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/*
* Copyright (c) 2013, 2015, 2016 Eike Stepper (Loehne, Germany) and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Christian W. Damus (CEA LIST) - initial API and implementation
*/
package org.eclipse.net4j.signal.confirmation;
import org.eclipse.net4j.signal.IndicationWithMonitoring;
import org.eclipse.net4j.signal.SignalProtocol;
import org.eclipse.net4j.util.confirmation.Confirmation;
import org.eclipse.net4j.util.confirmation.IConfirmationProvider;
import org.eclipse.net4j.util.io.ExtendedDataInputStream;
import org.eclipse.net4j.util.io.ExtendedDataOutputStream;
import org.eclipse.net4j.util.om.monitor.OMMonitor;
import org.eclipse.net4j.util.om.monitor.OMMonitor.Async;
import org.eclipse.internal.net4j.bundle.OM;
/**
* @author Christian W. Damus (CEA LIST)
*
* @since 4.3
*/
public class ConfirmationIndication<PROTOCOL extends SignalProtocol<?> & IConfirmationProvider.Provider> extends IndicationWithMonitoring
{
private ConfirmationPrompt prompt;
public ConfirmationIndication(SignalProtocol<?> protocol, short id, String name)
{
super(protocol, id, name);
}
public ConfirmationIndication(SignalProtocol<?> protocol, short signalID)
{
super(protocol, signalID);
}
public ConfirmationIndication(SignalProtocol<?> protocol, Enum<?> literal)
{
super(protocol, literal);
}
@Override
protected int getIndicatingWorkPercent()
{
return 1;
}
@Override
protected void indicating(ExtendedDataInputStream in, OMMonitor monitor) throws Exception
{
prompt = ConfirmationPrompt.read(in);
}
protected final ConfirmationPrompt getPrompt()
{
return prompt;
}
@Override
protected void responding(ExtendedDataOutputStream out, OMMonitor monitor) throws Exception
{
monitor.begin();
Async async = monitor.forkAsync();
try
{
IConfirmationProvider confirmationProvider = getConfirmationProvider();
if (confirmationProvider == null)
{
throw new IllegalStateException("No confirmation provider configured"); //$NON-NLS-1$
}
Confirmation confirmation = confirmationProvider.confirm(prompt.getSubject(), prompt.getMessage(), prompt.getAcceptableResponses(),
prompt.getSuggestedResponse());
if (confirmation == null)
{
throw new IllegalStateException("No confirmation provided"); //$NON-NLS-1$
}
out.writeBoolean(true);
out.writeEnum(confirmation);
}
catch (Throwable ex)
{
out.writeBoolean(false);
OM.LOG.error(ex);
}
finally
{
async.stop();
monitor.done();
}
}
public IConfirmationProvider getConfirmationProvider()
{
return ((IConfirmationProvider.Provider)getProtocol()).getConfirmationProvider();
}
}
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