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package com.sun.enterprise.naming.impl;
import com.sun.corba.ee.spi.folb.GroupInfoService;
import com.sun.logging.LogDomains;
import java.util.ArrayList;
import org.glassfish.api.naming.NamingObjectsProvider;
import org.jvnet.hk2.component.Habitat;
import javax.naming.Context;
import javax.naming.NamingException;
import javax.naming.spi.InitialContextFactory;
import javax.naming.spi.NamingManager;
import java.util.Hashtable;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.glassfish.internal.api.Globals;
import org.glassfish.internal.api.ORBLocator;
import org.omg.CORBA.ORB;
import org.omg.CORBA.ORBPackage.InvalidName;
public class SerialInitContextFactory implements InitialContextFactory {
public static final String LOAD_BALANCING_PROPERTY =
"com.sun.appserv.iiop.loadbalancingpolicy";
public static final String IIOP_ENDPOINTS_PROPERTY =
"com.sun.appserv.iiop.endpoints";
public static final String IIOP_URL_PROPERTY =
"com.sun.appserv.ee.iiop.endpointslist";
public static final String IC_BASED_WEIGHTED = "ic-based-weighted";
public static final String IC_BASED = "ic-based";
public static final String IIOP_URL = "iiop:1.2@";
public static final String CORBALOC = "corbaloc:";
private static volatile boolean initialized = false ;
private static volatile RoundRobinPolicy rrPolicy ;
private static volatile GroupInfoServiceObserverImpl giso ;
protected static final Logger _logger = LogDomains.getLogger(
SerialInitContextFactory.class, LogDomains.JNDI_LOGGER );
private static void doLog( Level level, String fmt, Object... args ) {
if (_logger.isLoggable(level)) {
_logger.log( level, fmt, args ) ;
}
}
private static void fineLog( String fmt, Object... args ) {
doLog( Level.FINE, fmt, args ) ;
}
private static String defaultHost = null ;
private static String defaultPort = null ;
private static Habitat defaultHabitat = null ;
static void setDefaultHost(String host) {
defaultHost = host;
}
static void setDefaultPort(String port) {
defaultPort = port;
}
static void setDefaultHabitat(Habitat h) {
defaultHabitat = h;
}
static Habitat getDefaultHabitat() {
return defaultHabitat;
}
private boolean useLB ;
private final Habitat habitat ;
private boolean propertyIsSet( Hashtable env, String pname ) {
String value = getEnvSysProperty( env, pname ) ;
return value != null && !value.isEmpty() ;
}
private List<String> splitOnComma( String arg ) {
final List<String> result = new ArrayList<String>() ;
if (arg != null) {
final String[] splits = arg.split( "," ) ;
if (splits != null) {
for (String str : splits) {
result.add( str.trim() ) ;
}
}
}
return result ;
}
private String getEnvSysProperty( Hashtable env, String pname ) {
String value = (String)env.get( pname ) ;
if (value == null) {
value = System.getProperty( pname ) ;
}
return value ;
}
private List<String> getEndpointList( Hashtable env ) {
final List<String> list = new ArrayList<String>() ;
final String lbpv = getEnvSysProperty( env, LOAD_BALANCING_PROPERTY);
final List<String> lbList = splitOnComma(lbpv) ;
if (lbList.size() > 0) {
final String first = lbList.remove( 0 ) ;
if (first.equals(IC_BASED) || first.equals(IC_BASED_WEIGHTED)) {
// XXX concurrency issue here: possible race on global
System.setProperty(LOAD_BALANCING_PROPERTY, first );
}
}
list.addAll( lbList ) ;
if (list.isEmpty()) {
final String iepv = getEnvSysProperty( env, IIOP_ENDPOINTS_PROPERTY);
final List<String> epList = splitOnComma(iepv) ;
list.addAll( epList ) ;
}
if (list.isEmpty()) {
final String urlValue = (String)env.get(
ORBLocator.JNDI_PROVIDER_URL_PROPERTY) ;
list.addAll( rrPolicy.getEndpointForProviderURL( urlValue ) ) ;
}
if (list.isEmpty()) {
String host = getEnvSysProperty( env,
ORBLocator.OMG_ORB_INIT_HOST_PROPERTY) ;
String port = getEnvSysProperty( env,
ORBLocator.OMG_ORB_INIT_PORT_PROPERTY) ;
if (host != null && port != null) {
list.addAll(
rrPolicy.getAddressPortList(host, port) ) ;
_logger.log(Level.WARNING, "no.endpoints.selected",
new Object[] {host, port});
}
}
if (list.isEmpty()) {
if (defaultHost != null && defaultPort != null) {
list.add( defaultHost + ":" + defaultPort ) ;
}
}
if (list.isEmpty()) {
_logger.log(Level.SEVERE, "no.endpoints");
throw new RuntimeException("Cannot Proceed. No Endpoints specified.");
}
return list ;
}
private String getCorbalocURL( final List<String> list) {
final StringBuilder sb = new StringBuilder() ;
boolean first = true ;
for (String str : list) {
if (first) {
first = false ;
sb.append( CORBALOC ) ;
} else {
sb.append( ',' ) ;
}
sb.append( IIOP_URL ) ;
sb.append( str.trim() ) ;
}
// fineLog( "corbaloc url ==> {0}", sb.toString() );
return sb.toString() ;
}
public SerialInitContextFactory() {
// Issue 14396
Habitat temp = defaultHabitat ;
if (temp == null) {
temp = Globals.getDefaultHabitat() ;
}
if (temp == null) {
// May need to initialize hk2 component model in standalone client
temp = Globals.getStaticHabitat() ;
}
habitat = temp ;
}
private ORB getORB() {
if (habitat != null) {
ORBLocator orbLocator = habitat.getByContract(ORBLocator.class) ;
if (orbLocator != null) {
return orbLocator.getORB() ;
}
}
throw new RuntimeException( "Could not get ORB" ) ;
}
/**
* Create the InitialContext object.
