Package org.apache.struts.service.factory.rowset

Source Code of org.apache.struts.service.factory.rowset.RowSetFactory

/*
* $Header: /home/cvs/jakarta-struts/contrib/service-manager/services/factory/src/org/apache/struts/service/factory/rowset/RowSetFactory.java,v 1.2 2002/12/08 07:53:31 rleland Exp $
* $Revision: 1.2 $
* $Date: 2002/12/08 07:53:31 $
*
* ====================================================================
*
* The Apache Software License, Version 1.1
*
* Copyright (c) 1999-2001 The Apache Software Foundation.  All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in
*    the documentation and/or other materials provided with the
*    distribution.
*
* 3. The end-user documentation included with the redistribution, if
*    any, must include the following acknowlegement:
*       "This product includes software developed by the
*        Apache Software Foundation (http://www.apache.org/)."
*    Alternately, this acknowlegement may appear in the software itself,
*    if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Struts", and "Apache Software
*    Foundation" must not be used to endorse or promote products derived
*    from this software without prior written permission. For written
*    permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
*    nor may "Apache" appear in their names without prior written
*    permission of the Apache Group.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation.  For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
*/

package org.apache.struts.service.factory.rowset;

import java.lang.Throwable;
import javax.sql.DataSource;
import java.sql.SQLException;
import java.sql.Connection;
import sun.jdbc.rowset.CachedRowSet;
import javax.servlet.ServletException;
import org.apache.struts.service.factory.Factory;
import org.apache.struts.service.factory.Parameter;
import org.apache.struts.service.ServletServiceManager;

/**
* @author Oleg V Alexeev
* @version $Revision: 1.2 $ $Date: 2002/12/08 07:53:31 $
*/
public class RowSetFactory extends Factory {

        public Object create( String type, Parameter[] parameters )
           throws Throwable {
                Connection conn = null;
                CachedRowSet crs = new CachedRowSet();
                RowSetFactoryMapping factoryMapping= ( RowSetFactoryMapping )getFactoryMapping();
                String dataSourceName = factoryMapping.getDataSource();

                DataSource dataSource = ((ServletServiceManager)getFactoryService().getServiceManager()).getStrutsDataSource( dataSourceName );
                       

                if( dataSource==null )
                        throw new ServletException( "DataSource '" +
                                   dataSourceName + "' not found!");

                try {
                        conn = dataSource.getConnection();

                        crs.setCommand( (String)parameters[0].getValue() );

                        for( int i = 1; i < parameters.length; i++ ) {
                                crs.setObject( i, parameters[i].getValue() );
                        }

                        crs.execute( conn );

                } catch ( SQLException e ) {
                        try {
                                conn.close();
                        } catch ( Exception t ) {
                                ;
                        }
                } finally {
                        if( !factoryMapping.getStoreConnection() ) {
                                try {
                                        conn.close();
                                } catch ( Exception e ) {
                                        ;
                                }      
                        }
                }    

                return new RowSetIterator( crs );
        }
       
}
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