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package com.sun.gjc.spi.jdbc40;
import com.sun.gjc.spi.JdbcObjectsFactory;
import com.sun.gjc.spi.base.ConnectionHolder;
import com.sun.logging.LogDomains;
import java.sql.Connection;
import java.lang.reflect.Method;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Modifier;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* Factory to create jdbc40 connection & datasource
*/
public class Jdbc40ObjectsFactory extends JdbcObjectsFactory {
//indicates whether JDBC 3.0 Connection (and hence JDBC 3.0 DataSource) is used
private boolean jdbc30Connection;
//indicates whether detection of JDBC 3.0 Datasource in JDK 1.6 is done or not
private boolean initJDBC30Connection;
protected final static Logger _logger;
static {
_logger = LogDomains.getLogger(LogDomains.RSR_LOGGER);
}
/**
* To get an instance of ConnectionHolder40.<br>
* Will return a ConnectionHolder40 with or without wrapper<br>
*
* @param conObject Connection
* @param mcObject ManagedConnection
* @param criObject Connection Request Info
* @param statementWrapping Whether to wrap statement objects or not.
* @return ConnectionHolder
*/
public ConnectionHolder getConnection(Connection conObject,
com.sun.gjc.spi.ManagedConnection mcObject,
javax.resource.spi.ConnectionRequestInfo criObject,
boolean statementWrapping) {
ConnectionHolder connection = null;
if (!initJDBC30Connection) {
detectJDBC30Connection(conObject, mcObject);
}
if (statementWrapping) {
connection = new ConnectionWrapper40(conObject, mcObject, criObject, jdbc30Connection);
} else {
connection = new ConnectionHolder40(conObject, mcObject, criObject, jdbc30Connection);
}
return connection;
}
/**
* Returns a DataSource instance for JDBC 4.0
*
* @param mcfObject Managed Connection Factory
* @param cmObject Connection Manager
* @return DataSource
*/
public javax.sql.DataSource getDataSourceInstance(com.sun.gjc.spi.ManagedConnectionFactory mcfObject,
javax.resource.spi.ConnectionManager cmObject) {
return new DataSource40(mcfObject, cmObject);
}
public boolean isJdbc30Connection() {
return jdbc30Connection;
}
public void setJdbc30Connection(boolean jdbc30Connection) {
this.jdbc30Connection = jdbc30Connection;
}
public boolean isJDBC30ConnectionDetected() {
return initJDBC30Connection;
}
public void detectJDBC30Connection(Connection con, com.sun.gjc.spi.ManagedConnection mcObject) {
String dataSourceProperty = mcObject.getManagedConnectionFactory().getJdbc30DataSource();
if (dataSourceProperty != null) {
setJdbc30Connection(Boolean.valueOf(dataSourceProperty));
initJDBC30Connection = true;
} else {
try {
Class paramClasses[] = new Class[]{Class.class};
Method isWrapperMethod = con.getClass().getMethod("isWrapperFor", paramClasses);
int modifiers = isWrapperMethod.getModifiers();
setJdbc30Connection(Modifier.isAbstract(modifiers));
} catch (NoSuchMethodException e) {
setJdbc30Connection(true);
} catch (AbstractMethodError e) {
setJdbc30Connection(true);
} catch (Throwable t) {
setJdbc30Connection(true);
_logger.log(Level.WARNING, "jdbc.unexpected_exception_on_detecting_jdbc_version", t);
} finally {
initJDBC30Connection = true;
}
}
}
}