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package com.sun.gjc.spi;
import com.sun.gjc.common.DataSourceObjectBuilder;
import com.sun.gjc.common.DataSourceSpec;
import com.sun.gjc.util.SecurityUtils;
import com.sun.logging.LogDomains;
import javax.resource.ResourceException;
import javax.resource.spi.ConnectionRequestInfo;
import javax.resource.spi.security.PasswordCredential;
import java.sql.DriverManager;
import java.util.Hashtable;
import java.util.Iterator;
import java.util.Map;
import java.util.NoSuchElementException;
import java.util.Properties;
import java.util.Set;
import java.util.StringTokenizer;
import java.util.Vector;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.resource.spi.ConfigProperty;
import javax.resource.spi.ConnectionDefinition;
/**
* Driver Manager <code>ManagedConnectionFactory</code> implementation for Generic JDBC Connector.
*
* @author Evani Sai Surya Kiran
* @version 1.0, 02/07/31
*/
@ConnectionDefinition(
connectionFactory = javax.sql.DataSource.class,
connectionFactoryImpl = com.sun.gjc.spi.base.DataSource.class,
connection = java.sql.Connection.class,
connectionImpl = com.sun.gjc.spi.base.ConnectionHolder.class
)
public class DMManagedConnectionFactory extends ManagedConnectionFactory {
Properties props;
private static Logger _logger;
static {
_logger = LogDomains.getLogger(DMManagedConnectionFactory.class, LogDomains.RSR_LOGGER);
}
private boolean debug = _logger.isLoggable(Level.FINE);
/**
* Creates a new physical connection to the underlying EIS resource
* manager.
*
* @param subject <code>Subject</code> instance passed by the application server
* @param cxRequestInfo <code>ConnectionRequestInfo</code> which may be created
* as a result of the invocation <code>getConnection(user, password)</code>
* on the <code>DataSource</code> object
* @return <code>ManagedConnection</code> object created
* @throws ResourceException if there is an error in instantiating the
* <code>DataSource</code> object used for the
* creation of the <code>ManagedConnection</code> object
* @throws SecurityException if there ino <code>PasswordCredential</code> object
* satisfying this request
*/
public javax.resource.spi.ManagedConnection createManagedConnection(javax.security.auth.Subject subject,
ConnectionRequestInfo cxRequestInfo) throws ResourceException {
logFine("In createManagedConnection");
if (dsObjBuilder == null) {
dsObjBuilder = new DataSourceObjectBuilder(spec);
}
PasswordCredential pc = SecurityUtils.getPasswordCredential(this, subject, cxRequestInfo);
try {
Class.forName(spec.getDetail(DataSourceSpec.CLASSNAME));
} catch (ClassNotFoundException cnfe) {
_logger.log(Level.SEVERE, "jdbc.exc_cnfe", cnfe);
throw new ResourceException("The driver could not be loaded: " + spec.getDetail(DataSourceSpec.CLASSNAME));
}
java.sql.Connection dsConn = null;
Properties driverProps = new Properties();
//Will return a set of properties that would have setURL and <url> as objects
//Get a set of normal case properties
Hashtable properties = dsObjBuilder.parseDriverProperties(spec, false);
Set<Map.Entry<String,Vector>> entries =
(Set<Map.Entry<String, Vector>>) properties.entrySet();
for(Map.Entry<String, Vector> entry : entries) {
String value = null;
String key = (String) entry.getKey();
Vector values = (Vector) entry.getValue();
if(!values.isEmpty() && values.size() == 1) {
value = (String) values.firstElement();
} else if(values.size() > 1) {
logFine("More than one value for key : " + key);
}
String prop = getParsedKey(key);
driverProps.put(prop, value);
if(prop.equalsIgnoreCase("URL")) {
if(spec.getDetail(DataSourceSpec.URL) == null) {
setConnectionURL(value);
}
}
}
try {
if (cxRequestInfo != null) {
driverProps.setProperty("user", pc.getUserName());
driverProps.setProperty("password", new String(pc.getPassword()));
} else {
String user = spec.getDetail(DataSourceSpec.USERNAME);
String password = spec.getDetail(DataSourceSpec.PASSWORD);
if(user != null) {
driverProps.setProperty("user", user);
}
if(password != null) {
driverProps.setProperty("password", password);
}
}
dsConn = DriverManager.getConnection(spec.getDetail(DataSourceSpec.URL), driverProps);
} catch (java.sql.SQLException sqle) {
_logger.log(Level.SEVERE, "jdbc.exc_create_mc", sqle);
throw new javax.resource.spi.ResourceAllocationException("The connection could not be allocated: " +
sqle.getMessage());
}
com.sun.gjc.spi.ManagedConnection mc = constructManagedConnection(
null, dsConn, pc, this);
//GJCINT
validateAndSetIsolation(mc);
return mc;
}
/**
* Parses the key and removes the "set" string at the beginning of the
* property.
