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/*******************************************************************************
* Copyright (c) 2006, 2015 IBM Corporation 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.ui.internal;
import org.eclipse.jface.viewers.IStructuredSelection;
/**
* <p>
* A service that is capable of converting a selection into resources.
* </p>
* <p>
* This interface is only intended for use within the
* <code>org.eclipse.ui.workbench</code> and <code>org.eclipse.ui.ide</code>
* plug-ins.
* </p>
*
* @since 3.2
*/
public interface ISelectionConversionService {
/**
* Attempt to convert the elements in the passed selection into resources by
* asking each for its IResource property (iff it isn't already a resource).
* If all elements in the initial selection can be converted to resources
* then answer a new selection containing these resources; otherwise answer
* an empty selection.
*
* @param originalSelection
* the original selection; must not be <code>null</code>.
* @return the converted selection or an empty selection; never
* <code>null</code>.
*/
IStructuredSelection convertToResources(
IStructuredSelection originalSelection);
}
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