/*
    * Licensed to the Apache Software Foundation (ASF) under one or more
    * contributor license agreements.  See the NOTICE file distributed with
    * this work for additional information regarding copyright ownership.
    * The ASF licenses this file to You under the Apache License, Version 2.0
    * (the "License"); you may not use this file except in compliance with
    * the License.  You may obtain a copy of the License at
    *
    *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.apache.commons.dbcp2;
  
  import java.io.InputStream;
  import java.io.Reader;
  import java.math.BigDecimal;
  import java.sql.Array;
  import java.sql.Blob;
  import java.sql.Clob;
  import java.sql.Connection;
  import java.sql.Date;
  import java.sql.NClob;
  import java.sql.Ref;
  import java.sql.ResultSet;
  import java.sql.ResultSetMetaData;
  import java.sql.RowId;
  import java.sql.SQLException;
  import java.sql.SQLType;
  import java.sql.SQLWarning;
  import java.sql.SQLXML;
  import java.sql.Statement;
  import java.sql.Time;
  import java.sql.Timestamp;
  import java.util.Calendar;
  import java.util.Map;
  
  /**
   * A base delegating implementation of {@link ResultSet}.
   * <p>
   * All of the methods from the {@link ResultSet} interface simply call the corresponding method on the "delegate"
   * provided in my constructor.
   * </p>
   * <p>
   * Extends AbandonedTrace to implement result set tracking and logging of code which created the ResultSet. Tracking the
   * ResultSet ensures that the Statement which created it can close any open ResultSet's on Statement close.
   * </p>
   *
   * @since 2.0
   */
  public final class DelegatingResultSet extends AbandonedTrace implements ResultSet {
  
      /**
       * Wraps the given result set in a delegate.
       *
       * @param connection
       *            The Connection which created the ResultSet.
       * @param resultSet
       *            The ResultSet to wrap.
       * @return a new delegate.
       */
      public static ResultSet wrapResultSet(final Connection connection, final ResultSet resultSet) {
          if (null == resultSet) {
              return null;
          }
          return new DelegatingResultSet(connection, resultSet);
      }
  
      /**
       * Wraps the given result set in a delegate.
       *
       * @param statement
       *            The Statement which created the ResultSet.
       * @param resultSet
       *            The ResultSet to wrap.
       * @return a new delegate.
       */
      public static ResultSet wrapResultSet(final Statement statement, final ResultSet resultSet) {
          if (null == resultSet) {
              return null;
          }
          return new DelegatingResultSet(statement, resultSet);
      }
  
      /** My delegate. **/
      private final ResultSet resultSet;
  
      /** The Statement that created me, if any. **/
      private Statement statement;
  
      /** The Connection that created me, if any. **/
      private Connection connection;
  
      /**
       * Creates a wrapper for the ResultSet which traces this ResultSet to the Connection which created it (via, for
      * example DatabaseMetadata), and the code which created it.
      * <p>
      * Private to ensure all construction is {@link #wrapResultSet(Connection, ResultSet)}
      * </p>
      *
      * @param connection
      *            Connection which created this ResultSet
      * @param resultSet
      *            ResultSet to wrap
      */
     private DelegatingResultSet(final Connection connection, final ResultSet resultSet) {
         super((AbandonedTrace) connection);
         this.connection = connection;
         this.resultSet = resultSet;
     }
 
     /**
      * Creates a wrapper for the ResultSet which traces this ResultSet to the Statement which created it and the code
      * which created it.
      * <p>
      * Private to ensure all construction is {@link #wrapResultSet(Statement, ResultSet)}
      * </p>
      *
      * @param statement
      *            The Statement which created the ResultSet.
      * @param resultSet
      *            The ResultSet to wrap.
      */
     private DelegatingResultSet(final Statement statement, final ResultSet resultSet) {
         super((AbandonedTrace) statement);
         this.statement = statement;
         this.resultSet = resultSet;
     }
 
     @Override
     public boolean absolute(final int row) throws SQLException {
         try {
             return resultSet.absolute(row);
         } catch (final SQLException e) {
             handleException(e);
             return false;
         }
     }
 
