| /******************************************************************************* |
| * Copyright (c) 2000, 2016 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 |
| * |
| *******************************************************************************/ |
| package org.eclipse.dltk.internal.corext.refactoring.participants; |
| |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.runtime.CoreException; |
| |
| public class ResourceProcessors { |
| |
| public static String[] computeAffectedNatures(IResource resource) throws CoreException { |
| IProject project= resource.getProject(); |
| Set<String> result= new HashSet<String>(); |
| Set visitedProjects= new HashSet(); |
| computeNatures(result, visitedProjects, project); |
| return result.toArray(new String[result.size()]); |
| } |
| |
| public static String[] computeAffectedNatures(IResource[] resources) throws CoreException { |
| Set<String> result= new HashSet<String>(); |
| Set visitedProjects= new HashSet(); |
| for (int i= 0; i < resources.length; i++) { |
| computeNatures(result, visitedProjects, resources[i].getProject()); |
| } |
| return result.toArray(new String[result.size()]); |
| } |
| |
| private static void computeNatures(Set result, Set visitedProjects, IProject focus) throws CoreException { |
| if (visitedProjects.contains(focus)) |
| return; |
| String[] pns= focus.getDescription().getNatureIds(); |
| for (int p = 0; p < pns.length; p++) { |
| result.add(pns[p]); |
| } |
| visitedProjects.add(focus); |
| IProject[] referencing= focus.getReferencingProjects(); |
| for (int i= 0; i < referencing.length; i++) { |
| computeNatures(result, visitedProjects, referencing[i]); |
| } |
| } |
| } |