// $Id: JDBCExceptionHelper.java 9557 2006-03-06 15:16:27Z [email protected] $
package org.hibernate.exception;
import org.hibernate.JDBCException;
import org.hibernate.util.JDBCExceptionReporter;
import java.sql.SQLException;
/**
* Implementation of JDBCExceptionHelper.
*
* @author Steve Ebersole
*/
public final class JDBCExceptionHelper {
private JDBCExceptionHelper() {
}
/**
* Converts the given SQLException into Hibernate's JDBCException hierarchy, as well as performing
* appropriate logging.
*
* @param converter The converter to use.
* @param sqlException The exception to convert.
* @param message An optional error message.
* @return The converted JDBCException.
*/
public static JDBCException convert(SQLExceptionConverter converter, SQLException sqlException, String message) {
return convert( converter, sqlException, message, "???" );
}
/**
* Converts the given SQLException into Hibernate's JDBCException hierarchy, as well as performing
* appropriate logging.
*
* @param converter The converter to use.
* @param sqlException The exception to convert.
* @param message An optional error message.
* @return The converted JDBCException.
*/
public static JDBCException convert(SQLExceptionConverter converter, SQLException sqlException, String message, String sql) {
JDBCExceptionReporter.logExceptions( sqlException, message + " [" + sql + "]" );
return converter.convert( sqlException, message, sql );
}
/**
* For the given SQLException, locates the vendor-specific error code.
*
* @param sqlException The exception from which to extract the SQLState
* @return The error code.
*/
public static int extractErrorCode(SQLException sqlException) {
int errorCode = sqlException.getErrorCode();
SQLException nested = sqlException.getNextException();
while ( errorCode == 0 && nested != null ) {
errorCode = nested.getErrorCode();
nested = nested.getNextException();
}
return errorCode;
}
/**
* For the given SQLException, locates the X/Open-compliant SQLState.
*
* @param sqlException The exception from which to extract the SQLState
* @return The SQLState code, or null.
*/
public static String extractSqlState(SQLException sqlException) {
String sqlState = sqlException.getSQLState();
SQLException nested = sqlException.getNextException();
while ( sqlState == null && nested != null ) {
sqlState = nested.getSQLState();
nested = nested.getNextException();
}
return sqlState;
}
/**
* For the given SQLException, locates the X/Open-compliant SQLState's class code.
*
* @param sqlException The exception from which to extract the SQLState class code
* @return The SQLState class code, or null.
*/
public static String extractSqlStateClassCode(SQLException sqlException) {
return determineSqlStateClassCode( extractSqlState( sqlException ) );
}
public static String determineSqlStateClassCode(String sqlState) {
if ( sqlState == null || sqlState.length() < 2 ) {
return sqlState;
}
return sqlState.substring( 0, 2 );
}
}
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