245 lines
8.5 KiB
Java
245 lines
8.5 KiB
Java
package net.citizensnpcs.npc.profile;
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import java.util.ArrayDeque;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.Deque;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import javax.annotation.Nullable;
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import org.bukkit.Bukkit;
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import com.google.common.base.Preconditions;
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import com.google.common.base.Throwables;
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import com.mojang.authlib.GameProfile;
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import com.mojang.authlib.ProfileLookupCallback;
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import net.citizensnpcs.api.CitizensAPI;
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import net.citizensnpcs.api.util.Messaging;
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import net.citizensnpcs.util.NMS;
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/**
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* Thread used to fetch profiles from the Mojang servers.
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*
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* <p>
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* Maintains a cache of profiles so that no profile is ever requested more than once during a single server session.
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* </p>
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*
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* @see ProfileFetcher
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*/
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class ProfileFetchThread implements Runnable {
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private final Deque<ProfileRequest> queue = new ArrayDeque<ProfileRequest>();
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private final Map<String, ProfileRequest> requested = new HashMap<String, ProfileRequest>(40);
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private final Object sync = new Object(); // sync for queue & requested fields
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ProfileFetchThread() {
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}
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/**
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* Fetch a profile.
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*
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* @param name
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* The name of the player the profile belongs to.
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* @param handler
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* Optional handler to handle result fetch result. Handler always invoked from the main thread.
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*
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* @see ProfileFetcher#fetch
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*/
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void fetch(String name, @Nullable ProfileFetchHandler handler) {
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Preconditions.checkNotNull(name);
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name = name.toLowerCase();
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ProfileRequest request;
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synchronized (sync) {
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request = requested.get(name);
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if (request == null) {
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request = new ProfileRequest(name, handler);
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queue.add(request);
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requested.put(name, request);
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return;
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} else if (request.getResult() == ProfileFetchResult.TOO_MANY_REQUESTS) {
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queue.add(request);
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}
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}
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if (handler != null) {
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if (request.getResult() == ProfileFetchResult.PENDING
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|| request.getResult() == ProfileFetchResult.TOO_MANY_REQUESTS) {
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addHandler(request, handler);
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} else {
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sendResult(handler, request);
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}
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}
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}
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public void fetchForced(String name, ProfileFetchHandler handler) {
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Preconditions.checkNotNull(name);
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name = name.toLowerCase();
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ProfileRequest request;
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synchronized (sync) {
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request = requested.get(name);
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if (request != null) {
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if (request.getResult() == ProfileFetchResult.TOO_MANY_REQUESTS) {
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queue.add(request);
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} else {
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requested.remove(name);
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queue.remove(request);
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request = null;
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}
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}
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if (request == null) {
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request = new ProfileRequest(name, handler);
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queue.add(request);
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requested.put(name, request);
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return;
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}
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}
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if (handler != null) {
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if (request.getResult() == ProfileFetchResult.PENDING
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|| request.getResult() == ProfileFetchResult.TOO_MANY_REQUESTS) {
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addHandler(request, handler);
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} else {
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sendResult(handler, request);
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}
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}
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}
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/**
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* Fetch one or more profiles.
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*
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* @param requests
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* The profile requests.
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*/
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private void fetchRequests(final Collection<ProfileRequest> requests) {
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Preconditions.checkNotNull(requests);
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String[] playerNames = new String[requests.size()];
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int i = 0;
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for (ProfileRequest request : requests) {
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playerNames[i++] = request.getPlayerName();
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}
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NMS.findProfilesByNames(playerNames, new ProfileLookupCallback() {
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@SuppressWarnings("unused")
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public void onProfileLookupFailed(GameProfile profile, Exception e) {
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onProfileLookupFailed(profile.getName(), e);
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}
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@Override
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public void onProfileLookupFailed(String profileName, Exception e) {
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if (Messaging.isDebugging()) {
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Messaging.debug("Profile lookup for player '" + profileName + "' failed: " + getExceptionMsg(e));
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Messaging.debug(Throwables.getStackTraceAsString(e));
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}
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ProfileRequest request = findRequest(profileName, requests);
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if (request == null)
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return;
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if (isProfileNotFound(e)) {
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request.setResult(null, ProfileFetchResult.NOT_FOUND);
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} else if (isTooManyRequests(e)) {
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request.setResult(null, ProfileFetchResult.TOO_MANY_REQUESTS);
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} else {
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request.setResult(null, ProfileFetchResult.FAILED);
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}
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}
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@Override
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public void onProfileLookupSucceeded(final GameProfile profile) {
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Messaging.idebug(() -> "Fetched profile " + profile.getId() + " for player " + profile.getName());
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ProfileRequest request = findRequest(profile.getName(), requests);
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if (request == null)
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return;
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try {
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request.setResult(NMS.fillProfileProperties(profile, true), ProfileFetchResult.SUCCESS);
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} catch (Throwable e) {
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if (Messaging.isDebugging()) {
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Messaging.debug("Filling profile lookup for player '" + profile.getName() + "' failed: "
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+ getExceptionMsg(e) + " " + isTooManyRequests(e));
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Messaging.debug(Throwables.getStackTraceAsString(e));
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}
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if (isTooManyRequests(e)) {
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request.setResult(null, ProfileFetchResult.TOO_MANY_REQUESTS);
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} else {
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request.setResult(null, ProfileFetchResult.FAILED);
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}
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}
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}
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});
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}
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@Override
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public void run() {
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List<ProfileRequest> requests;
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synchronized (sync) {
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if (queue.isEmpty())
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return;
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requests = new ArrayList<ProfileRequest>(queue);
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queue.clear();
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}
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try {
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fetchRequests(requests);
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} catch (Exception ex) {
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Messaging.severe("Error fetching skins: " + ex.getMessage());
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for (ProfileRequest req : requests) {
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req.setResult(null, ProfileFetchResult.FAILED);
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}
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}
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}
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private static void addHandler(final ProfileRequest request, final ProfileFetchHandler handler) {
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Bukkit.getScheduler().scheduleSyncDelayedTask(CitizensAPI.getPlugin(), () -> request.addHandler(handler), 1);
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}
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@Nullable
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private static ProfileRequest findRequest(String name, Collection<ProfileRequest> requests) {
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name = name.toLowerCase();
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for (ProfileRequest request : requests) {
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if (request.getPlayerName().equals(name)) {
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return request;
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}
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}
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return null;
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}
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private static String getExceptionMsg(Throwable e) {
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return Throwables.getRootCause(e).getMessage();
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}
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private static boolean isProfileNotFound(Exception e) {
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String message = e.getMessage();
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String cause = e.getCause() != null ? e.getCause().getMessage() : null;
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return (message != null && message.contains("did not find"))
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|| (cause != null && cause.contains("did not find"));
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}
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private static boolean isTooManyRequests(Throwable e) {
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String message = e.getMessage();
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String cause = e.getCause() != null ? e.getCause().getMessage() : null;
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return (message != null && message.contains("too many requests"))
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|| (cause != null && cause.contains("too many requests"));
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}
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private static void sendResult(final ProfileFetchHandler handler, final ProfileRequest request) {
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Bukkit.getScheduler().scheduleSyncDelayedTask(CitizensAPI.getPlugin(), () -> handler.onResult(request), 1);
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}
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}
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