/*
* Copyright 1999-2017 Alibaba Group Holding Ltd.
*
* Licensed 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 com.alibaba.druid.proxy.jdbc;
import java.io.InputStream;
import java.io.Reader;
import java.math.BigDecimal;
import java.net.URL;
import java.sql.Array;
import java.sql.Blob;
import java.sql.Clob;
import java.sql.Date;
import java.sql.NClob;
import java.sql.ParameterMetaData;
import java.sql.PreparedStatement;
import java.sql.Ref;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.RowId;
import java.sql.SQLException;
import java.sql.SQLXML;
import java.sql.Time;
import java.sql.Timestamp;
import java.sql.Types;
import java.util.Arrays;
import java.util.Calendar;
import java.util.HashMap;
import java.util.Map;
import com.alibaba.druid.proxy.jdbc.JdbcParameter.TYPE;
/**
* @author wenshao [szujobs@hotmail.com]
*/
public class PreparedStatementProxyImpl extends StatementProxyImpl implements PreparedStatementProxy {
protected final PreparedStatement statement;
protected final String sql;
private JdbcParameter[] parameters = new JdbcParameter[16];
private int parametersSize = 0;
private Map<Integer, JdbcParameter> paramMap = null;
public PreparedStatementProxyImpl(ConnectionProxy connection, PreparedStatement statement, String sql, long id){
super(connection, statement, id);
this.statement = statement;
this.sql = sql;
}
public Map<Integer, JdbcParameter> getParameters() {
if (paramMap == null) {
paramMap = new HashMap<Integer, JdbcParameter>(parametersSize);
for (int i = 0; i < parametersSize; ++i) {
paramMap.put(i, parameters[i]);
}
}
return paramMap;
}
void setParameter(int jdbcIndex, JdbcParameter parameter) {
int index = jdbcIndex - 1;
if (jdbcIndex > parametersSize) {
parametersSize = jdbcIndex;
}
if (parametersSize >= parameters.length) {
parameters = Arrays.copyOf(parameters, parametersSize + 16);
}
parameters[index] = parameter;
if (paramMap != null) {
paramMap = null;
}
}
public int getParametersSize() {
return parametersSize;
}
public JdbcParameter getParameter(int i) {
if (i > parametersSize) {
return null;
}
return this.parameters[i];
}
public String getSql() {
return this.sql;
}
public PreparedStatement getRawObject() {
return this.statement;
}
@Override
public void addBatch() throws SQLException {
createChain().preparedStatement_addBatch(this);
}
@Override
public void clearParameters() throws SQLException {
createChain().preparedStatement_clearParameters(this);
}
@Override
public String getBatchSql() {
return this.sql;
}
@Override
public boolean execute() throws SQLException {
updateCount = null;
lastExecuteSql = sql;
lastExecuteType = StatementExecuteType.Execute;
lastExecuteStartNano = -1L;
lastExecuteTimeNano = -1L;
firstResultSet = createChain().preparedStatement_execute(this);
return firstResultSet;
}
@Override
public ResultSet executeQuery() throws SQLException {
firstResultSet = true;
updateCount = null;
lastExecuteSql = sql;
lastExecuteType = StatementExecuteType.ExecuteQuery;
lastExecuteStartNano = -1L;
lastExecuteTimeNano = -1L;
return createChain().preparedStatement_executeQuery(this);
}
@Override
public int executeUpdate() throws SQLException {
firstResultSet = false;
updateCount = null;
lastExecuteSql = sql;
lastExecuteType = StatementExecuteType.ExecuteUpdate;
lastExecuteStartNano = -1L;
lastExecuteTimeNano = -1L;
updateCount = createChain().preparedStatement_executeUpdate(this);
return updateCount;
}
@Override
public ResultSetMetaData getMetaData() throws SQLException {
return createChain().preparedStatement_getMetaData(this);
}
@Override
public ParameterMetaData getParameterMetaData() throws SQLException {
return createChain().preparedStatement_getParameterMetaData(this);
}
@Override
public void setArray(int parameterIndex, Array x) throws SQLException {
setParameter(parameterIndex, createParameter(Types.ARRAY, x));
