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[fix] 174418 SystemAdapterHelpers.getAdapter(Object) try to find adapter twice

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This commit is contained in:
Uwe Stieber 2007-02-16 10:26:08 +00:00
parent 881441ad83
commit 084a3ce496
1 changed files with 67 additions and 66 deletions
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133
rse/plugins/org.eclipse.rse.ui/systems/org/eclipse/rse/core/SystemAdapterHelpers.java
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@ -29,87 +29,88 @@ import org.eclipse.rse.ui.view.SystemViewAdapterFactory;
/**
* This class has static helper methods that will get an adapter given an object.
*/
public class SystemAdapterHelpers
{
/**
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 getAdapter(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);
} if (o != null) {
adapter = (ISystemViewElementAdapter) Platform.getAdapterManager().getAdapter(o, ISystemViewElementAdapter.class);
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 getAdapter(Object o, Viewer viewer)
{
ISystemViewElementAdapter adapter = getAdapter(o);
if (adapter != null)
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 getAdapter(Object o, Viewer viewer, ISystemViewInputProvider inputProvider)
{
ISystemViewElementAdapter adapter = getAdapter(o, viewer);
if (adapter != null) {
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;
if (!(o instanceof IAdaptable))
adapter = (ISystemRemoteElementAdapter)Platform.getAdapterManager().getAdapter(o,ISystemRemoteElementAdapter.class);
else
adapter = (ISystemRemoteElementAdapter)((IAdaptable)o).getAdapter(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;
}
/**
* 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 getAdapter(Object o, Viewer viewer) {
ISystemViewElementAdapter adapter = getAdapter(o);
if (adapter != null)
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 getAdapter(Object o, Viewer viewer, ISystemViewInputProvider inputProvider) {
ISystemViewElementAdapter adapter = getAdapter(o, viewer);
if (adapter != null) {
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;
}
/**
* For pathpath access to our adapters for non-local objects in our model. Exploits the knowledge we use singleton adapters.
*/
public SystemViewAdapterFactory getSystemViewAdapterFactory()
{
public SystemViewAdapterFactory getSystemViewAdapterFactory() {
return RSEUIPlugin.getDefault().getSystemViewAdapterFactory();
}
}