/*
* #%L
* P6Spy
* %%
* Copyright (C) 2002 - 2016 P6Spy
* %%
* 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.
* #L%
*/
package com.p6spy.engine.wrapper;
import java.sql.Array;
import java.sql.Blob;
import java.sql.CallableStatement;
import java.sql.Clob;
import java.sql.Connection;
import java.sql.DatabaseMetaData;
import java.sql.NClob;
import java.sql.PreparedStatement;
import java.sql.SQLClientInfoException;
import java.sql.SQLException;
import java.sql.SQLWarning;
import java.sql.SQLXML;
import java.sql.Savepoint;
import java.sql.Statement;
import java.sql.Struct;
import java.util.Map;
import java.util.Properties;
import java.util.concurrent.Executor;
import com.p6spy.engine.common.CallableStatementInformation;
import com.p6spy.engine.common.ConnectionInformation;
import com.p6spy.engine.common.PreparedStatementInformation;
import com.p6spy.engine.common.StatementInformation;
import com.p6spy.engine.event.JdbcEventListener;
/**
* This implementation wraps a {@link Connection} and notifies a {@link JdbcEventListener}
* about certain method invocations.
* <p>
* This class implements the Wrapper or Decorator pattern. Methods default
* to calling through to the wrapped request object.
*
* @see Connection
*/
public class ConnectionWrapper extends AbstractWrapper implements Connection {
private final Connection delegate;
private final JdbcEventListener eventListener;
private final ConnectionInformation connectionInformation;
public static Connection wrap(Connection delegate, JdbcEventListener eventListener, ConnectionInformation connectionInformation) {
if (delegate == null) {
return null;
}
final ConnectionWrapper connectionWrapper = new ConnectionWrapper(delegate, eventListener, connectionInformation);
eventListener.onConnectionWrapped(connectionInformation);
return connectionWrapper;
}
private ConnectionWrapper(Connection delegate, JdbcEventListener eventListener, ConnectionInformation connectionInformation) {
super(delegate);
this.delegate = delegate;
this.eventListener = eventListener;
this.connectionInformation = connectionInformation;
}
public JdbcEventListener getEventListener() {
return eventListener;
}
public Connection getDelegate() {
return delegate;
}
public ConnectionInformation getConnectionInformation() {
return connectionInformation;
}
@Override
public Statement createStatement() throws SQLException {
return StatementWrapper.wrap(delegate.createStatement(), new StatementInformation(connectionInformation), eventListener);
}
@Override
public Statement createStatement(int resultSetType, int resultSetConcurrency) throws SQLException {
return StatementWrapper.wrap(delegate.createStatement(resultSetType, resultSetConcurrency), new StatementInformation(connectionInformation), eventListener);
}
@Override
public Statement createStatement(int resultSetType, int resultSetConcurrency, int resultSetHoldability) throws SQLException {
return StatementWrapper.wrap(delegate.createStatement(resultSetType, resultSetConcurrency, resultSetHoldability), new StatementInformation(connectionInformation), eventListener);
}
@Override
public PreparedStatement prepareStatement(String sql) throws SQLException {
return PreparedStatementWrapper.wrap(delegate.prepareStatement(sql), new PreparedStatementInformation(connectionInformation, sql), eventListener);
}
@Override
public PreparedStatement prepareStatement(String sql, int resultSetType, int resultSetConcurrency) throws SQLException {
return PreparedStatementWrapper.wrap(delegate.prepareStatement(sql, resultSetType, resultSetConcurrency), new PreparedStatementInformation(connectionInformation, sql), eventListener);
}
@Override
public PreparedStatement prepareStatement(String sql, int resultSetType, int resultSetConcurrency, int resultSetHoldability) throws SQLException {
return PreparedStatementWrapper.wrap(delegate.prepareStatement(sql, resultSetType, resultSetConcurrency, resultSetHoldability), new PreparedStatementInformation(connectionInformation, sql), eventListener);
}
@Override
public PreparedStatement prepareStatement(String sql, int autoGeneratedKeys) throws SQLException {
return PreparedStatementWrapper.wrap(delegate.prepareStatement(sql, autoGeneratedKeys), new PreparedStatementInformation(connectionInformation, sql), eventListener);
}
@Override
public PreparedStatement prepareStatement(String sql, int[] columnIndexes) throws SQLException {
return PreparedStatementWrapper.wrap(delegate.prepareStatement(sql, columnIndexes), new PreparedStatementInformation(connectionInformation, sql), eventListener);
}
@Override
public PreparedStatement prepareStatement(String sql, String[] columnNames) throws SQLException {
return PreparedStatementWrapper.wrap(delegate.prepareStatement(sql, columnNames), new PreparedStatementInformation(connectionInformation, sql), eventListener);
}
@Override
public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency, int resultSetHoldability) throws SQLException {
return CallableStatementWrapper.wrap(delegate.prepareCall(sql, resultSetType, resultSetConcurrency, resultSetHoldability), new CallableStatementInformation(connectionInformation, sql), eventListener);
}
@Override
public CallableStatement prepareCall(String sql) throws SQLException {
return CallableStatementWrapper.wrap(delegate.prepareCall(sql), new CallableStatementInformation(connectionInformation, sql), eventListener);
}
@Override