createChain().preparedStatement_setArray(this, parameterIndex, x);
}
@Override
public void setAsciiStream(int parameterIndex, InputStream x) throws SQLException {
setParameter(parameterIndex, createParameter(JdbcParameter.TYPE.AsciiInputStream, x));
createChain().preparedStatement_setAsciiStream(this, parameterIndex, x);
}
@Override
public void setAsciiStream(int parameterIndex, InputStream x, int length) throws SQLException {
setParameter(parameterIndex, createParameter(JdbcParameter.TYPE.AsciiInputStream, x, length));
createChain().preparedStatement_setAsciiStream(this, parameterIndex, x, length);
}
@Override
public void setAsciiStream(int parameterIndex, InputStream x, long length) throws SQLException {
setParameter(parameterIndex, createParameter(JdbcParameter.TYPE.AsciiInputStream, x, length));
createChain().preparedStatement_setAsciiStream(this, parameterIndex, x, length);
}
@Override
public void setBigDecimal(int parameterIndex, BigDecimal x) throws SQLException {
setParameter(parameterIndex, createParameter(x));
createChain().preparedStatement_setBigDecimal(this, parameterIndex, x);
}
@Override
public void setBinaryStream(int parameterIndex, InputStream x) throws SQLException {
setParameter(parameterIndex, createParameter(JdbcParameter.TYPE.BinaryInputStream, x));
createChain().preparedStatement_setBinaryStream(this, parameterIndex, x);
}
@Override
public void setBinaryStream(int parameterIndex, InputStream x, int length) throws SQLException {
setParameter(parameterIndex, createParameter(JdbcParameter.TYPE.BinaryInputStream, x, length));
createChain().preparedStatement_setBinaryStream(this, parameterIndex, x, length);
}
@Override
public void setBinaryStream(int parameterIndex, InputStream x, long length) throws SQLException {
setParameter(parameterIndex, createParameter(JdbcParameter.TYPE.BinaryInputStream, x, length));
createChain().preparedStatement_setBinaryStream(this, parameterIndex, x, length);
}
@Override
public void setBlob(int parameterIndex, Blob x) throws SQLException {
setParameter(parameterIndex, createParameter(Types.BLOB, x));
createChain().preparedStatement_setBlob(this, parameterIndex, x);
}
@Override
public void setBlob(int parameterIndex, InputStream x) throws SQLException {
setParameter(parameterIndex, createParameter(Types.BLOB, x));
createChain().preparedStatement_setBlob(this, parameterIndex, x);
}
@Override
public void setBlob(int parameterIndex, InputStream x, long length) throws SQLException {
setParameter(parameterIndex, createParameter(Types.BLOB, x, length));
createChain().preparedStatement_setBlob(this, parameterIndex, x, length);
}
@Override
public void setBoolean(int parameterIndex, boolean x) throws SQLException {
setParameter(parameterIndex, createParameter(Types.BOOLEAN, x));
createChain().preparedStatement_setBoolean(this, parameterIndex, x);
}
@Override
public void setByte(int parameterIndex, byte x) throws SQLException {
setParameter(parameterIndex, createParameter(Types.TINYINT, x));
createChain().preparedStatement_setByte(this, parameterIndex, x);
}
@Override
public void setBytes(int parameterIndex, byte[] x) throws SQLException {
setParameter(parameterIndex, createParameter(TYPE.BYTES, x));
createChain().preparedStatement_setBytes(this, parameterIndex, x);
}
@Override
public void setCharacterStream(int parameterIndex, Reader x) throws SQLException {
setParameter(parameterIndex, createParameter(TYPE.CharacterInputStream, x));
createChain().preparedStatement_setCharacterStream(this, parameterIndex, x);
}
@Override
public void setCharacterStream(int parameterIndex, Reader x, int length) throws SQLException {
setParameter(parameterIndex, createParameter(TYPE.CharacterInputStream, x, length));
createChain().preparedStatement_setCharacterStream(this, parameterIndex, x, length);
}
@Override
public void setCharacterStream(int parameterIndex, Reader x, long length) throws SQLException {
