/*
    * 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 2009-2010 Sun Microsystems, Inc.
   * Portions Copyright 2011-2015 ForgeRock AS.
   */
  
  package org.forgerock.opendj.examples;
  
  import java.io.FileInputStream;
  import java.io.FileNotFoundException;
  import java.io.IOException;
  import java.io.InputStream;
  
  import org.forgerock.opendj.ldap.Connection;
  import org.forgerock.opendj.ldap.LdapException;
  import org.forgerock.opendj.ldap.LDAPConnectionFactory;
  import org.forgerock.opendj.ldap.ResultCode;
  import org.forgerock.opendj.ldif.ChangeRecord;
  import org.forgerock.opendj.ldif.ConnectionChangeRecordWriter;
  import org.forgerock.opendj.ldif.LDIFChangeRecordReader;
  
  /**
   * An example client application which applies update operations to a Directory
   * Server. The update operations will be read from an LDIF file, or stdin if no
   * filename is provided. This example takes the following command line
   * parameters (it will read from stdin if no LDIF file is provided):
   *
   * <pre>
   *  {@code <host> <port> <username> <password> [<ldifFile>]}
   * </pre>
   */
  public final class Modify {
      /**
       * Main method.
       *
       * @param args
       *            The command line arguments: host, port, username, password,
       *            LDIF file name containing the update operations (will use
       *            stdin if not provided).
       */
      public static void main(final String[] args) {
          if (args.length < 4 || args.length > 5) {
              System.err.println("Usage: host port username password [ldifFileName]");
              System.exit(1);
          }
  
          // Parse command line arguments.
          final String hostName = args[0];
          final int port = Integer.parseInt(args[1]);
          final String userName = args[2];
          final String password = args[3];
  
          // Create the LDIF reader which will either used the named file, if
          // provided, or stdin.
          InputStream ldif;
          if (args.length > 4) {
              try {
                  ldif = new FileInputStream(args[4]);
              } catch (final FileNotFoundException e) {
                  System.err.println(e.getMessage());
                  System.exit(ResultCode.CLIENT_SIDE_PARAM_ERROR.intValue());
                  return;
              }
          } else {
              ldif = System.in;
          }
          // --- JCite ---
          final LDIFChangeRecordReader reader = new LDIFChangeRecordReader(ldif);
  
          // Connect and bind to the server.
          final LDAPConnectionFactory factory = new LDAPConnectionFactory(hostName, port);
          Connection connection = null;
  
          try {
              connection = factory.getConnection();
              connection.bind(userName, password.toCharArray());
  
              // Write the changes.
              final ConnectionChangeRecordWriter writer =
                      new ConnectionChangeRecordWriter(connection);
              while (reader.hasNext()) {
                  ChangeRecord changeRecord = reader.readChangeRecord();
                  writer.writeChangeRecord(changeRecord);
                  System.err.println("Successfully modified entry " + changeRecord.getName());
              }
          } 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 {
                 reader.close();
             } catch (final IOException ignored) {
                 // Ignore.
             }
         }
         // --- JCite ---
     }
 
     private Modify() {
         // Not used.
     }
 }