public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency) throws SQLException {
return CallableStatementWrapper.wrap(delegate.prepareCall(sql, resultSetType, resultSetConcurrency), new CallableStatementInformation(connectionInformation, sql), eventListener);
}
@Override
public void commit() throws SQLException {
SQLException e = null;
long start = System.nanoTime();
try {
eventListener.onBeforeCommit(connectionInformation);
delegate.commit();
} catch (SQLException sqle) {
e = sqle;
throw e;
} finally {
eventListener.onAfterCommit(connectionInformation, System.nanoTime() - start, e);
}
}
@Override
public void rollback() throws SQLException {
SQLException e = null;
long start = System.nanoTime();
try {
eventListener.onBeforeRollback(connectionInformation);
delegate.rollback();
} catch (SQLException sqle) {
e = sqle;
throw e;
} finally {
eventListener.onAfterRollback(connectionInformation, System.nanoTime() - start, e);
}
}
@Override
public void rollback(Savepoint savepoint) throws SQLException {
SQLException e = null;
long start = System.nanoTime();
try {
eventListener.onBeforeRollback(connectionInformation);
delegate.rollback(savepoint);
} catch (SQLException sqle) {
e = sqle;
throw e;
} finally {
eventListener.onAfterRollback(connectionInformation, System.nanoTime() - start, e);
}
}
@Override
public String nativeSQL(String sql) throws SQLException {
return delegate.nativeSQL(sql);
}
@Override
public void setAutoCommit(boolean autoCommit) throws SQLException {
delegate.setAutoCommit(autoCommit);
}
@Override
public boolean getAutoCommit() throws SQLException {
return delegate.getAutoCommit();
}
@Override
public void close() throws SQLException {
SQLException e = null;
try {
delegate.close();
} catch (SQLException sqle) {
e = sqle;
throw e;
} finally {
eventListener.onAfterConnectionClose(connectionInformation, e);
}
}
@Override
public boolean isClosed() throws SQLException {
return delegate.isClosed();
}
@Override
public DatabaseMetaData getMetaData() throws SQLException {
return delegate.getMetaData();
}
@Override
public void setReadOnly(boolean readOnly) throws SQLException {
delegate.setReadOnly(readOnly);
}
@Override
public boolean isReadOnly() throws SQLException {
return delegate.isReadOnly();
}
@Override
public void setCatalog(String catalog) throws SQLException {
delegate.setCatalog(catalog);
}
@Override
public String getCatalog() throws SQLException {
return delegate.getCatalog();
}
@Override
public void setTransactionIsolation(int level) throws SQLException {
delegate.setTransactionIsolation(level);
}
@Override
public int getTransactionIsolation() throws SQLException {
return delegate.getTransactionIsolation();
}
@Override
public SQLWarning getWarnings() throws SQLException {
return delegate.getWarnings();
}
@Override
public void clearWarnings() throws SQLException {
delegate.clearWarnings();
}
@Override
public Map<String, Class<?>> getTypeMap() throws SQLException {
return delegate.getTypeMap();
}
@Override
public void setTypeMap(Map<String, Class<?>> map) throws SQLException {
delegate.setTypeMap(map);
}
@Override
public void setHoldability(int holdability) throws SQLException {
delegate.setHoldability(holdability);
}
@Override
public int getHoldability() throws SQLException {
return delegate.getHoldability();
}
@Override
public Savepoint setSavepoint() throws SQLException {
return delegate.setSavepoint();
}
@Override
public Savepoint setSavepoint(String name) throws SQLException {
return delegate.setSavepoint(name);
}
@Override
public void releaseSavepoint(Savepoint savepoint) throws SQLException {
delegate.releaseSavepoint(savepoint);
}
@Override
public Clob createClob() throws SQLException {
return delegate.createClob();
}
@Override
public Blob createBlob() throws SQLException {
return delegate.createBlob();
}
@Override
public NClob createNClob() throws SQLException {
return delegate.createNClob();
}
@Override
public SQLXML createSQLXML() throws SQLException {
return delegate.createSQLXML();
}
@Override
public boolean isValid(int timeout) throws SQLException {
return delegate.isValid(timeout);
}
@Override
public void setClientInfo(String name, String value) throws SQLClientInfoException {
delegate.setClientInfo(name, value);
}
@Override
public void setClientInfo(Properties properties) throws SQLClientInfoException {
delegate.setClientInfo(properties);
}
@Override
public String getClientInfo(String name) throws SQLException {
return delegate.getClientInfo(name);
}
@Override
public Properties getClientInfo() throws SQLException {
return delegate.getClientInfo();
}
@Override
public Array createArrayOf(String typeName, Object[] elements) throws SQLException {
return delegate.createArrayOf(typeName, elements);
}
@Override
public Struct createStruct(String typeName, Object[] attributes) throws SQLException {
return delegate.createStruct(typeName, attributes);
}
@Override
public void setSchema(String schema) throws SQLException {
delegate.setSchema(schema);
}
@Override
public String getSchema() throws SQLException {
return delegate.getSchema();
}
@Override
public void abort(Executor executor) throws SQLException {
delegate.abort(executor);
}
public void setNetworkTimeout(Executor executor, int milliseconds) throws SQLException {
delegate.setNetworkTimeout(executor, milliseconds);
}
@Override
public int getNetworkTimeout() throws SQLException {
return delegate.getNetworkTimeout();
}
}