/*******************************************************************************
* Copyright (c) 2005, 2007 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
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.dltk.core;
import org.eclipse.core.resources.IProject;
/**
* Selects a contributed extension implementation based upon the
* <code>priority</code> it was registered with when the plugin containing its
* extension definition was loaded.
*/
public class DLTKPriorityContributionSelector implements
IDLTKContributionSelector {
/*
* @see org.eclipse.dltk.core.IDLTKContributionSelector#select(org.eclipse.dltk.core.IDLTKContributedExtension[],
* org.eclipse.core.resources.IProject)
*/
public IDLTKContributedExtension select(
IDLTKContributedExtension[] contributions, IProject project) {
int maxPriority = Integer.MIN_VALUE;
IDLTKContributedExtension selected = null;
for (int i = 0; i < contributions.length; i++) {
IDLTKContributedExtension contrib = contributions[i];
/*
* if more then one contribution has the same priority, the first
* one found in the array wins
*/
if (contrib.getPriority() > maxPriority) {
selected = contrib;
maxPriority = contrib.getPriority();
}
}
return selected;
}
}