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/* Copyright 2004, 2005, 2006 Acegi Technology Pty Limited
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.acegisecurity.providers.rememberme;

import org.acegisecurity.GrantedAuthority;

import org.acegisecurity.providers.AbstractAuthenticationToken;

import org.springframework.util.Assert;

import java.io.Serializable;


/**
 * Represents a remembered Authentication.

A remembered Authentication must provide a * fully valid Authentication, including the GrantedAuthority[]s that apply.

* * @author Ben Alex * @version $Id: RememberMeAuthenticationToken.java 1496 2006-05-23 13:38:33Z benalex $ */ public class RememberMeAuthenticationToken extends AbstractAuthenticationToken implements Serializable { //~ Instance fields ================================================================================================ private Object principal; private int keyHash; //~ Constructors =================================================================================================== /** * Constructor. * * @param key to identify if this object made by an authorised client * @param principal the principal (typically a UserDetails) * @param authorities the authorities granted to the principal * * @throws IllegalArgumentException if a null was passed */ public RememberMeAuthenticationToken(String key, Object principal, GrantedAuthority[] authorities) { super(authorities); if ((key == null) || ("".equals(key)) || (principal == null) || "".equals(principal) || (authorities == null) || (authorities.length == 0)) { throw new IllegalArgumentException("Cannot pass null or empty values to constructor"); } for (int i = 0; i < authorities.length; i++) { Assert.notNull(authorities[i], "Granted authority element " + i + " is null - GrantedAuthority[] cannot contain any null elements"); } this.keyHash = key.hashCode(); this.principal = principal; setAuthenticated(true); } //~ Methods ======================================================================================================== public boolean equals(Object obj) { if (!super.equals(obj)) { return false; } if (obj instanceof RememberMeAuthenticationToken) { RememberMeAuthenticationToken test = (RememberMeAuthenticationToken) obj; if (this.getKeyHash() != test.getKeyHash()) { return false; } return true; } return false; } /** * Always returns an empty String * * @return an empty String */ public Object getCredentials() { return ""; } public int getKeyHash() { return this.keyHash; } public Object getPrincipal() { return this.principal; } }




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