CJDBCversion1.0.4: クラス org.objectweb.cjdbc.controller.backend.DriverCompliance

コンストラクタとデストラクタ

org.objectweb.cjdbc.controller.backend.DriverCompliance.DriverCompliance

(

Trace

logger

)

Builds a new DriverCompliance object.

引数:

logger

the logger to use

DriverCompliance.java の 71 行で定義されています。

00072   {
00073     this.logger = logger;
00074   }

メソッド

boolean org.objectweb.cjdbc.controller.backend.DriverCompliance.complianceTest	(	String	backendUrl,
		String	login,
		String	password,
		String	driverPath,
		String	driverClassName,
		String	connectionTestStatement
	)	throws ConnectException

Check the driver compliance.

引数:

	backendUrl	the JDBC URL to connect to
	login	the user login
	password	the user password
	driverPath	path for driver
	driverClassName	class name for driver
	connectionTestStatement	SQL statement used to check if a connection is still valid

戻り値:: true if the driver is C-JDBC compliant

例外:

ConnectException

if it is not possible to connect to the backend

DriverCompliance.java の 89 行で定義されています。

00092   {
00093     if (hasBeenTested)
00094       return isCompliant;
00095 
00096     isCompliant = false;
00097 
00098     Connection c = null;
00099     try
00100     {
00101       c = DriverManager.getConnection(backendUrl, login, password, driverPath,
00102           driverClassName);
00103     }
00104     catch (Exception e)
00105     {
00106       logger.error(Translate.get("backend.driver.test.connection.failed", e));
00107       throw new ConnectException(e.getMessage());
00108     }
00109     if (logger.isDebugEnabled())
00110       logger.debug(Translate.get("backend.driver.test.connection.ok"));
00111 
00112     DatabaseMetaData connectionMetaData;
00113     try
00114     {
00115       connectionMetaData = c.getMetaData();
00116     }
00117     catch (Exception e)
00118     {
00119       logger.error(Translate.get("backend.driver.test.metadata.failed", e));
00120       return isCompliant;
00121     }
00122     if (logger.isDebugEnabled())
00123       logger.debug(Translate.get("backend.driver.test.metadata.ok"));
00124 
00125     try
00126     {
00127       this.databaseProductName = connectionMetaData.getDatabaseProductName();
00128       logger.info(Translate
00129           .get("backend.detected.as", this.databaseProductName));
00130     }
00131     catch (Exception e)
00132     {
00133       logger.warn(Translate.get(
00134           "backend.driver.test.database.productname.failed", e));
00135     }
00136 
00137     Statement s;
00138     try
00139     {
00140       s = c.createStatement();
00141     }
00142     catch (Exception e)
00143     {
00144       logger.error(Translate.get("backend.driver.test.statement.failed", e));
00145       return isCompliant;
00146     }
00147 
00148     try
00149     {
00150       if (connectionTestStatement == null)
00151       {
00152         if (logger.isDebugEnabled())
00153           logger.debug(Translate.get("backend.driver.using.default.statement",
00154               DEFAULT_TEST_STATEMENT));
00155         connectionTestStatement = DEFAULT_TEST_STATEMENT;
00156       }
00157       s.execute(connectionTestStatement);
00158     }
00159     catch (Exception e)
00160     {
00161       logger.error(Translate.get("backend.driver.test.statement.invalid",
00162           connectionTestStatement));
00163       return isCompliant;
00164     }
00165     if (logger.isDebugEnabled())
00166       logger.debug(Translate.get("backend.driver.test.statement.ok"));
00167 
00168     try
00169     {
00170       s.setCursorName("testcursor");
00171       supportSetCursorName = true;
00172       if (logger.isDebugEnabled())
00173         logger
00174             .debug(Translate.get("backend.driver.statement.setCursorName.ok"));
00175     }
00176     catch (Exception e1)
00177     {
00178       logger.warn(Translate
00179           .get("backend.driver.statement.setCursorName.failed"));
00180       supportSetMaxRows = false;
00181     }
00182 
00183     try
00184     {
00185       s.setFetchSize(25);
00186       supportSetFetchSize = true;
00187       if (logger.isDebugEnabled())
00188         logger.debug(Translate.get("backend.driver.statement.setFetchSize.ok"));
00189     }
00190     catch (Exception e1)
00191     {
00192       logger
00193           .warn(Translate.get("backend.driver.statement.setFetchSize.failed"));
00194       supportSetMaxRows = false;
00195     }
00196 
00197     try
00198     {
00199       s.setMaxRows(5);
00200       supportSetMaxRows = true;
00201       if (logger.isDebugEnabled())
00202         logger.debug(Translate.get("backend.driver.statement.setMaxRows.ok"));
00203     }
00204     catch (Exception e1)
00205     {
00206       logger.warn(Translate.get("backend.driver.statement.setMaxRows.failed"));
00207       supportSetMaxRows = false;
00208     }
00209 
00210     try
00211     {
00212       s.getGeneratedKeys();
00213       supportGetGeneratedKeys = true;
00214       if (logger.isDebugEnabled())
00215         logger.debug(Translate
00216             .get("backend.driver.statement.getGeneratedKeys.ok"));
00217     }
00218     catch (Exception e1)
00219     {
00220       logger.warn(Translate
00221           .get("backend.driver.statement.getGeneratedKeys.failed"));
00222       supportGetGeneratedKeys = false;
00223     }
00224     catch (AbstractMethodError e1)
00225     {
00226       logger.warn(Translate
00227           .get("backend.driver.statement.getGeneratedKeys.failed"));
00228       supportGetGeneratedKeys = false;
00229     }
00230     catch (java.lang.NoSuchMethodError e1)
00231     {
00232       logger.warn(Translate
00233           .get("backend.driver.statement.getGeneratedKeys.failed"));
00234       supportGetGeneratedKeys = false;
00235     }
00236 
00237     // Commented out:
00238     // A prepared statement can be sent to the DBMS right away to be compiled