     @Override
     public void afterLast() throws SQLException {
         try {
             resultSet.afterLast();
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void beforeFirst() throws SQLException {
         try {
             resultSet.beforeFirst();
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void cancelRowUpdates() throws SQLException {
         try {
             resultSet.cancelRowUpdates();
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void clearWarnings() throws SQLException {
         try {
             resultSet.clearWarnings();
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     /**
      * Wrapper for close of ResultSet which removes this result set from being traced then calls close on the original
      * ResultSet.
      */
     @Override
     public void close() throws SQLException {
         try {
             if (statement != null) {
                 removeThisTrace(statement);
                 statement = null;
             }
             if (connection != null) {
                 removeThisTrace(connection);
                 connection = null;
             }
             resultSet.close();
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void deleteRow() throws SQLException {
         try {
             resultSet.deleteRow();
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public int findColumn(final String columnName) throws SQLException {
         try {
             return resultSet.findColumn(columnName);
         } catch (final SQLException e) {
             handleException(e);
             return 0;
         }
     }
 
     @Override
     public boolean first() throws SQLException {
         try {
             return resultSet.first();
         } catch (final SQLException e) {
             handleException(e);
             return false;
         }
     }
 
     @Override
     public Array getArray(final int i) throws SQLException {
         try {
             return resultSet.getArray(i);
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     @Override
     public Array getArray(final String colName) throws SQLException {
         try {
             return resultSet.getArray(colName);
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     @Override
     public InputStream getAsciiStream(final int columnIndex) throws SQLException {
         try {
             return resultSet.getAsciiStream(columnIndex);
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     @Override
     public InputStream getAsciiStream(final String columnName) throws SQLException {
         try {
             return resultSet.getAsciiStream(columnName);
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     @Override
     public BigDecimal getBigDecimal(final int columnIndex) throws SQLException {
         try {
             return resultSet.getBigDecimal(columnIndex);
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     /** @deprecated Use {@link #getBigDecimal(int)} */
     @Deprecated
     @Override
     public BigDecimal getBigDecimal(final int columnIndex, final int scale) throws SQLException {
         try {
             return resultSet.getBigDecimal(columnIndex);
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     @Override
     public BigDecimal getBigDecimal(final String columnName) throws SQLException {
         try {
             return resultSet.getBigDecimal(columnName);
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     /** @deprecated Use {@link #getBigDecimal(String)} */
     @Deprecated
     @Override
     public BigDecimal getBigDecimal(final String columnName, final int scale) throws SQLException {
         try {
             return resultSet.getBigDecimal(columnName);
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     @Override
     public InputStream getBinaryStream(final int columnIndex) throws SQLException {
         try {
             return resultSet.getBinaryStream(columnIndex);
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     @Override
     public InputStream getBinaryStream(final String columnName) throws SQLException {
         try {
             return resultSet.getBinaryStream(columnName);
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     @Override
     public Blob getBlob(final int i) throws SQLException {
         try {
             return resultSet.getBlob(i);
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     @Override
     public Blob getBlob(final String colName) throws SQLException {
         try {
             return resultSet.getBlob(colName);
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     @Override
     public boolean getBoolean(final int columnIndex) throws SQLException {
         try {
             return resultSet.getBoolean(columnIndex);
         } catch (final SQLException e) {
             handleException(e);
             return false;
         }
     }
 
     @Override
     public boolean getBoolean(final String columnName) throws SQLException {
         try {
             return resultSet.getBoolean(columnName);
         } catch (final SQLException e) {
             handleException(e);
             return false;
         }
     }
 
     @Override
     public byte getByte(final int columnIndex) throws SQLException {
         try {
             return resultSet.getByte(columnIndex);
         } catch (final SQLException e) {
             handleException(e);
             return 0;
         }
     }
 
     @Override
     public byte getByte(final String columnName) throws SQLException {
         try {
             return resultSet.getByte(columnName);
         } catch (final SQLException e) {
             handleException(e);
             return 0;
         }
     }
 
     @Override
     public byte[] getBytes(final int columnIndex) throws SQLException {
         try {
             return resultSet.getBytes(columnIndex);
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     @Override
     public byte[] getBytes(final String columnName) throws SQLException {
         try {
             return resultSet.getBytes(columnName);
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     @Override
     public Reader getCharacterStream(final int columnIndex) throws SQLException {
         try {
             return resultSet.getCharacterStream(columnIndex);
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     @Override
     public Reader getCharacterStream(final String columnName) throws SQLException {
         try {
             return resultSet.getCharacterStream(columnName);
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     @Override
     public Clob getClob(final int i) throws SQLException {
         try {
             return resultSet.getClob(i);
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     @Override
     public Clob getClob(final String colName) throws SQLException {
         try {
             return resultSet.getClob(colName);
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     @Override
     public int getConcurrency() throws SQLException {
         try {
             return resultSet.getConcurrency();
         } catch (final SQLException e) {
             handleException(e);
             return 0;
         }
     }
 
