forked from amazingfate/loongoffice
190 lines
6.4 KiB
Java
190 lines
6.4 KiB
Java
/*************************************************************************
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*
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* $RCSfile: InteractionHandler.java,v $
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*
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* $Revision: 1.2 $
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*
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* last change:$Date: 2004-04-21 12:03:44 $
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*
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* The Contents of this file are made available subject to the terms of
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* either of the following licenses
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*
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* - GNU Lesser General Public License Version 2.1
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* - Sun Industry Standards Source License Version 1.1
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*
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* Sun Microsystems Inc., October, 2000
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2000 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*
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* Sun Industry Standards Source License Version 1.1
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* =================================================
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* The contents of this file are subject to the Sun Industry Standards
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* Source License Version 1.1 (the "License"); You may not use this file
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* except in compliance with the License. You may obtain a copy of the
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* License at http://www.openoffice.org/license.html.
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*
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* Software provided under this License is provided on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
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* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
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* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
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* See the License for the specific provisions governing your rights and
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* obligations concerning the Software.
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*
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* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
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*
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* Copyright: 2000 by Sun Microsystems, Inc.
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*
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* All Rights Reserved.
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*
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* Contributor(s): _______________________________________
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*
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*
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************************************************************************/
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package complex.loadAllDocuments.helper;
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import com.sun.star.beans.PropertyValue;
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import com.sun.star.uno.Exception;
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import com.sun.star.uno.RuntimeException;
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import com.sun.star.task.XInteractionHandler;
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import com.sun.star.task.XInteractionAbort;
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import com.sun.star.task.XInteractionRetry;
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import com.sun.star.uno.UnoRuntime;
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import com.sun.star.uno.AnyConverter;
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//import java.lang.*;
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/**
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* Implemets a simple interaction handler,
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* which can abort all incoming interactions only ... but make it possible to
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* log it. So it can be used for debug and test purposes.
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*/
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public class InteractionHandler implements XInteractionHandler
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{
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// ____________________
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/**
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* @const RETRY_COUNT it defines the max count of
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* retrying of an interaction
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*/
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private static final int RETRY_COUNT = 3;
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// ____________________
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/**
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* @member m_aRequest the origianl interaction request
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* safed for later analyzing
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* @member m_bWasUsed true if the interaction handler was used
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* @member m_nTry count using of RETRY continuations
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*/
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private Object m_aRequest ;
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private int m_nTry ;
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private boolean m_bWasUsed ;
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/**
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* ctor
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* It's initialize an object of this class with default values
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* and set the protocol stack. So the outside code can check
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* if this handler was used or not.
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*/
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public InteractionHandler()
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{
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m_aRequest = null ;
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//m_aProtocol = aProtocol;
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m_nTry = 0 ;
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m_bWasUsed = false;
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}
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/**
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* Called to start the interaction, because the outside code whish to solve
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* a detected problem or to inform the user about something.
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* We safe the informations here and can handle two well known continuations
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* only.
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* [abort and retry].
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*
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* @param xRequest
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* describe the interaction
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*/
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public void handle(com.sun.star.task.XInteractionRequest xRequest)
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{
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m_bWasUsed = true;
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// first sav thje original request
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// Our user can use this information later for some debug analyzing
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Object aRequest = xRequest.getRequest();
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synchronized(this)
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{
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m_aRequest = aRequest;
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}
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// analyze the possible continuations.
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// We can abort all incoming interactions only.
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// But additional we can try to continue it several times too.
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// Of course after e.g. three loops we have to stop and abort it.
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com.sun.star.task.XInteractionContinuation[] lContinuations = xRequest.getContinuations();
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com.sun.star.task.XInteractionAbort xAbort = null;
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com.sun.star.task.XInteractionRetry xRetry = null;
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com.sun.star.uno.Type xAbortType = new com.sun.star.uno.Type(com.sun.star.task.XInteractionAbort.class);
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com.sun.star.uno.Type xRetryType = new com.sun.star.uno.Type(com.sun.star.task.XInteractionRetry.class);
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for (int i=0; i<lContinuations.length; ++i)
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{
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try
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{
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if (xAbort == null)
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xAbort = (com.sun.star.task.XInteractionAbort)AnyConverter.toObject(xAbortType, lContinuations[i]);
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if (xRetry == null)
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xRetry = (com.sun.star.task.XInteractionRetry)AnyConverter.toObject(xRetryType, lContinuations[i]);
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}
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catch(com.sun.star.lang.IllegalArgumentException exArg) {}
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}
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// try it again, but only if it wasn't tried to much before.
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if (xRetry != null)
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{
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synchronized(this)
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{
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if (m_nTry < RETRY_COUNT)
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{
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++m_nTry;
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xRetry.select();
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return;
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}
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}
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}
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// otherwhise we can abort this interaction only
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if (xAbort != null)
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{
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xAbort.select();
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}
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}
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public boolean wasUsed() {
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return m_bWasUsed;
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}
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}
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