/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE
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* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
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* add the following below this CDDL HEADER, with the fields enclosed
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* by brackets "[]" replaced with your own identifying information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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*
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* Copyright 2010 Sun Microsystems, Inc.
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*/
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package com.sun.opends.sdk.ldap;
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import java.io.IOException;
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import java.net.SocketAddress;
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import java.util.concurrent.ExecutionException;
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import javax.net.ssl.SSLEngine;
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import org.opends.sdk.*;
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import org.opends.sdk.requests.Requests;
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import org.opends.sdk.requests.StartTLSExtendedRequest;
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import org.opends.sdk.responses.ExtendedResult;
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import org.opends.sdk.responses.Responses;
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import org.opends.sdk.responses.Result;
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import org.glassfish.grizzly.CompletionHandler;
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import org.glassfish.grizzly.Connection;
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import org.glassfish.grizzly.EmptyCompletionHandler;
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import org.glassfish.grizzly.filterchain.DefaultFilterChain;
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import org.glassfish.grizzly.filterchain.FilterChain;
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import org.glassfish.grizzly.filterchain.TransportFilter;
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import org.glassfish.grizzly.nio.transport.TCPNIOTransport;
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import com.sun.opends.sdk.util.CompletedFutureResult;
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import com.sun.opends.sdk.util.FutureResultTransformer;
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import com.sun.opends.sdk.util.RecursiveFutureResult;
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/**
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* LDAP connection factory implementation.
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*/
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public final class LDAPConnectionFactoryImpl extends AbstractConnectionFactory
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implements ConnectionFactory
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{
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@SuppressWarnings("rawtypes")
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private final class FutureResultImpl implements CompletionHandler<Connection>
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{
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private final FutureResultTransformer<Result, AsynchronousConnection> futureStartTLSResult;
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private final RecursiveFutureResult<LDAPConnection, ExtendedResult> futureConnectionResult;
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private LDAPConnection connection;
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private FutureResultImpl(
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final ResultHandler<? super AsynchronousConnection> handler)
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{
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this.futureStartTLSResult = new FutureResultTransformer<Result, AsynchronousConnection>(
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handler)
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{
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@Override
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protected ErrorResultException transformErrorResult(
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final ErrorResultException errorResult)
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{
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// Ensure that the connection is closed.
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try
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{
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if (connection != null)
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{
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connection.close();
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}
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}
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catch (final Exception e)
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{
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// Ignore.
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}
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return errorResult;
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}
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@Override
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protected LDAPConnection transformResult(final Result result)
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throws ErrorResultException
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{
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return connection;
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}
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};
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this.futureConnectionResult = new RecursiveFutureResult<LDAPConnection, ExtendedResult>(
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futureStartTLSResult)
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{
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@Override
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protected FutureResult<? extends ExtendedResult> chainResult(
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final LDAPConnection innerResult,
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final ResultHandler<? super ExtendedResult> handler)
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throws ErrorResultException
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{
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connection = innerResult;
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if (options.getSSLContext() != null && options.useStartTLS())
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{
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final StartTLSExtendedRequest startTLS = Requests
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.newStartTLSExtendedRequest(options.getSSLContext());
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startTLS.addEnabledCipherSuite(
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options.getEnabledCipherSuites().toArray(
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new String[options.getEnabledCipherSuites().size()]));
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startTLS.addEnabledProtocol(
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options.getEnabledProtocols().toArray(
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new String[options.getEnabledProtocols().size()]));
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return connection.extendedRequest(startTLS, handler);
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}
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if (options.getSSLContext() != null)
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{
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try
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{
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connection.startTLS(options.getSSLContext(),
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options.getEnabledProtocols(),
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options.getEnabledCipherSuites(),
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new EmptyCompletionHandler<SSLEngine>()
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{
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@Override
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public void completed(final SSLEngine result)
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{
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handler.handleResult(null);
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}
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@Override
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public void failed(final Throwable throwable)
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{
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final Result errorResult = Responses
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.newResult(ResultCode.CLIENT_SIDE_CONNECT_ERROR)
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.setCause(throwable)
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.setDiagnosticMessage(throwable.getMessage());
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handler.handleErrorResult(ErrorResultException
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.wrap(errorResult));
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}
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});
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return null;
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}
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catch (final IOException ioe)
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{
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final Result errorResult = Responses
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.newResult(ResultCode.CLIENT_SIDE_CONNECT_ERROR)
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.setCause(ioe).setDiagnosticMessage(ioe.getMessage());
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throw ErrorResultException.wrap(errorResult);
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}
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}
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handler.handleResult(null);
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return new CompletedFutureResult<ExtendedResult>(
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(ExtendedResult) null);
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}
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};
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futureStartTLSResult.setFutureResult(futureConnectionResult);
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}
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/**
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* {@inheritDoc}
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*/
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public void cancelled()
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{
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// Ignore this.
