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Update UUIDFetcher to handle more requests

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This commit is contained in:
gravitylow 2014-04-15 18:53:38 -04:00
parent 6c4cfd337e
commit 61c64a94db
1 changed files with 51 additions and 36 deletions
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87
src/main/java/com/massivecraft/factions/zcore/util/UUIDFetcher.java
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@ -3,18 +3,14 @@ package com.massivecraft.factions.zcore.util;
import com.google.common.collect.ImmutableList; import com.google.common.collect.ImmutableList;
import org.json.simple.JSONArray; import org.json.simple.JSONArray;
import org.json.simple.JSONObject; import org.json.simple.JSONObject;
import org.json.simple.JSONValue;
import org.json.simple.parser.JSONParser; import org.json.simple.parser.JSONParser;
import java.io.DataOutputStream;
import java.io.InputStreamReader; import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.HttpURLConnection; import java.net.HttpURLConnection;
import java.net.URL; import java.net.URL;
import java.util.ArrayList; import java.nio.ByteBuffer;
import java.util.HashMap; import java.util.*;
import java.util.List;
import java.util.Map;
import java.util.UUID;
import java.util.concurrent.Callable; import java.util.concurrent.Callable;
/** /**
@ -22,47 +18,52 @@ import java.util.concurrent.Callable;
*/ */
public class UUIDFetcher implements Callable<Map<String, UUID>> { public class UUIDFetcher implements Callable<Map<String, UUID>> {
private static final int MAX_SEARCH = 100; private static final double PROFILES_PER_REQUEST = 100;
private static final String PROFILE_URL = "https://api.mojang.com/profiles/page/"; private static final String PROFILE_URL = "https://api.mojang.com/profiles/minecraft";
private static final String AGENT = "minecraft";
private final JSONParser jsonParser = new JSONParser(); private final JSONParser jsonParser = new JSONParser();
private final List<String> names; private final List<String> names;
public UUIDFetcher(List<String> names) { private final boolean rateLimiting;
public UUIDFetcher(List<String> names, boolean rateLimiting) {
this.names = ImmutableList.copyOf(names); this.names = ImmutableList.copyOf(names);
this.rateLimiting = rateLimiting;
}
public UUIDFetcher(List<String> names) {
this(names, true);
} }
public Map<String, UUID> call() throws Exception { public Map<String, UUID> call() throws Exception {
Map<String, UUID> uuidMap = new HashMap<String, UUID>(); Map<String, UUID> uuidMap = new HashMap<String, UUID>();
String body = buildBody(names); int requests = (int) Math.ceil(names.size() / PROFILES_PER_REQUEST);
for (int i = 1; i < MAX_SEARCH; i++) { for (int i = 0; i < requests; i++) {
HttpURLConnection connection = createConnection(i); HttpURLConnection connection = createConnection();
String body = JSONArray.toJSONString(names.subList(i * 100, Math.min((i + 1) * 100, names.size())));
writeBody(connection, body); writeBody(connection, body);
JSONObject jsonObject = (JSONObject) jsonParser.parse(new InputStreamReader(connection.getInputStream())); JSONArray array = (JSONArray) 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) { for (Object profile : array) {
JSONObject jsonProfile = (JSONObject) profile; JSONObject jsonProfile = (JSONObject) profile;
String id = (String) jsonProfile.get("id"); String id = (String) jsonProfile.get("id");
String name = (String) jsonProfile.get("name"); 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)); UUID uuid = UUIDFetcher.getUUID(id);
uuidMap.put(name, uuid); uuidMap.put(name, uuid);
} }
if (rateLimiting && i != requests - 1) {
Thread.sleep(100L);
}
} }
return uuidMap; return uuidMap;
} }
private static void writeBody(HttpURLConnection connection, String body) throws Exception { private static void writeBody(HttpURLConnection connection, String body) throws Exception {
DataOutputStream writer = new DataOutputStream(connection.getOutputStream()); OutputStream stream = connection.getOutputStream();
writer.write(body.getBytes()); stream.write(body.getBytes());
writer.flush(); stream.flush();
writer.close(); stream.close();
} }
private static HttpURLConnection createConnection(int page) throws Exception { private static HttpURLConnection createConnection() throws Exception {
URL url = new URL(PROFILE_URL+page); URL url = new URL(PROFILE_URL);
HttpURLConnection connection = (HttpURLConnection) url.openConnection(); HttpURLConnection connection = (HttpURLConnection) url.openConnection();
connection.setRequestMethod("POST"); connection.setRequestMethod("POST");
connection.setRequestProperty("Content-Type", "application/json"); connection.setRequestProperty("Content-Type", "application/json");
@ -71,15 +72,29 @@ public class UUIDFetcher implements Callable<Map<String, UUID>> {
connection.setDoOutput(true); connection.setDoOutput(true);
return connection; return connection;
} }
@SuppressWarnings("unchecked")
private static String buildBody(List<String> names) { private static UUID getUUID(String id) {
List<JSONObject> lookups = new ArrayList<JSONObject>(); return UUID.fromString(id.substring(0, 8) + "-" + id.substring(8, 12) + "-" + id.substring(12, 16) + "-" + id.substring(16, 20) + "-" +id.substring(20, 32));
for (String name : names) { }
JSONObject obj = new JSONObject();
obj.put("name", name); public static byte[] toBytes(UUID uuid) {
obj.put("agent", AGENT); ByteBuffer byteBuffer = ByteBuffer.wrap(new byte[16]);
lookups.add(obj); byteBuffer.putLong(uuid.getMostSignificantBits());
byteBuffer.putLong(uuid.getLeastSignificantBits());
return byteBuffer.array();
}
public static UUID fromBytes(byte[] array) {
if (array.length != 16) {
throw new IllegalArgumentException("Illegal byte array length: " + array.length);
} }
return JSONValue.toJSONString(lookups); ByteBuffer byteBuffer = ByteBuffer.wrap(array);
long mostSignificant = byteBuffer.getLong();
long leastSignificant = byteBuffer.getLong();
return new UUID(mostSignificant, leastSignificant);
}
public static UUID getUUIDOf(String name) throws Exception {
return new UUIDFetcher(Arrays.asList(name)).call().get(name);
} }
} }