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NameFetcher version 4, utilizing Mojang's name history API which doesn't get rate limited as hard.
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| /* | |
| * Copyright (c) 2015 Nate Mortensen | |
| * | |
| * Permission is hereby granted, free of charge, to any person obtaining a copy | |
| * of this software and associated documentation files (the "Software"), to deal | |
| * in the Software without restriction, including without limitation the rights | |
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
| * copies of the Software, and to permit persons to whom the Software is | |
| * furnished to do so, subject to the following conditions: | |
| * | |
| * The above copyright notice and this permission notice shall be included in | |
| * all copies or substantial portions of the Software. | |
| * | |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
| * THE SOFTWARE. | |
| */ | |
| package com.evilmidget38; | |
| import com.google.common.collect.ImmutableList; | |
| import java.net.URLConnection; | |
| import java.util.ArrayList; | |
| import java.util.Collections; | |
| import java.util.Comparator; | |
| import java.util.Date; | |
| import org.json.simple.JSONObject; | |
| import org.json.simple.parser.JSONParser; | |
| import java.io.InputStreamReader; | |
| import java.net.URL; | |
| import java.util.HashMap; | |
| import java.util.List; | |
| import java.util.Map; | |
| import java.util.UUID; | |
| import java.util.concurrent.Callable; | |
| public class NameFetcher implements Callable<Map<UUID, NameFetcher.Lookup<NameFetcher.NameHistory>>> { | |
| private static final String PROFILE_URL = "https://api.mojang.com/user/profiles/%s/names"; | |
| private final JSONParser jsonParser = new JSONParser(); | |
| private final List<UUID> uuids; | |
| public NameFetcher(List<UUID> uuids) { | |
| this.uuids = ImmutableList.copyOf(uuids); | |
| } | |
| @Override | |
| public Map<UUID, Lookup<NameHistory>> call() throws Exception { | |
| Map<UUID, Lookup<NameHistory>> uuidNameHistory = new HashMap<>(); | |
| for (UUID uuid: uuids) { | |
| try { | |
| URLConnection connection = new URL(String.format(PROFILE_URL, uuid.toString().replace("-", ""))).openConnection(); | |
| List<JSONObject> response = (List<JSONObject>) jsonParser.parse(new InputStreamReader(connection.getInputStream())); | |
| NameHistory history = new NameHistory(); | |
| for (JSONObject object : response) { | |
| String name = (String) object.get("name"); | |
| Date changedToAt = object.containsKey("changedToAt") ? new Date((long) object.get("changedToAt")) : null; | |
| history.getHistory().add(new NameHistoryEntry(name, changedToAt)); | |
| } | |
| history.sort(); | |
| uuidNameHistory.put(uuid, new Lookup<>(history, null)); | |
| } catch (Exception e) { | |
| uuidNameHistory.put(uuid, new Lookup<NameHistory>(null, e)); | |
| } | |
| } | |
| return uuidNameHistory; | |
| } | |
| public static Callable<Lookup<NameHistory>> getNameHistory(final UUID uuid) { | |
| return new Callable<Lookup<NameHistory>>() { | |
| @Override | |
| public Lookup<NameHistory> call() throws Exception { | |
| return new NameFetcher(Collections.singletonList(uuid)).call().get(uuid); | |
| } | |
| }; | |
| } | |
| public static class Lookup<T> { | |
| private final T value; | |
| private final Exception exception; | |
| public Lookup(T value, Exception exception) { | |
| this.value = value; | |
| this.exception = exception; | |
| } | |
| public boolean wasSuccessful() { | |
| return exception == null; | |
| } | |
| public T getValue() { | |
| return value; | |
| } | |
| public Exception getException() { | |
| return exception; | |
| } | |
| } | |
| public static class NameHistory { | |
| private final List<NameHistoryEntry> history = new ArrayList<>(); | |
| public String getOriginalName() { | |
| return history.get(0).getName(); | |
| } | |
| public String getCurrentName() { | |
| return history.get(history.size() - 1).getName(); | |
| } | |
| public List<NameHistoryEntry> getHistory() { | |
| return history; | |
| } | |
| private void sort() { | |
| Collections.sort(history, new Comparator<NameHistoryEntry>() { | |
| @Override | |
| public int compare(NameHistoryEntry o1, NameHistoryEntry o2) { | |
| if (o1.getChangedAt() == null) { | |
| return -1; | |
| } else if (o2.getChangedAt() == null) { | |
| return 1; | |
| } else { | |
| return o1.getChangedAt().compareTo(o2.getChangedAt()); | |
| } | |
| } | |
| }); | |
| } | |
| @Override | |
| public String toString() { | |
| return "NameHistory{" + | |
| "history=" + history + | |
| '}'; | |
| } | |
| } | |
| public static class NameHistoryEntry { | |
| private final String name; | |
| private final Date changedAt; | |
| public NameHistoryEntry(String name, Date changedAt) { | |
| this.name = name; | |
| this.changedAt = changedAt; | |
| } | |
| public String getName() { | |
| return name; | |
| } | |
| /** | |
| * Gets the date that the user changed to this name at. If this NameHistoryEntry represents the user's first | |
| * name, this value will be null. | |
| * | |
| * @return the date the user changed to this name or null | |
| */ | |
| public Date getChangedAt() { | |
| return changedAt; | |
| } | |
| @Override | |
| public String toString() { | |
| return "NameHistoryEntry{" + | |
| "name='" + name + '\'' + | |
| ", changedAt=" + changedAt + | |
| '}'; | |
| } | |
| } | |
| } |
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Can you give an example on how to use this? I imagine it's like your UUIDFetcher, but every time I try to get a response, it returns
$Lookup@<id>.