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/*
* SSSync, a Simple and Stupid Synchronizer for data with multi-valued attributes
* Copyright (C) 2014 Ludovic Pouzenc <ludovic@pouzenc.fr>
*
* This file is part of SSSync.
*
* SSSync 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.
*
* SSSync 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 SSSync. If not, see <http://www.gnu.org/licenses/>
*/
package data.io.ldap;
import java.io.Closeable;
import java.io.IOException;
import com.unboundid.ldap.sdk.BindResult;
import com.unboundid.ldap.sdk.LDAPConnection;
import com.unboundid.ldap.sdk.LDAPConnectionOptions;
import com.unboundid.ldap.sdk.LDAPException;
import com.unboundid.ldap.sdk.ResultCode;
/**
* TODO javadoc
*
* @author lpouzenc
*/
public class LDAPConnectionWrapper implements Closeable {
private final LDAPConnection conn;
/**
* TODO javadoc
* @param host
* @param port
* @param bindDN
* @param password
*/
public LDAPConnectionWrapper(String host, int port, String bindDN, String password) {
LDAPConnectionOptions options = new LDAPConnectionOptions();
options.setAbandonOnTimeout(true);
options.setAllowConcurrentSocketFactoryUse(true);
options.setAutoReconnect(true);
options.setCaptureConnectStackTrace(true);
options.setConnectTimeoutMillis(2000); // 2 seconds
options.setResponseTimeoutMillis(5000); // 5 seconds
options.setUseSynchronousMode(false);
BindResult bindResult=null;
try {
conn = new LDAPConnection(options, host, port);
bindResult = conn.bind(bindDN, password);
}
catch (LDAPException e) {
throw new RuntimeException(e);
}
ResultCode resultCode = bindResult.getResultCode();
if ( resultCode != ResultCode.SUCCESS ) {
throw new RuntimeException("LDAP Bind failed : " + resultCode);
}
}
/**
* Builds a new reader against current connection and a LDAP baseDN.
*
* @param dataSourceName Short name of this data source (for logging)
* @param baseDN Search base DN (will return childs of this DN)
* @param keyAttr Attribute name that is the primary key of the entry, identifying the entry in a unique manner
* @param lookAheadAmount Grab this amount of entries at once (in memory-sorted, 128 could be great)
* @return A new reader ready to iterate on search results
*/
public LDAPFlatDataReader newFlatReader(String dataSourceName, String baseDN, String keyAttr, int lookAheadAmount) {
try {
return new LDAPFlatDataReader(dataSourceName, conn, baseDN, keyAttr, lookAheadAmount);
} catch (LDAPException e) {
throw new RuntimeException(e);
}
}
/**
* Builds a new writer that could insert/update/delete entries on a particular LDAP connection and baseDN.
*
* @param baseDN Search base DN (will return childs of this DN)
* @param keyAttr Attribute name that is the primary key of the entry, identifying the entry in a unique manner
* @return A new writter limited on a particular baseDN
*/
public LDAPFlatDataWriter newFlatWriter(String baseDN, String keyAttr) {
try {
return new LDAPFlatDataWriter(conn, baseDN, keyAttr);
} catch (LDAPException e) {
throw new RuntimeException(e);
}
}
/**
* Close the current ldap connection.
*/
@Override
public void close() throws IOException {
this.conn.close();
}
}
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