spring UriComponentsContributor 源码
spring UriComponentsContributor 代码
文件路径：/spring-web/src/main/java/org/springframework/web/method/support/UriComponentsContributor.java
/*
* Copyright 2002-2017 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
*
* 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.web.method.support;
import java.util.Map;
import org.springframework.core.MethodParameter;
import org.springframework.core.convert.ConversionService;
import org.springframework.web.util.UriComponents;
import org.springframework.web.util.UriComponentsBuilder;
/**
* Strategy for contributing to the building of a {@link UriComponents} by
* looking at a method parameter and an argument value and deciding what
* part of the target URL should be updated.
*
* @author Oliver Gierke
* @author Rossen Stoyanchev
* @since 4.0
*/
public interface UriComponentsContributor {
/**
* Whether this contributor supports the given method parameter.
*/
boolean supportsParameter(MethodParameter parameter);
/**
* Process the given method argument and either update the
* {@link UriComponentsBuilder} or add to the map with URI variables
* to use to expand the URI after all arguments are processed.
* @param parameter the controller method parameter (never {@code null})
* @param value the argument value (possibly {@code null})
* @param builder the builder to update (never {@code null})
* @param uriVariables a map to add URI variables to (never {@code null})
* @param conversionService a ConversionService to format values as Strings
*/
void contributeMethodArgument(MethodParameter parameter, Object value, UriComponentsBuilder builder,
Map<String, Object> uriVariables, ConversionService conversionService);
}
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