001 /* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 package org.apache.commons.monitoring.jdbc; 018 019 import org.apache.commons.monitoring.Role; 020 import org.apache.commons.monitoring.counters.Counter; 021 import org.apache.commons.monitoring.repositories.Repository; 022 import org.apache.commons.monitoring.stopwatches.StopWatch; 023 024 import java.lang.reflect.InvocationTargetException; 025 import java.lang.reflect.Method; 026 import java.sql.PreparedStatement; 027 028 /** 029 * @author ndeloof 030 */ 031 public class MonitoredPreparedStatement extends MonitoredStatement { 032 private final PreparedStatement statement; 033 private final String sql; 034 035 public MonitoredPreparedStatement(final PreparedStatement statement, final String sql) { 036 super(statement); 037 this.statement = statement; 038 this.sql = sql; 039 } 040 041 @Override 042 public Object invoke(final Object proxy, final Method method, final Object[] args) throws Throwable { 043 final String name = method.getName(); 044 if ((args == null || args.length == 0) && name.startsWith("execute")) { 045 final StopWatch stopWatch = Repository.INSTANCE.start(Repository.INSTANCE.getCounter(new Counter.Key(Role.JDBC, sql))); 046 try { 047 return method.invoke(statement, args); 048 } catch (final InvocationTargetException e) { 049 throw extractSQLException(e); 050 } finally { 051 stopWatch.stop(); 052 } 053 } 054 return super.invoke(proxy, method, args); 055 } 056 057 }