pgt-db.php

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<?php
/*
 * Copyright © 2003-2010, The ESUP-Portail consortium & the JA-SIG Collaborative.
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 *     * Redistributions of source code must retain the above copyright notice,
 *       this list of conditions and the following disclaimer.
 *     * 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.
 *     * Neither the name of the ESUP-Portail consortium & the JA-SIG
 *       Collaborative nor the names of its contributors may be used to endorse or
 *       promote products derived from this software without specific prior
 *       written permission.
 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS 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 COPYRIGHT OWNER OR 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.
 */
 
class PGTStorageDB extends PGTStorage
{
  var $_url='';
 
  function getURL()
    {
      return $this->_url;
    }
 
  var $_link = null;
 
  function getLink()
    {
      return $this->_link;
    }
 
  var $_table = '';
 
  function getTable()
    {
      return $this->_table;
    }
 
  // ########################################################################
  //  DEBUGGING
  // ########################################################################
  
  function getStorageType()
    {
      return "database";
    }
 
  function getStorageInfo()
    {
      return 'url=`'.$this->getURL().'\', table=`'.$this->getTable().'\'';
    }
 
  // ########################################################################
  //  CONSTRUCTOR
  // ########################################################################
  
  function PGTStorageDB($cas_parent,$user,$password,$database_type,$hostname,$port,$database,$table)
    {
      phpCAS::traceBegin();
 
      // call the ancestor's constructor
      $this->PGTStorage($cas_parent);
 
      if ( empty($database_type) ) $database_type = CAS_PGT_STORAGE_DB_DEFAULT_DATABASE_TYPE;
      if ( empty($hostname) ) $hostname = CAS_PGT_STORAGE_DB_DEFAULT_HOSTNAME;
      if ( $port==0 ) $port = CAS_PGT_STORAGE_DB_DEFAULT_PORT;
      if ( empty($database) ) $database = CAS_PGT_STORAGE_DB_DEFAULT_DATABASE;
      if ( empty($table) ) $table = CAS_PGT_STORAGE_DB_DEFAULT_TABLE;
 
      // build and store the PEAR DB URL
      $this->_url = $database_type.':'.'//'.$user.':'.$password.'@'.$hostname.':'.$port.'/'.$database;
 
      // XXX should use setURL and setTable
      phpCAS::traceEnd();
    }
  
  // ########################################################################
  //  INITIALIZATION
  // ########################################################################
  
  function init()
    {
      phpCAS::traceBegin();
      // if the storage has already been initialized, return immediatly
      if ( $this->isInitialized() )
                return;
      // call the ancestor's method (mark as initialized)
      parent::init();
      
          //include phpDB library (the test was introduced in release 0.4.8 for 
          //the integration into Tikiwiki).
          if (!class_exists('DB')) {
                include_once('DB.php');
          }
 
      // try to connect to the database
      $this->_link = DB::connect($this->getURL());
      if ( DB::isError($this->_link) ) {
        phpCAS::error('could not connect to database ('.DB::errorMessage($this->_link).')');
      }
      var_dump($this->_link);
      phpCAS::traceBEnd();
    }
 
}
 
?>