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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;
+
+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;
+ }
+}