/**
 * Redistribution and use of this software and associated documentation ("Software"), with or
 * without modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain copyright statements and notices. Redistributions
 * must also contain a copy of this document.
 *
 * 2. 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.
 *
 * 3. The name "Exolab" must not be used to endorse or promote products derived from this Software
 * without prior written permission of Intalio, Inc. For written permission, please contact
 * info@exolab.org.
 *
 * 4. Products derived from this Software may not be called "Exolab" nor may "Exolab" appear in
 * their names without prior written permission of Intalio, Inc. Exolab is a registered trademark of
 * Intalio, Inc.
 *
 * 5. Due credit should be given to the Exolab Project (http://www.exolab.org/).
 *
 * THIS SOFTWARE IS PROVIDED BY INTALIO, INC. AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESSED 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 INTALIO, INC. OR ITS
 * 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.
 *
 * Copyright 1999 (C) Intalio, Inc. All Rights Reserved.
 *
 * $Id$
 */


package org.exolab.castor.dsml.mozilla;


import java.util.Enumeration;
import org.xml.sax.DocumentHandler;
import org.xml.sax.SAXException;
import netscape.ldap.LDAPException;
import netscape.ldap.LDAPConnection;
import netscape.ldap.LDAPSchema;
import netscape.ldap.LDAPv2;

import org.castor.core.util.Messages;
import org.exolab.castor.dsml.Consumer;
import org.exolab.castor.dsml.Exporter;
import org.exolab.castor.dsml.SearchDescriptor;
import org.exolab.castor.dsml.ImportExportException;


/**
 *
 *
 * @author <a href="mailto:arkin@intalio.com">Assaf Arkin</a>
 * @version $Revision$ $Date: 2006-04-10 16:39:24 -0600 (Mon, 10 Apr 2006) $
 */
public class MozillaExporter extends Exporter {


  private LDAPConnection _conn;


  public MozillaExporter(LDAPConnection conn) {
    _conn = conn;
  }


  protected Consumer createConsumer() {
    return new MozillaConsumer();
  }


  public void export(DocumentHandler docHandler, boolean serverSchema, boolean importPolicy)
      throws ImportExportException {
    Enumeration enumeration;
    String[] attrs;
    MozillaProducer producer;
    LDAPSchema schema;
    int scope;

    if (getSearchDescriptor() == null)
      throw new IllegalStateException(Messages.message("dsml.searchDescriptorRequired"));

    attrs = getSearchDescriptor().getReturnAttrs();
    try {
      scope = getSearchDescriptor().getScope();
      switch (scope) {
        case SearchDescriptor.Scope.ONE_LEVEL:
          scope = LDAPv2.SCOPE_ONE;
          break;
        case SearchDescriptor.Scope.BASE:
          scope = LDAPv2.SCOPE_BASE;
          break;
        case SearchDescriptor.Scope.SUB_TREE:
          scope = LDAPv2.SCOPE_SUB;
          break;
      }
      enumeration = _conn.search(getSearchDescriptor().getBaseDN(), scope,
          getSearchDescriptor().getFilter(), attrs, false);
    } catch (LDAPException except) {
      // Object does not exist, was not removed, ignore.
      // Anything else, we must complain.
      if (except.getLDAPResultCode() != LDAPException.NO_SUCH_OBJECT)
        throw new ImportExportException(except);
      enumeration = null;
    }

    try {
      producer = new MozillaProducer(docHandler, false);
      producer.startDocument();
      if (serverSchema) {
        schema = new LDAPSchema();
        schema.fetchSchema(_conn);
        producer.produce(schema);
      }
      if (enumeration != null)
        producer.produce(enumeration);
      if (importPolicy && getImportDescriptor() != null)
        producer.produce(getImportDescriptor());
      producer.endDocument();
    } catch (SAXException except) {
      throw new ImportExportException(except);
    } catch (LDAPException except) {
      throw new ImportExportException(except);
    }
  }



}