     @Override
     public String getCursorName() throws SQLException {
         try {
             return resultSet.getCursorName();
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     @Override
     public Date getDate(final int columnIndex) throws SQLException {
         try {
             return resultSet.getDate(columnIndex);
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     @Override
     public Date getDate(final int columnIndex, final Calendar cal) throws SQLException {
         try {
             return resultSet.getDate(columnIndex, cal);
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     @Override
     public Date getDate(final String columnName) throws SQLException {
         try {
             return resultSet.getDate(columnName);
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     @Override
     public Date getDate(final String columnName, final Calendar cal) throws SQLException {
         try {
             return resultSet.getDate(columnName, cal);
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     /**
      * Gets my delegate.
      *
      * @return my delegate.
      */
     public ResultSet getDelegate() {
         return resultSet;
     }
 
     @Override
     public double getDouble(final int columnIndex) throws SQLException {
         try {
             return resultSet.getDouble(columnIndex);
         } catch (final SQLException e) {
             handleException(e);
             return 0;
         }
     }
 
     @Override
     public double getDouble(final String columnName) throws SQLException {
         try {
             return resultSet.getDouble(columnName);
         } catch (final SQLException e) {
             handleException(e);
             return 0;
         }
     }
 
     @Override
     public int getFetchDirection() throws SQLException {
         try {
             return resultSet.getFetchDirection();
         } catch (final SQLException e) {
             handleException(e);
             return 0;
         }
     }
 
     @Override
     public int getFetchSize() throws SQLException {
         try {
             return resultSet.getFetchSize();
         } catch (final SQLException e) {
             handleException(e);
             return 0;
         }
     }
 
     @Override
     public float getFloat(final int columnIndex) throws SQLException {
         try {
             return resultSet.getFloat(columnIndex);
         } catch (final SQLException e) {
             handleException(e);
             return 0;
         }
     }
 
     @Override
     public float getFloat(final String columnName) throws SQLException {
         try {
             return resultSet.getFloat(columnName);
         } catch (final SQLException e) {
             handleException(e);
             return 0;
         }
     }
 
     @Override
     public int getHoldability() throws SQLException {
         try {
             return resultSet.getHoldability();
         } catch (final SQLException e) {
             handleException(e);
             return 0;
         }
     }
 
     /**
      * If my underlying {@link ResultSet} is not a {@code DelegatingResultSet}, returns it, otherwise recursively
      * invokes this method on my delegate.
      * <p>
      * Hence this method will return the first delegate that is not a {@code DelegatingResultSet}, or {@code null} when
      * no non-{@code DelegatingResultSet} delegate can be found by traversing this chain.
      * </p>
      * <p>
      * This method is useful when you may have nested {@code DelegatingResultSet}s, and you want to make sure to obtain
      * a "genuine" {@link ResultSet}.
      * </p>
      *
      * @return the innermost delegate.
      */
     @SuppressWarnings("resource")
     public ResultSet getInnermostDelegate() {
         ResultSet r = resultSet;
         while (r instanceof DelegatingResultSet) {
             r = ((DelegatingResultSet) r).getDelegate();
             if (this == r) {
                 return null;
             }
         }
         return r;
     }
 
     @Override
     public int getInt(final int columnIndex) throws SQLException {
         try {
             return resultSet.getInt(columnIndex);
         } catch (final SQLException e) {
             handleException(e);
             return 0;
         }
     }
 
     @Override
     public int getInt(final String columnName) throws SQLException {
         try {
             return resultSet.getInt(columnName);
         } catch (final SQLException e) {
             handleException(e);
             return 0;
         }
     }
 
     @Override
     public long getLong(final int columnIndex) throws SQLException {
         try {
             return resultSet.getLong(columnIndex);
         } catch (final SQLException e) {
             handleException(e);
             return 0;
         }
     }
 
     @Override
     public long getLong(final String columnName) throws SQLException {
         try {
             return resultSet.getLong(columnName);
         } catch (final SQLException e) {
             handleException(e);
             return 0;
         }
     }
 
