spring security UserDetailsByNameServiceWrapper 源码
spring security UserDetailsByNameServiceWrapper 代码
文件路径：/core/src/main/java/org/springframework/security/core/userdetails/UserDetailsByNameServiceWrapper.java
/*
* Copyright 2002-2016 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
*
* https://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.security.core.userdetails;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.security.core.Authentication;
import org.springframework.util.Assert;
/**
* This implementation for AuthenticationUserDetailsService wraps a regular Spring
* Security UserDetailsService implementation, to retrieve a UserDetails object based on
* the user name contained in an <tt>Authentication</tt> object.
*
* @author Ruud Senden
* @author Scott Battaglia
* @since 2.0
*/
public class UserDetailsByNameServiceWrapper<T extends Authentication>
implements AuthenticationUserDetailsService<T>, InitializingBean {
private UserDetailsService userDetailsService = null;
/**
* Constructs an empty wrapper for compatibility with Spring Security 2.0.x's method
* of using a setter.
*/
public UserDetailsByNameServiceWrapper() {
// constructor for backwards compatibility with 2.0
}
/**
* Constructs a new wrapper using the supplied
* {@link org.springframework.security.core.userdetails.UserDetailsService} as the
* service to delegate to.
* @param userDetailsService the UserDetailsService to delegate to.
*/
public UserDetailsByNameServiceWrapper(final UserDetailsService userDetailsService) {
Assert.notNull(userDetailsService, "userDetailsService cannot be null.");
this.userDetailsService = userDetailsService;
}
/**
* Check whether all required properties have been set.
*
* @see org.springframework.beans.factory.InitializingBean#afterPropertiesSet()
*/
@Override
public void afterPropertiesSet() {
Assert.notNull(this.userDetailsService, "UserDetailsService must be set");
}
/**
* Get the UserDetails object from the wrapped UserDetailsService implementation
*/
@Override
public UserDetails loadUserDetails(T authentication) throws UsernameNotFoundException {
return this.userDetailsService.loadUserByUsername(authentication.getName());
}
/**
* Set the wrapped UserDetailsService implementation
* @param aUserDetailsService The wrapped UserDetailsService to set
*/
public void setUserDetailsService(UserDetailsService aUserDetailsService) {
this.userDetailsService = aUserDetailsService;
}
}
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