Commons DBCP example source code file (ConnectionPoolDataSourceProxy.java)

This example Commons DBCP source code file (ConnectionPoolDataSourceProxy.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Commons DBCP tags/keywords

connectionpooldatasource, connectionpooldatasource, connectionpooldatasourceproxy, io, jdbc, pooledconnection, pooledconnection, pooledconnectionproxy, pooledconnectionproxy, printwriter, sql, sqlexception, sqlexception, string

The Commons DBCP ConnectionPoolDataSourceProxy.java source code

/*
 * 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.
 */

package org.apache.commons.dbcp.datasources;

import java.io.PrintWriter;
import java.sql.SQLException;
import javax.sql.ConnectionPoolDataSource;
import javax.sql.PooledConnection;

/**
 * ConnectionPoolDataSource implementation that proxies another 
 * ConnectionPoolDataSource.
 * 
 * @version $Revision$ $Date$
 */
public class ConnectionPoolDataSourceProxy implements ConnectionPoolDataSource {

    protected ConnectionPoolDataSource delegate = null;
    
    public ConnectionPoolDataSourceProxy(ConnectionPoolDataSource cpds) {
        this.delegate = cpds;
    }
    
    public ConnectionPoolDataSource getDelegate() {
        return delegate;
    }
    
    public int getLoginTimeout() throws SQLException {
        return delegate.getLoginTimeout();
    }
   
    public PrintWriter getLogWriter() throws SQLException {
        return delegate.getLogWriter();
    }

    /**
     * Return a TesterPooledConnection with notifyOnClose turned on
     */
    public PooledConnection getPooledConnection() throws SQLException {
        return wrapPooledConnection(delegate.getPooledConnection());
    }

    /**
     * Return a TesterPooledConnection with notifyOnClose turned on
     */
    public PooledConnection getPooledConnection(String user, String password)
            throws SQLException {
        return wrapPooledConnection(delegate.getPooledConnection(user, password));
    }

    public void setLoginTimeout(int seconds) throws SQLException {
        delegate.setLoginTimeout(seconds);     
    }

    public void setLogWriter(PrintWriter out) throws SQLException {
        delegate.setLogWriter(out);     
    }
    
    /**
     * Create a TesterPooledConnection with notifyOnClose turned on
     */
    protected PooledConnection wrapPooledConnection(PooledConnection pc) {
        PooledConnectionProxy tpc = new PooledConnectionProxy(pc);
        tpc.setNotifyOnClose(true);
        return tpc; 
    }

}