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/*
 * #%L
 * Wisdom-Framework
 * %%
 * Copyright (C) 2013 - 2014 Wisdom Framework
 * %%
 * 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.
 * #L%
 */
package org.wisdom.api.security;

import org.wisdom.api.annotations.Interception;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * Annotation instructing Wisdom to check for the authentication of the user when calling annotated controller and
 * action methods.
 * 
 * The check relies on {@link org.wisdom.api.security.Authenticator} services. This means that if there are not
 * providers of such service, the action cannot be called. When several providers are available,
 * the {@link #value()} method let you specify the implementation to use.
 */
@Interception
@Target({ElementType.TYPE, ElementType.METHOD})
@Retention(RetentionPolicy.RUNTIME)
public @interface Authenticated {

    /**
     * @return the name of the authenticator to use. If not set, an implementation will be picked automatically.
     */
    String value() default "";
}