- /*
- * @(#)UnixPrincipal.java 1.9 03/12/19
- *
- * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
- * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
- */
-
- package com.sun.security.auth;
-
- import java.security.Principal;
-
- /**
- * <p> This class implements the <code>Principal</code> interface
- * and represents a Unix user.
- *
- * <p> Principals such as this <code>UnixPrincipal</code>
- * may be associated with a particular <code>Subject</code>
- * to augment that <code>Subject</code> with an additional
- * identity. Refer to the <code>Subject</code> class for more information
- * on how to achieve this. Authorization decisions can then be based upon
- * the Principals associated with a <code>Subject</code>.
- *
- * @version 1.8, 01/14/00
- * @see java.security.Principal
- * @see javax.security.auth.Subject
- */
- public class UnixPrincipal implements Principal, java.io.Serializable {
-
- private static final long serialVersionUID = -2951667807323493631L;
-
- /**
- * @serial
- */
- private String name;
-
- /**
- * Create a UnixPrincipal with a Unix username.
- *
- * <p>
- *
- * @param name the Unix username for this user.
- *
- * @exception NullPointerException if the <code>name</code>
- * is <code>null</code>.
- */
- public UnixPrincipal(String name) {
- if (name == null) {
- java.text.MessageFormat form = new java.text.MessageFormat
- (sun.security.util.ResourcesMgr.getString
- ("invalid null input: value",
- "sun.security.util.AuthResources"));
- Object[] source = {"name"};
- throw new NullPointerException(form.format(source));
- }
-
- this.name = name;
- }
-
- /**
- * Return the Unix username for this <code>UnixPrincipal</code>.
- *
- * <p>
- *
- * @return the Unix username for this <code>UnixPrincipal</code>
- */
- public String getName() {
- return name;
- }
-
- /**
- * Return a string representation of this <code>UnixPrincipal</code>.
- *
- * <p>
- *
- * @return a string representation of this <code>UnixPrincipal</code>.
- */
- public String toString() {
- java.text.MessageFormat form = new java.text.MessageFormat
- (sun.security.util.ResourcesMgr.getString
- ("UnixPrincipal: name",
- "sun.security.util.AuthResources"));
- Object[] source = {name};
- return form.format(source);
- }
-
- /**
- * Compares the specified Object with this <code>UnixPrincipal</code>
- * for equality. Returns true if the given object is also a
- * <code>UnixPrincipal</code> and the two UnixPrincipals
- * have the same username.
- *
- * <p>
- *
- * @param o Object to be compared for equality with this
- * <code>UnixPrincipal</code>.
- *
- * @return true if the specified Object is equal equal to this
- * <code>UnixPrincipal</code>.
- */
- public boolean equals(Object o) {
- if (o == null)
- return false;
-
- if (this == o)
- return true;
-
- if (!(o instanceof UnixPrincipal))
- return false;
- UnixPrincipal that = (UnixPrincipal)o;
-
- if (this.getName().equals(that.getName()))
- return true;
- return false;
- }
-
- /**
- * Return a hash code for this <code>UnixPrincipal</code>.
- *
- * <p>
- *
- * @return a hash code for this <code>UnixPrincipal</code>.
- */
- public int hashCode() {
- return name.hashCode();
- }
- }