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package com.sun.enterprise.connectors.util;
import com.sun.enterprise.connectors.*;
import com.sun.enterprise.deployment.runtime.connector.*;
import com.sun.enterprise.deployment.*;
import com.sun.enterprise.config.serverbeans.ElementProperty;
import com.sun.enterprise.config.serverbeans.ServerTags;
import com.sun.enterprise.config.ConfigBean;
import com.sun.enterprise.connectors.util.ResourcesUtil;
import com.sun.enterprise.util.i18n.StringManager;
import com.sun.logging.*;
import java.util.logging.Logger;
import java.util.logging.Level;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import javax.security.auth.Subject;
import javax.resource.spi.security.PasswordCredential;
import java.security.AccessController;
import java.security.PrivilegedAction;
import javax.resource.spi.ManagedConnectionFactory;
import java.lang.reflect.Method;
import org.netbeans.modules.schema2beans.Common;
import com.sun.appserv.connectors.spi.TransactionSupport;
/**
* This is an util class for creating poolObjects of the type
* ConnectorConnectionPool from ConnectorDescriptor and also using the
* default values.
* @author Srikanth P
*/
public final class ConnectionPoolObjectsUtils {
private ConnectionPoolObjectsUtils() { /* disallow instantiation */ }
public static final String ELEMENT_PROPERTY = "ElementProperty";
private static final Logger _logger = LogDomains.getLogger( LogDomains.RSR_LOGGER );
private static final String VALIDATE_ATMOST_EVERY_IDLE_SECS =
"com.sun.enterprise.connectors.ValidateAtmostEveryIdleSecs";
private static final String validateAtmostEveryIdleSecsProperty = System.getProperty(VALIDATE_ATMOST_EVERY_IDLE_SECS);
private static final StringManager localStrings =
StringManager.getManager( ConnectionPoolObjectsUtils.class);
/**
* Creates default ConnectorConnectionPool consisting of default
* pool values.
* @param poolName Name of the pool
* @return ConnectorConnectionPool created ConnectorConnectionPool instance
*/
public static ConnectorConnectionPool createDefaultConnectorPoolObject(
String poolName, String rarName) {
ConnectorConnectionPool connectorPoolObj =
new ConnectorConnectionPool(poolName);
connectorPoolObj.setMaxPoolSize("20");
connectorPoolObj.setSteadyPoolSize("10");
connectorPoolObj.setMaxWaitTimeInMillis("7889");
connectorPoolObj.setIdleTimeoutInSeconds("789");
connectorPoolObj.setPoolResizeQuantity("2");
connectorPoolObj.setFailAllConnections(false);
connectorPoolObj.setMatchConnections(true); //always
setDefaultAdvancedPoolAttributes(connectorPoolObj);
try {
connectorPoolObj.setTransactionSupport(getTransactionSupportFromRaXml(rarName));
} catch (Exception ex) {
_logger.fine("error in setting txSupport");
}
return connectorPoolObj;
}
/**
* Sets default values for advanced pool properties<br>
* @param connectorPoolObj Connector Connection Pool
*/
private static void setDefaultAdvancedPoolAttributes(ConnectorConnectionPool connectorPoolObj) {
//Other advanced attributes like connection-leak-reclaim, lazy-connection-enlistment,
//lazy-connection-association, associate-with-thread are boolean values which are not required
//to be explicitly initialized to default values.
connectorPoolObj.setMaxConnectionUsage(ConnectorConnectionPool.DEFAULT_MAX_CONNECTION_USAGE);
connectorPoolObj.setConnectionLeakTracingTimeout(ConnectorConnectionPool.DEFAULT_LEAK_TIMEOUT);
connectorPoolObj.setConCreationRetryAttempts(ConnectorConnectionPool.DEFAULT_CON_CREATION_RETRY_ATTEMPTS);
connectorPoolObj.setConCreationRetryInterval(ConnectorConnectionPool.DEFAULT_CON_CREATION_RETRY_INTERVAL);
connectorPoolObj.setValidateAtmostOncePeriod(ConnectorConnectionPool.DEFAULT_VALIDATE_ATMOST_ONCE_PERIOD);
}
/**
* Creates ConnectorConnectionPool object pertaining to the pool props
* mentioned in the sun-ra/xml i.e it represents the pool mentioned in the
* sun-ra.xm.
*
* @param poolName Name of the pool
* @param desc ConnectorDescriptor which represent ra.xml and sun-ra.xml.
