- /*
- * @(#)UnixNumericGroupPrincipal.java 1.7 03/01/23
- *
- * Copyright 2003 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 user's Unix group identification number (GID).
- *
- * <p> Principals such as this <code>UnixNumericGroupPrincipal</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 UnixNumericGroupPrincipal implements
- Principal,
- java.io.Serializable {
- /**
- * @serial
- */
- private String name;
-
- /**
- * @serial
- */
- private boolean primaryGroup;
-
- /**
- * Create a <code>UnixNumericGroupPrincipal</code> using a
- * <code>String</code> representation of the user's
- * group identification number (GID).
- *
- * <p>
- *
- * @param name the user's group identification number (GID)
- * for this user. <p>
- *
- * @param primaryGroup true if the specified GID represents the
- * primary group to which this user belongs.
- *
- * @exception NullPointerException if the <code>name</code>
- * is <code>null</code>.
- */
- public UnixNumericGroupPrincipal(String name, boolean primaryGroup) {
- 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;
- this.primaryGroup = primaryGroup;
- }
-
- /**
- * Create a <code>UnixNumericGroupPrincipal</code> using a
- * long representation of the user's group identification number (GID).
- *
- * <p>
- *
- * @param name the user's group identification number (GID) for this user
- * represented as a long. <p>
- *
- * @param primaryGroup true if the specified GID represents the
- * primary group to which this user belongs.
- *
- */
- public UnixNumericGroupPrincipal(long name, boolean primaryGroup) {
- this.name = (new Long(name)).toString();
- this.primaryGroup = primaryGroup;
- }
-
- /**
- * Return the user's group identification number (GID) for this
- * <code>UnixNumericGroupPrincipal</code>.
- *
- * <p>
- *
- * @return the user's group identification number (GID) for this
- * <code>UnixNumericGroupPrincipal</code>
- */
- public String getName() {
- return name;
- }
-
- /**
- * Return the user's group identification number (GID) for this
- * <code>UnixNumericGroupPrincipal</code> as a long.
- *
- * <p>
- *
- * @return the user's group identification number (GID) for this
- * <code>UnixNumericGroupPrincipal</code> as a long.
- */
- public long longValue() {
- return ((new Long(name)).longValue());
- }
-
- /**
- * Return whether this group identification number (GID) represents
- * the primary group to which this user belongs.
- *
- * <p>
- *
- * @return true if this group identification number (GID) represents
- * the primary group to which this user belongs,
- * or false otherwise.
- */
- public boolean isPrimaryGroup() {
- return primaryGroup;
- }
-
- /**
- * Return a string representation of this
- * <code>UnixNumericGroupPrincipal</code>.
- *
- * <p>
- *
- * @return a string representation of this
- * <code>UnixNumericGroupPrincipal</code>.
- */
- public String toString() {
-
- if (primaryGroup) {
- java.text.MessageFormat form = new java.text.MessageFormat
- (sun.security.util.ResourcesMgr.getString
- ("UnixNumericGroupPrincipal [Primary Group]: name",
- "sun.security.util.AuthResources"));
- Object[] source = {name};
- return form.format(source);
- } else {
- java.text.MessageFormat form = new java.text.MessageFormat
- (sun.security.util.ResourcesMgr.getString
- ("UnixNumericGroupPrincipal [Supplementary Group]: name",
- "sun.security.util.AuthResources"));
- Object[] source = {name};
- return form.format(source);
- }
- }
-
- /**
- * Compares the specified Object with this
- * <code>UnixNumericGroupPrincipal</code>
- * for equality. Returns true if the given object is also a
- * <code>UnixNumericGroupPrincipal</code> and the two
- * UnixNumericGroupPrincipals
- * have the same group identification number (GID).
- *
- * <p>
- *
- * @param o Object to be compared for equality with this
- * <code>UnixNumericGroupPrincipal</code>.
- *
- * @return true if the specified Object is equal equal to this
- * <code>UnixNumericGroupPrincipal</code>.
- */
- public boolean equals(Object o) {
- if (o == null)
- return false;
-
- if (this == o)
- return true;
-
- if (!(o instanceof UnixNumericGroupPrincipal))
- return false;
- UnixNumericGroupPrincipal that = (UnixNumericGroupPrincipal)o;
-
- if (this.getName().equals(that.getName()) &&
- this.isPrimaryGroup() == that.isPrimaryGroup())
- return true;
- return false;
- }
-
- /**
- * Return a hash code for this <code>UnixNumericGroupPrincipal</code>.
- *
- * <p>
- *
- * @return a hash code for this <code>UnixNumericGroupPrincipal</code>.
- */
- public int hashCode() {
- return toString().hashCode();
- }
- }