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Cache values from the mojang api

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This commit is contained in:
themode 2021-03-05 23:03:18 +01:00
parent c253a27260
commit 469a4a32f7
1 changed files with 44 additions and 9 deletions
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53
src/main/java/net/minestom/server/utils/mojang/MojangUtils.java
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@ -1,5 +1,7 @@
package net.minestom.server.utils.mojang;
import com.google.common.cache.Cache;
import com.google.common.cache.CacheBuilder;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;
import net.minestom.server.MinecraftServer;
@ -8,31 +10,64 @@ import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.io.IOException;
import java.util.concurrent.TimeUnit;
/**
* Utils class using mojang API.
*/
public final class MojangUtils {
private static final Cache<String, JsonObject> UUID_CACHE = CacheBuilder.newBuilder()
.expireAfterWrite(30, TimeUnit.SECONDS)
.softValues()
.build();
private static final Cache<String, JsonObject> USERNAME_CACHE = CacheBuilder.newBuilder()
.expireAfterWrite(30, TimeUnit.SECONDS)
.softValues()
.build();
@Nullable
public static JsonObject fromUuid(@NotNull String uuid) {
final String url = "https://sessionserver.mojang.com/session/minecraft/profile/" + uuid + "?unsigned=false";
try {
final String response = URLUtils.getText(url);
return JsonParser.parseString(response).getAsJsonObject();
} catch (IOException e) {
MinecraftServer.getExceptionManager().handleException(e);
return null;
// Check cache
{
final JsonObject jsonObject = UUID_CACHE.getIfPresent(uuid);
if (jsonObject != null) {
return jsonObject;
}
}
// Retrieve from the rate-limited Mojang API
final String url = "https://sessionserver.mojang.com/session/minecraft/profile/" + uuid + "?unsigned=false";
return retrieve(url, uuid, UUID_CACHE);
}
@Nullable
public static JsonObject fromUsername(@NotNull String username) {
// Check cache
{
final JsonObject jsonObject = USERNAME_CACHE.getIfPresent(username);
if (jsonObject != null) {
return jsonObject;
}
}
// Retrieve from the rate-limited Mojang API
final String url = "https://api.mojang.com/users/profiles/minecraft/" + username;
return retrieve(url, username, USERNAME_CACHE);
}
@Nullable
private static JsonObject retrieve(@NotNull String url, @NotNull String key,
@NotNull Cache<String, JsonObject> cache) {
try {
// Retrieve the mojang uuid from the name
final String response = URLUtils.getText(url);
return JsonParser.parseString(response).getAsJsonObject();
final JsonObject jsonObject = JsonParser.parseString(response).getAsJsonObject();
cache.put(key, jsonObject);
return jsonObject;
} catch (IOException e) {
MinecraftServer.getExceptionManager().handleException(e);
return null;