Spring JDBC 6.1.4 · org.springframework.jdbc.support.SQLErrorCodesFactory

Field Summary

Modifier and Type	Field and Description
private final Map<DataSource, SQLErrorCodes>	dataSourceCache Map to cache the SQLErrorCodes instance per DataSource.
private final Map<String, SQLErrorCodes>	errorCodesMap Map to hold error codes for all databases defined in the config file.
private static SQLErrorCodesFactory	instance Keep track of a single instance so we can return it to classes that request it.
private static final Log	logger
public static final String	SQL_ERROR_CODE_DEFAULT_PATH The name of default SQL error code files, loading from the class path.
public static final String	SQL_ERROR_CODE_OVERRIDE_PATH The name of custom SQL error codes file, loading from the root of the class path (e.g. from the "/WEB-INF/classes" directory).

Constructor Summary

Access	Constructor and Description
protected	SQLErrorCodesFactory() Create a new instance of the `SQLErrorCodesFactory` class.

Method Summary

Modifier and Type	Method and Description
private void	checkCustomTranslatorRegistry(String databaseName, SQLErrorCodes errorCodes) Check the `CustomSQLExceptionTranslatorRegistry` for any entries.
public SQLErrorCodes	Returns: the `SQLErrorCodes` instance for the given database (never `null`; potentially empty) getErrorCodes(String the database name (must not be `null`) databaseName) Return the `SQLErrorCodes` instance for the given database.
public SQLErrorCodes	Returns: the corresponding `SQLErrorCodes` object (never `null`; potentially empty) getErrorCodes(DataSource the `DataSource` identifying the database dataSource) Return `SQLErrorCodes` for the given `DataSource`, evaluating "databaseProductName" from the `java.sql.DatabaseMetaData`, or an empty error codes instance if no `SQLErrorCodes` were found.
public static SQLErrorCodesFactory	getInstance() Return the singleton instance.
private String	Returns: the identification String identify(DataSource the `DataSource` to introspect dataSource) Build an identification String for the given `DataSource`, primarily for logging purposes.
protected Resource	Returns: the resource, or `null` if the resource wasn't found loadResource(String resource path; either a custom path or one of either `SQL_ERROR_CODE_DEFAULT_PATH` or `SQL_ERROR_CODE_OVERRIDE_PATH`. path) Load the given resource from the class path.
public SQLErrorCodes	Returns: the corresponding `SQLErrorCodes` object (never `null`) registerDatabase(DataSource the `DataSource` identifying the database dataSource, String the corresponding database name as stated in the error codes definition file (must not be `null`) databaseName) Associate the specified database name with the given `DataSource`.
public SQLErrorCodes	Returns: the corresponding `SQLErrorCodes` object, or `null` in case of a JDBC meta-data access problem resolveErrorCodes(DataSource the `DataSource` identifying the database dataSource) Return `SQLErrorCodes` for the given `DataSource`, evaluating "databaseProductName" from the `java.sql.DatabaseMetaData`, or `null` if case of a JDBC meta-data access problem.
public SQLErrorCodes	Returns: the corresponding `SQLErrorCodes` object that got removed, or `null` if not registered unregisterDatabase(DataSource the `DataSource` identifying the database dataSource) Clear the cache for the specified `DataSource`, if registered.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

dataSourceCache	back to summary
private final Map<DataSource, SQLErrorCodes> dataSourceCache Map to cache the SQLErrorCodes instance per DataSource.

errorCodesMap	back to summary
private final Map<String, SQLErrorCodes> errorCodesMap Map to hold error codes for all databases defined in the config file. Key is the database product name, value is the SQLErrorCodes instance.

instance	back to summary
private static SQLErrorCodesFactory instance Keep track of a single instance so we can return it to classes that request it. Lazily initialized in order to avoid making `SQLErrorCodesFactory` constructor reachable on native images when not needed. Annotations @Nullable

logger	back to summary
private static final Log logger

SQL_ERROR_CODE_DEFAULT_PATH	back to summary
public static final String SQL_ERROR_CODE_DEFAULT_PATH The name of default SQL error code files, loading from the class path.

SQL_ERROR_CODE_OVERRIDE_PATH	back to summary
public static final String SQL_ERROR_CODE_OVERRIDE_PATH The name of custom SQL error codes file, loading from the root of the class path (e.g. from the "/WEB-INF/classes" directory).

Constructor Detail

SQLErrorCodesFactory back to summary

SQLErrorCodesFactory	back to summary
protected SQLErrorCodesFactory() Create a new instance of the `SQLErrorCodesFactory` class. Not public to enforce Singleton design pattern. Would be private except to allow testing via overriding the `loadResource(String)` method. Do not subclass in application code. See Also `loadResource(String)`

protected SQLErrorCodesFactory()

Create a new instance of the SQLErrorCodesFactory class.

Not public to enforce Singleton design pattern. Would be private except to allow testing via overriding the loadResource(String) method.

Do not subclass in application code.

See Also: loadResource(String)

Method Detail

checkCustomTranslatorRegistry	back to summary
private void checkCustomTranslatorRegistry(String databaseName, SQLErrorCodes errorCodes) Check the `CustomSQLExceptionTranslatorRegistry` for any entries.

getErrorCodes back to summary

getErrorCodes	back to summary
public SQLErrorCodes getErrorCodes(String databaseName) Return the `SQLErrorCodes` instance for the given database. No need for a database meta-data lookup. Parameters databaseName:String the database name (must not be `null`) Returns:SQLErrorCodes the `SQLErrorCodes` instance for the given database (never `null`; potentially empty) Exceptions IllegalArgumentException: if the supplied database name is `null`

public SQLErrorCodes getErrorCodes(String databaseName)

Return the SQLErrorCodes instance for the given database.