setParameter(parameterIndex, createParameter(TYPE.CharacterInputStream, x, length));
createChain().preparedStatement_setCharacterStream(this, parameterIndex, x, length);
}
@Override
public void setClob(int parameterIndex, Clob x) throws SQLException {
setParameter(parameterIndex, createParameter(Types.CLOB, x));
createChain().preparedStatement_setClob(this, parameterIndex, x);
}
@Override
public void setClob(int parameterIndex, Reader x) throws SQLException {
setParameter(parameterIndex, createParameter(Types.CLOB, x));
createChain().preparedStatement_setClob(this, parameterIndex, x);
}
@Override
public void setClob(int parameterIndex, Reader x, long length) throws SQLException {
setParameter(parameterIndex, createParameter(Types.CLOB, x, length));
createChain().preparedStatement_setClob(this, parameterIndex, x, length);
}
@Override
public void setDate(int parameterIndex, Date x) throws SQLException {
setParameter(parameterIndex, createParameter(x));
createChain().preparedStatement_setDate(this, parameterIndex, x);
}
@Override
public void setDate(int parameterIndex, Date x, Calendar cal) throws SQLException {
setParameter(parameterIndex, createParameter(Types.DATE, x, cal));
createChain().preparedStatement_setDate(this, parameterIndex, x, cal);
}
@Override
public void setDouble(int parameterIndex, double x) throws SQLException {
setParameter(parameterIndex, createParameter(Types.DOUBLE, x));
createChain().preparedStatement_setDouble(this, parameterIndex, x);
}
@Override
public void setFloat(int parameterIndex, float x) throws SQLException {
setParameter(parameterIndex, createParameter(Types.FLOAT, x));
createChain().preparedStatement_setFloat(this, parameterIndex, x);
}
@Override
public void setInt(int parameterIndex, int x) throws SQLException {
setParameter(parameterIndex, createParemeter(x));
createChain().preparedStatement_setInt(this, parameterIndex, x);
}
@Override
public void setLong(int parameterIndex, long x) throws SQLException {
setParameter(parameterIndex, createParameter(x));
createChain().preparedStatement_setLong(this, parameterIndex, x);
}
@Override
public void setNCharacterStream(int parameterIndex, Reader x) throws SQLException {
setParameter(parameterIndex, createParameter(TYPE.NCharacterInputStream, x));
createChain().preparedStatement_setNCharacterStream(this, parameterIndex, x);
}
@Override
public void setNCharacterStream(int parameterIndex, Reader x, long length) throws SQLException {
setParameter(parameterIndex, createParameter(TYPE.NCharacterInputStream, x, length));
createChain().preparedStatement_setNCharacterStream(this, parameterIndex, x, length);
}
@Override
public void setNClob(int parameterIndex, NClob x) throws SQLException {
setParameter(parameterIndex, createParameter(Types.NCLOB, x));
createChain().preparedStatement_setNClob(this, parameterIndex, x);
}
@Override
public void setNClob(int parameterIndex, Reader x) throws SQLException {
setParameter(parameterIndex, createParameter(Types.NCLOB, x));
createChain().preparedStatement_setNClob(this, parameterIndex, x);
}
@Override
public void setNClob(int parameterIndex, Reader x, long length) throws SQLException {
setParameter(parameterIndex, createParameter(Types.NCLOB, x, length));
createChain().preparedStatement_setNClob(this, parameterIndex, x, length);
}
@Override
public void setNString(int parameterIndex, String x) throws SQLException {
setParameter(parameterIndex, createParameter(Types.NVARCHAR, x));
createChain().preparedStatement_setNString(this, parameterIndex, x);
}
@Override
public void setNull(int parameterIndex, int sqlType) throws SQLException {
setParameter(parameterIndex, createParameterNull(sqlType));
createChain().preparedStatement_setNull(this, parameterIndex, sqlType);
}
@Override
public void setNull(int parameterIndex, int sqlType, String typeName) throws SQLException {
