content: /*
   * Copyright (c) 2017, 2022, 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;
  
  import java.io.InputStream;
  import java.io.Reader;
  import java.sql.Blob;
  import java.sql.Clob;
  import java.util.Calendar;
  import java.util.concurrent.atomic.AtomicBoolean;
  import java.util.function.Supplier;
  
  import com.mysql.cj.conf.PropertySet;
  import com.mysql.cj.exceptions.ExceptionFactory;
  import com.mysql.cj.exceptions.ExceptionInterceptor;
  import com.mysql.cj.exceptions.WrongArgumentException;
  import com.mysql.cj.protocol.Message;
  import com.mysql.cj.protocol.Protocol;
  import com.mysql.cj.protocol.ServerSession;
  import com.mysql.cj.protocol.ValueEncoder;
  import com.mysql.cj.result.Field;
  
  public class NativeQueryBindValue implements BindValue {
  
      /** NULL indicator */
      protected boolean isNull;
  
      protected boolean isNational = false;
  
      protected MysqlType targetType = MysqlType.NULL;
  
      /** The value to store */
      public Object value;
  
      /** has this parameter been set? */
      protected boolean isSet = false;
  
      /* Calendar to be used for DATE and DATETIME values storing */
      public Calendar calendar;
  
      protected boolean escapeBytesIfNeeded = true;
  
      /** Is this query a LOAD DATA query? */
      protected boolean isLoadDataQuery = false;
  
      PropertySet pset;
      Protocol<?> protocol;
      ServerSession serverSession;
      ExceptionInterceptor exceptionInterceptor;
  
      private Field field = null;
      protected boolean keepOrigNanos = false;
      protected ValueEncoder valueEncoder = null;
      protected long scaleOrLength = -1;
      protected long boundBeforeExecutionNum = 0; // specific to ServerPreparedQuery
  
      /** The query attribute name */
      private String name;
  
      public NativeQueryBindValue(Session sess) {
          this.pset = sess.getPropertySet();
          this.protocol = ((NativeSession) sess).getProtocol();
          this.serverSession = sess.getServerSession();
          this.exceptionInterceptor = sess.getExceptionInterceptor();
      }
  
      @Override
      public NativeQueryBindValue clone() {
          return new NativeQueryBindValue(this);
      }
  
      protected NativeQueryBindValue(NativeQueryBindValue copyMe) {
          this.isNull = copyMe.isNull;
          this.targetType = copyMe.targetType;
          if (copyMe.value != null && copyMe.value instanceof byte[]) {
              this.value = new byte[((byte[]) copyMe.value).length];
              System.arraycopy(copyMe.value, 0, this.value, 0, ((byte[]) copyMe.value).length);
          } else {
              this.value = copyMe.value;
          }
          this.isSet = copyMe.isSet;
          this.pset = copyMe.pset;
          this.protocol = copyMe.protocol;
          this.serverSession = copyMe.serverSession;
          this.calendar = copyMe.calendar;
          this.escapeBytesIfNeeded = copyMe.escapeBytesIfNeeded;
          this.isLoadDataQuery = copyMe.isLoadDataQuery;
          this.isNational = copyMe.isNational;
          this.field = copyMe.field;
          this.keepOrigNanos = copyMe.keepOrigNanos;
          this.valueEncoder = copyMe.valueEncoder;
          this.scaleOrLength = copyMe.scaleOrLength;
          this.boundBeforeExecutionNum = copyMe.boundBeforeExecutionNum;
      }
  
      private boolean resetToType(MysqlType newTargetType) { // specific to ServerPreparedQuery
          // clear any possible old value
          reset();
  
          if (newTargetType == MysqlType.NULL) {
              // preserve the previous type to (possibly) avoid sending types at execution time
          } else if (this.targetType != newTargetType) {
              return true;
          }
  
          return false;
      }
  
      @Override
      public void setBinding(Object obj, MysqlType type, int numberOfExecutions, AtomicBoolean sendTypesToServer) {
          if (sendTypesToServer != null) {
              sendTypesToServer.compareAndSet(false, resetToType(type)); // specific to ServerPreparedQuery
          }
  
          this.value = obj;
          this.targetType = type;
          this.boundBeforeExecutionNum = numberOfExecutions;
  
          this.isNull = this.targetType == MysqlType.NULL;
          this.isSet = true;
          this.escapeBytesIfNeeded = true;
  
          Supplier<ValueEncoder> vc = this.protocol.getValueEncoderSupplier(this.isNull ? null : this.value);
          if (vc != null) {
              this.valueEncoder = vc.get();
              this.valueEncoder.init(this.pset, this.serverSession, this.exceptionInterceptor);
          } else {
              throw ExceptionFactory.createException(WrongArgumentException.class,
                      Messages.getString("PreparedStatement.67", new Object[] { obj.getClass().getName(), type.name() }), this.exceptionInterceptor);
          }
      }
  
      @Override
      public byte[] getByteValue() {
          if (this.valueEncoder != null) {
              return this.valueEncoder.getBytes(this);
          }
          return null;
      }
  
      @Override
      public void reset() {
          this.isNull = false;
          this.targetType = MysqlType.NULL;
          this.value = null;
          this.isSet = false;
          this.calendar = null; // TODO how is it set again?
          this.escapeBytesIfNeeded = true;
          this.isLoadDataQuery = false;
          this.isNational = false;
          this.field = null;
          this.keepOrigNanos = false;
          this.valueEncoder = null;
          this.scaleOrLength = -1;
      }
  
