Demonstrates how to do the equivalent of an LDAP "compare". - Java JNDI

Java examples for JNDI:LDAP

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Description

Demonstrates how to do the equivalent of an LDAP "compare".

Demo Code

import javax.naming.*;
import javax.naming.directory.*;
import java.util.Hashtable;

/**//  ww  w .jav a2 s .c  o  m
 * Demonstrates how to do the equivalent of an LDAP "compare".
 *
 * usage: java Compare
 */
class Compare {
    public static void main(String[] args) {

        // Set up environment for creating initial context
        Hashtable<String, Object> env = new Hashtable<String, Object>(11);
        env.put(Context.INITIAL_CONTEXT_FACTORY,
                "com.sun.jndi.ldap.LdapCtxFactory");
        env.put(Context.PROVIDER_URL, "ldap://localhost:389/o=JNDITutorial");

        try {
            // Create initial context
            DirContext ctx = new InitialDirContext(env);

            // Value of attribute
            byte[] key = { (byte) 0x61, (byte) 0x62, (byte) 0x63,
                    (byte) 0x64, (byte) 0x65, (byte) 0x66, (byte) 0x67 };

            // Set up search controls
            SearchControls ctls = new SearchControls();
            ctls.setReturningAttributes(new String[0]); // return no attrs
            ctls.setSearchScope(SearchControls.OBJECT_SCOPE); // search object only

            // Invoke search method that will use the LDAP "compare" operation
            NamingEnumeration answer = ctx.search(
                    "cn=S. User, ou=NewHires", "(mySpecialKey={0})",
                    new Object[] { key }, ctls);

            // Print the answer
//            FilterArgs.printSearchEnumeration(answer);

            // Close the context when we're done
            ctx.close();
        } catch (NamingException e) {
            e.printStackTrace();
        }
    }
}

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