* @return ConnectorConnectionPool created ConnectorConnectionPool instance
*/
public static ConnectorConnectionPool createSunRaConnectorPoolObject(
String poolName, ConnectorDescriptor desc, String rarName) {
ConnectorConnectionPool connectorPoolObj =
new ConnectorConnectionPool(poolName);
SunConnector sundesc = desc.getSunDescriptor();
ResourceAdapter sunRAXML = sundesc.getResourceAdapter();
connectorPoolObj.setMaxPoolSize(
(String) sunRAXML.getValue(ResourceAdapter.MAX_POOL_SIZE));
connectorPoolObj.setSteadyPoolSize(
(String) sunRAXML.getValue(ResourceAdapter.STEADY_POOL_SIZE));
connectorPoolObj.setMaxWaitTimeInMillis((String) sunRAXML.getValue(
ResourceAdapter.MAX_WAIT_TIME_IN_MILLIS));
connectorPoolObj.setIdleTimeoutInSeconds((String) sunRAXML.getValue(
ResourceAdapter.IDLE_TIMEOUT_IN_SECONDS));
connectorPoolObj.setPoolResizeQuantity((String) "2");
connectorPoolObj.setFailAllConnections(false);
connectorPoolObj.setMatchConnections(true); //always
setDefaultAdvancedPoolAttributes(connectorPoolObj);
try {
connectorPoolObj.setTransactionSupport(getTransactionSupportFromRaXml(rarName));
} catch (Exception ex) {
_logger.fine("error in setting txSupport");
}
boolean validateAtmostEveryIdleSecs = false;
//For SunRAPool, get the value of system property VALIDATE_ATMOST_EVERY_IDLE_SECS.
if (validateAtmostEveryIdleSecsProperty != null && validateAtmostEveryIdleSecsProperty.equalsIgnoreCase("TRUE")) {
validateAtmostEveryIdleSecs = true;
_logger.log(Level.FINE, "CCP.ValidateAtmostEveryIdleSecs.Set", poolName);
}
connectorPoolObj.setValidateAtmostEveryIdleSecs(validateAtmostEveryIdleSecs);
return connectorPoolObj;
}
/**
* Return the integer representation of the transaction-support attribure
*
* @param txSupport one of <br>
* <ul>
* <li>NoTransaction</li>
* <li>LocalTransaction</li>
* <li>XATransaction</li>
* </ul>
* @return one of
* <ul>
* <li>ConnectorConstants.UNDEFINED_TRANSACTION_INT</li>
* <li>ConnectorConstants.NO_TRANSACTION_INT</li>
* <li>ConnectorConstants.LOCAL_TRANSACTION_INT</li>
* <li>ConnectorConstants.XA_TRANSACTION_INT</li>
* </ul>
*
*/
public static int parseTransactionSupportString( String txSupport ) {
int txSupportIntVal = ConnectorConstants.UNDEFINED_TRANSACTION_INT;
if ( txSupport == null ) {
if (_logger.isLoggable(Level.FINE)) {
_logger.fine("txSupport is null");
}
return txSupportIntVal;
}
if (_logger.isLoggable(Level.FINE) ) {
_logger.fine("parseTransactionSupportString: passed in " +
"txSupport =>" + txSupport);
}
if (ConnectorConstants.NO_TRANSACTION_TX_SUPPORT_STRING.equals(txSupport) ) {
txSupportIntVal = ConnectorConstants.NO_TRANSACTION_INT;
} else if (ConnectorConstants.LOCAL_TRANSACTION_TX_SUPPORT_STRING.equals(txSupport)) {
txSupportIntVal = ConnectorConstants.LOCAL_TRANSACTION_INT;
} else if (ConnectorConstants.XA_TRANSACTION_TX_SUPPORT_STRING.equals(txSupport)) {
txSupportIntVal = ConnectorConstants.XA_TRANSACTION_INT;
}
return txSupportIntVal;
}
/**
* A utility method to map TransactionSupport ints as represented
* in ConnectorConstants to the new TransactionSupport enum
*/
public static TransactionSupport getTransactionSupport(int ts) {
switch (ts) {
case ConnectorConstants.NO_TRANSACTION_INT:
return TransactionSupport.NO_TRANSACTION;
case ConnectorConstants.LOCAL_TRANSACTION_INT:
return TransactionSupport.LOCAL_TRANSACTION;
case ConnectorConstants.XA_TRANSACTION_INT:
return TransactionSupport.XA_TRANSACTION;
}
return null;
}
public static String getValueFromMCF(String prop, String poolName,
ManagedConnectionFactory mcf) {
String result = null;
try {
Method m = mcf.getClass().getMethod("get"+prop, (java.lang.Class[])null);
result = (String) m.invoke(mcf,(java.lang.Object[])null);
} catch (Throwable t) {
_logger.log(Level.FINE, t.getMessage(), t);
}
return result == null ? "" : result;
}
public static Subject createSubject(ManagedConnectionFactory mcf,
final ResourcePrincipal prin) {
final Subject tempSubject = new Subject();
if( prin != null) {
String password = prin.getPassword();
if (password != null) {
final PasswordCredential pc =
new PasswordCredential(prin.getName(),
password.toCharArray());
pc.setManagedConnectionFactory(mcf);
AccessController.doPrivileged(new PrivilegedAction() {
public Object run() {
tempSubject.getPrincipals().add(prin);
tempSubject.getPrivateCredentials().add(pc);
return null;
}
});
}
}
return tempSubject;
}
/**
* Validates and sets the values for LazyConnectionEnlistment and LazyConnectionAssociation.