00239     // Should fine a work around for this test.
00240 
00241     //    PreparedStatement ps;
00242     //    try
00243     //    {
00244     //      ps = c.prepareStatement("INSERT INTO versions VALUES (?,?)");
00245     //      ps.setInt(1, 10);
00246     //      ps.setString(2, "just a test");
00247     //    }
00248     //    catch (Exception e)
00249     //    {
00250     //      logger.warn(Translate.get("backend.driver.prepared.statement.failed"),
00251     // e);
00252     //    }
00253     //    if (logger.isDebugEnabled())
00254     //      logger.debug(Translate.get("backend.driver.prepared.statement.ok"));
00255 
00256     try
00257     {
00258       s.setQueryTimeout(TIMEOUT_VALUE);
00259       supportSetQueryTimeout = true;
00260     }
00261     catch (Exception e)
00262     {
00263       logger.warn(Translate.get("backend.driver.setQueryTimeout.failed", e));
00264     }
00265     if (supportSetQueryTimeout && logger.isDebugEnabled())
00266       logger.warn(Translate.get("backend.driver.setQueryTimeout.ok"));
00267 
00268     ResultSet rs;
00269     try
00270     {
00271       String[] types = {"TABLE", "VIEW"};
00272       rs = connectionMetaData.getTables(null, null, "%", types);
00273     }
00274     catch (Exception e)
00275     {
00276       logger
00277           .error(Translate.get("backend.driver.metadata.getTables.failed", e));
00278       return isCompliant;
00279     }
00280     if (logger.isDebugEnabled())
00281       logger.debug(Translate.get("backend.driver.metadata.getTables.ok"));
00282 
00283     java.sql.ResultSetMetaData rsMetaData;
00284     try
00285     {
00286       rsMetaData = rs.getMetaData();
00287     }
00288     catch (Exception e)
00289     {
00290       logger.error(Translate.get("backend.driver.resultset.getMetaData.failed",
00291           e));
00292       return isCompliant;
00293     }
00294     if (logger.isDebugEnabled())
00295       logger.debug(Translate.get("backend.driver.resultset.getMetaData.ok"));
00296 
00297     try
00298     {
00299       if (rs.next())
00300       {
00301         rs.getObject(1);
00302       }
00303       else
00304         logger.warn(Translate.get("backend.driver.resultset.getObject.unable"));
00305     }
00306     catch (Exception e)
00307     {
00308       logger.error(Translate
00309           .get("backend.driver.resultset.getObject.failed", e));
00310       return isCompliant;
00311     }
00312     if (logger.isDebugEnabled())
00313       logger.debug(Translate.get("backend.driver.resultset.getObject.ok"));
00314 
00315     try
00316     {
00317       rsMetaData.getColumnCount();
00318       supportGetColumnCount = true;
00319     }
00320     catch (Exception e)
00321     {
00322       logger.error(Translate
00323           .get("backend.driver.metadata.getColumnCount.failed"));
00324       return isCompliant;
00325     }
00326     if (supportGetColumnCount && logger.isDebugEnabled())
00327       logger.debug(Translate.get("backend.driver.metadata.getColumnCount.ok"));
00328 
00329     try
00330     {
00331       rsMetaData.getColumnName(1);
00332     }
00333     catch (Exception e)
00334     {
00335       logger.error(Translate
00336           .get("backend.driver.metadata.getColumnName.failed"));
00337       return isCompliant;
00338     }
00339     if (logger.isDebugEnabled())
00340       logger.debug(Translate.get("backend.driver.metadata.getColumnName.ok"));
00341 
00342     try
00343     {
00344       rsMetaData.getTableName(1);
00345       supportGetTableName = true;
00346     }
00347     catch (Exception e)
00348     {
00349       logger.warn(Translate.get("backend.driver.metadata.getTableName.failed",
00350           e));
00351     }
00352 
00353     if (supportGetTableName && logger.isDebugEnabled())
00354       logger.debug(Translate.get("backend.driver.metadata.getTableName.ok"));
00355 
00356     try
00357     {
00358       rsMetaData.getColumnDisplaySize(1);
00359       supportGetColumnDisplaySize = true;
00360     }
00361     catch (Exception e)
00362     {
00363       logger.warn(Translate.get(
00364           "backend.driver.metadata.getColumnDisplaySize.failed", e));
00365     }
00366     if (supportGetColumnDisplaySize && logger.isDebugEnabled())
00367       logger.debug(Translate
00368           .get("backend.driver.metadata.getColumnDisplaySize.ok"));
00369 
00370     try
00371     {
00372       rsMetaData.getColumnType(1);
00373       supportGetColumnType = true;
00374     }
00375     catch (Exception e)
00376     {
00377       logger.warn(Translate.get("backend.driver.metadata.getColumnType.failed",
00378           e));
00379     }
00380     if (supportGetColumnType && logger.isDebugEnabled())
00381       logger.debug(Translate.get("backend.driver.metadata.getColumnType.ok"));
00382 
00383     try
00384     {
00385       rsMetaData.getColumnTypeName(1);
00386       supportGetColumnTypeName = true;
00387     }
00388     catch (Exception e)
00389     {
00390       logger.warn(Translate.get(
00391           "backend.driver.metadata.getColumnTypeName.failed", e));
00392     }
00393     if (supportGetColumnTypeName && logger.isDebugEnabled())
00394       logger.debug(Translate
00395           .get("backend.driver.metadata.getColumnTypeName.ok"));
00396 
00397     try
00398     {
00399       rsMetaData.getColumnClassName(1);
00400       supportGetColumnClassName = true;
00401     }
00402     catch (Exception e)
00403     {
00404       logger.warn(Translate.get(
00405           "backend.driver.metadata.getColumnClassName.failed", e));
00406     }
00407     if (supportGetColumnClassName && logger.isDebugEnabled())
00408       logger.debug(Translate
00409           .get("backend.driver.metadata.getColumnClassName.ok"));
00410 
00411     isCompliant = true;
00412     hasBeenTested = true;
00413     return isCompliant;
00414   }

