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/*******************************************************************************
* Copyright (c) 2012, 2013 Wind River Systems, Inc. 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:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.tcf.te.tcf.locator.steps;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.concurrent.atomic.AtomicReference;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.tcf.protocol.IChannel;
import org.eclipse.tcf.protocol.Protocol;
import org.eclipse.tcf.te.runtime.interfaces.callback.ICallback;
import org.eclipse.tcf.te.runtime.interfaces.properties.IPropertiesContainer;
import org.eclipse.tcf.te.runtime.stepper.StepperAttributeUtil;
import org.eclipse.tcf.te.runtime.stepper.interfaces.IFullQualifiedId;
import org.eclipse.tcf.te.runtime.stepper.interfaces.IStepContext;
import org.eclipse.tcf.te.tcf.core.interfaces.steps.ITcfStepAttributes;
import org.eclipse.tcf.te.tcf.locator.activator.CoreBundleActivator;
import org.eclipse.tcf.te.tcf.locator.interfaces.nodes.IPeerNodeProperties;
/**
* Check service step implementation.
*/
public class CheckServiceStep extends AbstractPeerNodeStep {
public static final String PARAMETER_REMOTE_SERVICE = "remoteService"; //$NON-NLS-1$
public static final String PARAMETER_LOCAL_SERVICE = "localService"; //$NON-NLS-1$
public static final String PARAMETER_OFFLINE_SERVICE = "offlineService"; //$NON-NLS-1$
/**
* Constructor.
*/
public CheckServiceStep() {
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.runtime.stepper.interfaces.IExtendedStep#validateExecute(org.eclipse.tcf.te.runtime.stepper.interfaces.IStepContext, org.eclipse.tcf.te.runtime.interfaces.properties.IPropertiesContainer, org.eclipse.tcf.te.runtime.stepper.interfaces.IFullQualifiedId, org.eclipse.core.runtime.IProgressMonitor)
*/
@Override
public void validateExecute(final IStepContext context, final IPropertiesContainer data, final IFullQualifiedId fullQualifiedId, final IProgressMonitor monitor) throws CoreException {
if (Protocol.isDispatchThread()) {
internalValidateExecute(context, data, fullQualifiedId, monitor);
}
else {
final AtomicReference<CoreException> result = new AtomicReference<CoreException>();
Protocol.invokeLater(new Runnable() {
@Override
public void run() {
try {
internalValidateExecute(context, data, fullQualifiedId, monitor);
}
catch (CoreException e) {
result.set(e);
}
}
});
if (result.get() != null) {
throw result.get();
}
}
}
protected void internalValidateExecute(IStepContext context, IPropertiesContainer data, IFullQualifiedId fullQualifiedId, IProgressMonitor monitor) throws CoreException {
IChannel channel = (IChannel)StepperAttributeUtil.getProperty(ITcfStepAttributes.ATTR_CHANNEL, fullQualifiedId, data);
if (channel == null || channel.getState() != IChannel.STATE_OPEN) {
throw new CoreException(new Status(IStatus.ERROR, CoreBundleActivator.getUniqueIdentifier(), "missing or closed channel")); //$NON-NLS-1$
}
String remoteService = getParameters().get(PARAMETER_REMOTE_SERVICE);
if (remoteService != null && channel.getRemoteService(remoteService) == null) {
throw new CoreException(new Status(IStatus.ERROR, CoreBundleActivator.getUniqueIdentifier(), "missing remote service '" + remoteService + "'")); //$NON-NLS-1$ //$NON-NLS-2$
}
String localService = getParameters().get(PARAMETER_LOCAL_SERVICE);
if (localService != null && channel.getLocalService(localService) == null) {
throw new CoreException(new Status(IStatus.ERROR, CoreBundleActivator.getUniqueIdentifier(), "missing local service '" + localService + "'")); //$NON-NLS-1$ //$NON-NLS-2$
}
String offlineService = getParameters().get(PARAMETER_OFFLINE_SERVICE);
String services = getActivePeerContext(context, data, fullQualifiedId).getAttributes().get(IPeerNodeProperties.PROP_OFFLINE_SERVICES);
List<String> list = services != null ? Arrays.asList(services.split(",\\s*")) : Collections.EMPTY_LIST; //$NON-NLS-1$
if (offlineService != null && !list.contains(offlineService)) {
throw new CoreException(new Status(IStatus.ERROR, CoreBundleActivator.getUniqueIdentifier(), "missing offline service '" + offlineService + "'")); //$NON-NLS-1$ //$NON-NLS-2$
}
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.runtime.stepper.interfaces.IStep#execute(org.eclipse.tcf.te.runtime.stepper.interfaces.IStepContext, org.eclipse.tcf.te.runtime.interfaces.properties.IPropertiesContainer, org.eclipse.tcf.te.runtime.stepper.interfaces.IFullQualifiedId, org.eclipse.core.runtime.IProgressMonitor, org.eclipse.tcf.te.runtime.interfaces.callback.ICallback)
*/
@Override
public void execute(final IStepContext context, final IPropertiesContainer data, final IFullQualifiedId fullQualifiedId, final IProgressMonitor monitor, final ICallback callback) {
// nothing to do, check is done in validateExecute.
callback.done(this, Status.OK_STATUS);
}
}
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