmail.nossr50.database.DatabaseManager;
import com.gmail.nossr50.datatypes.player.PlayerProfile;
import com.gmail.nossr50.util.Misc;
public class UUIDUpdateAsyncTask extends BukkitRunnable {
private mcMMO plugin;
private static final int MAX_LOOKUP = 5;
private DatabaseManager databaseManager;
private List<String> userNames;
private int size;
int checkedUsers;
long startMillis;
public UUIDUpdateAsyncTask(mcMMO plugin) {
this.plugin = plugin;
this.databaseManager = mcMMO.getDatabaseManager();
this.userNames = databaseManager.getStoredUsers();
this.size = userNames.size();
this.checkedUsers = 0;
this.startMillis = System.currentTimeMillis();
plugin.getLogger().info("Starting to check and update UUIDs, total amount of users: " + size);
}
@Override
public void run() {
if (!conversionNeeded()) {
plugin.debug("No need to update database with UUIDs");
this.cancel();
return;
}
List<String> userNamesSection;
if (size > MAX_LOOKUP) {
userNamesSection = userNames.subList(size - MAX_LOOKUP, size);
size -= MAX_LOOKUP;
}
else {
userNamesSection = userNames.subList(0, size);
size = 0;
this.cancel();
}
for (String userName : userNamesSection) {
PlayerProfile profile = databaseManager.loadPlayerProfile(userName, false);
checkedUsers++;
if (profile == null || !profile.isLoaded() || profile.getUniqueId() != null) {
continue;
}
new UUIDFetcherRunnable(userName).runTaskAsynchronously(mcMMO.p);
}
Misc.printProgress(checkedUsers, DatabaseManager.progressInterval, startMillis);
}
private boolean conversionNeeded() {
plugin.debug("Checking if conversion is needed...");
return true;
}
}

87
src/main/java/com/gmail/nossr50/util/uuid/UUIDFetcher.java Normal file
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@ -0,0 +1,87 @@
package com.gmail.nossr50.util.uuid;
import java.io.DataOutputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.UUID;
import java.util.concurrent.Callable;
import com.google.common.collect.ImmutableList;
import org.json.simple.JSONArray;
import org.json.simple.JSONObject;
import org.json.simple.JSONValue;
import org.json.simple.parser.JSONParser;
public class UUIDFetcher implements Callable<Map<String, UUID>> {
private static final int MAX_SEARCH = 100;
private static final String PROFILE_URL = "https://api.mojang.com/profiles/page/";
private static final String AGENT = "minecraft";
private final JSONParser jsonParser = new JSONParser();
private final List<String> names;
public UUIDFetcher(List<String> names) {
this.names = ImmutableList.copyOf(names);
}
public Map<String, UUID> call() throws Exception {
Map<String, UUID> uuidMap = new HashMap<String, UUID>();
String body = buildBody(names);
for (int i = 1; i < MAX_SEARCH; i++) {
HttpURLConnection connection = createConnection(i);
writeBody(connection, body);
JSONObject jsonObject = (JSONObject) jsonParser.parse(new InputStreamReader(connection.getInputStream()));
JSONArray array = (JSONArray) jsonObject.get("profiles");
Number count = (Number) jsonObject.get("size");
if (count.intValue() == 0) {
break;
}
for (Object profile : array) {
JSONObject jsonProfile = (JSONObject) profile;
String id = (String) jsonProfile.get("id");
String name = (String) jsonProfile.get("name");
UUID uuid = UUID.fromString(id.substring(0, 8) + "-" + id.substring(8, 12) + "-" + id.substring(12, 16) + "-" + id.substring(16, 20) + "-" + id.substring(20, 32));
uuidMap.put(name, uuid);
}
}
return uuidMap;
}
private static void writeBody(HttpURLConnection connection, String body) throws Exception {
DataOutputStream writer = new DataOutputStream(connection.getOutputStream());
writer.write(body.getBytes());
writer.flush();
writer.close();
}
private static HttpURLConnection createConnection(int page) throws Exception {
URL url = new URL(PROFILE_URL + page);
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
connection.setRequestMethod("POST");
connection.setRequestProperty("Content-Type", "application/json");
connection.setUseCaches(false);
connection.setDoInput(true);
connection.setDoOutput(true);
return connection;
}
@SuppressWarnings("unchecked")
private static String buildBody(List<String> names) {
List<JSONObject> lookups = new ArrayList<JSONObject>();
for (String name : names) {
JSONObject obj = new JSONObject();
obj.put("name", name);
obj.put("agent", AGENT);
lookups.add(obj);
}
return JSONValue.toJSONString(lookups);
}
}