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/*****************************************************************************
* Copyright (c) 2019 CEA LIST and others.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Nicolas FAUVERGUE (CEA LIST) nicolas.fauvergue@cea.fr - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.toolsmiths.validation.architecture.internal.checkers;
import java.util.Collection;
import java.util.HashSet;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IMarker;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.papyrus.toolsmiths.validation.architecture.constants.ArchitecturePluginValidationConstants;
import org.eclipse.papyrus.toolsmiths.validation.common.checkers.IPluginChecker;
import org.eclipse.papyrus.toolsmiths.validation.common.utils.MarkersService;
import org.eclipse.papyrus.toolsmiths.validation.common.utils.ProjectManagementService;
/**
* This class allows to check that the plug-in has the correct dependencies depending to the external profile references.
*/
public class ArchitectureExternalDependenciesChecker implements IPluginChecker {
/**
* The current project resource.
*/
private final IProject project;
/**
* The file defining the architecture.
*/
private final IFile architectureFile;
/**
* The EMF resource.
*/
private final Resource resource;
/**
* Constructor.
*
* @param project
* The current project resource.
* @param architectureFile
* The file defining the architecture.
* @param resource
* The EMF resource.
*/
public ArchitectureExternalDependenciesChecker(final IProject project, final IFile architectureFile, final Resource resource) {
this.project = project;
this.architectureFile = architectureFile;
this.resource = resource;
}
/**
* This allows to check that the plug-in has the correct dependencies depending to the external architecture references.
* {@inheritDoc}
*
* @see org.eclipse.papyrus.toolsmiths.validation.common.checkers.IPluginChecker#check(org.eclipse.core.runtime.IProgressMonitor)
*/
@Override
public void check(final IProgressMonitor monitor) {
if (null != monitor) {
monitor.subTask("Validate dependencies for architecture '" + architectureFile.getName() + "'."); //$NON-NLS-1$ //$NON-NLS-2$
}
// Get the external reference paths
final Collection<URI> externalReferencesPaths = getExternalReferencesPaths(project, architectureFile, resource);
// Calculate plug-ins names from URI
final Collection<String> requiredPlugins = new HashSet<>();
externalReferencesPaths.stream().forEach(externalReferencePath -> requiredPlugins.add(getPluginNameFromURI(externalReferencePath)));
// For each external reference, get its plug-in name and search its dependency in the plug-in
final Collection<String> existingRequiredPlugins = new HashSet<>();
ProjectManagementService.getPluginDependencies(project).stream().forEach(dependency -> existingRequiredPlugins.add(dependency.getName()));
requiredPlugins.removeIf(requiredPlugin -> existingRequiredPlugins.contains(requiredPlugin));
// If requiredPlugins is not empty, that means, the dependency is not available in the profile plug-in
// So, create the warning markers
if (!requiredPlugins.isEmpty()) {
final IFile manifestFile = ProjectManagementService.getManifestFile(project);
requiredPlugins.stream().forEach(requiredPlugin -> {
MarkersService.createMarker(manifestFile,
ArchitecturePluginValidationConstants.ARCHITECTURE_PLUGIN_VALIDATION_TYPE,
"The plug-in '" + requiredPlugin + "' must be defined as required plug-in (for architecture file '" + architectureFile.getName() + "').", //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
IMarker.SEVERITY_WARNING);
});
}
if (null != monitor) {
monitor.worked(1);
}
}
/**
* This allows to get the external references paths.
*
* @param project
* The current project.
* @param architectureFile
* The file defining the architecture.
* @param resource
* The resource to get external references paths.
* @return The external references paths.
*/
private Collection<URI> getExternalReferencesPaths(final IProject project, final IFile architectureFile, final Resource resource) {
final Collection<URI> externalReferencesPaths = new HashSet<>();
// First step, resolve all references
EcoreUtil.resolveAll(resource);
for (final Resource currentResource : resource.getResourceSet().getResources()) {
// Check that the resource is not the current one or is not available in the same plugin
if (!isCurrentProjectReference(project, currentResource)) {
final URI resourceURI = currentResource.getURI();
if (null != resourceURI && (resourceURI.toString().startsWith("platform:/") || resourceURI.toString().startsWith("../"))) { //$NON-NLS-1$ //$NON-NLS-2$
externalReferencesPaths.add(resourceURI);
}
}
}
return externalReferencesPaths;
}
/**
* This allows to determinate if the external reference must be managed or not.
* For example, we don't have to manage references of files from the same plug-in.
*
* @param project
* The current project.
* @param resource
* The resource to check.
* @return <code>true</code> if we have to manage reference, <code>false</code> otherwise.
*/
private boolean isCurrentProjectReference(final IProject project, final Resource resource) {
final String resourceURI = resource.getURI().toString();
// We don't have to manage references of files from the same plug-in
if (resourceURI.startsWith("platform:/plugin/" + project.getName() + "/") || //$NON-NLS-1$ //$NON-NLS-2$
resourceURI.startsWith("platform:/resource/" + project.getName() + "/")) { //$NON-NLS-1$ //$NON-NLS-2$
return true;
}
return false;
}
/**
* This allows to get the plug-in name from the URI.
*
* @param uri
* The initial URI.
* @return The plug-in name from URI or <code>null</code> if any problem occurred.
*/
private String getPluginNameFromURI(final URI uri) {
String pluginName = null;
// Take we correct segment (without authority)
final int takenSegment = uri.hasAuthority() ? 0 : 1;
if (uri.segmentCount() > takenSegment) {
pluginName = uri.segment(takenSegment);
}
return pluginName;
}
}
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