GlassFish + JNDI + LDAP + JAVA

STEP 1: Create JNDI LDAP Resource

In the GlassFish admin console create a JNDI Custom Resource with the following parameters:

1. Give it a JNDI name such as myLDAP
2. Resource Type: javax.naming.directory.Directory
3. Factory Class: com.sun.jndi.ldap.LdapCtxFactory

Add the following as additional parameters:

1. Name: java.naming.security.principal Value: the reader dn

2. Name:java.naming.security.credentials Value: the password

3. Name: URL Value: ldap://servername/baseDN

STEP 2: JAVA code to access the LDAP

Use code similar to the following to access the LDAP:

try {
Context initCtx = new InitialContext();
DirContext ctx = (DirContext) initCtx.lookup("myLDAP");

SearchControls ctls = new SearchControls();
ctls.setSearchScope(SearchControls.SUBTREE_SCOPE);

String searchfilter = "(mail="+ email +")";
NamingEnumeration answer = ctx.search("", searchfilter, ctls);

if(answer.hasMore()){
SearchResult entry = (SearchResult) answer.next();
Attributes attrs = entry.getAttributes();
......

} else {
success = false;
}
} catch (NamingException e) {
e.printStackTrace();
}