     @Override
     public ResultSetMetaData getMetaData() throws SQLException {
         try {
             return resultSet.getMetaData();
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     @Override
     public Reader getNCharacterStream(final int columnIndex) throws SQLException {
         try {
             return resultSet.getNCharacterStream(columnIndex);
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     @Override
     public Reader getNCharacterStream(final String columnLabel) throws SQLException {
         try {
             return resultSet.getNCharacterStream(columnLabel);
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     @Override
     public NClob getNClob(final int columnIndex) throws SQLException {
         try {
             return resultSet.getNClob(columnIndex);
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     @Override
     public NClob getNClob(final String columnLabel) throws SQLException {
         try {
             return resultSet.getNClob(columnLabel);
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     @Override
     public String getNString(final int columnIndex) throws SQLException {
         try {
             return resultSet.getNString(columnIndex);
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     @Override
     public String getNString(final String columnLabel) throws SQLException {
         try {
             return resultSet.getNString(columnLabel);
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     @Override
     public Object getObject(final int columnIndex) throws SQLException {
         try {
             return resultSet.getObject(columnIndex);
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     @Override
     public <T> T getObject(final int columnIndex, final Class<T> type) throws SQLException {
         try {
             return Jdbc41Bridge.getObject(resultSet, columnIndex, type);
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     @Override
     public Object getObject(final int i, final Map<String, Class<?>> map) throws SQLException {
         try {
             return resultSet.getObject(i, map);
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     @Override
     public Object getObject(final String columnName) throws SQLException {
         try {
             return resultSet.getObject(columnName);
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     @Override
     public <T> T getObject(final String columnLabel, final Class<T> type) throws SQLException {
         try {
             return Jdbc41Bridge.getObject(resultSet, columnLabel, type);
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     @Override
     public Object getObject(final String colName, final Map<String, Class<?>> map) throws SQLException {
         try {
             return resultSet.getObject(colName, map);
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     @Override
     public Ref getRef(final int i) throws SQLException {
         try {
             return resultSet.getRef(i);
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     @Override
     public Ref getRef(final String colName) throws SQLException {
         try {
             return resultSet.getRef(colName);
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     @Override
     public int getRow() throws SQLException {
         try {
             return resultSet.getRow();
         } catch (final SQLException e) {
             handleException(e);
             return 0;
         }
     }
 
     @Override
     public RowId getRowId(final int columnIndex) throws SQLException {
         try {
             return resultSet.getRowId(columnIndex);
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     @Override
     public RowId getRowId(final String columnLabel) throws SQLException {
         try {
             return resultSet.getRowId(columnLabel);
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     @Override
     public short getShort(final int columnIndex) throws SQLException {
         try {
             return resultSet.getShort(columnIndex);
         } catch (final SQLException e) {
             handleException(e);
             return 0;
         }
     }
 
     @Override
     public short getShort(final String columnName) throws SQLException {
         try {
             return resultSet.getShort(columnName);
         } catch (final SQLException e) {
             handleException(e);
             return 0;
         }
     }
 
     @Override
     public SQLXML getSQLXML(final int columnIndex) throws SQLException {
         try {
             return resultSet.getSQLXML(columnIndex);
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     @Override
     public SQLXML getSQLXML(final String columnLabel) throws SQLException {
         try {
             return resultSet.getSQLXML(columnLabel);
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     @Override
     public Statement getStatement() throws SQLException {
         return statement;
     }
 
     @Override
     public String getString(final int columnIndex) throws SQLException {
         try {
             return resultSet.getString(columnIndex);
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     @Override
     public String getString(final String columnName) throws SQLException {
         try {
             return resultSet.getString(columnName);
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     @Override
     public Time getTime(final int columnIndex) throws SQLException {
         try {
             return resultSet.getTime(columnIndex);
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     @Override
     public Time getTime(final int columnIndex, final Calendar cal) throws SQLException {
         try {
             return resultSet.getTime(columnIndex, cal);
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     @Override
     public Time getTime(final String columnName) throws SQLException {
         try {
             return resultSet.getTime(columnName);
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     @Override
     public Time getTime(final String columnName, final Calendar cal) throws SQLException {
         try {
             return resultSet.getTime(columnName, cal);
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     @Override
     public Timestamp getTimestamp(final int columnIndex) throws SQLException {
         try {
             return resultSet.getTimestamp(columnIndex);
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     @Override
     public Timestamp getTimestamp(final int columnIndex, final Calendar cal) throws SQLException {
         try {
             return resultSet.getTimestamp(columnIndex, cal);
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     @Override
     public Timestamp getTimestamp(final String columnName) throws SQLException {
         try {
             return resultSet.getTimestamp(columnName);
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     @Override
     public Timestamp getTimestamp(final String columnName, final Calendar cal) throws SQLException {
         try {
             return resultSet.getTimestamp(columnName, cal);
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     @Override
     public int getType() throws SQLException {
         try {
             return resultSet.getType();
         } catch (final SQLException e) {
             handleException(e);
             return 0;
         }
     }
 
