/*
* JBoss, Home of Professional Open Source.
* Copyright 2008, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.test.security.test;
import java.io.Serializable;
import java.security.BasicPermission;
import java.util.Comparator;
import java.util.Properties;
import javax.naming.CompoundName;
import javax.naming.Name;
import javax.naming.NamingException;
/** A javax.naming.Name based key class used as the name attribute
by NamespacePermissions.
@author Scott.Stark@jboss.org
@version $Revision: 81036 $
*/
public class PermissionName implements Comparable, Serializable
{
/** The Properties used for the project directory heirarchical names */
static Name emptyName;
static Properties nameSyntax = new Properties();
static
{
nameSyntax.put("jndi.syntax.direction", "left_to_right");
nameSyntax.put("jndi.syntax.separator", "/");
try
{
emptyName = new CompoundName("", nameSyntax);
}
catch(NamingException e)
{
}
}
private Name name;
/** An alternate PermissionName comparator that first orders names by
length(longer names before shorter names) to ensure that the most
precise names are seen first.
*/
public static class NameLengthComparator implements Comparator
{
public int compare(Object o1, Object o2)
{
PermissionName p1 = (PermissionName) o1;
PermissionName p2 = (PermissionName) o2;
// if p1 is longer than p2, its < p2 -> < 0
int compare = p2.size() - p1.size();
if( compare == 0 )
compare = p1.compareTo(p2);
return compare;
}
}
/** Creates new NamespacePermission */
public PermissionName(String name) throws IllegalArgumentException
{
try
{
this.name = new CompoundName(name, nameSyntax);
}
catch(NamingException e)
{
throw new IllegalArgumentException(e.toString(true));
}
}
public PermissionName(Name name)
{
this.name = name;
}
public int compareTo(Object obj)
{
PermissionName pn = (PermissionName) obj;
/* Each level must be compared. The first level to not be equals
determines the ordering of the names.
*/
int compare = name.size() - pn.name.size();
int length = Math.min(name.size(), pn.name.size());
for(int n = 0; compare == 0 && n < length; n ++)
{
String atom0 = name.get(n);
String atom1 = pn.name.get(n);
compare = atom0.compareTo(atom1);
}
return compare;
}
public boolean equals(Object obj)
{
return compareTo(obj) == 0;
}
public int hashCode()
{
return name.hashCode();
}
public int size()
{
return name.size();
}
public boolean isParent(PermissionName childName)
{
boolean isParent = childName.name.startsWith(name);
return isParent;
}
public String toString()
{
return name.toString();
}
}