/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source 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 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source 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, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
* Free SoftwareFoundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*
* $Id: DBPoolEcmaWrap.java,v 1.2 2004/09/29 00:13:04 cvs Exp $
*/
package com.caucho.eswrap.com.caucho.sql;
import com.caucho.es.ESException;
import com.caucho.sql.DBPool;
import com.caucho.util.Exit;
import com.caucho.util.ExitListener;
import javax.naming.Context;
import javax.naming.InitialContext;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.ArrayList;
public class DBPoolEcmaWrap {
public static DBPool call(String name)
throws Exception
{
Context cxt = (Context) new InitialContext().lookup("java:comp/env");
return (DBPool) cxt.lookup(name);
}
public static Connection getConnection(DBPool pool)
throws SQLException
{
Connection conn = pool.getConnection();
// Resin automatically reclaims connections when the script ends
Exit.addExit(exitConnection, conn);
return conn;
}
public static Statement createStatement(DBPool pool)
throws SQLException
{
Connection conn = getConnection(pool);
Statement stmt = conn.createStatement();
// Resin automatically reclaims statements when the script ends
Exit.addExit(exitStatement, stmt);
return stmt;
}
public static int executeUpdate(DBPool pool, String msg)
throws SQLException
{
Connection conn = pool.getConnection();
try {
Statement stmt = conn.createStatement();
try {
return stmt.executeUpdate(msg);
} finally {
stmt.close();
}
} finally {
conn.close();
}
}
public static Object executeQuery(DBPool pool, String msg)
throws ESException, SQLException
{
Connection conn = pool.getConnection();
try {
Statement stmt = conn.createStatement();
ArrayList array = new ArrayList();
try {
ResultSet rs = stmt.executeQuery(msg);
try {
int i = 0;
while (rs.next()) {
// array.add(ResultSetEcmaWrap.toObject(rs, null));
}
return array.toArray(new Object[array.size()]);
} finally {
rs.close();
}
} finally {
stmt.close();
}
} finally {
conn.close();
}
}
private static ExitListener exitConnection = new ExitListener() {
public void handleExit(Object o)
{
Connection conn = (Connection) o;
try {
conn.close();
} catch (SQLException e) {
}
}
};
private static ExitListener exitStatement = new ExitListener() {
public void handleExit(Object o)
{
Statement stmt = (Statement) o;
try {
stmt.close();
} catch (SQLException e) {
}
}
};
}