jackcess/src/java/com/healthmarketscience/jackcess/ReplacementErrorHandler.java

/*
Copyright (c) 2008 Health Market Science, Inc.

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.

This library 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
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
USA

You can contact Health Market Science at info@healthmarketscience.com
or at the following address:

Health Market Science
2700 Horizon Drive
Suite 200
King of Prussia, PA 19406
*/

package com.healthmarketscience.jackcess;

import java.io.IOException;

/**
 * Simple implementation of an ErrorHandler which always returns the
 * configured object.
 * 
 * @author James Ahlborn
 */
public class ReplacementErrorHandler implements ErrorHandler
{

  private final Object _replacement;

  /**
   * Constructs a ReplacementErrorHandler which replaces all errored values
   * with {@code null}.
   */
  public ReplacementErrorHandler() {
    this(null);
  }

  /**
   * Constructs a ReplacementErrorHandler which replaces all errored values
   * with the given Object.
   */
  public ReplacementErrorHandler(Object replacement) {
    _replacement = replacement;
  }

  public Object handleRowError(Column column,
                               byte[] columnData,
                               Table.RowState rowState,
                               Exception error)
    throws IOException
  {
    return _replacement;
  }

}