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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.launch.core.internal.adapters;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.atomic.AtomicReference;
import org.eclipse.core.runtime.IAdapterFactory;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.core.ILaunch;
import org.eclipse.debug.core.ILaunchConfiguration;
import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy;
import org.eclipse.debug.core.ILaunchListener;
import org.eclipse.tcf.protocol.IPeer;
import org.eclipse.tcf.protocol.Protocol;
import org.eclipse.tcf.te.runtime.interfaces.IDisposable;
import org.eclipse.tcf.te.runtime.stepper.interfaces.IStepContext;
import org.eclipse.tcf.te.tcf.locator.interfaces.nodes.IPeerNode;
import org.eclipse.tcf.te.tcf.locator.interfaces.services.IPeerModelLookupService;
import org.eclipse.tcf.te.tcf.locator.model.Model;
/**
* Adapter factory implementation.
*/
public class AdapterFactory implements IAdapterFactory {
// Maintain a map of step context adapters per peer model
/* default */ Map<ILaunch, IStepContext> adapters = new HashMap<ILaunch, IStepContext>();
AttachLaunchConfigAdapter attachLaunchConfigAdapter = new AttachLaunchConfigAdapter();
private static final Class<?>[] CLASSES = new Class[] {
IStepContext.class,
ILaunchConfiguration.class,
ILaunchConfigurationWorkingCopy.class,
};
/**
* Constructor.
*/
public AdapterFactory() {
final ILaunchListener listener = new ILaunchListener() {
@Override
public void launchRemoved(ILaunch launch) {
IStepContext adapter = adapters.remove(launch);
if (adapter instanceof IDisposable) {
((IDisposable)adapter).dispose();
}
}
@Override
public void launchChanged(ILaunch launch) {
IStepContext adapter = adapters.remove(launch);
if (adapter instanceof IDisposable) {
((IDisposable)adapter).dispose();
}
}
@Override
public void launchAdded(ILaunch launch) {
}
};
Runnable runnable = new Runnable() {
@Override
public void run() {
DebugPlugin.getDefault().getLaunchManager().addLaunchListener(listener);
}
};
if (Protocol.isDispatchThread()) {
runnable.run();
}
else {
Protocol.invokeAndWait(runnable);
}
}
/* (non-Javadoc)
* @see org.eclipse.core.runtime.IAdapterFactory#getAdapter(java.lang.Object, java.lang.Class)
*/
@Override
public Object getAdapter(final Object adaptableObject, final Class adapterType) {
if (adaptableObject instanceof ILaunch) {
if (IStepContext.class.equals(adapterType)) {
// Lookup the adapter
IStepContext adapter = adapters.get(adaptableObject);
// No adapter yet -> create a new one for this peer
if (adapter == null) {
adapter = new LaunchStepContext((ILaunch)adaptableObject);
adapters.put((ILaunch)adaptableObject, adapter);
}
return adapter;
}
}
else if (adaptableObject instanceof IPeerNode) {
if (ILaunchConfiguration.class.equals(adapterType)) {
return attachLaunchConfigAdapter.getAttachLaunchConfig((IPeerNode)adaptableObject);
}
if (ILaunchConfigurationWorkingCopy.class.equals(adapterType)) {
ILaunchConfiguration launchConfig = attachLaunchConfigAdapter.getAttachLaunchConfig((IPeerNode)adaptableObject);
try {
return launchConfig.getWorkingCopy();
}
catch (Exception e) {
return launchConfig;
}
}
}
else if (adaptableObject instanceof IPeer) {
final IPeerModelLookupService service = Model.getModel().getService(IPeerModelLookupService.class);
final AtomicReference<IPeerNode> peerNode = new AtomicReference<IPeerNode>();
if (service != null) {
Runnable runnable = new Runnable() {
@Override
public void run() {
peerNode.set(service.lkupPeerModelById(((IPeer)adaptableObject).getID()));
}
};
if (Protocol.isDispatchThread()) runnable.run();
else Protocol.invokeAndWait(runnable);
}
if (peerNode.get() != null) return getAdapter(peerNode.get(), adapterType);
}
return null;
}
/* (non-Javadoc)
* @see org.eclipse.core.runtime.IAdapterFactory#getAdapterList()
*/
@Override
public Class[] getAdapterList() {
return CLASSES;
}
}
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