/*
 * 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.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)
@ConditionalOnMissingBean(WebSecurityConfiguration.class)
@ConditionalOnWebApplication(type = ConditionalOnWebApplication.Type.SERVLET)
@EnableWebSecurity
public class WebSecurityEnablerConfiguration {

}

@@ -673,16 +673,46 @@
 urity;%0A%0A
+import javax.servlet.Filter;%0A%0A
 import o
@@ -774,24 +774,24 @@
 onalOnBean;%0A
-
 import org.s
@@ -1040,106 +1040,8 @@
 ty;%0A
-import org.springframework.security.config.annotation.web.configuration.WebSecurityConfiguration;%0A
 impo
@@ -1226,14 +1226,13 @@
 * %7B@
-code @
+link 
 Enab
@@ -1260,39 +1260,8 @@
 tion
- if it is not already specified
 . Th
@@ -1432,16 +1432,186 @@
 otation.
+ If %7B@link EnableWebSecurity%7D%0A * has already been added or if a %7B@link Filter%7D with name springSecurityFilterChain%0A * has been configured by the user, this will back-off.
 %0A *%0A * @
@@ -1736,38 +1736,64 @@
 ean(
-WebSecurityConfiguration.class
+value = Filter.class, name = %22springSecurityFilterChain%22
 )%0A@C

Change condition for adding @EnableWebSecurity