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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.HashSet;
import org.eclipse.osee.framework.core.data.IAccessContextId;
import org.eclipse.osee.framework.core.dsl.integration.AccessModelInterpreter;
import org.eclipse.osee.framework.core.dsl.integration.ArtifactDataProvider;
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.oseeDsl.AccessContext;
import org.eclipse.osee.framework.core.dsl.oseeDsl.HierarchyRestriction;
import org.eclipse.osee.framework.core.dsl.oseeDsl.ObjectRestriction;
import org.eclipse.osee.framework.core.dsl.oseeDsl.XArtifactMatcher;
import org.eclipse.osee.framework.core.model.access.AccessDetailCollector;
import org.eclipse.osee.framework.core.model.access.Scope;
import org.eclipse.osee.framework.jdk.core.type.OseeCoreException;
import org.eclipse.osee.framework.jdk.core.util.Conditions;
import org.eclipse.osee.framework.jdk.core.util.Strings;
/**
* @author Roberto E. Escobar
*/
public class AccessModelInterpreterImpl implements AccessModelInterpreter {
private final ArtifactDataProvider provider;
private final ArtifactMatchInterpreter matcher;
private final Collection<RestrictionHandler<?>> restrictionHandlers;
public AccessModelInterpreterImpl(ArtifactDataProvider provider, ArtifactMatchInterpreter matcher, RestrictionHandler<?>... restricitionHandlers) {
this.provider = provider;
this.matcher = matcher;
this.restrictionHandlers = new HashSet<RestrictionHandler<?>>();
for (RestrictionHandler<?> handler : restricitionHandlers) {
restrictionHandlers.add(handler);
}
}
@Override
public AccessContext getContext(Collection<AccessContext> contexts, IAccessContextId contextId) throws OseeCoreException {
Conditions.checkNotNull(contexts, "accessContext collection");
Conditions.checkNotNull(contextId, "accessContextId");
AccessContext toReturn = null;
for (AccessContext accessContext : contexts) {
if (contextId.getGuid().equals(Strings.unquote(accessContext.getGuid()))) {
toReturn = accessContext;
}
}
return toReturn;
}
@Override
public void computeAccessDetails(AccessDetailCollector collector, AccessContext context, Object objectToCheck) throws OseeCoreException {
Conditions.checkNotNull(collector, "accessDetailCollector");
Conditions.checkNotNull(context, "accessContext");
Conditions.checkNotNull(objectToCheck, "objectToCheck");
if (provider.isApplicable(objectToCheck)) {
ArtifactProxy data = provider.asCastedObject(objectToCheck);
Conditions.checkNotNull(data, "artifactData",
"artifact data provider returned null - provider has an isApplicable error");
collectApplicable(collector, context, data);
}
}
private void collectApplicable(AccessDetailCollector collector, AccessContext context, ArtifactProxy artifactData) throws OseeCoreException {
Scope scope = getScope(context);
processContext(collector, context, artifactData, scope);
for (AccessContext superContext : context.getSuperAccessContexts()) {
collectApplicable(collector, superContext, artifactData);
}
}
private Scope getScope(AccessContext context) {
Scope scope = new Scope();
scopeHelper(scope, context);
return scope;
}
private void scopeHelper(Scope scope, AccessContext context) {
for (AccessContext parent : context.getSuperAccessContexts()) {
scopeHelper(scope, parent);
}
scope.add(context.getName());
}
private void processContext(AccessDetailCollector collector, AccessContext context, ArtifactProxy artifactData, Scope scope) throws OseeCoreException {
collectRestrictions(collector, artifactData, context.getAccessRules(), scope);
Collection<HierarchyRestriction> restrictions = context.getHierarchyRestrictions();
Collection<ArtifactProxy> proxyHierarchy = artifactData.getHierarchy();
for (HierarchyRestriction hierarchy : restrictions) {
XArtifactMatcher artifactRef = hierarchy.getArtifactMatcherRef();
if (matcher.matches(artifactRef, proxyHierarchy)) {
String tag = String.format("childOf-%s", artifactRef.getName());
Scope child = scope.clone().addSubPath(tag);
collectRestrictions(collector, artifactData, hierarchy.getAccessRules(), child);
}
}
}
private void collectRestrictions(AccessDetailCollector collector, ArtifactProxy artifactData, Collection<ObjectRestriction> restrictions, Scope scope) throws OseeCoreException {
for (ObjectRestriction objectRestriction : restrictions) {
for (RestrictionHandler<?> restrictionHandler : restrictionHandlers) {
restrictionHandler.process(objectRestriction, artifactData, collector, scope);
}
}
}
}
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