org.wildfly.naming.security.SimpleNamePermissions Maven / Gradle / Ivy
/*
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* Copyright 2016, Red Hat, Inc., 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.wildfly.naming.security;
import org.wildfly.naming.client.SimpleName;
/**
* A class which supports using {@link SimpleName} instances for permission names.
*
* @author David M. Lloyd
*/
public final class SimpleNamePermissions {
private SimpleNamePermissions() {
}
/**
* Determine whether the first name implies the second name.
*
* @param myName the first name (must not be {@code null})
* @param otherName the second name (must not be {@code null})
* @return {@code true} if the first name implies the second name, {@code false} otherwise
*/
public static boolean impliesName(SimpleName myName, SimpleName otherName) {
final int mySize = myName.size();
final int otherSize = otherName.size();
final int len = Math.min(mySize, otherSize);
for (int i = 0; i < len; i ++) {
final String mySeg = myName.get(i);
final String otherSeg = otherName.get(i);
if (mySeg.equals("-")) {
return true;
}
if (otherSeg.equals("-")) {
return false;
}
if (mySeg.equals("*")) {
continue;
}
if (! mySeg.equals(otherSeg)) {
return false;
}
}
return mySize == otherSize;
}
}