Compare.java Source code

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Here is the source code for Compare.java

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/*
 * Copyright (c) 1995 - 2008 Sun Microsystems, Inc.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   - Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   - Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *
 *   - Neither the name of Sun Microsystems nor the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

import java.util.Hashtable;

import javax.naming.Context;
import javax.naming.NamingEnumeration;
import javax.naming.NamingException;
import javax.naming.directory.DirContext;
import javax.naming.directory.InitialDirContext;
import javax.naming.directory.SearchControls;

/**
 * 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();
        }
    }
}