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// --- BEGIN COPYRIGHT BLOCK ---
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; version 2 of the License.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// (C) 2007 Red Hat, Inc.
// All rights reserved.
// --- END COPYRIGHT BLOCK ---
package com.netscape.cmscore.dbs;
import java.util.Enumeration;
import netscape.ldap.LDAPEntry;
import netscape.ldap.LDAPException;
import com.netscape.certsrv.apps.CMS;
import com.netscape.certsrv.dbs.IDBRegistry;
import com.netscape.certsrv.dbs.IDBSearchResults;
import com.netscape.certsrv.logging.ILogger;
/**
* A class represents the search results. A search
* results object contain a enumeration of
* Java objects that are just read from the database.
*
* @author thomask
* @version $Revision$, $Date$
*/
public class DBSearchResults implements IDBSearchResults {
private IDBRegistry mRegistry = null;
private Enumeration<Object> mRes = null;
private ILogger mLogger = CMS.getLogger();
/**
* Constructs search results.
*/
public DBSearchResults(IDBRegistry registry, Enumeration<Object> res) {
mRegistry = registry;
mRes = res;
}
/**
* Checks if any element is available.
*/
public boolean hasMoreElements() {
return mRes.hasMoreElements();
}
/**
* Retrieves next element.
*/
public Object nextElement() {
LDAPEntry entry = null;
try {
Object o = mRes.nextElement();
if (o instanceof LDAPEntry) {
entry = (LDAPEntry) o;
return mRegistry.createObject(entry.getAttributeSet());
} else {
if (o instanceof LDAPException)
;
// doing nothing because the last object in the search
// results is always LDAPException
else
mLogger.log(ILogger.EV_SYSTEM, ILogger.S_DB,
ILogger.LL_FAILURE, "DBSearchResults: result format error class=" + o.getClass().getName());
}
} catch (Exception e) {
/*LogDoc
*
* @phase local ldap search
* @reason failed to get next element
* @message DBSearchResults: <exception thrown>
*/
mLogger.log(ILogger.EV_SYSTEM, ILogger.S_DB,
ILogger.LL_FAILURE, "DBSearchResults: " + e.toString());
}
return null;
}
}
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