org.wso2.appcloud.tierapi.util.DataSourceJDBC.java Source code

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Here is the source code for org.wso2.appcloud.tierapi.util.DataSourceJDBC.java

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/*
* Copyright (c) 2015, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* 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.
*/

package org.wso2.appcloud.tierapi.util;

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

import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import javax.sql.DataSource;
import java.sql.Connection;
import java.sql.SQLException;
import java.util.Hashtable;

public class DataSourceJDBC {

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

    public static Connection getConnection() {
        Connection conn = null;
        try {
            Context initCtx = new InitialContext();
            SelectorContext selectorContext = new SelectorContext(
                    (Hashtable<String, Object>) initCtx.getEnvironment(), false);
            Context envCtx = (Context) selectorContext.lookup("java:comp/env");

            DataSource ds = (DataSource) envCtx.lookup("jdbc/WSO2AppCloud1");

            conn = ds.getConnection();

        } catch (NamingException e) {
            String msg = "Error while connecting to Data Source ";
            log.error(msg, e);
        } catch (SQLException e) {
            String msg = "Error while getting connection to Data Base ";
            log.error(msg, e);
        }
        return conn;
    }
}