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/*******************************************************************************
* Copyright (c) 2004, 2007 Boeing.
* 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:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.framework.core.dsl.integration.internal;
import java.util.Collection;
import java.util.Collections;
import org.eclipse.osee.framework.core.data.IArtifactType;
import org.eclipse.osee.framework.core.data.IRelationType;
import org.eclipse.osee.framework.core.data.TokenFactory;
import org.eclipse.osee.framework.core.dsl.integration.ArtifactDataProvider.ArtifactProxy;
import org.eclipse.osee.framework.core.dsl.integration.RestrictionHandler;
import org.eclipse.osee.framework.core.dsl.integration.util.OseeUtil;
import org.eclipse.osee.framework.core.dsl.oseeDsl.ObjectRestriction;
import org.eclipse.osee.framework.core.dsl.oseeDsl.RelationTypeArtifactPredicate;
import org.eclipse.osee.framework.core.dsl.oseeDsl.RelationTypeArtifactTypePredicate;
import org.eclipse.osee.framework.core.dsl.oseeDsl.RelationTypePredicate;
import org.eclipse.osee.framework.core.dsl.oseeDsl.RelationTypeRestriction;
import org.eclipse.osee.framework.core.dsl.oseeDsl.XArtifactMatcher;
import org.eclipse.osee.framework.core.dsl.oseeDsl.XArtifactType;
import org.eclipse.osee.framework.core.dsl.oseeDsl.XRelationSideEnum;
import org.eclipse.osee.framework.core.dsl.oseeDsl.XRelationType;
import org.eclipse.osee.framework.core.enums.PermissionEnum;
import org.eclipse.osee.framework.core.enums.RelationSide;
import org.eclipse.osee.framework.core.exception.OseeCoreException;
import org.eclipse.osee.framework.core.model.RelationTypeSide;
import org.eclipse.osee.framework.core.model.access.AccessDetail;
import org.eclipse.osee.framework.core.model.access.AccessDetailCollector;
import org.eclipse.osee.framework.core.model.access.Scope;
import org.eclipse.osee.framework.core.model.type.ArtifactType;
import org.eclipse.osee.framework.core.model.type.RelationType;
import org.eclipse.osee.framework.core.util.HexUtil;
/**
* @author Roberto E. Escobar
*/
public class RelationTypeRestrictionHandler implements RestrictionHandler<RelationTypeRestriction> {
private final ArtifactMatchInterpreter matcherInterpreter;
public RelationTypeRestrictionHandler(ArtifactMatchInterpreter matcherInterpreter) {
this.matcherInterpreter = matcherInterpreter;
}
@Override
public RelationTypeRestriction asCastedObject(ObjectRestriction objectRestriction) {
RelationTypeRestriction toReturn = null;
if (objectRestriction instanceof RelationTypeRestriction) {
toReturn = (RelationTypeRestriction) objectRestriction;
}
return toReturn;
}
@Override
public void process(ObjectRestriction objectRestriction, ArtifactProxy artifactProxy, AccessDetailCollector collector, Scope scope) throws OseeCoreException {
RelationTypeRestriction restriction = asCastedObject(objectRestriction);
if (restriction != null) {
XRelationSideEnum restrictedSide = restriction.getRestrictedToSide();
Scope toUse = scope;
RelationTypePredicate predicate = restriction.getPredicate();
if (predicate instanceof RelationTypeArtifactPredicate) {
RelationTypeArtifactPredicate artifactPredicate = (RelationTypeArtifactPredicate) predicate;
XArtifactMatcher artifactMatcher = artifactPredicate.getArtifactMatcherRef();
if (artifactMatcher != null && matcherInterpreter != null) {
if (matcherInterpreter.matches(artifactMatcher, artifactProxy)) {
toUse = scope.clone().addSubPath(artifactProxy.getName());
}
}
} else if (predicate instanceof RelationTypeArtifactTypePredicate) {
RelationTypeArtifactTypePredicate artifactTypePredicate = (RelationTypeArtifactTypePredicate) predicate;
XArtifactType artifactTypeRef = artifactTypePredicate.getArtifactTypeRef();
ArtifactType artifactType = artifactProxy.getArtifactType();
if (artifactTypeRef != null && artifactType != null) {
IArtifactType ruleType =
TokenFactory.createArtifactType(HexUtil.toLong(artifactTypeRef.getUuid()), artifactTypeRef.getName());
if (artifactType.inheritsFrom(ruleType)) {
toUse = scope.clone().addSubPath(artifactProxy.getName());
}
}
}
Collection<RelationType> relationTypes = getRelationTypes(artifactProxy, restriction);
PermissionEnum permission = OseeUtil.getPermission(restriction);
for (RelationType relationType : relationTypes) {
for (RelationSide relationSide : RelationSide.values()) {
if (OseeUtil.isRestrictedSide(restrictedSide, relationSide)) {
collector.collect(new AccessDetail<RelationTypeSide>(
new RelationTypeSide(relationType, relationSide), permission, toUse));
}
}
}
}
}
private Collection<RelationType> getRelationTypes(ArtifactProxy artifactProxy, RelationTypeRestriction restriction) throws OseeCoreException {
Collection<RelationType> types;
if (restriction.isRelationTypeMatch()) {
types = artifactProxy.getValidRelationTypes();
} else {
XRelationType xRelationType = restriction.getRelationTypeRef();
IRelationType typeToMatch = OseeUtil.toToken(xRelationType);
RelationType relationType = getRelationType(typeToMatch, artifactProxy);
if (relationType != null) {
types = Collections.singleton(relationType);
} else {
types = Collections.emptyList();
}
}
return types;
}
private RelationType getRelationType(IRelationType typeToMatch, ArtifactProxy artifactProxy) throws OseeCoreException {
RelationType toReturn = null;
Collection<RelationType> relationTypes = artifactProxy.getValidRelationTypes();
for (RelationType relationType : relationTypes) {
if (relationType.equals(typeToMatch)) {
toReturn = relationType;
break;
}
}
return toReturn;
}
}
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