/**
    * 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.jndi;
  
  import javax.naming.NamingException;
  import javax.naming.NameNotFoundException;
  import javax.naming.NamingEnumeration;
  import javax.naming.directory.SearchControls;
  import javax.naming.directory.DirContext;
  import javax.naming.directory.SearchResult;
  
  import org.xml.sax.DocumentHandler;
  import org.xml.sax.SAXException;
  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 JNDIExporter extends Exporter {
    private DirContext _ctx;
  
    public JNDIExporter(final DirContext ctx) {
      _ctx = ctx;
    }
  
    protected Consumer createConsumer() {
      return new JNDIConsumer();
    }
  
    public void export(final DocumentHandler docHandler, final boolean serverSchema,
        final boolean importPolicy) throws ImportExportException {
      NamingEnumeration<SearchResult> enumeration;
      String filter;
      JNDIProducer producer;
      SearchControls searchCtrl;
  
      if (getSearchDescriptor() == null) {
        throw new IllegalStateException(Messages.message("dsml.searchDescriptorRequired"));
      }
  
      filter = getSearchDescriptor().getFilter();
      if (filter == null) {
        filter = "()";
      }
      try {
        searchCtrl = new SearchControls();
        searchCtrl.setReturningAttributes(getSearchDescriptor().getReturnAttrs());
        switch (getSearchDescriptor().getScope()) {
          case SearchDescriptor.Scope.BASE:
            searchCtrl.setSearchScope(SearchControls.OBJECT_SCOPE);
            break;
          case SearchDescriptor.Scope.ONE_LEVEL:
            searchCtrl.setSearchScope(SearchControls.ONELEVEL_SCOPE);
            break;
          case SearchDescriptor.Scope.SUB_TREE:
            searchCtrl.setSearchScope(SearchControls.SUBTREE_SCOPE);
            break;
          default:
            break;
        }
        enumeration = _ctx.search(getSearchDescriptor().getBaseDN(), filter, searchCtrl);
     } catch (NameNotFoundException except) {
       enumeration = null;
     } catch (NamingException except) {
       throw new ImportExportException(except);
     }
 
     try {
       producer = new JNDIProducer(docHandler, false);
       producer.startDocument();
       if (enumeration != null) {
         producer.produce(enumeration);
       }
       if (importPolicy && getImportDescriptor() != null) {
         producer.produce(getImportDescriptor());
       }
       producer.endDocument();
     } catch (SAXException except) {
       throw new ImportExportException(except);
     }
   }
 }