grails.plugin.springsecurity.authentication.GrailsAnonymousAuthenticationProvider.java Source code

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Here is the source code for grails.plugin.springsecurity.authentication.GrailsAnonymousAuthenticationProvider.java

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/* Copyright 2013-2015 SpringSource.
 *
 * 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 grails.plugin.springsecurity.authentication;

import org.springframework.security.authentication.AuthenticationProvider;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.AuthenticationException;

/**
 * @author <a href='mailto:burt@burtbeckwith.com'>Burt Beckwith</a>
 */
public class GrailsAnonymousAuthenticationProvider implements AuthenticationProvider {

    public Authentication authenticate(Authentication authentication) throws AuthenticationException {
        return supports(authentication.getClass()) ? authentication : null;
    }

    public boolean supports(Class<?> authenticationClass) {
        return GrailsAnonymousAuthenticationToken.class.isAssignableFrom(authenticationClass);
    }
}