EjbFactorypublic class EjbFactory extends Object implements ObjectFactory
Methods Summary |
---|
public java.lang.Object | getObjectInstance(java.lang.Object obj, javax.naming.Name name, javax.naming.Context nameCtx, java.util.Hashtable environment)Crete a new EJB instance.
if (obj instanceof EjbRef) {
Reference ref = (Reference) obj;
// If ejb-link has been specified, resolving the link using JNDI
RefAddr linkRefAddr = ref.get(EjbRef.LINK);
if (linkRefAddr != null) {
// Retrieving the EJB link
String ejbLink = linkRefAddr.getContent().toString();
Object beanObj = (new InitialContext()).lookup(ejbLink);
// Load home interface and checking if bean correctly
// implements specified home interface
/*
String homeClassName = ref.getClassName();
try {
Class home = Class.forName(homeClassName);
if (home.isInstance(beanObj)) {
System.out.println("Bean of type "
+ beanObj.getClass().getName()
+ " implements home interface "
+ home.getName());
} else {
System.out.println("Bean of type "
+ beanObj.getClass().getName()
+ " doesn't implement home interface "
+ home.getName());
throw new NamingException
("Bean of type " + beanObj.getClass().getName()
+ " doesn't implement home interface "
+ home.getName());
}
} catch (ClassNotFoundException e) {
System.out.println("Couldn't load home interface "
+ homeClassName);
}
*/
return beanObj;
}
ObjectFactory factory = null;
RefAddr factoryRefAddr = ref.get(Constants.FACTORY);
if (factoryRefAddr != null) {
// Using the specified factory
String factoryClassName =
factoryRefAddr.getContent().toString();
// Loading factory
ClassLoader tcl =
Thread.currentThread().getContextClassLoader();
Class factoryClass = null;
if (tcl != null) {
try {
factoryClass = tcl.loadClass(factoryClassName);
} catch(ClassNotFoundException e) {
NamingException ex = new NamingException
("Could not load resource factory class");
ex.initCause(e);
throw ex;
}
} else {
try {
factoryClass = Class.forName(factoryClassName);
} catch(ClassNotFoundException e) {
NamingException ex = new NamingException
("Could not load resource factory class");
ex.initCause(e);
throw ex;
}
}
if (factoryClass != null) {
try {
factory = (ObjectFactory) factoryClass.newInstance();
} catch(Throwable t) {
NamingException ex = new NamingException
("Could not load resource factory class");
ex.initCause(t);
throw ex;
}
}
} else {
String javaxEjbFactoryClassName =
System.getProperty("javax.ejb.Factory",
Constants.OPENEJB_EJB_FACTORY);
try {
factory = (ObjectFactory)
Class.forName(javaxEjbFactoryClassName).newInstance();
} catch(Throwable t) {
if (t instanceof NamingException)
throw (NamingException) t;
NamingException ex = new NamingException
("Could not create resource factory instance");
ex.initCause(t);
throw ex;
}
}
if (factory != null) {
return factory.getObjectInstance
(obj, name, nameCtx, environment);
} else {
throw new NamingException
("Cannot create resource instance");
}
}
return null;
|
|