spring JettyHandlerWrappers 源码
springboot JettyHandlerWrappers 代码
文件路径：/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/embedded/jetty/JettyHandlerWrappers.java
/*
* Copyright 2012-2022 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.boot.web.embedded.jetty;
import java.io.IOException;
import jakarta.servlet.ServletException;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import org.eclipse.jetty.http.HttpMethod;
import org.eclipse.jetty.server.Request;
import org.eclipse.jetty.server.handler.HandlerWrapper;
import org.eclipse.jetty.server.handler.gzip.GzipHandler;
import org.springframework.boot.web.server.Compression;
/**
* Jetty {@code HandlerWrapper} static factory.
*
* @author Brian Clozel
*/
final class JettyHandlerWrappers {
private JettyHandlerWrappers() {
}
static HandlerWrapper createGzipHandlerWrapper(Compression compression) {
GzipHandler handler = new GzipHandler();
handler.setMinGzipSize((int) compression.getMinResponseSize().toBytes());
handler.setIncludedMimeTypes(compression.getMimeTypes());
for (HttpMethod httpMethod : HttpMethod.values()) {
handler.addIncludedMethods(httpMethod.name());
}
return handler;
}
static HandlerWrapper createServerHeaderHandlerWrapper(String header) {
return new ServerHeaderHandler(header);
}
/**
* {@link HandlerWrapper} to add a custom {@code server} header.
*/
private static class ServerHeaderHandler extends HandlerWrapper {
private static final String SERVER_HEADER = "server";
private final String value;
ServerHeaderHandler(String value) {
this.value = value;
}
@Override
public void handle(String target, Request baseRequest, HttpServletRequest request, HttpServletResponse response)
throws IOException, ServletException {
if (!response.getHeaderNames().contains(SERVER_HEADER)) {
response.setHeader(SERVER_HEADER, this.value);
}
super.handle(target, baseRequest, request, response);
}
}
}
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- 本文标签： Spring Boot Java Spring
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