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/*
* Copyright (c) 2004 - 2011 Eike Stepper (Berlin, Germany) 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:
* Eike Stepper - initial API and implementation
*/
package org.eclipse.net4j.util.ui;
import java.util.Collection;
/**
* @author Eike Stepper
*/
public class StaticContentProvider extends StructuredContentProvider<Object>
{
private Object[] elements;
public StaticContentProvider(Object[] elements)
{
this.elements = elements;
}
public StaticContentProvider(Collection<?> elements)
{
this(elements.toArray());
}
public StaticContentProvider(Class<Object> enumClass)
{
this(createElements(enumClass));
}
public Object[] getElements(Object inputElement)
{
return elements;
}
private static Object[] createElements(Class<Object> enumClass)
{
Object[] enumConstants = enumClass.getEnumConstants();
if (enumConstants == null)
{
throw new IllegalArgumentException("Illegal enum: " + enumClass); //$NON-NLS-1$
}
return enumConstants;
}
}
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