setParameter(parameterIndex, createParameterNull(sqlType));
createChain().preparedStatement_setNull(this, parameterIndex, sqlType, typeName);
}
@Override
public void setObject(int parameterIndex, Object x) throws SQLException {
setObjectParameter(parameterIndex, x);
createChain().preparedStatement_setObject(this, parameterIndex, x);
}
private void setObjectParameter(int parameterIndex, Object x) {
if (x == null) {
setParameter(parameterIndex, createParameterNull(Types.OTHER));
return;
}
Class<?> clazz = x.getClass();
if (clazz == Byte.class) {
setParameter(parameterIndex, createParameter(Types.TINYINT, x));
return;
}
if (clazz == Short.class) {
setParameter(parameterIndex, createParameter(Types.SMALLINT, x));
return;
}
if (clazz == Integer.class) {
setParameter(parameterIndex, createParemeter((Integer) x));
return;
}
if (clazz == Long.class) {
setParameter(parameterIndex, createParameter((Long) x));
return;
}
if (clazz == String.class) {
setParameter(parameterIndex, createParameter((String) x));
return;
}
if (clazz == BigDecimal.class) {
setParameter(parameterIndex, createParameter((BigDecimal) x));
return;
}
if (clazz == Float.class) {
setParameter(parameterIndex, new JdbcParameterImpl(Types.FLOAT, x));
return;
}
if (clazz == Double.class) {
setParameter(parameterIndex, new JdbcParameterImpl(Types.DOUBLE, x));
return;
}
if (clazz == java.sql.Date.class || clazz == java.util.Date.class) {
setParameter(parameterIndex, createParameter((java.util.Date) x));
return;
}
if (clazz == java.sql.Timestamp.class) {
setParameter(parameterIndex, createParameter((java.sql.Timestamp) x));
return;
}
if (clazz == java.sql.Time.class) {
setParameter(parameterIndex, new JdbcParameterImpl(Types.TIME, x));
return;
}
if (clazz == Boolean.class) {
setParameter(parameterIndex, new JdbcParameterImpl(Types.BOOLEAN, x));
return;
}
if (clazz == byte[].class) {
setParameter(parameterIndex, new JdbcParameterImpl(TYPE.BYTES, x));
return;
}
if (x instanceof InputStream) {
setParameter(parameterIndex, new JdbcParameterImpl(JdbcParameter.TYPE.BinaryInputStream, x));
return;
}
if (x instanceof Reader) {
setParameter(parameterIndex, new JdbcParameterImpl(JdbcParameter.TYPE.CharacterInputStream, x));
return;
}
if (x instanceof Clob) {
setParameter(parameterIndex, new JdbcParameterImpl(Types.CLOB, x));
return;
}
if (x instanceof NClob) {
setParameter(parameterIndex, new JdbcParameterImpl(Types.NCLOB, x));
return;
}
if (x instanceof Blob) {
setParameter(parameterIndex, new JdbcParameterImpl(Types.BLOB, x));
return;
}
setParameter(parameterIndex, createParameter(Types.OTHER, null));
}
@Override
public void setObject(int parameterIndex, Object x, int targetSqlType) throws SQLException {
setParameter(parameterIndex, createParameter(targetSqlType, x));
createChain().preparedStatement_setObject(this, parameterIndex, x, targetSqlType);
}
@Override
public void setObject(int parameterIndex, Object x, int targetSqlType, int scaleOrLength) throws SQLException {
setParameter(parameterIndex, createParameter(x, targetSqlType, scaleOrLength));
createChain().preparedStatement_setObject(this, parameterIndex, x, targetSqlType, scaleOrLength);
}
@Override
public void setRef(int parameterIndex, Ref x) throws SQLException {
setParameter(parameterIndex, createParameter(Types.REF, x));
createChain().preparedStatement_setRef(this, parameterIndex, x);
}
@Override
public void setRowId(int parameterIndex, RowId x) throws SQLException {
setParameter(parameterIndex, createParameter(Types.ROWID, x));
createChain().preparedStatement_setRowId(this, parameterIndex, x);
}
@Override
public void setSQLXML(int parameterIndex, SQLXML x) throws SQLException {
setParameter(parameterIndex, createParameter(Types.SQLXML, x));
createChain().preparedStatement_setSQLXML(this, parameterIndex, x);
}
@Override