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}
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/**
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* {@inheritDoc}
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*/
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public void completed(final Connection connection)
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{
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futureConnectionResult.handleResult(adaptConnection(connection));
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}
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/**
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* {@inheritDoc}
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*/
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public void failed(final Throwable throwable)
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{
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futureConnectionResult
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.handleErrorResult(adaptConnectionException(throwable));
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}
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/**
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* {@inheritDoc}
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*/
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public void updated(final Connection connection)
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{
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// Ignore this.
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}
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}
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private final SocketAddress socketAddress;
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private final TCPNIOTransport transport;
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private final FilterChain defaultFilterChain;
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private final LDAPClientFilter clientFilter;
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private final LDAPOptions options;
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/**
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* Creates a new LDAP connection factory implementation which can be used to
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* create connections to the Directory Server at the provided host and port
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* address using provided connection options.
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*
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* @param address
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* The address of the Directory Server to connect to.
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* @param options
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* The LDAP connection options to use when creating connections.
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*/
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public LDAPConnectionFactoryImpl(final SocketAddress address,
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final LDAPOptions options)
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{
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TCPNIOTransport tmpTransport = null;
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if (options instanceof GrizzlyLDAPOptions)
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{
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tmpTransport = ((GrizzlyLDAPOptions) options).getTCPNIOTransport();
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}
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if (tmpTransport == null)
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{
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tmpTransport = GlobalTransportFactory.getInstance().createTCPTransport();
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}
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this.transport = tmpTransport;
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this.socketAddress = address;
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this.options = new LDAPOptions(options);
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this.clientFilter = new LDAPClientFilter(new LDAPReader(
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this.options.getDecodeOptions()), 0);
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this.defaultFilterChain = new DefaultFilterChain();
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this.defaultFilterChain.add(new TransportFilter());
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this.defaultFilterChain.add(clientFilter);
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public FutureResult<AsynchronousConnection> getAsynchronousConnection(
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final ResultHandler<? super AsynchronousConnection> handler)
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{
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final FutureResultImpl future = new FutureResultImpl(handler);
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try
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{
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future.futureConnectionResult.setFutureResult(transport.connect(
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socketAddress, future));
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return future.futureStartTLSResult;
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}
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catch (final IOException e)
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{
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final ErrorResultException result = adaptConnectionException(e);
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return new CompletedFutureResult<AsynchronousConnection>(result);
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}
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}
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/**
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* Returns the address of the Directory Server.
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*
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* @return The address of the Directory Server.
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*/
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public SocketAddress getSocketAddress()
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{
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return socketAddress;
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}
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/**
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* {@inheritDoc}
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*/
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public String toString()
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{
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final StringBuilder builder = new StringBuilder();
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builder.append("LDAPConnectionFactory(");
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builder.append(getSocketAddress().toString());
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builder.append(')');
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return builder.toString();
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}
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private LDAPConnection adaptConnection(final Connection<?> connection)
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{
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// Test shows that its much faster with non block writes but risk
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// running out of memory if the server is slow.
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connection.configureBlocking(true);
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connection.setProcessor(defaultFilterChain);
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final LDAPConnection ldapConnection = new LDAPConnection(connection,
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options);
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clientFilter.registerConnection(connection, ldapConnection);
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return ldapConnection;
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}
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private ErrorResultException adaptConnectionException(Throwable t)
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{
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if (t instanceof ExecutionException)
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{
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t = t.getCause();
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}
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final Result result = Responses
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.newResult(ResultCode.CLIENT_SIDE_CONNECT_ERROR).setCause(t)
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.setDiagnosticMessage(t.getMessage());
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return ErrorResultException.wrap(result);
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}
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}
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