archive/net.sourceforge.phpeclipse.sql/src/net/sourceforge/phpdt/sql/adapters/AdapterFactory.java

   1 package net.sourceforge.phpdt.sql.adapters;
   2
   3 import java.util.ArrayList;
   4
   5 import net.sourceforge.phpdt.sql.Messages;
   6
   7 /**
   8  * @author root
   9  * Basically this Factory is a Singleton that is used to return the proper adapter
  10  */
  11 public class AdapterFactory {
  12         public static final String GENERIC = "GENERIC"; //$NON-NLS-1$
  13     public static final String ORACLE = "ORACLE"; //$NON-NLS-1$
  14     public static final String POSTGRES = "POSTGRES"; //$NON-NLS-1$
  15     public static final String MYSQL = "MYSQL"; //$NON-NLS-1$
  16     public static final String DB2 = "DB2"; //$NON-NLS-1$
  17     public static final String DB2AS400 = "DB2AS400"; //$NON-NLS-1$
  18         public static final String ADABASD = "ADABASD"; //$NON-NLS-1$
  19     public static final String INFORMIX = "INFORMIX"; //$NON-NLS-1$
  20         public static final String REDBRICK = "REDBRICK"; //$NON-NLS-1$
  21
  22     private static AdapterFactory instance;
  23
  24     private ArrayList drivers;
  25
  26     private AdapterFactory() {
  27         loadDrivers();
  28     }
  29     public static synchronized AdapterFactory getInstance() {
  30         if (instance == null) {
  31                 instance = new AdapterFactory();
  32         }
  33         return instance;
  34     }
  35
  36     /**
  37      * Master list of supported drivers
  38      */
  39     private void loadDrivers() {
  40         drivers = new ArrayList();
  41
  42                 DriverInfo generic = new DriverInfo(GENERIC, Messages.getString("adapters.generic"), new GenericAdapter()); //$NON-NLS-1$
  43                 DriverInfo oracle = new DriverInfo(ORACLE, Messages.getString("adapters.oracle"), new OracleAdapter()); //$NON-NLS-1$
  44                 DriverInfo db2 = new DriverInfo(DB2,  Messages.getString("adapters.db2"), new DB2Adapter()); //$NON-NLS-1$
  45                 DriverInfo db2as400 = new DriverInfo(DB2AS400,  Messages.getString("adapters.db2as400"), new DB2AS400Adapter()); //$NON-NLS-1$
  46                 DriverInfo postgres = new DriverInfo(POSTGRES,  Messages.getString("adapters.postgres"), new PostgresAdapter()); //$NON-NLS-1$
  47                 DriverInfo mysql = new DriverInfo(MYSQL,  Messages.getString("adapters.mysql"), new MySQLAdapter()); //$NON-NLS-1$
  48                 DriverInfo adabasd = new DriverInfo(ADABASD, Messages.getString("adapters.adabasd"), new AdabasDAdapter()); //$NON-NLS-1$
  49         DriverInfo informix = new DriverInfo(INFORMIX, Messages.getString("adapters.informix"), new GenericAdapter()); //$NON-NLS-1$
  50                 DriverInfo redbrick = new DriverInfo(REDBRICK, Messages.getString("adapters.redbrick"), new RedBrickAdapter()); //$NON-NLS-1$
  51
  52         drivers.add(generic);
  53         drivers.add(oracle);
  54         drivers.add(db2);
  55         drivers.add(db2as400);
  56         drivers.add(postgres);
  57         drivers.add(mysql);
  58                 drivers.add(adabasd);
  59         drivers.add(informix);
  60                 drivers.add(redbrick);
  61     }
  62
  63     public synchronized DatabaseAdapter getAdapter(String type){
  64         if (drivers == null) {
  65                 loadDrivers();
  66         }
  67         for (int i = 0; i < drivers.size(); i++) {
  68                 DriverInfo info = (DriverInfo) drivers.get(i);
  69                 if (type.equals(info.getDriverType())) {
  70                         return info.getAdapter();
  71                 }
  72         }
  73         // If its not a recognized driver, we return the generic one
  74                 for (int i = 0; i < drivers.size(); i++) {
  75                         DriverInfo info = (DriverInfo) drivers.get(i);
  76                         if (type.equals(GENERIC)) {
  77                                 return info.getAdapter();
  78                         }
  79                 }
  80                 return null;
  81     }
  82
  83     public synchronized DriverInfo[] getDriverList() {
  84         DriverInfo[] driverList = new DriverInfo[drivers.size()];
  85         for (int i = 0; i < drivers.size(); i++) {
  86                 DriverInfo info = (DriverInfo) drivers.get(i);
  87                 driverList[i] = info;
  88         }
  89         return driverList;
  90     }
  91 }