public void setShort(int parameterIndex, short x) throws SQLException {
setParameter(parameterIndex, createParameter(Types.SMALLINT, x));
createChain().preparedStatement_setShort(this, parameterIndex, x);
}
@Override
public void setString(int parameterIndex, String x) throws SQLException {
setParameter(parameterIndex, createParameter(x));
createChain().preparedStatement_setString(this, parameterIndex, x);
}
@Override
public void setTime(int parameterIndex, Time x) throws SQLException {
setParameter(parameterIndex, createParameter(Types.TIME, x));
createChain().preparedStatement_setTime(this, parameterIndex, x);
}
@Override
public void setTime(int parameterIndex, Time x, Calendar cal) throws SQLException {
setParameter(parameterIndex, createParameter(Types.TIME, x, cal));
createChain().preparedStatement_setTime(this, parameterIndex, x, cal);
}
@Override
public void setTimestamp(int parameterIndex, Timestamp x) throws SQLException {
setParameter(parameterIndex, createParameter(x));
createChain().preparedStatement_setTimestamp(this, parameterIndex, x);
}
@Override
public void setTimestamp(int parameterIndex, Timestamp x, Calendar cal) throws SQLException {
setParameter(parameterIndex, createParameter(Types.TIMESTAMP, x));
createChain().preparedStatement_setTimestamp(this, parameterIndex, x, cal);
}
@Override
public void setURL(int parameterIndex, URL x) throws SQLException {
setParameter(parameterIndex, createParameter(TYPE.URL, x));
createChain().preparedStatement_setURL(this, parameterIndex, x);
}
@Override
public void setUnicodeStream(int parameterIndex, InputStream x, int length) throws SQLException {
setParameter(parameterIndex, createParameter(TYPE.UnicodeStream, x, length));
createChain().preparedStatement_setUnicodeStream(this, parameterIndex, x, length);
}
@Override
public String getLastExecuteSql() {
return this.sql;
}
@SuppressWarnings("unchecked")
public <T> T unwrap(Class<T> iface) throws SQLException {
if (iface == PreparedStatementProxy.class) {
return (T) this;
}
return super.unwrap(iface);
}
public boolean isWrapperFor(Class<?> iface) throws SQLException {
if (iface == PreparedStatementProxy.class) {
return true;
}
return super.isWrapperFor(iface);
}
private JdbcParameter createParemeter(int x) {
return JdbcParameterInt.valueOf(x);
}
private JdbcParameter createParameter(long x) {
return JdbcParameterLong.valueOf(x);
}
private JdbcParameter createParameterNull(int sqlType) {
return JdbcParameterNull.valueOf(sqlType);
}
private JdbcParameter createParameter(java.util.Date x) {
if (x == null) {
return JdbcParameterNull.DATE;
}
return new JdbcParameterDate(x);
}
private JdbcParameter createParameter(BigDecimal x) {
if (x == null) {
return JdbcParameterNull.DECIMAL;
}
return JdbcParameterDecimal.valueOf(x);
}
private JdbcParameter createParameter(String x) {
if (x == null) {
return JdbcParameterNull.VARCHAR;
}
return new JdbcParameterString(x);
}
private JdbcParameter createParameter(Timestamp x) {
if (x == null) {
return JdbcParameterNull.TIMESTAMP;
}
return new JdbcParameterTimestamp(x);
}
private JdbcParameter createParameter(Object x, int sqlType, int scaleOrLength) {
if (x == null) {
return JdbcParameterNull.valueOf(sqlType);
}
return new JdbcParameterImpl(sqlType, x, -1, null, scaleOrLength);
}
private JdbcParameter createParameter(int sqlType, Object value, long length) {
if (value == null) {
return JdbcParameterNull.valueOf(sqlType);
}
return new JdbcParameterImpl(sqlType, value, length);
}
private JdbcParameter createParameter(int sqlType, Object value) {
if (value == null) {
return JdbcParameterNull.valueOf(sqlType);
}
return new JdbcParameterImpl(sqlType, value);
}
public JdbcParameter createParameter(int sqlType, Object value, Calendar calendar) {
if (value == null) {
return JdbcParameterNull.valueOf(sqlType);
}
return new JdbcParameterImpl(sqlType, value, calendar);
}
}