org.modeshape.jcr.security.acl.PrivilegeImpl Maven / Gradle / Ivy
/*
* ModeShape (http://www.modeshape.org)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.modeshape.jcr.security.acl;
import java.util.ArrayList;
import javax.jcr.Session;
import javax.jcr.security.Privilege;
import org.modeshape.common.annotation.Immutable;
/**
* Implements JCR privilege object.
*
* Privilege object represents one or more permission.
*
* @author kulikov
*/
@Immutable
public class PrivilegeImpl implements Privilege {
private final static String URI = "http://www.jcp.org/jcr/1.0";
//The name of this privilege.
private String name;
//List of privileges directly contained by this privilege
private Privilege[] declaredPrivileges;
//abstract flag
private boolean isAbstract = false;
private Session session;
/**
* Creates new instance of the privilege object.
*
* @param session session under access control
* @param name the name of privilege.
* @param declaredPrivileges list of privileges aggregated by this object.
*/
public PrivilegeImpl(Session session, String name, Privilege[] declaredPrivileges) {
this.name = name.substring(name.indexOf('}') + 1);
this.declaredPrivileges = declaredPrivileges;
this.session = session;
}
/**
* Creates new instance of the privilege object.
*
* @param session the session under control
* @param name the name of privilege.
* @param declaredPrivileges list of privileges aggregated by this object.
* @param isAbstract true if this is abstract privilege.
*/
public PrivilegeImpl(Session session, String name, Privilege[] declaredPrivileges, boolean isAbstract) {
this.session = session;
this.name = name.substring(name.indexOf('}') + 1);
this.declaredPrivileges = declaredPrivileges;
this.isAbstract = isAbstract;
}
/**
* The name without prefix.
*
* @return name of privilege without prefix
*/
public String localName() {
return name;
}
@Override
public String getName() {
try {
return session.getNamespacePrefix(URI) + ":" + name;
} catch (Exception e) {
//will never happen
return null;
}
}
@Override
public boolean isAbstract() {
return isAbstract;
}
@Override
public boolean isAggregate() {
return this.declaredPrivileges != null && declaredPrivileges.length > 0;
}
@Override
public Privilege[] getDeclaredAggregatePrivileges() {
return this.declaredPrivileges;
}
@Override
public Privilege[] getAggregatePrivileges() {
ArrayList list = new ArrayList();
for (Privilege ap : getDeclaredAggregatePrivileges()) {
aggregate(list, ap);
}
Privilege[] res = new Privilege[list.size()];
list.toArray(res);
return res;
}
/**
* Recursively aggregates privileges for the given privilege.
*
* @param list list which holds all aggregate privileges.
* @param p the given privilege
*/
private void aggregate(ArrayList list, Privilege p) {
list.add(p);
if (p.isAggregate()) {
for (Privilege ap : p.getDeclaredAggregatePrivileges()) {
aggregate(list, ap);
}
}
}
/**
* Tests given privilege.
*
* @param p the given privilege.
* @return true if this privilege equals or aggregates given privilege.
*
*/
public boolean contains(Privilege p) {
if (p.getName().equalsIgnoreCase(this.getName())) {
return true;
}
Privilege[] list = getAggregatePrivileges();
for (Privilege privilege : list) {
if (privilege.getName().equalsIgnoreCase(p.getName())) {
return true;
}
}
return false;
}
@Override
public String toString() {
return getName();
}
@Override
public boolean equals(Object other) {
if (other == null) {
return false;
}
if (!(other instanceof Privilege)) {
return false;
}
return ((Privilege)other).getName().equals(this.getName());
}
@Override
public int hashCode() {
return name.hashCode();
}
}
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