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/*************************************************************************
*
* The Contents of this file are made available subject to the terms of
* the BSD license.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Sun Microsystems, Inc. nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*************************************************************************/
// __________ Imports __________
import com.sun.star.uno.Any;
import com.sun.star.uno.UnoRuntime;
// others
import java.lang.String;
// __________ Implementation __________
/**
* support ONE singleton uno connection to an running office installation!
* Can be used to open/use/close connection to uno environment of an already running office.
* ctor isn't available from outside. You should call static function "getConnection()"
* to open or use internal set connection which is created one times only.
*
*/
public class OfficeConnect
{
/**
* At first call we create static connection object and get the remote office
* context and the remote office service manager. A new office process is
* started if necessary.
* Then - and for all further requests we return these static connection member.
*/
public static synchronized OfficeConnect createConnection()
throws java.lang.Exception
{
if (maConnection == null)
{
maConnection = new OfficeConnect();
}
return maConnection;
}
/**
* ctor
* We try to open the connection in our ctor ... transparently for the user.
* We made it private to support singleton pattern of these implementation.
* see getConnection() for further information
*/
private OfficeConnect() throws java.lang.Exception
{
// get the remote office context. If necessary a new office
// process is started
mxOfficeContext = com.sun.star.comp.helper.Bootstrap.bootstrap();
System.out.println("Connected to a running office ...");
mxServiceManager = mxOfficeContext.getServiceManager();
}
/**
* create uno components inside remote office process
* After connection of these process to a running office we have access to remote service manager of it.
* So we can use it to create all existing services. Use this method to create components by name and
* get her interface. Casting of it to right target interface is part of your implementation.
*
* @param aType describe class type of created service
* Returned object can be casted directly to this one.
* Uno query was done by this method automatically.
* @param sServiceSpecifier name of service which should be created
* @return Description of the Returned Value
*/
public <T> T createRemoteInstance(Class<T> aType, String sServiceSpecifier)
{
T aResult = null;
try
{
aResult = UnoRuntime.queryInterface(
aType, mxServiceManager.createInstanceWithContext(
sServiceSpecifier, mxOfficeContext));
}
catch (com.sun.star.uno.Exception ex)
{
System.err.println("Couldn't create Service of type " + sServiceSpecifier + ": " + ex);
ex.printStackTrace();
System.exit(0);
}
return aResult;
}
/**
* member
*/
// singleton connection instance
private static OfficeConnect maConnection;
// reference to remote office context
private com.sun.star.uno.XComponentContext mxOfficeContext;
// reference to remote service manager
private com.sun.star.lang.XMultiComponentFactory mxServiceManager;
}
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