/*******************************************************************************
* Copyright (c) 2012 Pivotal Software, Inc.
* 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:
* Pivotal Software, Inc. - initial API and implementation
*******************************************************************************/
package org.springsource.ide.eclipse.commons.frameworks.ui.internal.legacyconversion;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IResourceChangeEvent;
import org.eclipse.core.resources.IResourceChangeListener;
import org.eclipse.core.resources.IResourceDelta;
import org.eclipse.core.resources.IResourceDeltaVisitor;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.springsource.ide.eclipse.commons.frameworks.core.FrameworkCoreActivator;
import org.springsource.ide.eclipse.commons.frameworks.core.legacyconversion.IConversionConstants;
/**
* Listens for legacy STS projects appearing in the workspace
*
* @author Andrew Eisenberg
* @since 3.0.0
*/
public class LegacyProjectListener implements IResourceChangeListener, IConversionConstants {
public static final LegacyProjectListener LISTENER = new LegacyProjectListener();
private boolean shouldPerformCheck() {
return FrameworkCoreActivator.getDefault().getPreferenceStore().getBoolean(AUTO_CHECK_FOR_LEGACY_STS_PROJECTS);
}
public void resourceChanged(IResourceChangeEvent event) {
if (event.getType() == IResourceChangeEvent.POST_CHANGE) {
List<IProject> projects = getProjects(event.getDelta());
if (!projects.isEmpty() && shouldPerformCheck()) {
LegacyProjectsJob job = new LegacyProjectsJob(projects, false);
job.schedule();
}
}
}
private List<IProject> getProjects(IResourceDelta delta) {
final List<IProject> projects = new ArrayList<IProject>();
try {
delta.accept(new IResourceDeltaVisitor() {
public boolean visit(IResourceDelta innerDelta) throws CoreException {
if (innerDelta.getKind() == IResourceDelta.ADDED && innerDelta.getResource().getType() == IResource.PROJECT) {
IProject project = (IProject) innerDelta.getResource();
if (LegacyProjectsJob.isLegacyProject(project, false)) {
projects.add(project);
}
}
// only continue for the workspace root
return innerDelta.getResource().getType() == IResource.ROOT;
}
});
} catch (CoreException e) {
FrameworkCoreActivator.getDefault().getLog().log(e.getStatus());
}
return projects;
}
public void dispose() {
ResourcesPlugin.getWorkspace().removeResourceChangeListener(LegacyProjectListener.LISTENER);
}
}