Jetty实战之 嵌入式运作Jetty

Jetty实战之 嵌入式运行Jetty

转载地址：http://blog.csdn.net/kongxx/article/details/7218776

Jetty最常用的一种用法是把Jetty嵌入到自己的Java应用程序中，此时Jetty作为一个后台的Servlet容器运行，接受用户的http请求，下面是一个最简单的嵌入Jetty的用法。

1. 首先使用Maven创建一个java工程

xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.google.code.garbagecan.jettystudy</groupId>
<artifactId>jettystudy</artifactId>
<packaging>jar</packaging>
<version>1.0-SNAPSHOT</version>
<name>jettystudy</name>
<url>http://maven.apache.org</url>
<build>
<plugins>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<inherited>true</inherited>
<configuration>
<source>1.6</source>
<target>1.6</target>
<debug>true</debug>
</configuration>
</plugin>
</plugins>
</build>
<dependencies>
<dependency>
<groupId>org.eclipse.jetty.aggregate</groupId>
<artifactId>jetty-all</artifactId>
<version>8.0.4.v20111024</version>
<type>jar</type>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>3.8.1</version>
<scope>test</scope>
</dependency>
</dependencies>
</project>

?3. 创建一个Server类，用了启动Jetty server，并且通过一个HelloHandler来处理浏览器发送过来的请求；

    package com.google.code.garbagecan.jettystudy.sample1;            import org.eclipse.jetty.server.Server;            public class MyServer {          public static void main(String[] args) throws Exception {              Server server = new Server(8080);              server.setHandler(new HelloHandler());                            server.start();              server.join();          }      }  

?4. 创建一个Handler类，用了处理所有客户端的请求

    package com.google.code.garbagecan.jettystudy.sample1;            import java.io.IOException;            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.handler.AbstractHandler;            public class HelloHandler extends AbstractHandler {          public void handle(String target, Request baseRequest, HttpServletRequest request, HttpServletResponse response)                  throws IOException, ServletException {              response.setContentType("text/html;charset=utf-8");              response.setStatus(HttpServletResponse.SC_OK);              baseRequest.setHandled(true);              response.getWriter().println("<h1>Hello World</h1>");              response.getWriter().println("Request url: " + target);          }      }  

?5. 运行MyServer类，然后通过浏览器访问http://localhost:8080/，可以看到“Hello World！”和请求的url。

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