<?php
	require_once 'Zend/Db.php';
	/**
	 * It makes the connection to the database, using the Zend_DB - Zend Framework.
	 * 
	 * @author Fabio Xavier de Lima
	 * @version 1.0 - Creation Date: 23/06/2008 - Last Modfied: 01/07/2008
	 */
	class ConnectDB{
		
		private $database;
		private $parameters;
		private $db;
		
		/**
		 * Builder of the class.
		 *
		 * @param string $adapterName - database name
		 * @return class ConnectDB
		 */
		function ConnectDB($adapterName){
			$this->database = $adapterName;
		}
		
		/**
		 * Create connection with database.
		 * 
		 * @return Return the connection to the database,
		 *         of accord with adapterName informed.
		 */
		function getConnection(){
			
			switch (strtolower($this->database)){
				
				case null:
					
					$this->db = 'Informing the corresponding AdpaterName.';
					 break;
				
				case 'oracle':
					
					$oracle				= '(DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(Host=xx.100.100.x)(Port=1521))(CONNECT_DATA=(SID=ora10g)))';
					$this->parameters	= array('host'=>'xx.100.100.x','username'=>'test','password'=>'test','dbname'=>$oracle);
					$this->db			= Zend_Db::factory('Oracle',  $this->parameters);
					
					break;
				
				default:
					
					$this->db = 'Implement other databases';
					break;
			}
			
			return $this->db;
		}
		/**
		 * Destroying the connection.
		 */
		function __destruct() {
			if (isset($this->db)) {
				$this->db->closeConnection();	
			}
		}
	}
?>