     /** @deprecated Use {@link #getCharacterStream(int)} */
     @Deprecated
     @Override
     public InputStream getUnicodeStream(final int columnIndex) throws SQLException {
         try {
             return resultSet.getUnicodeStream(columnIndex);
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     /** @deprecated Use {@link #getCharacterStream(String)} */
     @Deprecated
     @Override
     public InputStream getUnicodeStream(final String columnName) throws SQLException {
         try {
             return resultSet.getUnicodeStream(columnName);
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     @Override
     public java.net.URL getURL(final int columnIndex) throws SQLException {
         try {
             return resultSet.getURL(columnIndex);
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     @Override
     public java.net.URL getURL(final String columnName) throws SQLException {
         try {
             return resultSet.getURL(columnName);
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     @Override
     public SQLWarning getWarnings() throws SQLException {
         try {
             return resultSet.getWarnings();
         } catch (final SQLException e) {
             handleException(e);
             return null;
         }
     }
 
     protected void handleException(final SQLException e) throws SQLException {
         if (statement instanceof DelegatingStatement) {
             ((DelegatingStatement) statement).handleException(e);
         } else if (connection instanceof DelegatingConnection) {
             ((DelegatingConnection<?>) connection).handleException(e);
         } else {
             throw e;
         }
     }
 
     @Override
     public void insertRow() throws SQLException {
         try {
             resultSet.insertRow();
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public boolean isAfterLast() throws SQLException {
         try {
             return resultSet.isAfterLast();
         } catch (final SQLException e) {
             handleException(e);
             return false;
         }
     }
 
     @Override
     public boolean isBeforeFirst() throws SQLException {
         try {
             return resultSet.isBeforeFirst();
         } catch (final SQLException e) {
             handleException(e);
             return false;
         }
     }
 
     @Override
     public boolean isClosed() throws SQLException {
         try {
             return resultSet.isClosed();
         } catch (final SQLException e) {
             handleException(e);
             return false;
         }
     }
 
     @Override
     public boolean isFirst() throws SQLException {
         try {
             return resultSet.isFirst();
         } catch (final SQLException e) {
             handleException(e);
             return false;
         }
     }
 
     @Override
     public boolean isLast() throws SQLException {
         try {
             return resultSet.isLast();
         } catch (final SQLException e) {
             handleException(e);
             return false;
         }
     }
 
     @Override
     public boolean isWrapperFor(final Class<?> iface) throws SQLException {
         if (iface.isAssignableFrom(getClass())) {
             return true;
         }
         if (iface.isAssignableFrom(resultSet.getClass())) {
             return true;
         }
         return resultSet.isWrapperFor(iface);
     }
 
     @Override
     public boolean last() throws SQLException {
         try {
             return resultSet.last();
         } catch (final SQLException e) {
             handleException(e);
             return false;
         }
     }
 
     @Override
     public void moveToCurrentRow() throws SQLException {
         try {
             resultSet.moveToCurrentRow();
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void moveToInsertRow() throws SQLException {
         try {
             resultSet.moveToInsertRow();
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public boolean next() throws SQLException {
         try {
             return resultSet.next();
         } catch (final SQLException e) {
             handleException(e);
             return false;
         }
     }
 
     @Override
     public boolean previous() throws SQLException {
         try {
             return resultSet.previous();
         } catch (final SQLException e) {
             handleException(e);
             return false;
         }
     }
 
     @Override
     public void refreshRow() throws SQLException {
         try {
             resultSet.refreshRow();
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public boolean relative(final int rows) throws SQLException {
         try {
             return resultSet.relative(rows);
         } catch (final SQLException e) {
             handleException(e);
             return false;
         }
     }
 
     @Override
     public boolean rowDeleted() throws SQLException {
         try {
             return resultSet.rowDeleted();
         } catch (final SQLException e) {
             handleException(e);
             return false;
         }
     }
 
     @Override
     public boolean rowInserted() throws SQLException {
         try {
             return resultSet.rowInserted();
         } catch (final SQLException e) {
             handleException(e);
             return false;
         }
     }
 
     @Override
     public boolean rowUpdated() throws SQLException {
         try {
             return resultSet.rowUpdated();
         } catch (final SQLException e) {
             handleException(e);
             return false;
         }
     }
 
