spring security PortResolver 源码
spring security PortResolver 代码
文件路径：/web/src/main/java/org/springframework/security/web/PortResolver.java
/*
* Copyright 2004, 2005, 2006 Acegi Technology Pty Limited
*
* 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.web;
import jakarta.servlet.ServletRequest;
/**
* A <code>PortResolver</code> determines the port a web request was received on.
*
* <P>
* This interface is necessary because <code>ServletRequest.getServerPort()</code> may not
* return the correct port in certain circumstances. For example, if the browser does not
* construct the URL correctly after a redirect.
* </p>
*
* @author Ben Alex
*/
public interface PortResolver {
/**
* Indicates the port the <code>ServletRequest</code> was received on.
* @param request that the method should lookup the port for
* @return the port the request was received on
*/
int getServerPort(ServletRequest request);
}
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