* @param key
* @return
*/
private String getParsedKey(String key) throws ResourceException {
String parsedKey = null;
int indexOfSet = -1;
try {
indexOfSet = key.indexOf("set");
} catch (NullPointerException npe) {
if (debug) {
_logger.log(Level.FINE, "jdbc.exc_caught_ign", npe.getMessage());
}
}
if (indexOfSet == 0) {
//Find the key String
try {
parsedKey = key.substring(indexOfSet + 3, key.length()).trim();
} catch (IndexOutOfBoundsException iobe) {
if (debug) {
_logger.log(Level.FINE, "jdbc.exc_caught_ign", iobe.getMessage());
}
}
if (parsedKey != null && parsedKey.equals("")) {
throw new ResourceException("Invalid driver properties string - " +
"Key cannot be an empty string");
}
}
return parsedKey;
}
/**
* This method checks if the properties object is null or not.
* If the properties object is null, it creates a new Properties
* object and inserts the default "user" and "password" key value
* pairs. It checks if any other properties have been set or not
* and includes the key value pairs for those properties.
*
* @return props <code>Properties</code> object conatining properties for getting a connection
* @throws ResourceException if the driver properties string and delimiter are not proper
*/
//TODO remove unused method
private Properties getPropertiesObj() throws ResourceException {
if (props != null) {
return props;
}
props = new Properties();
props.setProperty("user", getUser());
props.setProperty("password", getPassword());
String driverProps = spec.getDetail(DataSourceSpec.DRIVERPROPERTIES);
String delimiter = spec.getDetail(DataSourceSpec.DELIMITER);
if (driverProps != null && driverProps.trim().equals("") == false) {
if (delimiter == null || delimiter.equals("")) {
throw new ResourceException("Invalid driver properties string - " +
"delimiter not properly set!!");
}
StringTokenizer st = new StringTokenizer(driverProps, delimiter);
while (st.hasMoreTokens()) {
String keyValuePair = null;
try {
keyValuePair = st.nextToken();
} catch (NoSuchElementException nsee) {
throw new ResourceException("Invalid driver properties string - " +
"Key value pair not available: " + nsee.getMessage());
}
int indexOfEqualsSign = -1;
try {
indexOfEqualsSign = keyValuePair.indexOf("=");
if (indexOfEqualsSign == -1) {
throw new ResourceException("Invalid driver properties string - " +
"Key value pair should be of the form key = value");
}
} catch (NullPointerException npe) {
if (debug) {
_logger.log(Level.FINE, "jdbc.exc_caught_ign", npe.getMessage());
}
}
String key = null;
try {
key = keyValuePair.substring(0, indexOfEqualsSign).trim();
} catch (IndexOutOfBoundsException iobe) {
if (debug) {
_logger.log(Level.FINE, "jdbc.exc_caught_ign", iobe.getMessage());
}
}
if (key != null && key.equals("")) {
throw new ResourceException("Invalid driver properties string - " +
"Key cannot be an empty string");
}
String value = null;
try {
value = keyValuePair.substring(indexOfEqualsSign + 1).trim();
} catch (IndexOutOfBoundsException iobe) {
if (debug) {
_logger.log(Level.FINE, "jdbc.exc_caught_ign", iobe.getMessage());
}
}
props.setProperty(key, value);
}
}
return props;
}
/**
* Check if this <code>ManagedConnectionFactory</code> is equal to
* another <code>ManagedConnectionFactory</code>.
*
* @param other <code>ManagedConnectionFactory</code> object for checking equality with
* @return true if the property sets of both the
* <code>ManagedConnectionFactory</code> objects are the same
* false otherwise
*/
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.DMManagedConnectionFactory) {
com.sun.gjc.spi.DMManagedConnectionFactory otherMCF =
(com.sun.gjc.spi.DMManagedConnectionFactory) other;
return this.spec.equals(otherMCF.spec);
}
return false;
}
/**
* Sets the login timeout.
*
* @param loginTimeOut <code>String</code>
* @see <code>getLoginTimeOut</code>
*/
public void setLoginTimeOut(String loginTimeOut) {
int timeOut = 0;
try {
timeOut = Integer.valueOf(loginTimeOut);
DriverManager.setLoginTimeout(timeOut);
spec.setDetail(DataSourceSpec.LOGINTIMEOUT, loginTimeOut);
} catch (Exception e) {
if (debug) {
_logger.log(Level.FINE, "jdbc.exc_caught_ign", e.getMessage());
}
}
}
/**
* Sets the class name of the driver
*
* @param className <code>String</code>
*/
@ConfigProperty(type = String.class, defaultValue = "org.apache.derby.jdbc.ClientDriver")
@Override
public void setClassName(String className) {
spec.setDetail(DataSourceSpec.CLASSNAME, className);
}
public void setURL(String url) {
spec.setDetail(DataSourceSpec.URL, url);
}
public String getURL() {
return spec.getDetail(DataSourceSpec.URL);
}
/**
* Sets the connection url.
*
* @param url <code>String</code>
* @see <code>getConnectionURL</code>
*/
public void setConnectionURL(String url) {
spec.setDetail(DataSourceSpec.URL, url);
}
/**
* Gets the connection url.
*
* @return url
* @see <code>setConnectionURL</code>
*/
public String getConnectionURL() {
return spec.getDetail(DataSourceSpec.URL);
}
public Object getDataSource() throws ResourceException {
return null;
}
}