Java DataSource isDataSourceAvailable(String dataSourceName)

Description

is Data Source Available

License

Open Source License

Declaration

public static boolean isDataSourceAvailable(String dataSourceName) 

Method Source Code

//package com.java2s;
/*/*from w  w  w  .j ava2 s  . c  o  m*/
 * This is a program for Language Grid Core Node. This combines multiple language resources and provides composite language services.
 * Copyright (C) 2005-2012 NICT Language Grid Project.
 *
 * This program 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 2.1 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 Lesser 
 * General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License 
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

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

public class Main {
    /**
     * 
     * 
     */
    public static boolean isDataSourceAvailable(String dataSourceName) {
        try {
            DataSource.class.cast(new InitialContext().lookup(dataSourceName));
            return true;
        } catch (NamingException e) {
            return false;
        }
    }
}

Related

1. hasTable(DataSource ds, String table)
2. initDataSource()
3. initDatasource(String jndiName)
4. initDb(DataSource ds)
5. initializeDataSource()
6. logQueryResultToFile(DataSource dataSource, String path, String sqlStatement, Object... boundVariables)
7. lookupDataSource(String dataSourceName)
8. lookupDataSource(String dataSourceName, final Hashtable jndiProperties)
9. myDataSource(String username, String password)