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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 complex.loadAllDocuments.helper;
import com.sun.star.beans.PropertyValue;
import com.sun.star.uno.Exception;
import com.sun.star.uno.RuntimeException;
import com.sun.star.task.XInteractionHandler;
import com.sun.star.task.XInteractionAbort;
import com.sun.star.task.XInteractionRetry;
import com.sun.star.uno.UnoRuntime;
import com.sun.star.uno.AnyConverter;
//import java.lang.*;
/**
* Implemets a simple interaction handler,
* which can abort all incoming interactions only ... but make it possible to
* log it. So it can be used for debug and test purposes.
*/
public class InteractionHandler implements XInteractionHandler
{
// ____________________
/**
* @const RETRY_COUNT it defines the max count of
* retrying of an interaction
*/
private static final int RETRY_COUNT = 3;
// ____________________
/**
* @member m_aRequest the origianl interaction request
* safed for later analyzing
* @member m_bWasUsed true if the interaction handler was used
* @member m_nTry count using of RETRY continuations
*/
private Object m_aRequest ;
private int m_nTry ;
private boolean m_bWasUsed ;
/**
* ctor
* It's initialize an object of this class with default values
* and set the protocol stack. So the outside code can check
* if this handler was used or not.
*/
public InteractionHandler()
{
m_aRequest = null ;
//m_aProtocol = aProtocol;
m_nTry = 0 ;
m_bWasUsed = false;
}
/**
* Called to start the interaction, because the outside code whish to solve
* a detected problem or to inform the user about something.
* We safe the informations here and can handle two well known continuations
* only.
* [abort and retry].
*
* @param xRequest
* describe the interaction
*/
public void handle(com.sun.star.task.XInteractionRequest xRequest)
{
m_bWasUsed = true;
// first sav thje original request
// Our user can use this information later for some debug analyzing
Object aRequest = xRequest.getRequest();
synchronized(this)
{
m_aRequest = aRequest;
}
// analyze the possible continuations.
// We can abort all incoming interactions only.
// But additional we can try to continue it several times too.
// Of course after e.g. three loops we have to stop and abort it.
com.sun.star.task.XInteractionContinuation[] lContinuations = xRequest.getContinuations();
com.sun.star.task.XInteractionAbort xAbort = null;
com.sun.star.task.XInteractionRetry xRetry = null;
com.sun.star.uno.Type xAbortType = new com.sun.star.uno.Type(com.sun.star.task.XInteractionAbort.class);
com.sun.star.uno.Type xRetryType = new com.sun.star.uno.Type(com.sun.star.task.XInteractionRetry.class);
for (int i=0; i<lContinuations.length; ++i)
{
try
{
if (xAbort == null)
xAbort = (com.sun.star.task.XInteractionAbort)AnyConverter.toObject(xAbortType, lContinuations[i]);
if (xRetry == null)
xRetry = (com.sun.star.task.XInteractionRetry)AnyConverter.toObject(xRetryType, lContinuations[i]);
}
catch(com.sun.star.lang.IllegalArgumentException exArg) {}
}
// try it again, but only if it wasn't tried to much before.
if (xRetry != null)
{
synchronized(this)
{
if (m_nTry < RETRY_COUNT)
{
++m_nTry;
xRetry.select();
return;
}
}
}
// otherwhise we can abort this interaction only
if (xAbort != null)
{
xAbort.select();
}
}
public boolean wasUsed() {
return m_bWasUsed;
}
}
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