德州市住房和城乡建设局网站,wordpress 侧栏,在线短网址缩短工具,南磨房做网站公司2024年10月14日14:17:07—0.6.0 java-实现一个简单的httpserver-0.6.0 背景功能具体代码打印 背景
通常写了一些接口#xff0c;需要通过临时的http访问#xff0c;又不需要spring这么厚重的框架
功能
设置并发监控并发两个get请求一个是根路径#xff0c;一个是other增加… 2024年10月14日14:17:07—0.6.0 java-实现一个简单的httpserver-0.6.0 背景功能具体代码打印 背景
通常写了一些接口需要通过临时的http访问又不需要spring这么厚重的框架
功能
设置并发监控并发两个get请求一个是根路径一个是other增加了一个post请求的方法other1
具体代码
import com.sun.net.httpserver.HttpExchange;
import com.sun.net.httpserver.HttpHandler;
import com.sun.net.httpserver.HttpServer;import java.io.IOException;
import java.io.OutputStream;
import java.net.InetSocketAddress;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.stream.Collectors;public class server {private static AtomicInteger concurrentConnections new AtomicInteger(0);public static void main(String[] args) throws IOException {HttpServer server HttpServer.create(new InetSocketAddress(localhost, 8222), 0);// 处理根路径get请求server.createContext(/, new RootHandler());// 处理 /other 路径get请求server.createContext(/other, new OtherHandler());// 处理 /other1 路径post请求server.createContext(/other1, new Other1Handler());// 设置并发连接数server.setExecutor(java.util.concurrent.Executors.newFixedThreadPool(10));server.start();System.out.println(Server started on port 8000.);// 定期打印当前并发连接数new Thread(() - {while (true) {try {Thread.sleep(5000);System.out.println(Current concurrent connections: concurrentConnections.get());} catch (InterruptedException e) {Thread.currentThread().interrupt();}}}).start();}static class RootHandler implements HttpHandler {Overridepublic void handle(HttpExchange exchange) throws IOException {concurrentConnections.incrementAndGet();if (GET.equals(exchange.getRequestMethod())) {String response Hello from root path!;exchange.sendResponseHeaders(200, response.length());OutputStream os exchange.getResponseBody();os.write(response.getBytes());os.close();// 监控连接释放事件System.out.println(root Connection released);}concurrentConnections.decrementAndGet();}}static class OtherHandler implements HttpHandler {Overridepublic void handle(HttpExchange exchange) throws IOException {concurrentConnections.incrementAndGet();if (GET.equals(exchange.getRequestMethod())) {String response This is a response for /other path.;exchange.sendResponseHeaders(200, response.length());OutputStream os exchange.getResponseBody();os.write(response.getBytes());os.close();}// 监控连接释放事件System.out.println(/other Connection released);concurrentConnections.decrementAndGet();}}static class Other1Handler implements HttpHandler {Overridepublic void handle(HttpExchange exchange) throws IOException {concurrentConnections.incrementAndGet();if (POST.equals(exchange.getRequestMethod())) {String response This is a response for /other1 post path.;exchange.sendResponseHeaders(200, response.length());OutputStream os exchange.getResponseBody();os.write(response.getBytes());os.close();}// 监控连接释放事件System.out.println(/other Connection released);concurrentConnections.decrementAndGet();}}
}
打印
root Connection released
Current concurrent connections: 0
/other Connection released
root Connection released
/other Connection released
/other Connection released
/other Connection released
/other Connection released
/other Connection released
Current concurrent connections: 0
/other Connection released
/other Connection released
/other Connection released
root Connection released
Current concurrent connections: 0
Current concurrent connections: 0
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