net.sf.jasperreports.data.jndi.JndiDataAdapterService.java Source code

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Here is the source code for net.sf.jasperreports.data.jndi.JndiDataAdapterService.java

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/*
 * JasperReports - Free Java Reporting Library.
 * Copyright (C) 2001 - 2019 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 part of JasperReports.
 *
 * JasperReports is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * JasperReports 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with JasperReports. If not, see <http://www.gnu.org/licenses/>.
 */
package net.sf.jasperreports.data.jndi;

import java.sql.Connection;
import java.util.Map;

import javax.naming.Context;
import javax.naming.InitialContext;
import javax.sql.DataSource;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import net.sf.jasperreports.data.AbstractDataAdapterService;
import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.JRParameter;
import net.sf.jasperreports.engine.JasperReportsContext;
import net.sf.jasperreports.engine.ParameterContributorContext;

/**
 * @author Teodor Danciu (teodord@users.sourceforge.net)
 */
public class JndiDataAdapterService extends AbstractDataAdapterService {
    private static final Log log = LogFactory.getLog(JndiDataAdapterService.class);

    private Connection connection = null;

    /**
     * 
     */
    public JndiDataAdapterService(ParameterContributorContext paramContribContext,
            JndiDataAdapter jndiDataAdapter) {
        super(paramContribContext, jndiDataAdapter);
    }

    /**
     * @deprecated Replaced by {@link #JndiDataAdapterService(ParameterContributorContext, JndiDataAdapter)}.
     */
    public JndiDataAdapterService(JasperReportsContext jasperReportsContext, JndiDataAdapter jndiDataAdapter) {
        super(jasperReportsContext, jndiDataAdapter);
    }

    public JndiDataAdapter getJndiDataAdapter() {
        return (JndiDataAdapter) getDataAdapter();
    }

    @Override
    public void contributeParameters(Map<String, Object> parameters) throws JRException {
        JndiDataAdapter jndiDataAdapter = getJndiDataAdapter();
        if (jndiDataAdapter != null) {

            try {
                Context ctx = new InitialContext();
                DataSource dataSource = (DataSource) ctx
                        .lookup("java:comp/env/" + jndiDataAdapter.getDataSourceName());
                connection = dataSource.getConnection();
            } catch (Exception ex) {
                throw new JRException(ex);
            }

            parameters.put(JRParameter.REPORT_CONNECTION, connection);
        }
    }

    @Override
    public void dispose() {
        if (connection != null) {
            try {
                connection.close();
            } catch (Exception ex) {
                if (log.isErrorEnabled())
                    log.error("Error while closing the connection.", ex);
            }
        }
    }

}