package net.sourceforge.jdbclogger.core;
/*
* 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.
*/
import net.sourceforge.jdbclogger.core.formatters.ParameterFormatter;
import net.sourceforge.jdbclogger.core.util.Tokenizer;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import java.io.InputStream;
import java.io.Reader;
import java.math.BigDecimal;
import java.net.URL;
import java.sql.*;
import java.sql.Date;
import java.util.*;
/**
* @author Martin Marinschek (latest modification by $Author: catalean $)
* @version $Revision: 123 $ $Date: 2007-09-18 04:44:46 +0800 (周二, 2007-09-18) $
*/
public class PreparedStatementWrapper extends StatementWrapper implements PreparedStatement
{
private static Log log = LogFactory.getLog(PreparedStatementWrapper.class);
protected List _paramFormatterList;
protected PreparedStatement _prep;
protected List _batchList;
protected int _currentIndex = 0;
protected Map _paramIndexToListIndex = new HashMap();
private List getSqlAsList()
{
if(_batchList == null)
{
_batchList = new ArrayList();
}
if(_batchList.size()==_currentIndex)
{
if(_batchList.size()==0)
{
_batchList.add(new ArrayList());
}
else
{
_batchList.add(new ArrayList((List) _batchList.get(0)));
}
}
else if(_batchList.size()<_currentIndex)
{
throw new IllegalStateException("batchList size less than currentIndex");
}
return (List) _batchList.get(_currentIndex);
}
public PreparedStatementWrapper(
PreparedStatement statement, String sql, List formatters)
{
super(statement);
Tokenizer tokenizer = new Tokenizer(sql,new String[]{"?"},true,
true,'\"','\"');
int delimiterCount = 1;
while(tokenizer.hasMoreTokens())
{
String token = tokenizer.nextToken();
if(token.equals("?"))
{
_paramIndexToListIndex.put(new Integer(delimiterCount),
new Integer(getSqlAsList().size()));
delimiterCount++;
}
getSqlAsList().add(token);
}
_paramFormatterList = formatters;
_prep = statement;
}
protected void setParameter(int parameterIndex, Object parameter)
{
Integer listIndex = (Integer)
_paramIndexToListIndex.get(new Integer(parameterIndex));
if(listIndex != null)
{
String sql;
ParameterFormatter pf;
if (parameter == null)
sql = "null";
else if ((pf = getParamFormatterFor(parameter.getClass ())) != null)
sql = pf.format (parameter);
else
sql = "'"+parameter+"'";
getSqlAsList().set(listIndex.intValue(), sql);
}
}
protected ParameterFormatter getParamFormatterFor (Class clazz)
{
for (int i = 0; i < _paramFormatterList.size (); i++)
{
ParameterFormatter pf = (ParameterFormatter) _paramFormatterList.get (i);
if (pf.getFormattingClass().isAssignableFrom (clazz))
return pf;
}
return null;
}
protected void logStatement()
{
if(_batchList!=null)
{
for(int i=0; i<_batchList.size();i++)
{
List sqlAsList = (List) _batchList.get(i);
if(log.isDebugEnabled())
{
StringBuffer buf = new StringBuffer();
for (int j = 0; j < sqlAsList.size(); j++)
{
String token = (String) sqlAsList.get(j);
buf.append(token);
}
log.debug("Prepared Statement : " + buf.toString());
}
}
}
}
public int executeUpdate() throws SQLException
{
logStatement();
long begin = System.currentTimeMillis ();
int res = _prep.executeUpdate();
logTime (begin);
return res;
}
public void addBatch() throws SQLException
{
_currentIndex++;
_prep.addBatch();
}
public int[] executeBatch() throws SQLException
{
logStatement();
_currentIndex = 0;
return super.executeBatch();
}
public void clearBatch() throws SQLException
{
_batchList = null;
_currentIndex = 0;
super.clearBatch();
}
public void clearParameters() throws SQLException
{
_prep.clearParameters();
}
public boolean execute() throws SQLException
{
logStatement();
long begin = System.currentTimeMillis ();
boolean res = _prep.execute();
logTime (begin);
return res;
}
public void setByte(int parameterIndex, byte x) throws SQLException
{
setParameter(parameterIndex, new Byte(x));
_prep.setByte(parameterIndex, x);
}
public void setDouble(int parameterIndex, double x) throws SQLException
{
setParameter(parameterIndex, new Double(x));
_prep.setDouble(parameterIndex, x);
}
public void setFloat(int parameterIndex, float x) throws SQLException
{
setParameter(parameterIndex, new Float(x));
_prep.setFloat(parameterIndex, x);
}
public void setInt(int parameterIndex, int x) throws SQLException
{
setParameter(parameterIndex, new Integer(x));
_prep.setInt(parameterIndex, x);
}
public void setNull(int parameterIndex, int sqlType) throws SQLException
{
setParameter(parameterIndex, null);
_prep.setNull(parameterIndex, sqlType);
}
public void setLong(int parameterIndex, long x) throws SQLException
{
setParameter(parameterIndex, new Long(x));
_prep.setLong(parameterIndex, x);
}
public void setShort(int parameterIndex, short x) throws SQLException
{
setParameter(parameterIndex, new Short(x));
_prep.setShort(parameterIndex, x);
}
public void setBoolean(int parameterIndex, boolean x) throws SQLException
{
setParameter(parameterIndex, Boolean.valueOf(x));
_prep.setBoolean(parameterIndex, x);
}
public void setBytes(int parameterIndex, byte x[]) throws SQLException
{
//how could this be done ?
