/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
package com.sun.star.comp.connections;
import com.sun.star.comp.loader.FactoryHelper;
import com.sun.star.connection.AlreadyAcceptingException;
import com.sun.star.connection.ConnectionSetupException;
import com.sun.star.connection.XAcceptor;
import com.sun.star.connection.XConnection;
import com.sun.star.lang.XMultiServiceFactory;
import com.sun.star.lang.XSingleServiceFactory;
import com.sun.star.registry.XRegistryKey;
/**
* A component that implements the <code>XAcceptor</code> interface.
*
* <p>The <code>Acceptor</code> is a general component, that uses less general
* components (like <code>com.sun.star.connection.socketAcceptor</code>) to
* implement its functionality.</p>
*
* @see com.sun.star.connection.XAcceptor
* @see com.sun.star.connection.XConnection
* @see com.sun.star.connection.XConnector
* @see com.sun.star.comp.loader.JavaLoader
*
* @since UDK 1.0
*/
public final class Acceptor
implements XAcceptor {
/**
* The name of the service.
*
* <p>The <code>JavaLoader</code> accesses this through reflection.</p>
*
* @see com.sun.star.comp.loader.JavaLoader
*/
public static final String __serviceName
=
"com.sun.star.connection.Acceptor";
/**
* Returns a factory for creating the service.
*
* <p>This method is called by the <code>JavaLoader</code>.</p>
*
* @param implName the name of the implementation for which a service is
* requested.
* @param multiFactory the service manager to be used (if needed).
* @param regKey the registry key.
* @return an <code>XSingleServiceFactory</code> for creating the component.
*
* @see com.sun.star.comp.loader.JavaLoader
*/
public static XSingleServiceFactory __getServiceFactory(
String implName, XMultiServiceFactory multiFactory, XRegistryKey regKey)
{
return implName.equals(Acceptor.
class.getName())
? FactoryHelper.getServiceFactory(Acceptor.
class, __serviceName,
multiFactory, regKey)
:
null;
}
/**
* Constructs a new <code>Acceptor</code> that uses the given service
* factory to create a specific <code>XAcceptor</code>.
*
* @param serviceFactory the service factory to use.
*/
public Acceptor(XMultiServiceFactory serviceFactory) {
this.serviceFactory = serviceFactory;
}
/**
* Accepts a connection request via the given connection type.
*
* <p>This call blocks until a connection has been established.</p>
*
* <p>The connection description has the following format:
* <code><var>type</var></code><!--
* -->*(<code><var>key</var>=<var>value</var></code>).
* The specific <code>XAcceptor</code> implementation is instantiated
* through the service factory as
* <code>com.sun.star.connection.<var>type</var>Acceptor</code> (with
* <code><var>type</var></code> in lower case).</p>
*
* @param connectionDescription the description of the connection.
* @return an <code>XConnection</code> to the client.
*
* @see com.sun.star.connection.XConnection
* @see com.sun.star.connection.XConnector
*/
public XConnection accept(String connectionDescription)
throws
AlreadyAcceptingException, ConnectionSetupException,
com.sun.star.lang.IllegalArgumentException
{
if (DEBUG) {
System.err.println(
"##### " + getClass().getName() +
".accept("
+ connectionDescription +
")");
}
XAcceptor acc;
synchronized (
this) {
if (acceptor ==
null) {
acceptor = (XAcceptor) Implementation.getConnectionService(
serviceFactory, connectionDescription, XAcceptor.
class,
"Acceptor");
acceptingDescription = connectionDescription;
}
else if (!connectionDescription.equals(acceptingDescription)) {
throw new AlreadyAcceptingException(acceptingDescription
+
" vs. "
+ connectionDescription);
}
acc = acceptor;
}
return acc.accept(connectionDescription);
}
/**
*
* @see com.sun.star.connection.XAcceptor#stopAccepting
*/
public void stopAccepting() {
XAcceptor acc;
synchronized (
this) {
acc = acceptor;
}
acc.stopAccepting();
}
private static final boolean DEBUG =
false;
private final XMultiServiceFactory serviceFactory;
private XAcceptor acceptor =
null;
private String acceptingDescription;
}
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