/* SQLOutput.java -- Write SQL values to a stream
   Copyright (C) 1999, 2000, 2002 Free Software Foundation, Inc.

This file is part of GNU Classpath.

GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
 
GNU Classpath 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 for more details.

You should have received a copy of the GNU General Public License
along with GNU Classpath; see the file COPYING.  If not, write to the
Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA.

Linking this library statically or dynamically with other modules is
making a combined work based on this library.  Thus, the terms and
conditions of the GNU General Public License cover the whole
combination.

As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
modules, and to copy and distribute the resulting executable under
terms of your choice, provided that you also meet, for each linked
independent module, the terms and conditions of the license of that
module.  An independent module is a module which is not derived from
or based on this library.  If you modify this library, you may extend
this exception to your version of the library, but you are not
obligated to do so.  If you do not wish to do so, delete this
exception statement from your version. */


package java.sql;

import java.io.InputStream;
import java.io.Reader;
import java.math.BigDecimal;
import java.net.URL;

/**
 * This interface provides methods for writing Java types to a SQL stream.
 * It is used for implemented custom type mappings for user defined data
 * types.
 *
 * @author Aaron M. Renn (arenn@urbanophile.com)
 */
public interface SQLOutput 
{
  /**
   * This method writes the specified Java <code>String</code>
   * to the SQL stream.
   *
   * @param value The value to write to the stream.
   * @exception SQLException If an error occurs.
   */
  void writeString(String x) throws SQLException;

  /**
   * This method writes the specified Java <code>boolean</code>
   * to the SQL stream.
   *
   * @param value The value to write to the stream.
   * @exception SQLException If an error occurs.
   */
  void writeBoolean(boolean x) throws SQLException;

  /**
   * This method writes the specified Java <code>byte</code>
   * to the SQL stream.
   *
   * @param value The value to write to the stream.
   * @exception SQLException If an error occurs.
   */
  void writeByte(byte x) throws SQLException;

  /**
   * This method writes the specified Java <code>short</code>
   * to the SQL stream.
   *
   * @param value The value to write to the stream.
   * @exception SQLException If an error occurs.
   */
  void writeShort(short x) throws SQLException;

  /**
   * This method writes the specified Java <code>int</code>
   * to the SQL stream.
   *
   * @param value The value to write to the stream.
   * @exception SQLException If an error occurs.
   */
  void writeInt(int x) throws SQLException;

  /**
   * This method writes the specified Java <code>long</code>
   * to the SQL stream.
   *
   * @param value The value to write to the stream.
   * @exception SQLException If an error occurs.
   */
  void writeLong(long x) throws SQLException;

  /**
   * This method writes the specified Java <code>float</code>
   * to the SQL stream.
   *
   * @param value The value to write to the stream.
   * @exception SQLException If an error occurs.
   */
  void writeFloat(float x) throws SQLException;

  /**
   * This method writes the specified Java <code>double</code>
   * to the SQL stream.
   *
   * @param value The value to write to the stream.
   * @exception SQLException If an error occurs.
   */
  void writeDouble(double x) throws SQLException;

  /**
   * This method writes the specified Java <code>BigDecimal</code>
   * to the SQL stream.
   *
   * @param value The value to write to the stream.
   * @exception SQLException If an error occurs.
   */
  void writeBigDecimal(BigDecimal x) throws SQLException;

  /**
   * This method writes the specified Java <code>byte</code> array
   * to the SQL stream.
   *
   * @param value The value to write to the stream.
   * @exception SQLException If an error occurs.
   */
  void writeBytes(byte[] x) throws SQLException;

  /**
   * This method writes the specified Java <code>java.sql.Date</code> 
   * to the SQL stream.
   *
   * @param value The value to write to the stream.
   * @exception SQLException If an error occurs.
   */
  void writeDate(Date x) throws SQLException;

  /**
   * This method writes the specified Java <code>java.sql.Time</code> 
   * to the SQL stream.
   *
   * @param value The value to write to the stream.
   * @exception SQLException If an error occurs.
   */
  void writeTime(Time x) throws SQLException;

  /**
   * This method writes the specified Java <code>java.sql.Timestamp</code> 
   * to the SQL stream.
   *
   * @param value The value to write to the stream.
   * @exception SQLException If an error occurs.
   */
  void writeTimestamp(Timestamp x) throws SQLException;

  /**
   * This method writes the specified Java character stream
   * to the SQL stream.
   *
   * @param value The value to write to the stream.
   * @exception SQLException If an error occurs.
   */
  void writeCharacterStream(Reader x) throws SQLException;

  /**
   * This method writes the specified ASCII text stream
   * to the SQL stream.
   *
   * @param value The value to write to the stream.
   * @exception SQLException If an error occurs.
   */
  void writeAsciiStream(InputStream x) throws SQLException;

  /**
   * This method writes the specified uninterpreted binary byte stream
   * to the SQL stream.
   *
   * @param value The value to write to the stream.
   * @exception SQLException If an error occurs.
   */
  void writeBinaryStream(InputStream x) throws SQLException;

  /**
   * This method writes the specified Java <code>SQLData</code> object
   * to the SQL stream.
   *
   * @param value The value to write to the stream.
   * @exception SQLException If an error occurs.
   */
  void writeObject(SQLData x) throws SQLException;

  /**
   * This method writes the specified Java SQL <code>Ref</code> object
   * to the SQL stream.
   *
   * @param value The value to write to the stream.
   * @exception SQLException If an error occurs.
   */
  void writeRef(Ref x) throws SQLException;

  /**
   * This method writes the specified Java SQL <code>Blob</code> object
   * to the SQL stream.
   *
   * @param value The value to write to the stream.
   * @exception SQLException If an error occurs.
   */
  void writeBlob(Blob x) throws SQLException;

  /**
   * This method writes the specified Java SQL <code>Clob</code> object
   * to the SQL stream.
   *
   * @param value The value to write to the stream.
   * @exception SQLException If an error occurs.
   */
  void writeClob(Clob x) throws SQLException;

  /**
   * This method writes the specified Java SQL <code>Struct</code> object
   * to the SQL stream.
   *
   * @param value The value to write to the stream.
   * @exception SQLException If an error occurs.
   */
  void writeStruct(Struct x) throws SQLException;

  /**
   * This method writes the specified Java SQL <code>Array</code> object
   * to the SQL stream.
   *
   * @param value The value to write to the stream.
   * @exception SQLException If an error occurs.
   */
  void writeArray(Array x) throws SQLException;

  /**
   * @since 1.4
   */
  void writeURL(URL x) throws SQLException;
}