Java tutorial
/** JEM, the BEE - Job Entry Manager, the Batch Execution Environment Copyright (C) 2012-2015 Andrea "Stock" Stocchero This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or 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 General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ package org.pepstock.jem.node.resources.impl.jdbc; import java.util.Hashtable; import javax.naming.Context; import javax.naming.Name; import javax.naming.RefAddr; import javax.naming.Reference; import javax.naming.StringRefAddr; import org.apache.commons.dbcp.BasicDataSourceFactory; import org.pepstock.jem.node.resources.impl.CommonKeys; /** * Custom JBDC Factory, which extends APACHE DB pool, to set the connection properties * * @author Andrea "Stock" Stocchero * @version 2.2 */ public class JdbcFactory extends BasicDataSourceFactory { /* (non-Javadoc) * @see org.apache.commons.dbcp.BasicDataSourceFactory#getObjectInstance(java.lang.Object, javax.naming.Name, javax.naming.Context, java.util.Hashtable) */ @Override public Object getObjectInstance(Object object, Name name, Context ctx, @SuppressWarnings("rawtypes") Hashtable env) throws Exception { // reads the reference Reference ref = (Reference) object; // get the resource custom properties // if exits, adds to CONNECTION properties, // which is usd by Apache DB pool to set connection properties RefAddr ra = ref.get(CommonKeys.RESOURCE_CUSTOM_PROPERTIES); if (ra != null) { String propertyValue = ra.getContent().toString(); ref.add(new StringRefAddr(JdbcResourceKeys.PROP_CONNECTIONPROPERTIES, propertyValue)); } // DBPool want USERNAME instead of USERID RefAddr raUser = ref.get(CommonKeys.USERID); if (raUser != null) { String propertyValue = raUser.getContent().toString(); ref.add(new StringRefAddr(JdbcResourceKeys.PROP_USERNAME, propertyValue)); } // call super return super.getObjectInstance(ref, name, ctx, env); } }