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// Portions Copyright [2016-2021] [Payara Foundation and/or its affiliates]
package com.sun.gjc.spi;
import com.sun.enterprise.util.Utility;
import com.sun.enterprise.util.i18n.StringManager;
import com.sun.gjc.common.DataSourceObjectBuilder;
import com.sun.gjc.util.SecurityUtils;
import com.sun.logging.LogDomains;
import java.security.AccessController;
import java.security.PrivilegedActionException;
import java.security.PrivilegedExceptionAction;
import jakarta.resource.ResourceException;
import jakarta.resource.spi.ConnectionRequestInfo;
import jakarta.resource.spi.ResourceAllocationException;
import jakarta.resource.spi.security.PasswordCredential;
import java.sql.SQLException;
import java.util.logging.Level;
import java.util.logging.Logger;
import jakarta.resource.spi.ConnectionDefinition;
/**
* Data Source ManagedConnectionFactory implementation for Generic JDBC Connector.
*
* @author Evani Sai Surya Kiran
* @version 1.0, 02/07/30
*/
@ConnectionDefinition(
connectionFactory = javax.sql.DataSource.class,
connectionFactoryImpl = com.sun.gjc.spi.base.AbstractDataSource.class,
connection = java.sql.Connection.class,
connectionImpl = com.sun.gjc.spi.base.ConnectionHolder.class
)
public class DSManagedConnectionFactory extends ManagedConnectionFactoryImpl {
private transient javax.sql.DataSource dataSourceObj;
private static Logger _logger;
static {
_logger = LogDomains.getLogger(DSManagedConnectionFactory.class, LogDomains.RSR_LOGGER);
}
/**
* Creates a new physical connection to the underlying EIS resource
* manager.
*
* @param subject Subject instance passed by the application server
* @param cxRequestInfo ConnectionRequestInfo which may be created
* as a result of the invocation getConnection(user, password)
* on the DataSource object
* @return ManagedConnection object created
* @throws ResourceException if there is an error in instantiating the
* DataSource object used for the
* creation of the ManagedConnection object
* @throws SecurityException if there ino PasswordCredential object
* satisfying this request
* @throws ResourceAllocationException if there is an error in allocating the
* physical connection
*/
@Override
public jakarta.resource.spi.ManagedConnection createManagedConnection(javax.security.auth.Subject subject,
ConnectionRequestInfo cxRequestInfo) throws ResourceException {
logFine("In createManagedConnection");
PasswordCredential pc = SecurityUtils.getPasswordCredential(this, subject, cxRequestInfo);
javax.sql.DataSource dataSource = getDataSource();
java.sql.Connection dsConn = null;
ManagedConnectionImpl mc = null;
ClassLoader appClassLoader = Utility.getClassLoader();
// do not propagate application class loader to the database driver
// may cause memory leaks in embedded databases
Utility.setContextClassLoader(null);
try {
/* For the case where the user/passwd of the connection pool is
* equal to the PasswordCredential for the connection request
* get a connection from this pool directly.
* for all other conditions go create a new connection
*/
String user = getUser();
if (user == null || isEqual(pc, user, getPassword())) {
dsConn = AccessController.doPrivileged((PrivilegedExceptionAction) dataSource::getConnection);
} else {
dsConn = AccessController.doPrivileged((PrivilegedExceptionAction) () ->
dataSource.getConnection(pc.getUserName(),
new String(pc.getPassword())));
}
} catch (PrivilegedActionException ex) {
java.sql.SQLException sqle = (SQLException)ex.getCause();
//_logger.log(Level.WARNING, "jdbc.exc_create_conn", sqle.getMessage());
if(_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE, "jdbc.exc_create_conn", sqle.getMessage());
}
StringManager localStrings =
StringManager.getManager(DataSourceObjectBuilder.class);
String msg = localStrings.getString("jdbc.cannot_allocate_connection"
, sqle.getMessage());
ResourceAllocationException rae = new ResourceAllocationException(msg);
rae.initCause(sqle);
throw rae;
} finally {
Utility.setContextClassLoader(appClassLoader);
}
try {
mc = constructManagedConnection(null, dsConn, pc, this);
//GJCINT
validateAndSetIsolation(mc);
} finally {
if (mc == null) {
if (dsConn != null) {
try {
dsConn.close();
} catch (SQLException e) {
_logger.log(Level.FINEST, "Exception while closing connection : " +
"createManagedConnection" + dsConn);
}
}
}
}
return mc;
}
/**
* Returns the underlying datasource
*
* @return DataSource of jdbc vendor
* @throws ResourceException
*/
@Override
public javax.sql.DataSource getDataSource() throws ResourceException {
if (dataSourceObj == null) {
try {
dataSourceObj = (javax.sql.DataSource) super.getDataSource();
} catch (ClassCastException cce) {
_logger.log(Level.SEVERE, "jdbc.exc_cce", cce);
throw new ResourceException(cce.getMessage());
}
}
return dataSourceObj;
}
/**
* Check if this ManagedConnectionFactory is equal to
* another ManagedConnectionFactory.
*
* @param other ManagedConnectionFactory object for checking equality with
* @return true if the property sets of both the
* ManagedConnectionFactory objects are the same
* false otherwise
*/
@Override
public boolean equals(Object other) {
logFine("In equals");
/**
* The check below means that two ManagedConnectionFactory objects are equal
* if and only if their properties are the same.
*/
if (other instanceof com.sun.gjc.spi.DSManagedConnectionFactory) {
com.sun.gjc.spi.DSManagedConnectionFactory otherMCF =
(com.sun.gjc.spi.DSManagedConnectionFactory) other;
return this.spec.equals(otherMCF.spec);
}
return false;
}
@Override
public int hashCode() {
return 31 * 7 + (spec.hashCode());
}
}
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