Create an initial context to an LDAP server using a custom socket factory - Java JNDI

Java examples for JNDI:LDAP

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Description

Create an initial context to an LDAP server using a custom socket factory

Demo Code

import javax.naming.*;
import javax.naming.directory.*;

import java.util.Hashtable;
import java.io.IOException;
import java.net.InetAddress;
import java.net.Socket;
import java.net.UnknownHostException;
import javax.net.SocketFactory;

/*//from   w ww  . j  ava 2 s  .co m
 * A custom socket factory used to override the default socket factory.
 * It prints out debugging information before using default Socket creation
 * methods. This class is required for the UseFactory example.
 */
class CustomSocketFactory extends SocketFactory {

    public CustomSocketFactory() {
        System.out.println("[creating a custom socket factory]");
    }

    public static SocketFactory getDefault() {

        System.out.println("[acquiring the default socket factory]");
        return new CustomSocketFactory();
    }

    public Socket createSocket(String host, int port) throws IOException,
            UnknownHostException {

        System.out.println("[creating a custom socket (method 1)]");
        return new Socket(host, port);
    }

    public Socket createSocket(String host, int port,
            InetAddress localHost, int localPort) throws IOException,
            UnknownHostException {

        System.out.println("[creating a custom socket (method 2)]");
        return new Socket(host, port, localHost, localPort);
    }

    public Socket createSocket(InetAddress host, int port)
            throws IOException {

        System.out.println("[creating a custom socket (method 3)]");
        return new Socket(host, port);
    }

    public Socket createSocket(InetAddress address, int port,
            InetAddress localAddress, int localPort) throws IOException {

        System.out.println("[creating a custom socket (method 4)]");
        return new Socket(address, port, localAddress, localPort);
    }
}
/**
 * Demonstrates how to create an initial context to an LDAP server
 * using a custom socket factory. Requires use of the CustomSocketFactory class.
 *
 * usage: java UseFactory
 */
class UseFactory {
    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");

        // Specify the socket factory
        env.put("java.naming.ldap.factory.socket", "CustomSocketFactory");

        // Authenticate as S. User and password "mysecret"
        env.put(Context.SECURITY_AUTHENTICATION, "simple");
        env.put(Context.SECURITY_PRINCIPAL,
                "cn=S. User, ou=NewHires, o=JNDITutorial");
        env.put(Context.SECURITY_CREDENTIALS, "mysecret");

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

            System.out.println(ctx.lookup("ou=NewHires"));

            // ... do something useful with ctx

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

/*
 * Copyright (c) 1995, 2008, Oracle and/or its affiliates. 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 Oracle or 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
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 */

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