Java UUID.nameUUIDFromBytes方法代碼示例

import java.util.UUID; //導入方法依賴的package包/類
/**
 * Creates a server from given values by getting the ServerPattern and copying the files<br>
 * At this point it might be better to download the pattern from a webserver if you want to
 * have multiple daemon instances with the same pattern, BUT I see it as not important atm.
 *
 * @param type     The type of server (pattern)
 * @param autoSave Auto-save on shutdown?
 * @return The server
 */
public Server createServer(String type, boolean autoSave) {
    ServerFolder pattern = getPattern(type, false);
    if(pattern == null) {
        Daemon.getInstance().getLogs().info("There is no pattern available with type='" + type + "'!");
        return null;
    }
    File targetFolder = getServersFolder();

    int id = IOUtil.getNextId(targetFolder, TYPE_COUNT_SPLIT, type);
    File target2 = new File(targetFolder, pattern.getName() + TYPE_COUNT_SPLIT + id);

    UUID uuid = UUID.nameUUIDFromBytes((type + ":" + id).getBytes());

    pattern.copy(id, targetFolder);
    return new Server(this, id, uuid, new File(targetFolder, target2.getName()), autoSave);
}
 

import java.util.UUID; //導入方法依賴的package包/類
/**
 * Changes the data type of the source object to an UUID;
 */
@Override
protected UUID changeType(Class<?> sourceClass, Object source) {
	if (byte[].class.isAssignableFrom(sourceClass))
		return UUID.nameUUIDFromBytes((byte[]) source);
	else
		return super.changeType(sourceClass, source);
}
 

import java.util.UUID; //導入方法依賴的package包/類
public static UUID dataToUUID(String... params) {
    StringBuilder builder = new StringBuilder();
    for (String param : params) {
        builder.append(param);
    }
    return UUID.nameUUIDFromBytes(builder.toString().getBytes(StandardCharsets.UTF_8));
}
 

import java.util.UUID; //導入方法依賴的package包/類
public static UUID getUUID(String username) {
    if (JARCraftinator.getConfig().isOnlineMode()) {
        return null;
    } else {
        //For now, we'll use offline UUIDs. Online mode will be implemented later.
        return UUID.nameUUIDFromBytes(("OfflinePlayer:" + username).getBytes());
    }
}
 

import java.util.UUID; //導入方法依賴的package包/類
@Override
public UUID convert(Object value) {
    if (value == null) {
        return null;
    }
    else
    if (value instanceof UUID) {
        return (UUID)value;
    }
    else
    if (value instanceof String) {
        return UUID.fromString((String)value);
    }
    else
    if (value.getClass().isArray()) {
        if (value.getClass().getComponentType() == Byte.TYPE) {
            return UUID.nameUUIDFromBytes((byte[])value);
        }
        else
        if (value.getClass().getComponentType() == Character.TYPE) {
        	return UUID.fromString(String.valueOf((char[])value));
        }
        else {
            throw new IllegalArgumentException("Cannot convert to UUID "+
                "from array of \""+
                value.getClass().getComponentType()+"\"");
        }
    }
    else {
        return UUID.fromString(value.toString());
    }
}
 

import java.util.UUID; //導入方法依賴的package包/類
/**
 * Generates a GUID using a seed.  This will generate the same GUID usign the same seed.
 * @param seed The seed to use for generating the GUID
 * @return A string representation of the GUID
 */
public static String generateGuid(String seed) {
	UUID uuid;
	try {
		uuid = UUID.nameUUIDFromBytes(seed.getBytes("UTF-8"));
	} catch (UnsupportedEncodingException e) {
		throw new RuntimeException(String.format("UnsupportedEncodingException: %f", e.getMessage()));
	}
	return uuid.toString();
}
 

import java.util.UUID; //導入方法依賴的package包/類
public static UUID dataToUUID(byte[]... params) {
    ByteArrayOutputStream stream = new ByteArrayOutputStream();
    for (byte[] param : params) {
        try {
            stream.write(param);
        } catch (IOException e) {
            break;
        }
    }
    return UUID.nameUUIDFromBytes(stream.toByteArray());
}
 

import java.util.UUID; //導入方法依賴的package包/類
public static UUID getOfflineUUID(String username)
{
    return UUID.nameUUIDFromBytes(("OfflinePlayer:" + username).getBytes(Charsets.UTF_8));
}
 

import java.util.UUID; //導入方法依賴的package包/類
protected GameProfile getOfflineProfile(GameProfile original)
{
    UUID uuid = UUID.nameUUIDFromBytes(("OfflinePlayer:" + original.getName()).getBytes(Charsets.UTF_8));
    return new GameProfile(uuid, original.getName());
}
 

import java.util.UUID; //導入方法依賴的package包/類
public static UUID getUUID(String name) {
    return UUID.nameUUIDFromBytes(name.getBytes(StandardCharsets.UTF_8));
}
 

import java.util.UUID; //導入方法依賴的package包/類
protected static UUID getUUID(String existingServiceOfferingName) {
    return UUID.nameUUIDFromBytes((existingServiceOfferingName + SERVICE_PLAN_ENDING).getBytes());
}
 

import java.util.UUID; //導入方法依賴的package包/類
/**
 * Generates deterministic UUID from keyspace/columnfamily name pair.
 * This is used to generate the same UUID for {@code C* version < 2.1}
 *
 * Since 2.1, this is only used for system columnfamilies and tests.
 */
public static UUID generateLegacyCfId(String ksName, String cfName)
{
    return UUID.nameUUIDFromBytes(ArrayUtils.addAll(ksName.getBytes(), cfName.getBytes()));
}
 

import java.util.UUID; //導入方法依賴的package包/類
/**
 * This method will generate auth token based on name , source and timestamp
 *
 * @param name String
 * @param source String
 * @return String
 */
public static String createAuthToken(String name, String source) {
  String data = name + source + System.currentTimeMillis();
  UUID authId = UUID.nameUUIDFromBytes(data.getBytes(StandardCharsets.UTF_8));
  return authId.toString();
}