/*
* Copyright (c) 2014, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* WSO2 Inc. 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.wso2.carbon.policy.mgt.core.dao.util;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import javax.naming.InitialContext;
import javax.sql.DataSource;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.Hashtable;
public class PolicyManagementDAOUtil {
private static final Log log = LogFactory.getLog(PolicyManagementDAOUtil.class);
public static DataSource lookupDataSource(String dataSourceName, final Hashtable<Object, Object> jndiProperties) {
try {
if (jndiProperties == null || jndiProperties.isEmpty()) {
return (DataSource) InitialContext.doLookup(dataSourceName);
}
final InitialContext context = new InitialContext(jndiProperties);
return (DataSource) context.doLookup(dataSourceName);
} catch (Exception e) {
throw new RuntimeException("Error in looking up data source: " + e.getMessage(), e);
}
}
public static void cleanupResources(Connection conn, PreparedStatement stmt, ResultSet rs) {
if (rs != null) {
try {
rs.close();
} catch (SQLException e) {
log.warn("Error occurred while closing result set", e);
}
}
if (stmt != null) {
try {
stmt.close();
} catch (SQLException e) {
log.warn("Error occurred while closing prepared statement", e);
}
}
if (conn != null) {
try {
conn.close();
} catch (SQLException e) {
log.warn("Error occurred while closing database connection", e);
}
}
}
public static void cleanupResources(PreparedStatement stmt, ResultSet rs) {
cleanupResources(null, stmt, rs);
}
}