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package org.osgl.mvc.annotation;

/*-

* #%L

* OSGL MVC

* %%

* Copyright (C) 2014 - 2017 OSGL (Open Source General Library)

* %%

* 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%

*/

import java.lang.annotation.ElementType;

import java.lang.annotation.Retention;

import java.lang.annotation.RetentionPolicy;

import java.lang.annotation.Target;

/**

* The {@code Before} annotation is used to mark a

* method (the before interceptor) that should be executed

* before executing controller action method.

*/

@Retention(RetentionPolicy.RUNTIME)

@Target(ElementType.METHOD)

public @interface Before {

/**

* Optionally specify {@code priority} of the before interceptor.

* it's up to the framework to decide how to interpret the

* priority in terms of int value

*/

int priority() default 0;

/**

* Optionally specify the actions that should not

* be intercepted by this before interceptor

*

* @see #only()

*/

String[] except() default {};

/**

* Optionally specify the only actions that should

* be intercepted by this before interceptor

*

* <p>

* Note if both {@code only()} and {@link #except()}

* is specified, and an action method name appears

* in both {@code only()} and {@code except()}, then

* it will NOT be intercepted by this before interceptor

* </p>

*

* @see #except()

*/

String[] only() default {};

}