String org.objectweb.cjdbc.controller.backend.DriverCompliance.getDatabaseProductName

(

)

Returns the databaseProductName value.

戻り値:: Returns the databaseProductName.

DriverCompliance.java の 521 行で定義されています。

00522   {
00523     return this.databaseProductName;
00524   }

boolean org.objectweb.cjdbc.controller.backend.DriverCompliance.isCompliant

(

)

戻り値:: true if the driver is compliant to the C-JDBC requirements

DriverCompliance.java の 419 行で定義されています。

参照先 org.objectweb.cjdbc.controller.backend.DriverCompliance.isCompliant.

00420   {
00421     return isCompliant;
00422   }

変数

src/org/objectweb/cjdbc/controller/backend/DriverCompliance.java

CJDBCversion1.0.4に対してTue Oct 12 15:16:35 2004に生成されました。

1.3.8

クラス org.objectweb.cjdbc.controller.backend.DriverCompliance

説明

Public メソッド

Private 変数

Static Private 変数

コンストラクタとデストラクタ

メソッド

変数


Public メソッド
	DriverCompliance (Trace logger)
boolean	complianceTest (String backendUrl, String login, String password, String driverPath, String driverClassName, String connectionTestStatement) throws ConnectException
boolean	isCompliant ()
boolean	supportGetGeneratedKeys ()
boolean	supportGetColumnClassName ()
boolean	supportGetColumnCount ()
boolean	supportGetColumnDisplaySize ()
boolean	supportGetColumnType ()
boolean	supportGetColumnTypeName ()
boolean	supportGetTableName ()
boolean	supportSetQueryTimeout ()
boolean	supportSetMaxRows ()
boolean	supportSetCursorName ()
boolean	supportSetFetchSize ()
String	getDatabaseProductName ()
Private 変数
boolean	isCompliant = false
boolean	hasBeenTested = false
boolean	supportSetQueryTimeout = false
boolean	supportGetGeneratedKeys = false
boolean	supportGetColumnCount = false
boolean	supportGetColumnClassName = false
boolean	supportGetColumnTypeName = false
boolean	supportGetColumnType = false
boolean	supportGetColumnDisplaySize = false
boolean	supportGetTableName = false
boolean	supportSetCursorName = false
boolean	supportSetFetchSize = false
boolean	supportSetMaxRows = false
Trace	logger
String	databaseProductName = "C-JDBC"
Static Private 変数
final int	TIMEOUT_VALUE = 1000
final String	DEFAULT_TEST_STATEMENT = "select 1"