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/*******************************************************************************
* Copyright (c) 2006, 2014 Wind River Systems and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.examples.dsf.pda.ui;
import org.eclipse.cdt.dsf.concurrent.ThreadSafe;
import org.eclipse.cdt.dsf.service.DsfSession;
import org.eclipse.cdt.examples.dsf.pda.launch.PDALaunch;
import org.eclipse.core.runtime.IAdapterFactory;
import org.eclipse.debug.internal.ui.viewers.model.provisional.IElementContentProvider;
import org.eclipse.debug.internal.ui.viewers.model.provisional.IModelProxyFactory;
import org.eclipse.debug.ui.contexts.ISuspendTrigger;
/**
* The adapter factory is the central point of control of view model and other
* UI adapters of a DSF-based debugger. As new launches are created and
* old ones removed, this factory manages the life cycle of the associated
* UI adapters.
* <p>
* As a platform adapter factory, this factory only provides adapters for
* the launch object. Adapters for all other objects in the DSF model hierarchy
* are registered with the DSF session.
* </p>
*/
@ThreadSafe
@SuppressWarnings({ "restriction" })
public class PDAAdapterFactory implements IAdapterFactory {
// This IAdapterFactory method returns adapters for the PDA launch object only.
@Override
@SuppressWarnings("unchecked") // IAdapterFactory is Java 1.3
public Object getAdapter(Object adaptableObject, Class adapterType) {
if (!(adaptableObject instanceof PDALaunch))
return null;
PDALaunch launch = (PDALaunch) adaptableObject;
// Check for valid session.
// Note: even if the session is no longer active, the adapter set
// should still be returned. This is because the view model may still
// need to show elements representing a terminated process/thread/etc.
DsfSession session = launch.getSession();
if (session == null)
return null;
SessionAdapterSet adapterSet = PDAUIPlugin.getDefault().getAdapterSet(launch);
if (adapterSet == null)
return null;
// Returns the adapter type for the launch object.
if (adapterType.equals(IElementContentProvider.class))
return adapterSet.fViewModelAdapter;
else if (adapterType.equals(IModelProxyFactory.class))
return adapterSet.fViewModelAdapter;
else if (adapterType.equals(ISuspendTrigger.class))
return adapterSet.fSuspendTrigger;
else
return null;
}
@Override
@SuppressWarnings("unchecked") // IAdapterFactory is Java 1.3
public Class[] getAdapterList() {
return new Class[] { IElementContentProvider.class, IModelProxyFactory.class, ISuspendTrigger.class };
}
}
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