Java tutorial
/** * This file is part of Graylog. * * Graylog 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, either version 3 of the License, or * (at your option) any later version. * * Graylog 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 Graylog. If not, see <http://www.gnu.org/licenses/>. */ package org.graylog2.security.ldap; import com.mongodb.BasicDBObject; import com.mongodb.DBObject; import org.bson.types.ObjectId; import org.graylog2.database.MongoConnection; import org.graylog2.database.PersistedServiceImpl; import org.graylog2.shared.security.ldap.LdapSettings; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import javax.inject.Inject; import java.util.List; public class LdapSettingsServiceImpl extends PersistedServiceImpl implements LdapSettingsService { private static final Logger LOG = LoggerFactory.getLogger(LdapSettingsServiceImpl.class); private final LdapSettingsImpl.Factory ldapSettingsFactory; @Inject public LdapSettingsServiceImpl(MongoConnection mongoConnection, LdapSettingsImpl.Factory ldapSettingsFactory) { super(mongoConnection); this.ldapSettingsFactory = ldapSettingsFactory; } @Override public LdapSettings load() { DBObject query = new BasicDBObject(); final List<DBObject> results = query(LdapSettingsImpl.class, query); if (results.size() == 0) { return null; } if (results.size() > 1) { LOG.error( "Graylog does not yet support multiple LDAP backends, but {} configurations were found. This is a bug, ignoring LDAP config.", results.size()); return null; } final DBObject settingsObject = results.get(0); return ldapSettingsFactory.create((ObjectId) settingsObject.get("_id"), settingsObject.toMap()); } @Override public void delete() { DBObject query = new BasicDBObject(); destroyAll(LdapSettingsImpl.class, query); } }