spring-graphql RequestAttributeFilter 源码

  • 2022-08-16
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spring-graphql RequestAttributeFilter 代码

文件路径:/samples/webmvc-http/src/main/java/io/spring/sample/graphql/greeting/RequestAttributeFilter.java

/*
 * Copyright 2002-2021 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 io.spring.sample.graphql.greeting;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;

import org.springframework.stereotype.Component;

/**
 * Servlet Filter that adds a Servlet request attribute.
 */
@Component
public class RequestAttributeFilter implements Filter {

	public static final String NAME_ATTRIBUTE = RequestAttributeFilter.class.getName() + ".name";

	@Override
	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
			throws IOException, ServletException {
		request.setAttribute(NAME_ATTRIBUTE, "007");
		chain.doFilter(request, response);
	}

}

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