content: /*
   * Copyright (c) 2015, 2020, Oracle and/or its affiliates.
   *
   * This program is free software; you can redistribute it and/or modify it under
   * the terms of the GNU General Public License, version 2.0, as published by the
   * Free Software Foundation.
   *
   * This program is also distributed with certain software (including but not
   * limited to OpenSSL) that is licensed under separate terms, as designated in a
   * particular file or component or in included license documentation. The
   * authors of MySQL hereby grant you an additional permission to link the
   * program and your derivative works with the separately licensed software that
   * they have included with MySQL.
   *
   * Without limiting anything contained in the foregoing, this file, which is
   * part of MySQL Connector/J, is also subject to the Universal FOSS Exception,
   * version 1.0, a copy of which can be found at
   * http://oss.oracle.com/licenses/universal-foss-exception.
   *
   * This program is distributed in the hope that it will be useful, but WITHOUT
   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
   * FOR A PARTICULAR PURPOSE. See the GNU General Public License, version 2.0,
   * for more details.
   *
   * You should have received a copy of the GNU General Public License along with
   * this program; if not, write to the Free Software Foundation, Inc.,
   * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
   */
  
  package com.mysql.cj.xdevapi;
  
  import java.io.IOException;
  import java.io.StringReader;
  
  import com.mysql.cj.conf.PropertySet;
  import com.mysql.cj.exceptions.AssertionFailedException;
  import com.mysql.cj.result.DefaultValueFactory;
  import com.mysql.cj.result.Field;
  import com.mysql.cj.result.ValueFactory;
  import com.mysql.cj.util.StringUtils;
  
  /**
   * A {@link ValueFactory} implementation to create {@link DbDoc}s.
   */
  public class DbDocValueFactory extends DefaultValueFactory<DbDoc> {
      /**
       * Constructor.
       * 
       * @param pset
       *            {@link PropertySet}
       */
      public DbDocValueFactory(PropertySet pset) {
          super(pset);
      }
  
      /**
       * Interpret the given byte array as a string. This value factory needs to know the encoding to interpret the string. The default (null) will interpret the
       * byte array using the platform encoding.
       */
      @Override
      public DbDoc createFromBytes(byte[] bytes, int offset, int length, Field f) {
          try {
              return JsonParser.parseDoc(new StringReader(StringUtils.toString(bytes, offset, length, f.getEncoding())));
          } catch (IOException ex) {
              throw AssertionFailedException.shouldNotHappen(ex);
          }
      }
  
      @Override
      public DbDoc createFromNull() {
          return null; // TODO: ? JsonValueLiteral.NULL;
      }
  
      public String getTargetTypeName() {
          return DbDoc.class.getName();
      }
  }
  