/**
    * 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 netscape.ldap.LDAPConnection;
  import netscape.ldap.LDAPEntry;
  import netscape.ldap.LDAPException;
  import netscape.ldap.LDAPModification;
  import netscape.ldap.LDAPModificationSet;
  import netscape.ldap.LDAPAttribute;
  import netscape.ldap.LDAPAttributeSet;
  import org.exolab.castor.dsml.Consumer;
  import org.exolab.castor.dsml.ImportEventListener;
  import org.exolab.castor.dsml.Importer;
  import org.exolab.castor.dsml.ImportDescriptor;
  import org.exolab.castor.dsml.ImportExportException;
  
  
  /**
   *
   *
   * @author <a href="mailto:arkin@intalio.com">Assaf Arkin</a>
   * @version $Revision$ $Date: 2004-12-13 14:00:30 -0700 (Mon, 13 Dec 2004) $
   */
  public class MozillaImporter
      extends Importer
  {
  
  
      private LDAPConnection _conn;
  
  
      public MozillaImporter( LDAPConnection conn )
      {
  	_conn = conn;
      }
  
  
      protected Consumer createConsumer()
      {
  	return new MozillaConsumer();
      }
  
  
      public void importEntry( LDAPEntry entry, int policy )
  	throws LDAPException
      {
  	LDAPEntry           existing;
  	LDAPModificationSet modifs;
  	LDAPAttributeSet    attrSet;
  	LDAPAttribute       attr;
  	int                 i;
  	Enumeration         enumeration;
 
 	if ( entry.getAttributeSet() == null ||
 	     entry.getAttributeSet().size() == 0 ) {
 
 	    if ( ( policy & ImportDescriptor.Policy.DELETE_EMPTY ) != 0 ) {
 		try {
 		    _conn.read( entry.getDN() );
 		    _conn.delete( entry.getDN() );
 		    notify( entry.getDN(), ImportEventListener.DELETED );
 		} catch ( LDAPException except ) {
 		    // Object does not exist, was not removed, ignore.
 		    // Anything else, we must complain.
 		    if ( except.getLDAPResultCode() != LDAPException.NO_SUCH_OBJECT )
 			throw except;
 		    notify( entry.getDN(), ImportEventListener.IGNORED );
 		}
 	    } else {
 		notify( entry.getDN(), ImportEventListener.IGNORED );
 	    }
 
 	} else {
 
 	    try {
 		existing = _conn.read( entry.getDN() );
 
 		modifs = new LDAPModificationSet();
 		attrSet = entry.getAttributeSet();
 		for ( i = 0 ; i < attrSet.size() ; ++i ) {
                     attr = attrSet.elementAt( i );
                     if ( existing.getAttributeSet().getAttribute( attr.getName() ) != null ) { 
                         if ( ( policy & ImportDescriptor.Policy.NEW_ATTRIBUTE_ONLY ) == 0 ) {
                             if ( attr.size() > 0 ) {
                                 modifs.add( LDAPModification.REPLACE, attr );
                             } else {
                                 modifs.add( LDAPModification.DELETE, attr );
                             }
                         }
                     } else {
                         if ( ( policy & ImportDescriptor.Policy.UPDATE_ONLY ) == 0 ) {
                             if ( attr.size() > 0 ) {
                                 modifs.add( LDAPModification.ADD, attr );
                             }
                         }
                     }
                 }
                 if ( ( policy & ImportDescriptor.Policy.REPLACE_ATTRIBUTE ) != 0 ) {
 		    enumeration = existing.getAttributeSet().getAttributes();
 		    while ( enumeration.hasMoreElements() ) {
 			attr = (LDAPAttribute) enumeration.nextElement();
 			if ( entry.getAttribute( attr.getName() ) == null ) {
 			    modifs.add( LDAPModification.DELETE, attr );
 			}
 		    }
 		}
 		if ( modifs.size() > 0 ) {
 		    _conn.modify( entry.getDN(), modifs );
 		    notify( entry.getDN(), ImportEventListener.REFRESHED );
 		} else {
 		    notify( entry.getDN(), ImportEventListener.IGNORED );
 		}
 	    } catch ( LDAPException except ) {
 		// Object does not exist, we create a new one.
 		// Anything else, we must complain.
 		if ( except.getLDAPResultCode() != LDAPException.NO_SUCH_OBJECT )
 		    throw except;
 		if ( ( policy & ImportDescriptor.Policy.REFRESH_ONLY ) == 0 ) {
 		    _conn.add( entry );
 		    notify( entry.getDN(), ImportEventListener.CREATED );
 		} else {
 		    notify( entry.getDN(), ImportEventListener.IGNORED );
 		}
 	    }
 	}
     }
 
 
     public void importEntries( Enumeration entries )
 	throws ImportExportException
     {
 	LDAPEntry entry;
 
 	if ( getImportDescriptor() == null )
 	    setImportDescriptor( new ImportDescriptor() );
 	try {
 	    while ( entries.hasMoreElements() ) {
 		entry = (LDAPEntry) entries.nextElement();
 		importEntry( entry, getImportDescriptor().getPolicy( entry.getDN() ) );
 	    }
 	} catch ( LDAPException except ) {
 	    throw new ImportExportException( except );
 	}
     }
 
 
 }