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/*******************************************************************************
* Copyright (c) 2002, 2008 IBM Corporation 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
*
* Initial Contributors:
* The following IBM employees contributed to the Remote System Explorer
* component that contains this file: David McKnight, Kushal Munir,
* Michael Berger, David Dykstal, Phil Coulthard, Don Yantzi, Eric Simpson,
* Emily Bruner, Mazen Faraj, Adrian Storisteanu, Li Ding, and Kent Hawley.
*
* Contributors:
* Uwe Stieber (Wind River) - [174418] SystemAdapterHelpers.getViewAdapter(Object) try to find adapter twice
* Martin Oberhuber (Wind River) - [168870] refactor org.eclipse.rse.core package of the UI plugin
* Martin Oberhuber (Wind River) - [190271] Move ISystemViewInputProvider to Core
* David McKnight (IBM) - [225506] [api][breaking] RSE UI leaks non-API types
*******************************************************************************/
package org.eclipse.rse.ui.view;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.Platform;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.rse.core.model.ISystemViewInputProvider;
/**
* This class has static helper methods that will get an adapter given an object.
*/
public class SystemAdapterHelpers {
/**
* Returns the implementation of ISystemViewElement for the given
* object. Returns null if the adapter is not defined or the
* object is not adaptable.
*/
public static ISystemViewElementAdapter getViewAdapter(Object o) {
ISystemViewElementAdapter adapter = null;
// In case the object itself is an adaptable, call the objects getAdapter() method
if (o instanceof IAdaptable) {
adapter = (ISystemViewElementAdapter)((IAdaptable)o).getAdapter(ISystemViewElementAdapter.class);
} else if (o != null) {
// object is not an adaptable itself, call the adapter manager
adapter = (ISystemViewElementAdapter)Platform.getAdapterManager().getAdapter(o, ISystemViewElementAdapter.class);
}
return adapter;
}
/**
* Overload to use when calling from a viewer. This not only finds and returns
* the adapter, but also sets its viewer to the given viewer. Many actions rely
* on this being set.
*/
public static ISystemViewElementAdapter getViewAdapter(Object o, Viewer viewer) {
ISystemViewElementAdapter adapter = getViewAdapter(o);
if (adapter != null) {
//FIXME This is not thread-safe.
adapter.setViewer(viewer);
}
return adapter;
}
/**
* Overload to use when calling from a viewer. This not only finds and returns
* the adapter, but also sets its viewer and input provider to the given viewer.
* Many actions rely on this being set.
*/
public static ISystemViewElementAdapter getViewAdapter(Object o, Viewer viewer, ISystemViewInputProvider inputProvider) {
ISystemViewElementAdapter adapter = getViewAdapter(o, viewer);
if (adapter != null) {
//FIXME This is not thread-safe.
adapter.setInput(inputProvider);
}
return adapter;
}
/**
* Returns the implementation of ISystemRemoteElementAdapter for the given
* remote object. Returns null if this object does not adaptable to this.
*/
public static ISystemRemoteElementAdapter getRemoteAdapter(Object o) {
ISystemRemoteElementAdapter adapter = null;
// In case the object itself is an adaptable, call the objects getAdapter() method
if (o instanceof IAdaptable) {
adapter = (ISystemRemoteElementAdapter)((IAdaptable)o).getAdapter(ISystemRemoteElementAdapter.class);
} else if (o != null) {
// object is not an adaptable itself, call the adapter manager
adapter = (ISystemRemoteElementAdapter)Platform.getAdapterManager().getAdapter(o, ISystemRemoteElementAdapter.class);
}
return adapter;
}
/**
* Overload to use when calling from a viewer. This not only finds and returns
* the adapter, but also sets its viewer to the given viewer. Many actions rely
* on this being set.
*/
public static ISystemRemoteElementAdapter getRemoteAdapter(Object o, Viewer viewer) {
ISystemRemoteElementAdapter adapter = getRemoteAdapter(o);
if ((adapter != null) && (adapter instanceof ISystemViewElementAdapter))
((ISystemViewElementAdapter)adapter).setViewer(viewer);
return adapter;
}
}
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