/*
 * The contents of this file are subject to the terms of the Common Development and
 * Distribution License (the License). You may not use this file except in compliance with the
 * License.
 *
 * You can obtain a copy of the License at legal/CDDLv1.0.txt. See the License for the
 * specific language governing permission and limitations under the License.
 *
 * When distributing Covered Software, include this CDDL Header Notice in each file and include
 * the License file at legal/CDDLv1.0.txt. If applicable, add the following below the CDDL
 * Header, with the fields enclosed by brackets [] replaced by your own identifying
 * information: "Portions Copyright [year] [name of copyright owner]".
 *
 * Copyright 2012-2015 ForgeRock AS.
 */

package org.forgerock.opendj.examples;

import java.io.IOException;

import org.forgerock.opendj.ldap.Connection;
import org.forgerock.opendj.ldap.Entries;
import org.forgerock.opendj.ldap.Entry;
import org.forgerock.opendj.ldap.LdapException;
import org.forgerock.opendj.ldap.LDAPConnectionFactory;
import org.forgerock.opendj.ldap.LinkedHashMapEntry;
import org.forgerock.opendj.ldap.ResultCode;
import org.forgerock.opendj.ldap.TreeMapEntry;
import org.forgerock.opendj.ldap.requests.ModifyRequest;
import org.forgerock.opendj.ldif.LDIFEntryWriter;

/**
 * A command-line client that creates, updates, renames, and deletes a
 * short-lived entry in order to demonstrate LDAP write operations using the
 * synchronous API. The client takes as arguments the host and port for the
 * directory server, and expects to find the entries and access control
 * instructions as defined in <a
 * href="http://opendj.forgerock.org/Example.ldif">Example.ldif</a>.
 *
 * <ul>
 * <li>host - host name of the directory server</li>
 * <li>port - port number of the directory server</li>
 * </ul>
 * All arguments are required.
 */
public final class ShortLife {

    /**
     * Connect to directory server as a user with rights to add, modify, and
     * delete entries, and then proceed to carry out the operations.
     *
     * @param args
     *            The command line arguments: host, port
     */
    public static void main(final String[] args) {
        if (args.length != 2) {
            System.err.println("Usage: host port");
            System.err.println("For example: localhost 1389");
            System.exit(1);
        }
        String host = args[0];
        int port = Integer.parseInt(args[1]);

        // User credentials of a "Directory Administrators" group member.
        // Kirsten Vaughan is authorized to create, update, and delete
        // entries.
        //
        // You might prompt an administrator user for information needed to
        // authenticate, or your application might have its own account with
        // rights to perform all necessary operations.
        String adminDN = "uid=kvaughan,ou=people,dc=example,dc=com";
        char[] adminPwd = "bribery".toCharArray();

        // --- JCite add ---
        // An entry to add to the directory
        String entryDN = "cn=Bob,ou=People,dc=example,dc=com";
        Entry entry = new LinkedHashMapEntry(entryDN)
            .addAttribute("cn", "Bob")
            .addAttribute("objectclass", "top")
            .addAttribute("objectclass", "person")
            .addAttribute("objectclass", "organizationalPerson")
            .addAttribute("objectclass", "inetOrgPerson")
            .addAttribute("mail", "subgenius@example.com")
            .addAttribute("sn", "Dobbs");

        LDIFEntryWriter writer = new LDIFEntryWriter(System.out);

        final LDAPConnectionFactory factory = new LDAPConnectionFactory(host, port);
        Connection connection = null;
        try {
            connection = factory.getConnection();
            connection.bind(adminDN, adminPwd);

            System.out.println("Creating an entry...");
            writeToConsole(writer, entry);
            connection.add(entry);
            System.out.println("...done.");
            // --- JCite add ---

            // --- JCite modify ---
            System.out.println("Updating mail address, adding description...");
            Entry old = TreeMapEntry.deepCopyOfEntry(entry);
            entry = entry.replaceAttribute("mail", "spammer@example.com")
                    .addAttribute("description", "Good user gone bad");
            writeToConsole(writer, entry);
            ModifyRequest request = Entries.diffEntries(old, entry);
            connection.modify(request);
            System.out.println("...done.");
            // --- JCite modify ---

            // --- JCite rename ---
            System.out.println("Renaming the entry...");
            String newDN = "cn=Ted,ou=People,dc=example,dc=com";
            entry = entry.setName(newDN);
            writeToConsole(writer, entry);
            connection.modifyDN(entryDN, "cn=Ted");
            System.out.println("...done.");
            // --- JCite rename ---

            // --- JCite delete ---
            System.out.println("Deleting the entry...");
            writeToConsole(writer, entry);
            connection.delete(newDN);
            System.out.println("...done.");
            // --- JCite delete ---
        } catch (final LdapException e) {
            System.err.println(e.getMessage());
            System.exit(e.getResult().getResultCode().intValue());
            return;
        } catch (final IOException e) {
            System.err.println(e.getMessage());
            System.exit(ResultCode.CLIENT_SIDE_LOCAL_ERROR.intValue());
            return;
        } finally {
            if (connection != null) {
                connection.close();
            }
            try {
                writer.close();
            } catch (final IOException ignored) {
                // Ignore.
            }
        }
    }

    /**
     * Write the entry in LDIF form to System.out.
     *
     * @param entry
     *            The entry to write to the console.
     */
    private static void writeToConsole(LDIFEntryWriter writer, Entry entry) throws IOException {
        writer.writeEntry(entry);
        writer.flush();
    }

    /**
     * Constructor not used.
     */
    private ShortLife() {
        // Not used.
    }
}