     @Override
     public void setFetchDirection(final int direction) throws SQLException {
         try {
             resultSet.setFetchDirection(direction);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void setFetchSize(final int rows) throws SQLException {
         try {
             resultSet.setFetchSize(rows);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public synchronized String toString() {
         return super.toString() + "[resultSet=" + resultSet + ", statement=" + statement + ", connection=" + connection + "]";
     }
 
     @Override
     public <T> T unwrap(final Class<T> iface) throws SQLException {
         if (iface.isAssignableFrom(getClass())) {
             return iface.cast(this);
         }
         if (iface.isAssignableFrom(resultSet.getClass())) {
             return iface.cast(resultSet);
         }
         return resultSet.unwrap(iface);
     }
 
     @Override
     public void updateArray(final int columnIndex, final Array x) throws SQLException {
         try {
             resultSet.updateArray(columnIndex, x);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateArray(final String columnName, final Array x) throws SQLException {
         try {
             resultSet.updateArray(columnName, x);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateAsciiStream(final int columnIndex, final InputStream inputStream) throws SQLException {
         try {
             resultSet.updateAsciiStream(columnIndex, inputStream);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateAsciiStream(final int columnIndex, final InputStream x, final int length) throws SQLException {
         try {
             resultSet.updateAsciiStream(columnIndex, x, length);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateAsciiStream(final int columnIndex, final InputStream inputStream, final long length)
             throws SQLException {
         try {
             resultSet.updateAsciiStream(columnIndex, inputStream, length);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateAsciiStream(final String columnLabel, final InputStream inputStream) throws SQLException {
         try {
             resultSet.updateAsciiStream(columnLabel, inputStream);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateAsciiStream(final String columnName, final InputStream x, final int length) throws SQLException {
         try {
             resultSet.updateAsciiStream(columnName, x, length);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateAsciiStream(final String columnLabel, final InputStream inputStream, final long length)
             throws SQLException {
         try {
             resultSet.updateAsciiStream(columnLabel, inputStream, length);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateBigDecimal(final int columnIndex, final BigDecimal x) throws SQLException {
         try {
             resultSet.updateBigDecimal(columnIndex, x);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateBigDecimal(final String columnName, final BigDecimal x) throws SQLException {
         try {
             resultSet.updateBigDecimal(columnName, x);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateBinaryStream(final int columnIndex, final InputStream inputStream) throws SQLException {
         try {
             resultSet.updateBinaryStream(columnIndex, inputStream);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateBinaryStream(final int columnIndex, final InputStream x, final int length) throws SQLException {
         try {
             resultSet.updateBinaryStream(columnIndex, x, length);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateBinaryStream(final int columnIndex, final InputStream inputStream, final long length)
             throws SQLException {
         try {
             resultSet.updateBinaryStream(columnIndex, inputStream, length);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateBinaryStream(final String columnLabel, final InputStream inputStream) throws SQLException {
         try {
             resultSet.updateBinaryStream(columnLabel, inputStream);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateBinaryStream(final String columnName, final InputStream x, final int length) throws SQLException {
         try {
             resultSet.updateBinaryStream(columnName, x, length);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateBinaryStream(final String columnLabel, final InputStream inputStream, final long length)
             throws SQLException {
         try {
             resultSet.updateBinaryStream(columnLabel, inputStream, length);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateBlob(final int columnIndex, final Blob x) throws SQLException {
         try {
             resultSet.updateBlob(columnIndex, x);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateBlob(final int columnIndex, final InputStream inputStream) throws SQLException {
         try {
             resultSet.updateBlob(columnIndex, inputStream);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateBlob(final int columnIndex, final InputStream inputStream, final long length)
             throws SQLException {
         try {
             resultSet.updateBlob(columnIndex, inputStream, length);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateBlob(final String columnName, final Blob x) throws SQLException {
         try {
             resultSet.updateBlob(columnName, x);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateBlob(final String columnLabel, final InputStream inputStream) throws SQLException {
         try {
             resultSet.updateBlob(columnLabel, inputStream);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateBlob(final String columnLabel, final InputStream inputStream, final long length)
             throws SQLException {
         try {
             resultSet.updateBlob(columnLabel, inputStream, length);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateBoolean(final int columnIndex, final boolean x) throws SQLException {
         try {
             resultSet.updateBoolean(columnIndex, x);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateBoolean(final String columnName, final boolean x) throws SQLException {
         try {
             resultSet.updateBoolean(columnName, x);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateByte(final int columnIndex, final byte x) throws SQLException {
         try {
             resultSet.updateByte(columnIndex, x);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateByte(final String columnName, final byte x) throws SQLException {
         try {