*/
@Override
@SuppressWarnings("unchecked")
public Context getInitialContext(Hashtable env) throws NamingException {
final Hashtable myEnv = env == null ? new Hashtable() : env ;
boolean membershipChangeForced = false ;
fineLog( "getInitialContext: env={0}", env ) ;
useLB = propertyIsSet(myEnv, IIOP_ENDPOINTS_PROPERTY)
|| propertyIsSet(myEnv, LOAD_BALANCING_PROPERTY) ;
if (useLB && !initialized) {
synchronized( SerialInitContextFactory.class ) {
if (!initialized) {
// Always create one rrPolicy to be shared, if needed.
final List<String> epList = getEndpointList( myEnv ) ;
rrPolicy = new RoundRobinPolicy(epList);
GroupInfoService gis = null ;
try {
gis = (GroupInfoService) (getORB().resolve_initial_references(
ORBLocator.FOLB_CLIENT_GROUP_INFO_SERVICE));
} catch (InvalidName ex) {
doLog(Level.SEVERE,
"Exception in SerialInitContextFactory constructor {0}",
ex);
}
giso = new GroupInfoServiceObserverImpl( gis, rrPolicy );
gis.addObserver(giso);
// fineLog( "getInitialContext: rrPolicy = {0}", rrPolicy );
// this should force the initialization of the resources providers
if (habitat!=null) {
for (NamingObjectsProvider provider :
habitat.getAllByContract(NamingObjectsProvider.class)) {
// no-op
}
}
// Get the actual content, not just the configured
// endpoints.
giso.forceMembershipChange();
membershipChangeForced = true ;
initialized = true ;
fineLog( "getInitialContext(initial): rrPolicy = {0}",
rrPolicy );
}
}
}
if (useLB || initialized) {
// If myEnv already contains the IIOP_URL, don't get a new one:
// this getInitialContext call came from an internal
// new InitialContext call.
if (!myEnv.containsKey(IIOP_URL_PROPERTY)) {
Context ctx = SerialContext.getStickyContext() ;
if (ctx != null) {
return ctx ;
}
// If the IIOP endpoint list is explicitly set in the env,
// update rrPolicy to use that information, otherwise just
// rotate rrPolicy to the next element.
if (myEnv.containsKey( IIOP_ENDPOINTS_PROPERTY ) ||
myEnv.containsKey( LOAD_BALANCING_PROPERTY )) {
synchronized( SerialInitContextFactory.class ) {
final List<String> list = getEndpointList( myEnv ) ;
rrPolicy.setClusterInstanceInfoFromString(list);
if (!membershipChangeForced) {
giso.forceMembershipChange() ;
}
}
}
List<String> rrList = rrPolicy.getNextRotation();
fineLog( "getInitialContext: rrPolicy = {0}", rrPolicy );
String corbalocURL = getCorbalocURL(rrList);
myEnv.put(IIOP_URL_PROPERTY, corbalocURL);
}
myEnv.put(ORBLocator.JNDI_CORBA_ORB_PROPERTY, getORB());
} else {
if (defaultHost != null) {
myEnv.put( ORBLocator.OMG_ORB_INIT_HOST_PROPERTY, defaultHost ) ;
}
if (defaultPort != null) {
myEnv.put( ORBLocator.OMG_ORB_INIT_PORT_PROPERTY, defaultPort ) ;
}
}
return createInitialContext(myEnv);
}
private Context createInitialContext(Hashtable env) throws NamingException
{
SerialContext serialContext = new SerialContext(env, habitat);
if (NamingManager.hasInitialContextFactoryBuilder()) {
// When builder is used, JNDI does not go through
// URL Context discovery anymore. To address that
// we install a wrapper that first goes through
// URL context discovery and then falls back to
// serialContext.
return new WrappedSerialContext(env, serialContext);
} else {
return serialContext ;
}
}
}