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CRISTAL LDAP Lookup, Authentication and Property Storage Module
There is a newer version: 5.7.1
/**
 * This file is part of the CRISTAL-iSE LDAP lookup plugin.
 * Copyright (c) 2001-2016 The CRISTAL Consortium. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published
 * by the Free Software Foundation; either version 3 of the License, or (at
 * your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; with out even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library; if not, write to the Free Software Foundation,
 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
 *
 * http://www.fsf.org/licensing/licenses/lgpl.html
 */
package org.cristalise.lookup.ldap;

import java.util.Iterator;

import org.cristalise.kernel.lookup.Path;
import org.cristalise.kernel.utils.Logger;

import com.novell.ldap.LDAPEntry;
import com.novell.ldap.LDAPException;
import com.novell.ldap.LDAPSearchResults;

/**************************************************************************
 *
 * $Revision: 1.6 $
 * $Date: 2005/12/01 14:23:14 $
 *
 * Copyright (C) 2003 CERN - European Organization for Nuclear Research
 * All rights reserved.
 **************************************************************************/



public class LDAPPathSet implements Iterator {
    LDAPSearchResults results;
    LDAPEntry nextEntry;
    LDAPLookup ldap;

    public LDAPPathSet(LDAPLookup ldap) { // empty
    	this.ldap = ldap;
        results = null;
    } 

    public LDAPPathSet(LDAPSearchResults results, LDAPLookup ldap) {
    	this.ldap = ldap;
        this.results = results;
    }

    @Override
	public boolean hasNext() {
        if (results == null) return false;
        if (nextEntry != null) return true;
        if (results.hasMore())
        try {
            nextEntry = results.next();
            return true;
        } catch (LDAPException ex) {
        	if (ex.getResultCode()!=32) {// no results
        		Logger.error(ex);
        		Logger.error("Error loading LDAP result set: "+ex.getMessage());
        	}
        }
        return false;
    }

    @Override
	public Path next() {
        if (results == null) return null;
        try {
            if (nextEntry == null)
                nextEntry = results.next();
            Path nextPath = ldap.nodeToPath(nextEntry);
            nextEntry = null;
            return nextPath;
        } catch (Exception ex) {
            Logger.error("Error loading next path");
            Logger.error(ex);
            nextEntry = null;
            if (hasNext()) {
                Logger.error("Skipping to next entry");
                return next();
            }
            else
                return null;
        }
    }

	@Override
	public void remove() {
		// do nothing
		
	}
}