             resultSet.updateByte(columnName, x);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateBytes(final int columnIndex, final byte[] x) throws SQLException {
         try {
             resultSet.updateBytes(columnIndex, x);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateBytes(final String columnName, final byte[] x) throws SQLException {
         try {
             resultSet.updateBytes(columnName, x);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateCharacterStream(final int columnIndex, final Reader reader) throws SQLException {
         try {
             resultSet.updateCharacterStream(columnIndex, reader);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateCharacterStream(final int columnIndex, final Reader x, final int length) throws SQLException {
         try {
             resultSet.updateCharacterStream(columnIndex, x, length);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateCharacterStream(final int columnIndex, final Reader reader, final long length)
             throws SQLException {
         try {
             resultSet.updateCharacterStream(columnIndex, reader, length);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateCharacterStream(final String columnLabel, final Reader reader) throws SQLException {
         try {
             resultSet.updateCharacterStream(columnLabel, reader);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateCharacterStream(final String columnName, final Reader reader, final int length)
             throws SQLException {
         try {
             resultSet.updateCharacterStream(columnName, reader, length);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateCharacterStream(final String columnLabel, final Reader reader, final long length)
             throws SQLException {
         try {
             resultSet.updateCharacterStream(columnLabel, reader, length);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateClob(final int columnIndex, final Clob x) throws SQLException {
         try {
             resultSet.updateClob(columnIndex, x);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateClob(final int columnIndex, final Reader reader) throws SQLException {
         try {
             resultSet.updateClob(columnIndex, reader);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateClob(final int columnIndex, final Reader reader, final long length) throws SQLException {
         try {
             resultSet.updateClob(columnIndex, reader, length);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateClob(final String columnName, final Clob x) throws SQLException {
         try {
             resultSet.updateClob(columnName, x);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateClob(final String columnLabel, final Reader reader) throws SQLException {
         try {
             resultSet.updateClob(columnLabel, reader);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateClob(final String columnLabel, final Reader reader, final long length) throws SQLException {
         try {
             resultSet.updateClob(columnLabel, reader, length);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateDate(final int columnIndex, final Date x) throws SQLException {
         try {
             resultSet.updateDate(columnIndex, x);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateDate(final String columnName, final Date x) throws SQLException {
         try {
             resultSet.updateDate(columnName, x);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateDouble(final int columnIndex, final double x) throws SQLException {
         try {
             resultSet.updateDouble(columnIndex, x);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateDouble(final String columnName, final double x) throws SQLException {
         try {
             resultSet.updateDouble(columnName, x);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateFloat(final int columnIndex, final float x) throws SQLException {
         try {
             resultSet.updateFloat(columnIndex, x);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateFloat(final String columnName, final float x) throws SQLException {
         try {
             resultSet.updateFloat(columnName, x);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateInt(final int columnIndex, final int x) throws SQLException {
         try {
             resultSet.updateInt(columnIndex, x);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateInt(final String columnName, final int x) throws SQLException {
         try {
             resultSet.updateInt(columnName, x);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateLong(final int columnIndex, final long x) throws SQLException {
         try {
             resultSet.updateLong(columnIndex, x);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateLong(final String columnName, final long x) throws SQLException {
         try {
             resultSet.updateLong(columnName, x);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateNCharacterStream(final int columnIndex, final Reader reader) throws SQLException {
         try {
             resultSet.updateNCharacterStream(columnIndex, reader);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateNCharacterStream(final int columnIndex, final Reader reader, final long length)
             throws SQLException {
         try {
             resultSet.updateNCharacterStream(columnIndex, reader, length);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateNCharacterStream(final String columnLabel, final Reader reader) throws SQLException {
         try {
             resultSet.updateNCharacterStream(columnLabel, reader);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateNCharacterStream(final String columnLabel, final Reader reader, final long length)
             throws SQLException {
         try {
             resultSet.updateNCharacterStream(columnLabel, reader, length);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateNClob(final int columnIndex, final NClob value) throws SQLException {
         try {
             resultSet.updateNClob(columnIndex, value);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateNClob(final int columnIndex, final Reader reader) throws SQLException {
         try {
             resultSet.updateNClob(columnIndex, reader);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateNClob(final int columnIndex, final Reader reader, final long length) throws SQLException {
         try {
             resultSet.updateNClob(columnIndex, reader, length);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateNClob(final String columnLabel, final NClob value) throws SQLException {
