/*
 * Copyright 2012-2017 the original author or authors.
 *
 * 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.springframework.boot.autoconfigure.security;

import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfiguration;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;

/**
 * If there is a bean of type WebSecurityConfigurerAdapter, this adds the
 * {@code @EnableWebSecurity} annotation if it is not already specified. This will make
 * sure that the annotation is present with default security auto-configuration and also
 * if the user adds custom security and forgets to add the annotation.
 *
 * @author Madhura Bhave
 * @since 2.0.0
 */
@ConditionalOnBean(WebSecurityConfigurerAdapter.class)
@ConditionalOnClass(EnableWebSecurity.class)
@ConditionalOnMissingBean(WebSecurityConfiguration.class)
@ConditionalOnWebApplication(type = ConditionalOnWebApplication.Type.SERVLET)
@EnableWebSecurity
public class WebSecurityEnablerConfiguration {
}

