com.jaspersoft.jasperserver.api.engine.jasperreports.service.impl.DbcpDataSource.java Source code

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Here is the source code for com.jaspersoft.jasperserver.api.engine.jasperreports.service.impl.DbcpDataSource.java

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/*
 * Copyright (C) 2005 - 2014 TIBCO Software Inc. All rights reserved.
 * http://www.jaspersoft.com.
 *
 * Unless you have purchased  a commercial license agreement from Jaspersoft,
 * the following license terms  apply:
 *
 * This program is free software: you can redistribute it and/or  modify
 * it under the terms of the GNU Affero General Public License  as
 * published by the Free Software Foundation, either version 3 of  the
 * License, or (at your option) any later version.
 *
 * 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 Affero  General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public  License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
package com.jaspersoft.jasperserver.api.engine.jasperreports.service.impl;

import javax.sql.DataSource;
import org.apache.commons.dbcp.ConnectionFactory;
import org.apache.commons.dbcp.PoolableConnectionFactory;
import org.apache.commons.dbcp.PoolingDataSource;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.commons.pool.ObjectPool;
import org.apache.commons.pool.ObjectPoolFactory;

import com.jaspersoft.jasperserver.api.JSExceptionWrapper;

/**
 * @author Lucian Chirita (lucianc@users.sourceforge.net)
 * @version $Id: DbcpDataSource.java 48307 2014-08-15 21:38:37Z ichan $
 */
public class DbcpDataSource implements PooledDataSource {

    private final static Log log = LogFactory.getLog(DbcpDataSource.class);

    private final ObjectPool connectionPool;
    private final PoolingDataSource dataSource;

    public DbcpDataSource(ObjectPoolFactory objectPoolFactory, String url, String username, String password) {
        this(objectPoolFactory, url, username, password, true, false);
    }

    public DbcpDataSource(ObjectPoolFactory objectPoolFactory, String url, String username, String password,
            boolean defaultReadOnly, boolean defaultAutoCommit) {
        connectionPool = createPool(objectPoolFactory);
        createPoolableConnectionFactory(url, username, password, defaultReadOnly, defaultAutoCommit);

        dataSource = new PoolingDataSource(connectionPool);
        dataSource.setAccessToUnderlyingConnectionAllowed(true);
    }

    protected ObjectPool createPool(ObjectPoolFactory objectPoolFactory) {
        ObjectPool objectPool = objectPoolFactory.createPool();
        return objectPool;
    }

    protected void createPoolableConnectionFactory(String url, String username, String password,
            boolean defaultReadOnly, boolean defaultAutoCommit) {
        ConnectionFactory connectionFactory = new JdbcDriverManagerConnectionFactory(url, username, password);
        new PoolableConnectionFactory(connectionFactory, connectionPool, null, null, defaultReadOnly,
                defaultAutoCommit);
    }

    public DataSource getDataSource() {
        return dataSource;
    }

    public void release() {
        try {
            connectionPool.close();
        } catch (Exception e) {
            log.error("Error while closing DBCP connection pool", e);
            throw new JSExceptionWrapper(e);
        }
    }

    public boolean isActive() {
        return connectionPool.getNumActive() > 0;
    }

}