CalculateLogNameStep.java

/*******************************************************************************
 * Copyright (c) 2014 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.core.internal.channelmanager.steps;

import org.eclipse.core.runtime.Assert;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.Status;
import org.eclipse.tcf.protocol.IPeer;
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.core.steps.AbstractPeerStep;

/**
 * Calculate the log name to use for logging the backend communication.
 */
public class CalculateLogNameStep extends AbstractPeerStep {

	/* (non-Javadoc)
	 * @see org.eclipse.tcf.te.runtime.stepper.interfaces.IStep#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(IStepContext context, IPropertiesContainer data, IFullQualifiedId fullQualifiedId, IProgressMonitor monitor) throws CoreException {
		Assert.isNotNull(context);
		Assert.isNotNull(data);
		Assert.isNotNull(fullQualifiedId);
		Assert.isNotNull(monitor);
	}

	/* (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) {
		Assert.isNotNull(context);
		Assert.isNotNull(data);
		Assert.isNotNull(fullQualifiedId);
		Assert.isNotNull(monitor);
		Assert.isNotNull(callback);

		final IPeer peer = getActivePeerContext(context, data, fullQualifiedId);
		Assert.isNotNull(peer);

		Runnable runnable = new Runnable() {
			@Override
			public void run() {
				// Get the peer name
				String logname = peer.getName();

				if (logname != null) {
					// Get the peer host IP address
					String ip = peer.getAttributes().get(IPeer.ATTR_IP_HOST);
					// Fallback: The peer id
					if (ip == null || "".equals(ip.trim())) { //$NON-NLS-1$
						ip = peer.getID();
					}

					// Append the peer host IP address
					if (ip != null && !"".equals(ip.trim())) { //$NON-NLS-1$
						logname += " " + ip.trim(); //$NON-NLS-1$
					}

					// Write to the data store
					StepperAttributeUtil.setProperty(ITcfStepAttributes.ATTR_LOG_NAME, fullQualifiedId, data, logname, true);
				}

				callback(data, fullQualifiedId, callback, Status.OK_STATUS, null);
			}
		};

		if (Protocol.isDispatchThread()) runnable.run();
		else Protocol.invokeLater(runnable);
	}
}