      @Override
      public boolean isNull() {
          return this.isNull;
      }
  
      @Override
      public void setNull(boolean isNull) {
          this.isNull = isNull;
          if (isNull) {
              this.targetType = MysqlType.NULL;
          }
          this.isSet = true;
      }
  
      @Override
      public boolean isStream() {
          return this.value instanceof InputStream || this.value instanceof Reader || this.value instanceof Clob || this.value instanceof Blob;
      }
  
      @Override
      public boolean isNational() {
          return this.isNational;
      }
  
      @Override
      public void setIsNational(boolean isNational) {
          this.isNational = isNational;
      }
  
      @Override
      public Object getValue() {
          return this.value;
      }
  
      @Override
      public Field getField() {
          return this.field;
      }
  
      @Override
      public void setField(Field field) {
          this.field = field;
      }
  
      @Override
      public boolean keepOrigNanos() {
          return this.keepOrigNanos;
      }
  
      @Override
      public void setKeepOrigNanos(boolean value) {
          this.keepOrigNanos = value;
      }
  
      @Override
      public MysqlType getMysqlType() {
          return this.targetType;
      }
  
      @Override
      public void setMysqlType(MysqlType type) {
          this.targetType = type;
      }
  
      @Override
      public boolean escapeBytesIfNeeded() {
          return this.escapeBytesIfNeeded;
      }
  
      @Override
      public void setEscapeBytesIfNeeded(boolean val) {
          this.escapeBytesIfNeeded = val;
      }
  
      @Override
      public boolean isSet() {
          return this.isSet;
      }
  
      @Override
      public Calendar getCalendar() {
          return this.calendar;
      }
  
      @Override
      public void setCalendar(Calendar cal) {
          this.calendar = cal;
  
      }
  
      public int getFieldType() {
          switch (this.targetType) {
              case NULL:
                  return MysqlType.FIELD_TYPE_NULL;
              case DECIMAL:
              case DECIMAL_UNSIGNED:
                  return MysqlType.FIELD_TYPE_NEWDECIMAL;
              case DOUBLE:
              case DOUBLE_UNSIGNED:
                  return MysqlType.FIELD_TYPE_DOUBLE;
              case BIGINT:
              case BIGINT_UNSIGNED:
                  return MysqlType.FIELD_TYPE_LONGLONG;
              case BOOLEAN:
              case TINYINT:
              case TINYINT_UNSIGNED:
                  return MysqlType.FIELD_TYPE_TINY;
              case BINARY:
              case VARBINARY:
              case CHAR:
              case VARCHAR:
                  return MysqlType.FIELD_TYPE_VAR_STRING;
              case FLOAT:
              case FLOAT_UNSIGNED:
                  return MysqlType.FIELD_TYPE_FLOAT;
              case SMALLINT:
              case SMALLINT_UNSIGNED:
              case MEDIUMINT:
              case MEDIUMINT_UNSIGNED:
                  return MysqlType.FIELD_TYPE_SHORT;
              case INT:
              case INT_UNSIGNED:
              case YEAR:
                  return MysqlType.FIELD_TYPE_LONG;
              case DATE:
                  return MysqlType.FIELD_TYPE_DATE;
              case TIME:
                  return MysqlType.FIELD_TYPE_TIME;
              case TIMESTAMP:
                  return MysqlType.FIELD_TYPE_TIMESTAMP;
              case DATETIME:
                  return MysqlType.FIELD_TYPE_DATETIME;
              case BLOB:
              case TEXT:
                  return MysqlType.FIELD_TYPE_BLOB;
              case TINYBLOB:
              case TINYTEXT:
                  return MysqlType.FIELD_TYPE_TINY_BLOB;
              case MEDIUMBLOB:
              case MEDIUMTEXT:
                  return MysqlType.FIELD_TYPE_MEDIUM_BLOB;
              case LONGBLOB:
              case LONGTEXT:
                  return MysqlType.FIELD_TYPE_LONG_BLOB;
              //            case BIT:
              //            case JSON:
              //            case ENUM:
              //            case SET:
              //            case GEOMETRY:
              default:
                  return MysqlType.FIELD_TYPE_VAR_STRING;
          }
      }
  
      @Override
      public long getTextLength() {
          return this.valueEncoder == null ? -1 : this.valueEncoder.getTextLength(this);
      }
  
      @Override
      public long getBinaryLength() {
          return this.valueEncoder == null ? -1 : this.valueEncoder.getBinaryLength(this);
      }
  
      @Override
      public long getBoundBeforeExecutionNum() { // specific to ServerPreparedQuery
          return this.boundBeforeExecutionNum;
      }
  
      @Override
      public String getString() {
          if (this.valueEncoder == null) {
              return "** NOT SPECIFIED **";
          }
          return this.valueEncoder.getString(this);
      }
  
      @Override
      public long getScaleOrLength() {
          return this.scaleOrLength;
      }
  
      @Override
      public void setScaleOrLength(long scaleOrLength) {
          this.scaleOrLength = scaleOrLength;
      }
  
      @Override
      public String getName() {
          return this.name;
      }
  
      @Override
      public void setName(String name) {
          this.name = name;
      }
  
      @Override
      public void writeAsText(Message intoMessage) {
          this.valueEncoder.encodeAsText(intoMessage, this);
      }
  
      @Override
      public void writeAsBinary(Message intoMessage) {
          this.valueEncoder.encodeAsBinary(intoMessage, this);
      }
  
      @Override
      public void writeAsQueryAttribute(Message intoMessage) {
          this.valueEncoder.encodeAsQueryAttribute(intoMessage, this);
      }
  }
  