https://github.com/pgjdbc/pgjdbc: Java JDBC 4.2 (JRE 8+) driver for PostgreSQL database (PostgreSQL Global Development Group)
  • Dave Cramer
  • Kris Jurka
  • Oliver Jowett
  • Craig Ringer
  • Vladimir Sitnikov 
/*
 * Copyright (c) 2004, PostgreSQL Global Development Group
 * See the LICENSE file in the project root for more information.
 */

package org.postgresql.jdbc;

import org.postgresql.jdbc2.ArrayAssistant;
import org.postgresql.util.ByteConverter;

import java.util.UUID;

public class UUIDArrayAssistant implements ArrayAssistant {
  @Override
  public Class<?> baseType() {
    return UUID.class;
  }

  @Override
  public Object buildElement(byte[] bytes, int pos, int len) {
    return new UUID(ByteConverter.int8(bytes, pos + 0), ByteConverter.int8(bytes, pos + 8));
  }

  @Override
  public Object buildElement(String literal) {
    return UUID.fromString(literal);
  }
}