         try {
             resultSet.updateNClob(columnLabel, value);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateNClob(final String columnLabel, final Reader reader) throws SQLException {
         try {
             resultSet.updateNClob(columnLabel, reader);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateNClob(final String columnLabel, final Reader reader, final long length) throws SQLException {
         try {
             resultSet.updateNClob(columnLabel, reader, length);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateNString(final int columnIndex, final String value) throws SQLException {
         try {
             resultSet.updateNString(columnIndex, value);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateNString(final String columnLabel, final String value) throws SQLException {
         try {
             resultSet.updateNString(columnLabel, value);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateNull(final int columnIndex) throws SQLException {
         try {
             resultSet.updateNull(columnIndex);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateNull(final String columnName) throws SQLException {
         try {
             resultSet.updateNull(columnName);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateObject(final int columnIndex, final Object x) throws SQLException {
         try {
             resultSet.updateObject(columnIndex, x);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateObject(final int columnIndex, final Object x, final int scale) throws SQLException {
         try {
             resultSet.updateObject(columnIndex, x);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     /**
      * @since 2.5.0
      */
     @Override
     public void updateObject(final int columnIndex, final Object x, final SQLType targetSqlType) throws SQLException {
         try {
             resultSet.updateObject(columnIndex, x, targetSqlType);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     /**
      * @since 2.5.0
      */
     @Override
     public void updateObject(final int columnIndex, final Object x, final SQLType targetSqlType, final int scaleOrLength) throws SQLException {
         try {
             resultSet.updateObject(columnIndex, x, targetSqlType, scaleOrLength);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateObject(final String columnName, final Object x) throws SQLException {
         try {
             resultSet.updateObject(columnName, x);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateObject(final String columnName, final Object x, final int scale) throws SQLException {
         try {
             resultSet.updateObject(columnName, x);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     /**
      * @since 2.5.0
      */
     @Override
     public void updateObject(final String columnLabel, final Object x, final SQLType targetSqlType) throws SQLException {
         try {
             resultSet.updateObject(columnLabel, x, targetSqlType);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     /**
      * @since 2.5.0
      */
     @Override
     public void updateObject(final String columnLabel, final Object x, final SQLType targetSqlType, final int scaleOrLength)
             throws SQLException {
         try {
             resultSet.updateObject(columnLabel, x, targetSqlType, scaleOrLength);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateRef(final int columnIndex, final Ref x) throws SQLException {
         try {
             resultSet.updateRef(columnIndex, x);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateRef(final String columnName, final Ref x) throws SQLException {
         try {
             resultSet.updateRef(columnName, x);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateRow() throws SQLException {
         try {
             resultSet.updateRow();
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateRowId(final int columnIndex, final RowId value) throws SQLException {
         try {
             resultSet.updateRowId(columnIndex, value);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateRowId(final String columnLabel, final RowId value) throws SQLException {
         try {
             resultSet.updateRowId(columnLabel, value);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateShort(final int columnIndex, final short x) throws SQLException {
         try {
             resultSet.updateShort(columnIndex, x);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateShort(final String columnName, final short x) throws SQLException {
         try {
             resultSet.updateShort(columnName, x);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateSQLXML(final int columnIndex, final SQLXML value) throws SQLException {
         try {
             resultSet.updateSQLXML(columnIndex, value);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateSQLXML(final String columnLabel, final SQLXML value) throws SQLException {
         try {
             resultSet.updateSQLXML(columnLabel, value);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateString(final int columnIndex, final String x) throws SQLException {
         try {
             resultSet.updateString(columnIndex, x);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateString(final String columnName, final String x) throws SQLException {
         try {
             resultSet.updateString(columnName, x);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateTime(final int columnIndex, final Time x) throws SQLException {
         try {
             resultSet.updateTime(columnIndex, x);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateTime(final String columnName, final Time x) throws SQLException {
         try {
             resultSet.updateTime(columnName, x);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateTimestamp(final int columnIndex, final Timestamp x) throws SQLException {
         try {
             resultSet.updateTimestamp(columnIndex, x);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public void updateTimestamp(final String columnName, final Timestamp x) throws SQLException {
         try {
             resultSet.updateTimestamp(columnName, x);
         } catch (final SQLException e) {
             handleException(e);
         }
     }
 
     @Override
     public boolean wasNull() throws SQLException {
         try {
             return resultSet.wasNull();
         } catch (final SQLException e) {
             handleException(e);
             return false;
         }
     }
 }