spring security DispatcherTypeRequestMatcher 源码
spring security DispatcherTypeRequestMatcher 代码
文件路径：/web/src/main/java/org/springframework/security/web/util/matcher/DispatcherTypeRequestMatcher.java
/*
* Copyright 2002-2020 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.web.util.matcher;
import jakarta.servlet.DispatcherType;
import jakarta.servlet.http.HttpServletRequest;
import org.springframework.http.HttpMethod;
import org.springframework.lang.Nullable;
import org.springframework.util.StringUtils;
/**
* Checks the {@link DispatcherType} to decide whether to match a given request.
* {@code HttpServletRequest}.
*
* Can also be configured to match a specific HTTP method.
*
* @author Nick McKinney
* @since 5.5
*/
public class DispatcherTypeRequestMatcher implements RequestMatcher {
private final DispatcherType dispatcherType;
@Nullable
private final HttpMethod httpMethod;
/**
* Creates an instance which matches requests with the provided {@link DispatcherType}
* @param dispatcherType the type to match against
*/
public DispatcherTypeRequestMatcher(DispatcherType dispatcherType) {
this(dispatcherType, null);
}
/**
* Creates an instance which matches requests with the provided {@link DispatcherType}
* and {@link HttpMethod}
* @param dispatcherType the type to match against
* @param httpMethod the HTTP method to match. May be null to match all methods.
*/
public DispatcherTypeRequestMatcher(DispatcherType dispatcherType, @Nullable HttpMethod httpMethod) {
this.dispatcherType = dispatcherType;
this.httpMethod = httpMethod;
}
/**
* Performs the match against the request's method and dispatcher type.
* @param request the request to check for a match
* @return true if the http method and dispatcher type align
*/
@Override
public boolean matches(HttpServletRequest request) {
if (this.httpMethod != null && StringUtils.hasText(request.getMethod())
&& this.httpMethod != HttpMethod.resolve(request.getMethod())) {
return false;
}
return this.dispatcherType == request.getDispatcherType();
}
@Override
public String toString() {
return "DispatcherTypeRequestMatcher{" + "dispatcherType=" + this.dispatcherType + ", httpMethod="
+ this.httpMethod + '}';
}
}
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