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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.model.access;
import java.util.Collection;
import org.eclipse.osee.framework.core.data.ArtifactToken;
import org.eclipse.osee.framework.core.data.AttributeTypeId;
import org.eclipse.osee.framework.core.data.BranchId;
import org.eclipse.osee.framework.core.data.IArtifactType;
import org.eclipse.osee.framework.core.data.RelationTypeSide;
import org.eclipse.osee.framework.core.enums.PermissionEnum;
import org.eclipse.osee.framework.jdk.core.type.OseeCoreException;
/**
* @author Jeff C. Phillips
* @author Roberto E. Escobar
*/
public class AccessDataQuery {
private final AccessData accessData;
public AccessDataQuery(AccessData accessData) {
this.accessData = accessData;
}
@Override
public String toString() {
return accessData.toString();
}
public void branchMatches(PermissionEnum permissionToMatch, BranchId branchToMatch, PermissionStatus permissionStatus) throws OseeCoreException {
Collection<AccessDetail<?>> branchAccessDetails = accessData.getAccess(branchToMatch);
setTypePermissionStatus(permissionStatus, permissionToMatch, branchAccessDetails, branchToMatch);
}
public void branchArtifactTypeMatches(PermissionEnum permissionToMatch, BranchId branchToMatch, IArtifactType artifactType, PermissionStatus permissionStatus) throws OseeCoreException {
branchMatches(permissionToMatch, branchToMatch, permissionStatus);
if (permissionStatus.matched()) {
Collection<AccessDetail<?>> branchAccessDetails = accessData.getAccess(branchToMatch);
setTypePermissionStatus(permissionStatus, permissionToMatch, branchAccessDetails, artifactType);
}
}
public void artifactTypeMatches(PermissionEnum permissionToMatch, ArtifactToken artifact, PermissionStatus permissionStatus) throws OseeCoreException {
IArtifactType typeToMatch = artifact.getArtifactType();
BranchId branchToMatch = artifact.getBranch();
branchArtifactTypeMatches(permissionToMatch, branchToMatch, typeToMatch, permissionStatus);
if (permissionStatus.matched()) {
Collection<AccessDetail<?>> artifactAccessDetails = accessData.getAccess(artifact);
setTypePermissionStatus(permissionStatus, permissionToMatch, artifactAccessDetails, artifact);
}
}
public void artifactMatches(PermissionEnum permissionToMatch, ArtifactToken artifact, PermissionStatus permissionStatus) throws OseeCoreException {
BranchId branchToMatch = artifact.getBranch();
branchMatches(permissionToMatch, branchToMatch, permissionStatus);
if (permissionStatus.matched()) {
Collection<AccessDetail<?>> mainList = accessData.getAccess(artifact);
AccessDetail<?> mostSpecific = getNetAccess(mainList, new AccessFilter() {
@Override
public boolean accept(AccessDetail<?> access) {
return access.getAccessObject().equals(artifact) || access.getAccessObject().equals(
artifact.getArtifactType());
}
});
setPermissionStatus(permissionStatus, permissionToMatch, mostSpecific);
}
}
private class ObjectFilter implements AccessFilter {
Object toFilter;
ObjectFilter(Object toFilter) {
this.toFilter = toFilter;
}
@Override
public boolean accept(AccessDetail<?> access) {
return access.getAccessObject().equals(toFilter);
}
}
private class RelationTypeSideFilter implements AccessFilter {
RelationTypeSide toFilter;
RelationTypeSideFilter(RelationTypeSide toFilter) {
this.toFilter = toFilter;
}
@Override
public boolean accept(AccessDetail<?> access) {
if (access.getAccessObject() instanceof RelationTypeSide) {
RelationTypeSide toCheck = (RelationTypeSide) access.getAccessObject();
return toCheck.getSide().equals(toFilter.getSide()) && toCheck.getGuid().equals(toFilter.getGuid());
}
return false;
}
}
public void attributeTypeMatches(PermissionEnum permissionToMatch, ArtifactToken artifact, final AttributeTypeId attributeType, PermissionStatus permissionStatus) throws OseeCoreException {
artifactMatches(permissionToMatch, artifact, permissionStatus);
if (permissionStatus.matched()) {
Collection<AccessDetail<?>> branchAccessDetails = accessData.getAccess(artifact.getBranch());
AccessFilter filter = new ObjectFilter(attributeType);
AccessDetail<?> branchPermission = getNetAccess(branchAccessDetails, filter);
setPermissionStatus(permissionStatus, permissionToMatch, branchPermission);
if (permissionStatus.matched()) {
Collection<AccessDetail<?>> artifactAccessDetails = accessData.getAccess(artifact);
AccessDetail<?> attributePermission = getNetAccess(artifactAccessDetails, filter);
setPermissionStatus(permissionStatus, permissionToMatch, attributePermission);
}
}
}
public void relationTypeMatches(PermissionEnum permissionToMatch, ArtifactToken artifact, RelationTypeSide relationTypeSide, PermissionStatus permissionStatus) throws OseeCoreException {
BranchId branchToMatch = artifact.getBranch();
branchMatches(permissionToMatch, branchToMatch, permissionStatus);
if (permissionStatus.matched()) {
Collection<AccessDetail<?>> relationAccessDetails = accessData.getAccess(artifact);
AccessFilter filter = new RelationTypeSideFilter(relationTypeSide);
AccessDetail<?> relationDetail = getNetAccess(relationAccessDetails, filter);
setPermissionStatus(permissionStatus, permissionToMatch, relationDetail);
}
}
public boolean matchesAll(PermissionEnum permissionToMatch) throws OseeCoreException {
PermissionStatus permissionStatus = new PermissionStatus();
for (Object objectKey : accessData.keySet()) {
if (objectKey instanceof ArtifactToken) {
artifactMatches(permissionToMatch, (ArtifactToken) objectKey, permissionStatus);
} else if (objectKey instanceof BranchId) {
branchMatches(permissionToMatch, (BranchId) objectKey, permissionStatus);
}
if (!permissionStatus.matched()) {
break;
}
}
return permissionStatus.matched();
}
private <T> void setTypePermissionStatus(PermissionStatus permissionStatus, PermissionEnum permissionToMatch, Collection<AccessDetail<?>> accessDetails, T toMatch) {
AccessFilter filter = new ObjectFilter(toMatch);
AccessDetail<?> accessDetail = getNetAccess(accessDetails, filter);
setPermissionStatus(permissionStatus, permissionToMatch, accessDetail);
}
private void setPermissionStatus(PermissionStatus status, PermissionEnum permissionToMatch, AccessDetail<?> mostSpecific) {
if (mostSpecific == null) {
return;
}
if (mostSpecific.getPermission() == null) {
status.setMatches(false);
} else {
boolean matches = mostSpecific.getPermission().matches(permissionToMatch);
if (!matches) {
status.setReason(mostSpecific.getReason());
}
status.setMatches(matches);
}
}
private interface AccessFilter {
public boolean accept(AccessDetail<?> access);
}
private AccessDetail<?> getNetAccess(Collection<AccessDetail<?>> toFilter, AccessFilter filter) {
AccessDetail<?> mostSpecific = null;
for (AccessDetail<?> entry : toFilter) {
if (filter.accept(entry)) {
mostSpecific = AccessDetail.resolveAccess(mostSpecific, entry);
}
}
return mostSpecific;
}
}
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