setParameter(parameterIndex, x);
_prep.setBytes(parameterIndex, x);
}
public void setAsciiStream(int parameterIndex, InputStream x, int length) throws SQLException
{
setParameter(parameterIndex, x);
_prep.setAsciiStream(parameterIndex, x, length);
}
public void setBinaryStream(int parameterIndex, InputStream x, int length) throws SQLException
{
setParameter(parameterIndex, x);
_prep.setBinaryStream(parameterIndex, x, length);
}
/**
* @deprecated
*/
public void setUnicodeStream(int parameterIndex, InputStream x, int length) throws SQLException
{
setParameter(parameterIndex, x);
_prep.setUnicodeStream(parameterIndex, x, length);
}
public void setCharacterStream(int parameterIndex, Reader reader, int length) throws SQLException
{
setParameter(parameterIndex, reader);
_prep.setCharacterStream(parameterIndex, reader, length);
}
public void setObject(int parameterIndex, Object x) throws SQLException
{
setParameter(parameterIndex, x);
_prep.setObject(parameterIndex, x);
}
public void setObject(int parameterIndex, Object x, int targetSqlType) throws SQLException
{
setParameter(parameterIndex, x);
_prep.setObject(parameterIndex, x, targetSqlType);
}
public void setObject(int parameterIndex, Object x, int targetSqlType, int scale) throws SQLException
{
setParameter(parameterIndex, x);
_prep.setObject(parameterIndex, x, targetSqlType, scale);
}
public void setNull(int paramIndex, int sqlType, String typeName) throws SQLException
{
_prep.setNull(paramIndex, sqlType, typeName);
}
public void setString(int parameterIndex, String x) throws SQLException
{
setParameter(parameterIndex, x);
_prep.setString(parameterIndex, x);
}
public void setBigDecimal(int parameterIndex, BigDecimal x) throws SQLException
{
setParameter(parameterIndex, x);
_prep.setBigDecimal(parameterIndex, x);
}
public void setURL(int parameterIndex, URL x) throws SQLException
{
setParameter(parameterIndex, x);
_prep.setURL(parameterIndex, x);
}
public void setArray(int parameterIndex, Array x) throws SQLException
{
setParameter(parameterIndex, x);
_prep.setArray(parameterIndex, x);
}
public void setBlob(int parameterIndex, Blob x) throws SQLException
{
setParameter(parameterIndex, x);
_prep.setBlob(parameterIndex, x);
}
public void setClob(int parameterIndex, Clob x) throws SQLException
{
setParameter(parameterIndex, x);
_prep.setClob(parameterIndex, x);
}
public void setDate(int parameterIndex, Date x) throws SQLException
{
setParameter(parameterIndex, x);
_prep.setDate(parameterIndex, x);
}
public ParameterMetaData getParameterMetaData() throws SQLException
{
return _prep.getParameterMetaData();
}
public void setRef(int parameterIndex, Ref x) throws SQLException
{
setParameter(parameterIndex, x);
_prep.setRef(parameterIndex, x);
}
public ResultSet executeQuery() throws SQLException
{
logStatement();
long begin = System.currentTimeMillis ();
ResultSet res = _prep.executeQuery();
logTime (begin);
return res;
}
public ResultSetMetaData getMetaData() throws SQLException
{
return _prep.getMetaData();
}
public void setTime(int parameterIndex, Time x) throws SQLException
{
setParameter(parameterIndex, x);
_prep.setTime(parameterIndex, x);
}
public void setTimestamp(int parameterIndex, Timestamp x) throws SQLException
{
setParameter(parameterIndex, x);
_prep.setTimestamp(parameterIndex, x);
}
public void setDate(int parameterIndex, Date x, Calendar cal) throws SQLException
{
setParameter(parameterIndex, x);
_prep.setDate(parameterIndex, x, cal);
}
public void setTime(int parameterIndex, Time x, Calendar cal) throws SQLException
{
setParameter(parameterIndex, x);
_prep.setTime(parameterIndex, x, cal);
}
public void setTimestamp(int parameterIndex, Timestamp x, Calendar cal) throws SQLException
{
setParameter(parameterIndex, x);
_prep.setTimestamp(parameterIndex, x, cal);
}
}