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/*******************************************************************************
* Copyright (c) 2011, 2012 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.filesystem.ui.internal.adapters;
import java.util.concurrent.atomic.AtomicReference;
import org.eclipse.core.runtime.IAdapterFactory;
import org.eclipse.tcf.protocol.Protocol;
import org.eclipse.tcf.te.core.interfaces.IPropertyChangeProvider;
import org.eclipse.tcf.te.core.interfaces.IViewerInput;
import org.eclipse.tcf.te.tcf.filesystem.ui.activator.UIPlugin;
import org.eclipse.tcf.te.tcf.locator.interfaces.nodes.IPeerModel;
/**
* The adapter factory for IViewerInput.
*/
public class ViewerInputAdapterFactory implements IAdapterFactory {
// The key to store and access the the viewer input object.
private static final String VIEWER_INPUT_KEY = UIPlugin.getUniqueIdentifier()+".peer.viewerInput"; //$NON-NLS-1$
/*
* (non-Javadoc)
* @see org.eclipse.core.runtime.IAdapterFactory#getAdapter(java.lang.Object, java.lang.Class)
*/
@Override
public Object getAdapter(Object adaptableObject, Class adapterType) {
if(adaptableObject instanceof IPeerModel) {
if (IViewerInput.class.equals(adapterType)
|| IPropertyChangeProvider.class.equals(adapterType)) {
IPeerModel peerModel = (IPeerModel) adaptableObject;
return getViewerInput(peerModel);
}
}
return null;
}
/**
* Get a viewer input from the specified peer model.
*
* @param peerModel The peer model to get the viewer input from.
* @return The peer model's viewer input.
*/
PeerModelViewerInput getViewerInput(final IPeerModel peerModel) {
if (peerModel != null) {
if (Protocol.isDispatchThread()) {
PeerModelViewerInput model = (PeerModelViewerInput) peerModel.getProperty(VIEWER_INPUT_KEY);
if (model == null) {
model = new PeerModelViewerInput(peerModel);
peerModel.setProperty(VIEWER_INPUT_KEY, model);
}
return model;
}
final AtomicReference<PeerModelViewerInput> reference = new AtomicReference<PeerModelViewerInput>();
Protocol.invokeAndWait(new Runnable() {
@Override
public void run() {
reference.set(getViewerInput(peerModel));
}
});
return reference.get();
}
return null;
}
/*
* (non-Javadoc)
* @see org.eclipse.core.runtime.IAdapterFactory#getAdapterList()
*/
@Override
public Class[] getAdapterList() {
return new Class[] { IViewerInput.class, IPropertyChangeProvider.class };
}
}
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