No need for a database meta-data lookup.

Parameters

databaseName:String: the database name (must not be null)

Returns:SQLErrorCodes

the SQLErrorCodes instance for the given database (never null; potentially empty)

Exceptions

IllegalArgumentException:: if the supplied database name is null

getErrorCodes back to summary

getErrorCodes	back to summary
public SQLErrorCodes getErrorCodes(DataSource dataSource) Return `SQLErrorCodes` for the given `DataSource`, evaluating "databaseProductName" from the `java.sql.DatabaseMetaData`, or an empty error codes instance if no `SQLErrorCodes` were found. Parameters dataSource:DataSource the `DataSource` identifying the database Returns:SQLErrorCodes the corresponding `SQLErrorCodes` object (never `null`; potentially empty) See Also `java.sql.DatabaseMetaData#getDatabaseProductName()`

public SQLErrorCodes getErrorCodes(DataSource dataSource)

Return SQLErrorCodes for the given DataSource, evaluating "databaseProductName" from the java.sql.DatabaseMetaData, or an empty error codes instance if no SQLErrorCodes were found.

Parameters

dataSource:DataSource: the DataSource identifying the database

Returns:SQLErrorCodes

the corresponding SQLErrorCodes object (never null; potentially empty)

getInstance	back to summary
public static SQLErrorCodesFactory getInstance() Return the singleton instance.

identify back to summary

identify	back to summary
private String identify(DataSource dataSource) Build an identification String for the given `DataSource`, primarily for logging purposes. Parameters dataSource:DataSource the `DataSource` to introspect Returns:String the identification String

private String identify(DataSource dataSource)

Build an identification String for the given DataSource, primarily for logging purposes.

Parameters

dataSource:DataSource: the DataSource to introspect

Returns:String

the identification String

loadResource back to summary

loadResource	back to summary
protected Resource loadResource(String path) Load the given resource from the class path. Not to be overridden by application developers, who should obtain instances of this class from the static `getInstance()` method. Protected for testability. Parameters path:String resource path; either a custom path or one of either `SQL_ERROR_CODE_DEFAULT_PATH` or `SQL_ERROR_CODE_OVERRIDE_PATH`. Returns:Resource the resource, or `null` if the resource wasn't found Annotations @Nullable See Also `getInstance`

protected Resource loadResource(String path)

Load the given resource from the class path.

Not to be overridden by application developers, who should obtain instances of this class from the static getInstance() method.

Protected for testability.

Parameters

path:String: resource path; either a custom path or one of either SQL_ERROR_CODE_DEFAULT_PATH or SQL_ERROR_CODE_OVERRIDE_PATH.

Returns:Resource

the resource, or null if the resource wasn't found

Annotations

@Nullable

See Also

getInstance

registerDatabase back to summary

registerDatabase	back to summary
public SQLErrorCodes registerDatabase(DataSource dataSource, String databaseName) Associate the specified database name with the given `DataSource`. Parameters dataSource:DataSource the `DataSource` identifying the database databaseName:String the corresponding database name as stated in the error codes definition file (must not be `null`) Returns:SQLErrorCodes the corresponding `SQLErrorCodes` object (never `null`) See Also `unregisterDatabase(DataSource)`

public SQLErrorCodes registerDatabase(DataSource dataSource, String databaseName)

Associate the specified database name with the given DataSource.

Parameters

dataSource:DataSource: the DataSource identifying the database
databaseName:String: the corresponding database name as stated in the error codes definition file (must not be null)

Returns:SQLErrorCodes

the corresponding SQLErrorCodes object (never null)

See Also

unregisterDatabase(DataSource)

resolveErrorCodes back to summary

resolveErrorCodes	back to summary
public SQLErrorCodes resolveErrorCodes(DataSource dataSource) Return `SQLErrorCodes` for the given `DataSource`, evaluating "databaseProductName" from the `java.sql.DatabaseMetaData`, or `null` if case of a JDBC meta-data access problem. Parameters dataSource:DataSource the `DataSource` identifying the database Returns:SQLErrorCodes the corresponding `SQLErrorCodes` object, or `null` in case of a JDBC meta-data access problem Annotations @Nullable Since 5.2.9 See Also `java.sql.DatabaseMetaData#getDatabaseProductName()`

public SQLErrorCodes resolveErrorCodes(DataSource dataSource)

Return SQLErrorCodes for the given DataSource, evaluating "databaseProductName" from the java.sql.DatabaseMetaData, or null if case of a JDBC meta-data access problem.

Parameters

dataSource:DataSource: the DataSource identifying the database

Returns:SQLErrorCodes

the corresponding SQLErrorCodes object, or null in case of a JDBC meta-data access problem

Annotations

@Nullable

Since

5.2.9

unregisterDatabase back to summary

unregisterDatabase	back to summary
public SQLErrorCodes unregisterDatabase(DataSource dataSource) Clear the cache for the specified `DataSource`, if registered. Parameters dataSource:DataSource the `DataSource` identifying the database Returns:SQLErrorCodes the corresponding `SQLErrorCodes` object that got removed, or `null` if not registered Annotations @Nullable Since 4.3.5 See Also `registerDatabase(DataSource, String)`

public SQLErrorCodes unregisterDatabase(DataSource dataSource)

Clear the cache for the specified DataSource, if registered.

Parameters

dataSource:DataSource: the DataSource identifying the database

Returns:SQLErrorCodes

the corresponding SQLErrorCodes object that got removed, or null if not registered

Annotations

@Nullable

Since

4.3.5

See Also

registerDatabase(DataSource, String)

public Class SQLErrorCodesFactory

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Constructor Summary

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Field Detail

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