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/*****************************************************************************
* Copyright (c) 2011, 2014 Atos Origin, CEA, 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:
* Mathieu Velten (Atos Origin) mathieu.velten@atosorigin.com - Initial API and implementation
* Christian W. Damus (CEA) - bug 429826
*
*****************************************************************************/
package org.eclipse.papyrus.team.svn;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.resources.team.FileModificationValidationContext;
import org.eclipse.core.resources.team.FileModificationValidator;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Path;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.edit.domain.EditingDomain;
import org.eclipse.papyrus.infra.core.resource.AbstractReadOnlyHandler;
import org.eclipse.papyrus.infra.core.resource.ReadOnlyAxis;
import org.eclipse.team.core.RepositoryProvider;
import com.google.common.base.Optional;
import com.google.common.collect.Sets;
/**
* The Subversion file read-only handler is permission-based.
*/
public class SVNLockHandler extends AbstractReadOnlyHandler {
// This is defined by SVNTeamPlugin.NATURE_ID constant, but we don't want a dependency
// on that class (although, technically, it should be compiled into this class's constant
// pool, let's be explicit about it)
private static final String SVN_NATURE_ID = "org.eclipse.team.svn.core.nature"; //$NON-NLS-1$
FileModificationValidator validator = null;
public SVNLockHandler(EditingDomain editingDomain) {
super(editingDomain);
try {
validator = new SVNTeamModificationValidator();
} catch (NoClassDefFoundError e) {
}
}
public Optional<Boolean> anyReadOnly(Set<ReadOnlyAxis> axes, URI[] uris) {
if ((validator != null) && axes.contains(ReadOnlyAxis.PERMISSION)) {
IResource[] needsLockResources = FileUtility.filterResources(getIFiles(uris), IStateFilter.SF_NEEDS_LOCK, IResource.DEPTH_ZERO);
for (IResource needsLockResource : needsLockResources) {
if (!SVNRemoteStorage.instance().asLocalResource(needsLockResource).isLocked()) {
return Optional.of(Boolean.TRUE);
}
}
}
return Optional.absent();
}
@Override
public Optional<Boolean> canMakeWritable(Set<ReadOnlyAxis> axes, URI[] uris) {
if ((validator != null) && axes.contains(ReadOnlyAxis.PERMISSION)) {
// get the unique set of projects to check for SVN team provider
IFile[] files = getIFiles(uris);
Set<IProject> projects = Sets.newHashSet();
for (int i = 0; i < files.length; i++) {
projects.add(files[i].getProject());
}
boolean result = false;
for (Iterator<IProject> iter = projects.iterator(); !result && iter.hasNext();) {
result = RepositoryProvider.getProvider(iter.next(), SVN_NATURE_ID) != null;
}
return Optional.of(result);
}
return Optional.absent();
}
public Optional<Boolean> makeWritable(Set<ReadOnlyAxis> axes, URI[] uris) {
if ((validator != null) && axes.contains(ReadOnlyAxis.PERMISSION)) {
IStatus result = validator.validateEdit(getIFiles(uris), FileModificationValidationContext.VALIDATE_PROMPT);
return Optional.of(result.isOK());
}
return Optional.absent();
}
private IFile[] getIFiles(URI[] uris) {
HashSet<IFile> iFilesSet = new HashSet<IFile>();
for (URI uri : uris) {
IFile iFile = getFile(uri);
if (iFile != null) {
iFilesSet.add(iFile);
}
}
return iFilesSet.toArray(new IFile[iFilesSet.size()]);
}
private static IFile getFile(URI uri) {
if (uri.isPlatform()) {
return ResourcesPlugin.getWorkspace().getRoot().getFile(new Path(uri.toPlatformString(true)));
}
return null;
}
}
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