| /******************************************************************************* |
| * Copyright (c) 2014-2016 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.jdt.internal.ui.wizards.importer; |
| |
| import java.io.File; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| |
| 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.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.ui.wizards.datatransfer.ProjectConfigurator; |
| |
| import org.eclipse.jdt.core.IClasspathEntry; |
| import org.eclipse.jdt.core.IJavaProject; |
| import org.eclipse.jdt.core.JavaCore; |
| |
| import org.eclipse.jdt.internal.ui.JavaPlugin; |
| |
| public class JDTProjectNatureImportConfigurator implements ProjectConfigurator { |
| |
| private static final String BIN= "bin"; //$NON-NLS-1$ |
| private static final String CLASSPATH= ".classpath"; //$NON-NLS-1$ |
| |
| @Override |
| public boolean canConfigure(IProject project, Set<IPath> ignoredDirectories, IProgressMonitor monitor) { |
| return shouldBeAnEclipseProject(project, monitor); |
| } |
| |
| @Override |
| public void configure(IProject project, Set<IPath> ignoredDirectories, IProgressMonitor monitor) { |
| try { |
| IProjectDescription description = project.getDescription(); |
| List<String> natures = Arrays.asList(description.getNatureIds()); |
| if (!natures.contains(JavaCore.NATURE_ID)) { |
| List<String> newNatures = new ArrayList<>(natures); |
| newNatures.add(JavaCore.NATURE_ID); |
| description.setNatureIds(newNatures.toArray(new String[newNatures.size()])); |
| project.setDescription(description, monitor); |
| } |
| } catch (Exception ex) { |
| JavaPlugin.log(new Status( |
| IStatus.ERROR, |
| JavaCore.PLUGIN_ID, |
| ex.getMessage(), |
| ex)); |
| } |
| } |
| |
| @Override |
| public boolean shouldBeAnEclipseProject(IContainer container, IProgressMonitor monitor) { |
| return container.getFile(new Path(CLASSPATH)).exists(); |
| } |
| |
| @Override |
| public Set<IFolder> getFoldersToIgnore(IProject project, IProgressMonitor monitor) { |
| Set<IFolder> res = new HashSet<>(); |
| try { |
| IJavaProject javaProject = (IJavaProject)project.getNature(JavaCore.NATURE_ID); |
| if (javaProject == null) { // project already has .classpath and .project but Java nature isn't set |
| return Collections.emptySet(); |
| } |
| IResource resource = project.getWorkspace().getRoot().findMember(javaProject.getOutputLocation()); |
| if (resource != null && resource.exists() && resource.getType() == IResource.FOLDER) { |
| res.add((IFolder)resource); |
| } |
| for (IClasspathEntry entry : javaProject.getRawClasspath()) { |
| if (entry.getEntryKind() == IClasspathEntry.CPE_SOURCE) { |
| IFolder sourceFolder = project.getFolder(entry.getPath()); |
| res.add(sourceFolder); |
| } |
| } |
| } catch (CoreException ex) { |
| JavaPlugin.log(new Status( |
| IStatus.ERROR, |
| JavaCore.PLUGIN_ID, |
| ex.getMessage(), |
| ex)); |
| } |
| return res; |
| } |
| |
| @Override |
| public Set<File> findConfigurableLocations(File root, IProgressMonitor monitor) { |
| // Might be relevant to search .classpath files but those usually come with .project |
| // so they're already detected as Eclipse projects |
| return null; |
| } |
| |
| /** |
| * Remove bin/ folder from proposals |
| */ |
| @Override |
| public void removeDirtyDirectories(Map<File, List<ProjectConfigurator>> proposals) { |
| Set<File> toRemove = new HashSet<>(); |
| for (File directory : proposals.keySet()) { |
| String path = directory.getAbsolutePath(); |
| if (!path.endsWith(File.separator)) { |
| path += File.separator; |
| } |
| int index = path.indexOf(File.separator + BIN + File.separator); |
| if (index >= 0) { |
| File potentialClasspathFile = new File(path.substring(0, index), CLASSPATH); |
| if (potentialClasspathFile.isFile()) { |
| toRemove.add(directory); |
| } |
| } |
| } |
| for (File directory : toRemove) { |
| proposals.remove(directory); |
| } |
| } |
| |
| } |