122 lines
4 KiB
Java
122 lines
4 KiB
Java
/*
|
|
* This file is part of the LibreOffice project.
|
|
*
|
|
* 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 complex.loadAllDocuments;
|
|
|
|
import com.sun.star.task.XInteractionHandler;
|
|
import com.sun.star.uno.AnyConverter;
|
|
|
|
|
|
/**
|
|
* Implements 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;
|
|
|
|
|
|
|
|
/**
|
|
* count using of RETRY continuations
|
|
*/
|
|
private int m_nTry ;
|
|
/** true if the interaction handler was used */
|
|
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_nTry = 0 ;
|
|
m_bWasUsed = false;
|
|
}
|
|
|
|
/**
|
|
* Called to start the interaction, because the outside code wish to solve
|
|
* a detected problem or to inform the user about something.
|
|
* We save the information 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;
|
|
|
|
// 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 too much before.
|
|
if (xRetry != null)
|
|
{
|
|
synchronized(this)
|
|
{
|
|
if (m_nTry < RETRY_COUNT)
|
|
{
|
|
++m_nTry;
|
|
xRetry.select();
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
// otherwise we can abort this interaction only
|
|
if (xAbort != null)
|
|
{
|
|
xAbort.select();
|
|
}
|
|
}
|
|
|
|
public boolean wasUsed() {
|
|
return m_bWasUsed;
|
|
}
|
|
}
|