import java.util.ArrayList;
import java.util.Collections;
+import java.util.Comparator;
+import java.util.HashMap;
import java.util.List;
-
-import com.quantum.Messages;
+import java.util.Map;
/**
- * @author root
* Basically this Factory is a Singleton that is used to return the proper adapter
+ * @author root
*/
public class AdapterFactory {
+
+ static class ComparatorImpl implements Comparator {
+
+ public int compare(Object arg0, Object arg1) {
+ DatabaseAdapter adapter0 = (DatabaseAdapter) arg0;
+ DatabaseAdapter adapter1 = (DatabaseAdapter) arg1;
+
+ if (adapter0 == null && adapter0 != null) {
+ return -1;
+ } else if (adapter0 != null && adapter1 == null) {
+ return 1;
+ } else if (adapter0 == null && adapter1 == null) {
+ return 0;
+ } else {
+ return adapter0.getDisplayName().compareTo(adapter1.getDisplayName());
+ }
+ }
+ }
+
public static final String GENERIC = "GENERIC"; //$NON-NLS-1$
+ public static final String HSQLDB = "HSQLDB"; //$NON-NLS-1$
public static final String ORACLE = "ORACLE"; //$NON-NLS-1$
public static final String POSTGRES = "POSTGRES"; //$NON-NLS-1$
public static final String MYSQL = "MYSQL"; //$NON-NLS-1$
public static final String ADABASD = "ADABASD"; //$NON-NLS-1$
public static final String INFORMIX = "INFORMIX"; //$NON-NLS-1$
public static final String REDBRICK = "REDBRICK"; //$NON-NLS-1$
+ public static final String POINTBASE = "POINTBASE"; //$NON-NLS-1$
public static final String SYBASE = "SYBASE"; //$NON-NLS-1$
+ private static final Map DRIVER_MAP = Collections.synchronizedMap(new HashMap());
+
+ static {
+ DRIVER_MAP.put("com.ddtek.jdbc.informix.InformixDriver", AdapterFactory.INFORMIX);
+ DRIVER_MAP.put("com.ddtek.jdbc.db2.DB2Driver", AdapterFactory.DB2);
+ DRIVER_MAP.put("com.ddtek.jdbc.oracle.OracleDriver", AdapterFactory.ORACLE);
+ DRIVER_MAP.put("com.ddtek.jdbc.sqlserver.SQLServerDriver", AdapterFactory.GENERIC);
+ DRIVER_MAP.put("com.ddtek.jdbc.sybase.SybaseDriver", AdapterFactory.SYBASE);
+ DRIVER_MAP.put("com.ibm.as400.access.AS400JDBCDriver", AdapterFactory.DB2AS400);
+ DRIVER_MAP.put("COM.ibm.db2.jdbc.app.DB2Driver", AdapterFactory.DB2);
+ DRIVER_MAP.put("COM.ibm.db2.jdbc.net.DB2Driver", AdapterFactory.DB2);
+ DRIVER_MAP.put("com.inet.ora.OraDriver", AdapterFactory.ORACLE);
+ DRIVER_MAP.put("com.inet.drda.DRDADriver", AdapterFactory.DB2);
+ DRIVER_MAP.put("com.inet.syb.SybDriver", AdapterFactory.SYBASE);
+ DRIVER_MAP.put("com.inet.tds.TdsDriver", AdapterFactory.GENERIC);
+ DRIVER_MAP.put("com.informix.jdbc.IfxDriver", AdapterFactory.INFORMIX);
+ DRIVER_MAP.put("com.microsoft.jdbc.sqlserver.SQLServerDriver", AdapterFactory.GENERIC);
+ DRIVER_MAP.put("com.mysql.jdbc.Driver", AdapterFactory.MYSQL);
+ DRIVER_MAP.put("com.pointbase.jdbc.jdbcUniversalDriver", AdapterFactory.POINTBASE);
+ DRIVER_MAP.put("com.sybase.jdbcx.SybDriver", AdapterFactory.SYBASE);
+ DRIVER_MAP.put("oracle.jdbc.driver.OracleDriver", AdapterFactory.ORACLE);
+ DRIVER_MAP.put("org.gjt.mm.mysql.Driver", AdapterFactory.MYSQL);
+ DRIVER_MAP.put("org.hsqldb.jdbcDriver", AdapterFactory.HSQLDB);
+ DRIVER_MAP.put("org.postgresql.Driver", AdapterFactory.POSTGRES);
+ DRIVER_MAP.put("weblogic.jdbc.informix.InformixDriver", AdapterFactory.INFORMIX);
+ DRIVER_MAP.put("weblogic.jdbc.sqlserver.SybaseDriver", AdapterFactory.SYBASE);
+ }
+
private static AdapterFactory instance;
- private ArrayList drivers;
+ private Map adapters = Collections.synchronizedMap(new HashMap());
private AdapterFactory() {
- loadDrivers();
+ addAdapter(new GenericAdapter(GENERIC));
+ addAdapter(new GenericAdapter(HSQLDB));
+ addAdapter(new OracleAdapter());
