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MySQL JDBC Type 4 driver
/*
Copyright (c) 2009, 2016, Oracle and/or its affiliates. All rights reserved.
The MySQL Connector/J is licensed under the terms of the GPLv2
, like most MySQL Connectors.
There are special exceptions to the terms and conditions of the GPLv2 as it is applied to
this software, see the FOSS License Exception
.
This program is free software; you can redistribute it and/or modify it under the terms
of the GNU General Public License as published by the Free Software Foundation; version 2
of the License.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this
program; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth
Floor, Boston, MA 02110-1301 USA
*/
package com.mysql.jdbc;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.sql.SQLException;
import java.util.Properties;
public class ReflectiveStatementInterceptorAdapter implements StatementInterceptorV2 {
private final StatementInterceptor toProxy;
final Method v2PostProcessMethod;
public ReflectiveStatementInterceptorAdapter(StatementInterceptor toProxy) {
this.toProxy = toProxy;
this.v2PostProcessMethod = getV2PostProcessMethod(toProxy.getClass());
}
public void destroy() {
this.toProxy.destroy();
}
public boolean executeTopLevelOnly() {
return this.toProxy.executeTopLevelOnly();
}
public void init(Connection conn, Properties props) throws SQLException {
this.toProxy.init(conn, props);
}
public ResultSetInternalMethods postProcess(String sql, Statement interceptedStatement, ResultSetInternalMethods originalResultSet, Connection connection,
int warningCount, boolean noIndexUsed, boolean noGoodIndexUsed, SQLException statementException) throws SQLException {
try {
return (ResultSetInternalMethods) this.v2PostProcessMethod.invoke(this.toProxy,
new Object[] { sql, interceptedStatement, originalResultSet, connection, Integer.valueOf(warningCount),
noIndexUsed ? Boolean.TRUE : Boolean.FALSE, noGoodIndexUsed ? Boolean.TRUE : Boolean.FALSE, statementException });
} catch (IllegalArgumentException e) {
SQLException sqlEx = new SQLException("Unable to reflectively invoke interceptor");
sqlEx.initCause(e);
throw sqlEx;
} catch (IllegalAccessException e) {
SQLException sqlEx = new SQLException("Unable to reflectively invoke interceptor");
sqlEx.initCause(e);
throw sqlEx;
} catch (InvocationTargetException e) {
SQLException sqlEx = new SQLException("Unable to reflectively invoke interceptor");
sqlEx.initCause(e);
throw sqlEx;
}
}
public ResultSetInternalMethods preProcess(String sql, Statement interceptedStatement, Connection connection) throws SQLException {
return this.toProxy.preProcess(sql, interceptedStatement, connection);
}
public static final Method getV2PostProcessMethod(Class toProxyClass) {
try {
Method postProcessMethod = toProxyClass.getMethod("postProcess", new Class[] { String.class, Statement.class, ResultSetInternalMethods.class,
Connection.class, Integer.TYPE, Boolean.TYPE, Boolean.TYPE, SQLException.class });
return postProcessMethod;
} catch (SecurityException e) {
return null;
} catch (NoSuchMethodException e) {
return null;
}
}
}