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/*******************************************************************************
* Copyright (c) 2014, 2016 Borland Software Corporation 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:
* Christopher Gerking - initial API and implementation
*******************************************************************************/
package org.eclipse.m2m.internal.qvt.oml.project.builder;
import java.util.Collections;
import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.emf.common.EMFPlugin;
import org.eclipse.emf.common.util.URI;
import org.eclipse.m2m.internal.qvt.oml.NLS;
import org.eclipse.m2m.internal.qvt.oml.compiler.ResolverUtils;
import org.eclipse.m2m.internal.qvt.oml.compiler.UnitResolver;
import org.eclipse.m2m.internal.qvt.oml.compiler.UnitResolverFactory;
import org.eclipse.m2m.internal.qvt.oml.emf.util.URIUtils;
import org.eclipse.m2m.internal.qvt.oml.project.Messages;
import org.eclipse.m2m.internal.qvt.oml.project.QVTOProjectPlugin;
public class WorkspaceUnitResolverFactory extends UnitResolverFactory {
@Override
public boolean accepts(URI uri) {
return EMFPlugin.IS_RESOURCES_BUNDLE_AVAILABLE && (uri.isPlatformResource() || isWorkspacePath(uri));
}
@Override
public UnitResolver getResolver(URI uri) {
if(isWorkspacePath(uri)) {
uri = URI.createPlatformResourceURI(uri.path(), false);
}
IResource file = URIUtils.getResource(uri);
if (file == null) {
return null;
}
try {
IContainer sourceContainer = QVTOBuilderConfig.getConfig(file.getProject()).getSourceContainer();
if(sourceContainer != null) {
if (!sourceContainer.exists()) {
QVTOProjectPlugin.log(QVTOProjectPlugin.createStatus(IStatus.ERROR,
NLS.bind(Messages.InvalidSourceContainer, sourceContainer), null));
return null;
}
return new WorkspaceUnitResolver(Collections.singletonList(sourceContainer));
}
}
catch (CoreException e) {
QVTOProjectPlugin.log(e.getStatus());
}
return null;
}
@Override
public String getQualifiedName(URI uri) {
if(isWorkspacePath(uri)) {
uri = URI.createPlatformResourceURI(uri.path(), false);
}
IResource resource = URIUtils.getResource(uri);
if (resource == null) {
return null;
}
try {
IContainer sourceContainer = QVTOBuilderConfig.getConfig(resource.getProject()).getSourceContainer();
URI sourceContainerUri = URIUtils.getResourceURI(sourceContainer);
URI relativeUri = uri.deresolve(sourceContainerUri).trimFileExtension();
assert (relativeUri.isRelative());
// exclude first segment which is the source container itself
String[] segments = relativeUri.segments();
if(segments.length > 1) {
return ResolverUtils.toQualifiedName(segments, 1, segments.length-1);
}
}
catch(CoreException e) {
QVTOProjectPlugin.log(e.getStatus());
}
return null;
}
private static boolean isWorkspacePath(URI uri) {
return uri.scheme() == null && !uri.hasDevice() && !uri.hasAuthority()
&& !uri.hasEmptyPath() && !uri.hasQuery() && !uri.hasFragment()
&& uri.hasAbsolutePath();
}
}
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