+ addAdapter(new DB2Adapter());
+ addAdapter(new DB2AS400Adapter());
+ addAdapter(new PostgresAdapter());
+ addAdapter(new GenericAdapter(MYSQL));
+ addAdapter(new AdabasDAdapter());
+ addAdapter(new GenericAdapter(INFORMIX));
+ addAdapter(new RedBrickAdapter());
+ addAdapter(new GenericAdapter(SYBASE));
+ addAdapter(new GenericAdapter(POINTBASE));
+ }
+ private void addAdapter(DatabaseAdapter adapter) {
+ this.adapters.put(adapter.getType(), adapter);
}
+
public static synchronized AdapterFactory getInstance() {
if (instance == null) {
instance = new AdapterFactory();
return instance;
}
- /**
- * Master list of supported drivers
- */
- private void loadDrivers() {
- drivers = new ArrayList();
-
- DriverInfo generic = new DriverInfo(GENERIC, Messages.getString("adapters.generic"), new GenericAdapter()); //$NON-NLS-1$
- DriverInfo oracle = new DriverInfo(ORACLE, Messages.getString("adapters.oracle"), new OracleAdapter()); //$NON-NLS-1$
- DriverInfo db2 = new DriverInfo(DB2, Messages.getString("adapters.db2"), new DB2Adapter()); //$NON-NLS-1$
- DriverInfo db2as400 = new DriverInfo(DB2AS400, Messages.getString("adapters.db2as400"), new DB2AS400Adapter()); //$NON-NLS-1$
- DriverInfo postgres = new DriverInfo(POSTGRES, Messages.getString("adapters.postgres"), new PostgresAdapter()); //$NON-NLS-1$
- DriverInfo mysql = new DriverInfo(MYSQL, Messages.getString("adapters.mysql"), new GenericAdapter()); //$NON-NLS-1$
- DriverInfo adabasd = new DriverInfo(ADABASD, Messages.getString("adapters.adabasd"), new AdabasDAdapter()); //$NON-NLS-1$
- DriverInfo informix = new DriverInfo(INFORMIX, Messages.getString("adapters.informix"), new GenericAdapter()); //$NON-NLS-1$
- DriverInfo redbrick = new DriverInfo(REDBRICK, Messages.getString("adapters.redbrick"), new RedBrickAdapter()); //$NON-NLS-1$
- DriverInfo sybase = new DriverInfo(SYBASE, Messages.getString("adapters.sybase"), new GenericAdapter()); //$NON-NLS-1$
-
- drivers.add(generic);
- drivers.add(oracle);
- drivers.add(db2);
- drivers.add(db2as400);
- drivers.add(postgres);
- drivers.add(mysql);
- drivers.add(adabasd);
- drivers.add(informix);
- drivers.add(redbrick);
- drivers.add(sybase);
+ public DatabaseAdapter getAdapter(String type){
+ DatabaseAdapter result = (DatabaseAdapter) this.adapters.get(type);
+ if (result == null) {
+ result = (DatabaseAdapter) this.adapters.get(GENERIC);
+ }
+ return result == null ? null : result;
}
- public synchronized DatabaseAdapter getAdapter(String type){
- if (drivers == null) {
- loadDrivers();
- }
- for (int i = 0; i < drivers.size(); i++) {
- DriverInfo info = (DriverInfo) drivers.get(i);
- if (type.equals(info.getDriverType())) {
- return info.getAdapter();
- }
- }
- // If its not a recognized driver, we return the generic one
- for (int i = 0; i < drivers.size(); i++) {
- DriverInfo info = (DriverInfo) drivers.get(i);
- if (type.equals(GENERIC)) {
- return info.getAdapter();
- }
- }
- return null;
+ public DatabaseAdapter[] getDriverList() {
+ List list = new ArrayList(this.adapters.values());
+ Collections.sort(list, new ComparatorImpl());
+ return (DatabaseAdapter[]) list.toArray(new DatabaseAdapter[list.size()]);
}
- public synchronized DriverInfo[] getDriverList() {
- List list = new ArrayList(this.drivers);
- Collections.sort(list);
- return (DriverInfo[]) list.toArray(new DriverInfo[list.size()]);
+ /**
+ *
+ * @param driverClassName
+ * @return the adapter type, or null if the adapter type is not known
+ */
+ public String getAdapterType(String driverClassName) {
+ return (String) DRIVER_MAP.get(driverClassName);
}
}
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