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jetty嵌入式使用     所属分类 jetty 浏览量 1467
自定义处理器handler 
servlet
webapp

7.6.20.v20160902
pom依赖 组件
javax.servlet:servlet-api:2.5

org.eclipse.jetty
jetty-server
jetty-servlet
jetty-webapp
jetty-jsp



自定义handler import java.io.IOException; import java.util.Date; import javax.servlet.ServletException; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.eclipse.jetty.server.Request; import org.eclipse.jetty.server.Server; import org.eclipse.jetty.server.handler.AbstractHandler; public class HelloWorld extends AbstractHandler { public void handle(String target, Request baseRequest, HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException { System.out.println("target="+target); response.setContentType("text/html;charset=utf-8"); response.setStatus(HttpServletResponse.SC_OK); baseRequest.setHandled(true); response.getWriter().println("hello world,"+new Date()); } public static void main(String[] args) throws Exception { int port = 8080; System.out.println("port="+port); Server server = new Server(port); server.setHandler(new HelloWorld()); server.start(); server.join(); } } 可自定义handler , 实现 restfull 框架
servlet import java.io.IOException; import java.util.Date; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.eclipse.jetty.server.Server; import org.eclipse.jetty.servlet.ServletHandler; public class HelloServletMain { public static void main(String[] args) throws Exception { int port = 8080; Server server = createServer(port); server.start(); server.join(); } public static Server createServer(int port) { Server server = new Server(port); // 引入 jetty-servlet ServletHandler handler = new ServletHandler(); server.setHandler(handler); handler.addServletWithMapping(HelloServlet.class, "/*"); return server; } @SuppressWarnings("serial") public static class HelloServlet extends HttpServlet { @Override protected void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException { response.setStatus(HttpServletResponse.SC_OK); response.setContentType("text/html"); response.setCharacterEncoding("utf-8"); response.getWriter().println("Hello Servlet,"+new Date()); } } }
webapp import org.eclipse.jetty.server.Server; import org.eclipse.jetty.webapp.WebAppContext; public class HelloAppMain { public static Server createServer(int port) { Server server = new Server(port); WebAppContext webapp = new WebAppContext(); webapp.setContextPath("/"); // File warFile = JettyDistribution.resolve("demo-base/webapps/async-rest.war").toFile(); // webapp.setWar(warFile.getAbsolutePath()); webapp.setResourceBase("/Users/dugang/work/xdemo/webapp/"); server.setHandler(webapp); return server; } public static void main(String[] args) throws Exception { int port = 8080; Server server = createServer(port); server.start(); server.dumpStdErr(); server.join(); } } org.eclipse.jetty.webapp.WebAppClassLoader public class WebAppClassLoader extends URLClassLoader
可能的错误 JSP support not configured 添加依赖 jetty-jsp java.lang.NoSuchMethodError: javax.servlet.http.HttpServletRequest.isAsyncStarted() jetty版本太高,servlet-api版本太低 , 可以先使用低版本的jetty 完整代码 https://gitee.com/dyyx/xdemo/tree/master/src/main/java/dyyx/jetty Embedding Jetty https://www.eclipse.org/jetty/documentation/current/embedding-jetty.html

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