Hi,I don't think so but I do it with a BMP.
Can i store/retrive data in LDAP(openLDAP) using CMP entity bean? as can be done with the databases like DB2, oracle etc.
If yes, can any one please provide a sample example.
Thanks
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/**
* This is an LDAP backed user bean
*
* @ejb.bean
* name="UserEJB"
* type="BMP"
* view-type="local"
* primkey-field="username"
* local-jndi-name="local/UserEJB"
*
* @ejb.interface
* local-extends="javax.ejb.EJBLocalObject, au.com.ucw.cop.bi.User"
*
* @ejb.pk class="java.lang.String"
*
* @ejb.transaction-type
* type="Container"
*
* @jboss.read-only
* read-only="true"
*
* @ejb.transaction
* type="NotSupported"
*
* @ejb.value-object name="UserEJB" match="*"
*/
public abstract class UserBean implements User, EntityBean
{
/**
* This is the username used to record actions taken by the system.
*/
public static final String SYSTEM_USERNAME = "system";private EntityContext context; private DirContext ldapContext; private SearchControls constraints;
private String INITCTX = "com.sun.jndi.ldap.LdapCtxFactory"; private String MY_HOST = "ldap://192.168.1.6/";; private String MY_SEARCHBASE = ",ou=People,dc=ucw,dc=com,dc=au"; private String MY_FILTER = "(objectclass=person)";
protected String username; protected String name; protected String phoneNumber; protected String email;
/**
* Generated bulk accessor.
*
* @ejb.interface-method
*/
public abstract UserEJBData getUserEJBData(); /**
* Generated bulk accessor.
*/
public abstract void setUserEJBData(UserEJBData data); /**
* @ejb.persistent-field
* @ejb.interface-method
*/
public String getUsername()
{
return username;
} /**
* @ejb.persistent-field
* @ejb.interface-method
*/
public String getName()
{
return name;
} /**
* @ejb.home-method
*/
public UserEJBLocal ejbHomeGetCurrentUser()
{
try {
return
UserEJBUtil.getLocalHome().findByPrimaryKey(context.getCallerPrincipal().getName());
} catch (Exception e) {
Debug.fatal("UserBean.getCurrentUser", e);
throw new EJBException("FATAL ERROR at
UserBean.getCurrentUser", e);
}
} public void setPhoneNumber(String phoneNumber)
{
this.phoneNumber = phoneNumber;
} public void setName(String name)
{
this.name = name;
} public void setUsername(String username)
{
this.username = username;
} /**
* @ejb.persistent-field
* @ejb.interface-method
*/
public String getPhoneNumber()
{
return phoneNumber;
} /**
* @ejb.persistent-field
* @ejb.interface-method
*/
public String getEmail()
{
return email;
} public void setEmail(String email)
{
this.email = email;
} public String ejbFindByPrimaryKey(String theUserName) throws
FinderException
{
//Debug.debug("UserBean.ejbFindByPrimaryKey");
boolean result;
try {
result = selectByPrimaryKey(theUserName);
} catch (Exception ex) {
throw new EJBException("ejbFindByPrimaryKey: " +
ex.getMessage());
}
if (result) {
return theUserName;
} else {
throw new ObjectNotFoundException("Row for number " +
theUserName + " not found.");
}}
public void setEntityContext(EntityContext context)
{
this.context = context;
try {
Hashtable env = new Hashtable();
env.put(Context.INITIAL_CONTEXT_FACTORY, INITCTX);
env.put(Context.PROVIDER_URL, MY_HOST);
ldapContext = new InitialDirContext(env);
constraints = new SearchControls();
constraints.setSearchScope(SearchControls.SUBTREE_SCOPE);
} catch (NamingException e) {
throw new EJBException("Error initializaing ldap context", e);
}
} public void unsetEntityContext()
{
ldapContext = null;
constraints = null;
} public void ejbActivate()
{
username = (String)context.getPrimaryKey();
} public void ejbPassivate()
{
username = null;
} public void ejbLoad()
{
try {
loadRow();
} catch (Exception ex) {
throw new EJBException("ejbLoad: " + ex.getMessage());
}
} /*********************** Database Routines *************************/
private boolean selectByPrimaryKey(String theUserName) throws
SQLException
{
//System.out.println("theUserName = " + theUserName);
try {
NamingEnumeration results = ldapContext.search("uid=" +
theUserName + MY_SEARCHBASE, MY_FILTER, constraints); return (results != null && results.hasMore());
} catch (NamingException e) {
Debug.fatal("UserBean.selectByPrimaryKey", e);
throw new EJBException("FATAL ERROR at
UserBean.selectByPrimaryKey", e);
}
} private void loadRow() throws SQLException
{ try {
NamingEnumeration searchResults = ldapContext.search("uid="
+ username + MY_SEARCHBASE, MY_FILTER, constraints); if (searchResults.hasMore()) {
SearchResult searchResult =
(SearchResult)searchResults.next();
Attributes attributes = searchResult.getAttributes();
this.name = (String)attributes.get("cn").get();
this.email = (String)attributes.get("mail").get();
// phone numbers aren't generated by the passwd
migration script
// so we need to null check here
Attribute attribute = attributes.get("telephoneNumber");
if (attribute != null) {
this.phoneNumber = (String)attribute.get();
}
} else {
throw new NoSuchEntityException("Entry for user name " +
username + " not found in ldap database.");
}
} catch (NamingException e) {
Debug.fatal("UserBean.loadRow", e);
throw new EJBException("FATAL ERROR at UserBean.loadRow", e);
}
}
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