bundles/org.eclipse.e4.ui.importer/src/org/eclipse/ui/internal/wizards/datatransfer/EclipseProjectConfigurator.java

/*******************************************************************************
 * Copyright (c) 2014-2015 Red Hat Inc., 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:
 *     Mickael Istria (Red Hat Inc.) - initial API and implementation
 ******************************************************************************/
package org.eclipse.ui.internal.wizards.datatransfer;

import java.io.File;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;

import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IFolder;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IProjectDescription;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.wizard.IWizard;
import org.eclipse.ui.wizards.datatransfer.ProjectConfigurator;

public class EclipseProjectConfigurator implements ProjectConfigurator {

	@Override
	public Set<File> findConfigurableLocations(File root, IProgressMonitor monitor) {
		HashSet<File> res = new HashSet<>();
		collectProjectDirectories(res, root, monitor);
		return res;
	}

	private void collectProjectDirectories(HashSet<File> res, File root, IProgressMonitor monitor) {
		if (new File(root, IProjectDescription.DESCRIPTION_FILE_NAME).isFile()) {
			res.add(root);
		}
		if (!monitor.isCanceled()) {
			for (File child : root.listFiles()) {
				if (child.isDirectory()) {
					collectProjectDirectories(res, child, monitor);
				}
			}
		}
	}

	@Override
	public boolean shouldBeAnEclipseProject(IContainer container, IProgressMonitor monitor) {
		return container.getFile(new Path(IProjectDescription.DESCRIPTION_FILE_NAME)).exists();
	}

	@Override
	public Set<IFolder> getDirectoriesToIgnore(IProject project, IProgressMonitor monitor) {
		return null;
	}

	@Override
	public boolean canConfigure(IProject project, Set<IPath> ignoredPaths, IProgressMonitor monitor) {
		return true;
	}

	@Override
	public IWizard getConfigurationWizard() {
		return null;
	}

	@Override
	public void configure(IProject project, Set<IPath> excludedDirectories, IProgressMonitor monitor) {
		try {
			project.refreshLocal(IResource.DEPTH_INFINITE, monitor);
		} catch (CoreException ex) {
			Activator.getDefault().getLog().log(new Status(IStatus.ERROR, Activator.getDefault().getBundle().getSymbolicName(), ex.getMessage(), ex));
		}
	}

}