* @param lazyAssocString Property value
* @param adminPool Config Bean
* @param conConnPool Connector Connection Pool
*/
public static void setLazyEnlistAndLazyAssocProperties(String lazyAssocString, ConfigBean adminPool, ConnectorConnectionPool conConnPool){
//Get LazyEnlistment value.
//To set LazyAssoc to true, LazyEnlist also need to be true.
//If LazyAssoc is true and LazyEnlist is not set, set it to true.
//If LazyAssoc is true and LazyEnlist is false, throw exception.
ElementProperty[] o = (ElementProperty[])adminPool.getValues(ELEMENT_PROPERTY);
if (o == null) return ;
ElementProperty lazyEnlistElement = null;
for (int i=0; i < o.length; i++) {
if(o[i].getAttributeValue(Common.convertName(ServerTags.NAME)).equalsIgnoreCase("LAZYCONNECTIONENLISTMENT")) {
lazyEnlistElement = o[i];
break;
}
}
boolean lazyAssoc = toBoolean( lazyAssocString, false );
if(lazyEnlistElement != null){
boolean lazyEnlist = toBoolean(lazyEnlistElement.getValue(),false);
if(lazyAssoc){
if(lazyEnlist){
conConnPool.setLazyConnectionAssoc( true) ;
conConnPool.setLazyConnectionEnlist( true);
}else{
_logger.log(Level.SEVERE,"conn_pool_obj_utils.lazy_enlist-lazy_assoc-invalid-combination",conConnPool.getName());
String i18nMsg = localStrings.getString(
"cpou.lazy_enlist-lazy_assoc-invalid-combination");
throw new RuntimeException(i18nMsg + conConnPool.getName());
}
}else{
conConnPool.setLazyConnectionAssoc(false);
}
}else{
if(lazyAssoc){
conConnPool.setLazyConnectionAssoc( true) ;
conConnPool.setLazyConnectionEnlist( true);
}else{
conConnPool.setLazyConnectionAssoc( false) ;
}
}
}
public static boolean toBoolean( Object prop, boolean defaultVal ) {
if ( prop == null ) {
return defaultVal;
}
return Boolean.valueOf(((String) prop).toLowerCase());
}
public static long toLong(String value){
long result = 0;
try{
result = Long.valueOf(value);
}catch(NumberFormatException nfe){
_logger.log(Level.WARNING, "conversion of [ "+value+" ] to long failed", nfe);
}
return result;
}
public static boolean isPoolSystemPool(com.sun.enterprise.config.serverbeans.ConnectorConnectionPool
domainCcp){
String poolName = domainCcp.getName();
return isPoolSystemPool(poolName);
}
public static boolean isPoolSystemPool(String poolName){
Pattern pattern = Pattern.compile("#");
Matcher matcher = pattern.matcher(poolName);
// If the pool name does not contain #, return false
if (!matcher.find()){
return false;
}
matcher.reset();
String moduleNameFromPoolName = null;
int matchCount=0;
while (matcher.find()){
matchCount++;
int patternStart = matcher.start();
moduleNameFromPoolName = poolName.substring(0,patternStart);
}
// If pool name contains more than 2 #, return false as the
// default system pool will have exacly one # for a standalone rar
// and exactly two #s for an embedded rar
ResourcesUtil resUtil = ResourcesUtil.createInstance();
switch (matchCount){
case 1:
if (resUtil.belongToStandAloneRar(moduleNameFromPoolName))
return true;
case 2:
if (resUtil.belongToEmbeddedRar(moduleNameFromPoolName))
return true;
default:
return false;
}
}
public static int getTransactionSupportFromRaXml( String rarName ) throws
ConnectorRuntimeException
{
String txSupport =
ConnectorRuntime.getRuntime().getConnectorDescriptor( rarName ).
getOutboundResourceAdapter().getTransSupport() ;
return parseTransactionSupportString( txSupport );
}
}