wal*_*llE 45 jsf jsp jetty eclipse-rcp embedded-jetty
我用嵌入式Jetty创建了一个RCP插件,如下所示:
1)在plugin.xml - > Dependencies中,我添加了以下内容:
org.eclipse.equinox.http.jetty
org.eclipse.equinox.http.registry
org.mortbay.jetty.server
javax.servlet
2)在plugin.xml - > Extensions中,我添加了一个Servlet扩展点(org.eclipse.equinox.http.registry.servlet)
class: TemperatureServlet
alias:/temperature
该TemperatureServlet看起来是这样的:
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class TemperatureServlet extends HttpServlet {
protected void doGet(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
System.out.println("doGet Called");
resp.sendRedirect("Convertor.jsp");
}
}
Convertor.jsp文件如下所示:
<%@ page language="java" contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1"%>
<%@ taglib prefix="f" uri="http://java.sun.com/jsf/core"%>
<%@ taglib prefix="h" uri="http://java.sun.com/jsf/html"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<f:view>
<h:form>
<h:panelGrid columns="2">
<h:outputLabel value="Celsius"></h:outputLabel>
<h:inputText value="#{temperatureConvertor.celsius}"></h:inputText>
</h:panelGrid>
<h:commandButton action="#{temperatureConvertor.celsiusToFahrenheit}" value="Calculate"></h:commandButton>
<h:commandButton action="#{temperatureConvertor.reset}" value="Reset"></h:commandButton>
<h:messages layout="table"></h:messages>
</h:form>
<h:panelGroup rendered="#{temperatureConvertor.initial!=true}">
<h3> Result </h3>
<h:outputLabel value="Fahrenheit "></h:outputLabel>
<h:outputLabel value="#{temperatureConvertor.fahrenheit}"></h:outputLabel>
</h:panelGroup>
</f:view>
</body>
</html>
faces-config.xml文件包含:
<?xml version="1.0" encoding="UTF-8"?>
<faces-config
xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-facesconfig_2_0.xsd"
version="2.0">
<managed-bean>
<managed-bean-name>temperatureConvertor</managed-bean-name>
<managed-bean-class>hellojsf.TemperatureConvertor</managed-bean-class>
<managed-bean-scope>session</managed-bean-scope>
</managed-bean>
</faces-config>
我的插件有以下层次结构:
plugin-name
---src
------class package
---------Activator.java
---------Application.java
---------ApplicationActionBarAdvisor.java
---------ApplicationWorkbenchWindowAdvisor.java
---------Perspective.java
---------TemperatureConvertor.java
---------TemperatureServlet.java
---META-INF
------MANIFEST.MF
---resources
-------WebContent
----------WEB-INF
-------------faces-config.xml
-------------web.xml
----------Convertor.jsp
---plugin.xml
在Activator类中,方法start(),我已经启动了这样的Web服务器:
public void start(BundleContext context) throws Exception {
super.start(context);
plugin = this;
Bundle bundle = Platform.getBundle("org.eclipse.equinox.http.registry");
if (bundle.getState() == Bundle.RESOLVED) {
bundle.start(Bundle.START_TRANSIENT);
}
Dictionary settings = new Hashtable();
settings.put("http.enabled", Boolean.TRUE);
settings.put("http.port", 8080);
settings.put("http.host", "0.0.0.0");
settings.put("https.enabled", Boolean.FALSE);
settings.put("context.path", "/");
settings.put("context.sessioninactiveinterval", 1800);
try {
JettyConfigurator.startServer(PLUGIN_ID + ".jetty", settings);
} catch (Exception e) {
e.printStackTrace();
}
}
对于这个插件,我还添加了以下库:
启动应用程序后,如果我在浏览器中输入localhost:8080/temperature
它不知道在哪里可以找到Convertor.jsp.我的问题是:如何配置此插件以了解资源位置WebContent和最重要的,我如何配置插件以了解如何处理JSF以及了解faces-config.xml和web.xml.
例如,当我定义扩展org.eclipse.equinox.http.registry.servlets时,我可以这样做吗？class:javax.faces.webapp.FacesServlet alis:/*.jsp
(所有文件*.jsp由FacesServlet处理)？
非常感谢,如果问题很愚蠢,我很抱歉,但我是RCP插件,Jetty和JSF的新领域.
看一下在 jetty 中设置上下文。您可以在启动服务器之前定义它。
public class OneWebApp
{
public static void main(String[] args) throws Exception
{
String jetty_home = System.getProperty("jetty.home","..");
Server server = new Server(8080);
WebAppContext webapp = new WebAppContext();
webapp.setContextPath("/");
webapp.setWar(jetty_home+"/webapps/test.war");
server.setHandler(webapp);
server.start();
server.join();
}
}
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