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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
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.connections.XAcceptor
* @see com.sun.star.connections.XConnection
* @see com.sun.star.connections.XConnector
* @see com.sun.star.loader.JavaLoader
*
* @since UDK 1.0
*/
public final class Acceptor implements XAcceptor {
/**
* The name of the service.
*
* <p>The <code>JavaLoader</code> acceses 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;
}
/**
* Writes the service information into the given registry key.
*
* <p>This method is called by the <code>JavaLoader</code>.</p>
*
* @param regKey the registry key.
* @return <code>true</code> if the operation succeeded.
*
* @see com.sun.star.comp.loader.JavaLoader
*/
public static boolean __writeRegistryServiceInfo(XRegistryKey regKey) {
return FactoryHelper.writeRegistryServiceInfo(Acceptor.class.getName(),
__serviceName, regKey);
}
/**
* 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.connections.XConnection
* @see com.sun.star.connections.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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