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/*___INFO__MARK_BEGIN__*/
/*************************************************************************
*
* The Contents of this file are made available subject to the terms of
* the Sun Industry Standards Source License Version 1.2
*
* Sun Microsystems Inc., March, 2001
*
*
* Sun Industry Standards Source License Version 1.2
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.2 (the "License"); You may not use this file
* except in compliance with the License. You may obtain a copy of the
* License at http://gridengine.sunsource.net/Gridengine_SISSL_license.html
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2001 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
************************************************************************/
/*___INFO__MARK_END__*/
package com.sun.grid.security.login;
import java.security.Principal;
/**
* Generic <code>Principal</code> represent a group of users
*/
public class GroupPrincipal implements
Principal,
java.io.Serializable {
/**
* @serial
*/
private String name;
/**
* @serial
*/
private boolean primaryGroup;
/**
* Create a <code>GroupPrincipal</code> using a
* <code>String</code> representation of the user's
* group name.
*
* <p>
*
* @param name the user's group<p>
*
* @param primaryGroup true if the specified group represents the
* primary group to which this user belongs.
*
* @exception NullPointerException if the <code>name</code>
* is <code>null</code>.
*/
public GroupPrincipal(String name, boolean primaryGroup) {
if (name == null) {
throw new NullPointerException("name must not be null");
}
this.name = name;
this.primaryGroup = primaryGroup;
}
/**
* Create a <code>GroupPrincipal</code> using a
* user's group name.
*
* <p>
*
* @param name the user's group<p>
*
* @param primaryGroup true if the specified group represents the
* primary group to which this user belongs.
*
*/
public GroupPrincipal(long name, boolean primaryGroup) {
this.name = (new Long(name)).toString();
this.primaryGroup = primaryGroup;
}
/**
* Return the user's group name for this
* <code>GroupPrincipal</code>.
*
* <p>
*
* @return the user's group name this
* <code>GroupPrincipal</code>
*/
public String getName() {
return name;
}
/**
* Return whether this group represents
* the primary group to which this user belongs.
*
* <p>
*
* @return true if this name of the group represents
* the primary group to which this user belongs,
* or false otherwise.
*/
public boolean isPrimaryGroup() {
return primaryGroup;
}
/**
* Return a string representation of this
* <code>NumericGroupPrincipal</code>.
*
* <p>
*
* @return a string representation of this
* <code>NumericGroupPrincipal</code>.
*/
public String toString() {
if (primaryGroup) {
return "GroupPrincipal [Primary Group]: name=" + name;
} else {
return "GroupPrincipal [Supplementary Group]: name=" + name;
}
}
/**
* Compares the specified Object with this
* <code>NumericGroupPrincipal</code>
* for equality. Returns true if the given object is also a
* <code>NumericGroupPrincipal</code> and the two
* NumericGroupPrincipals
* have the same group identification number (GID).
*
* <p>
*
* @param o Object to be compared for equality with this
* <code>NumericGroupPrincipal</code>.
*
* @return true if the specified Object is equal equal to this
* <code>NumericGroupPrincipal</code>.
*/
public boolean equals(Object o) {
if (o == null) {
return false;
}
if (this == o) {
return true;
}
if (!(o instanceof GroupPrincipal)) {
return false;
}
GroupPrincipal that = (GroupPrincipal)o;
if (this.getName().equals(that.getName()) &&
this.isPrimaryGroup() == that.isPrimaryGroup()) {
return true;
}
return false;
}
/**
* Return a hash code for this <code>NumericGroupPrincipal</code>.
*
* <p>
*
* @return a hash code for this <code>NumericGroupPrincipal</code>.
*/
public int hashCode() {
return toString().hashCode();
}
}
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