/*
* Copyright (c) 1998-2010 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 Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Rodrigo Westrupp
*/
package com.caucho.quercus.lib.db;
import com.caucho.quercus.annotation.Optional;
import com.caucho.quercus.env.ConnectionEntry;
import com.caucho.quercus.env.Env;
import com.caucho.quercus.env.LongValue;
import com.caucho.quercus.env.StringValue;
import com.caucho.quercus.env.UnicodeValueImpl;
import com.caucho.util.L10N;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* oracle connection class (oracle has NO object oriented API)
*/
public class Oracle extends JdbcConnectionResource {
private static final Logger log = Logger.getLogger(Oracle.class.getName());
private static final L10N L = new L10N(Oracle.class);
public Oracle(Env env,
@Optional("localhost") String host,
@Optional String user,
@Optional String password,
@Optional String db,
@Optional("1521") int port,
@Optional String driver,
@Optional String url)
{
super(env);
connectInternal(env, host, user, password, db, port, "", 0,
driver, url, false);
}
/**
* Connects to the underlying database.
*/
@Override
protected ConnectionEntry connectImpl(Env env,
String host,
String userName,
String password,
String dbname,
int port,
String socket,
int flags,
String driver,
String url,
boolean isNewLink)
{
if (isConnected()) {
env.warning(L.l("Connection is already opened to '{0}'", this));
return null;
}
try {
if (host == null || host.equals("")) {
host = "localhost";
}
if (driver == null || driver.equals("")) {
driver = "oracle.jdbc.OracleDriver";
}
if (url == null || url.equals("")) {
if (dbname.indexOf("//") == 0) {
// db is the url itself: "//db_host[:port]/database_name"
url = "jdbc:oracle:thin:@" + dbname.substring(2);
url = url.replace('/', ':');
} else {
url = "jdbc:oracle:thin:@" + host + ":" + port + ":" + dbname;
}
}
ConnectionEntry jConn;
jConn = env.getConnection(driver, url, userName, password, ! isNewLink);
return jConn;
} catch (SQLException e) {
env.warning("A link to the server could not be established. " + e.toString());
env.setSpecialValue("oracle.connectErrno", LongValue.create(e.getErrorCode()));
env.setSpecialValue("oracle.connectError", env.createString(e.getMessage()));
log.log(Level.FINE, e.toString(), e);
return null;
} catch (Exception e) {
env.warning("A link to the server could not be established. " + e.toString());
env.setSpecialValue("oracle.connectError", env.createString(e.getMessage()));
log.log(Level.FINE, e.toString(), e);
return null;
}
}
/**
* returns a prepared statement
*/
public OracleStatement prepare(Env env, StringValue query)
{
OracleStatement stmt = new OracleStatement((Oracle) validateConnection());
stmt.prepare(env, query);
return stmt;
}
/**
* Creates a database-specific result.
*/
protected JdbcResultResource createResult(Env env,
Statement stmt,
ResultSet rs)
{
return new OracleResult(env, stmt, rs, this);
}
public String toString()
{
if (isConnected())
return "Oracle[" + getHost() + "]";
else
return "Oracle[]";
}
}