Atitit atimvc rest原理与自定义实现t33 目录 1.1. Web.xml 1 1.2. MvcFilter 2 1.3. jerserMeth 4 原理 过滤器 过滤即可

Atitit atimvc rest原理与自定义实现t33

 

 

目录

1.1. Web.xml 1

1.2. MvcFilter 2

1.3. jerserMeth 4

 

原理  过滤器  过滤即可

/tomcatx/src/restpkg/jerserMeth.java

1. 1. Web.xml

 

<?xml version="1.0" encoding="UTF-8"?>

<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5">

  <display-name>js_jsp_utf8</display-name>

  <welcome-file-list>

    <welcome-file>index.html</welcome-file>

    <welcome-file>index.htm</welcome-file>

    <welcome-file>index.jsp</welcome-file>

    <welcome-file>default.html</welcome-file>

    <welcome-file>default.htm</welcome-file>

    <welcome-file>default.jsp</welcome-file>

  </welcome-file-list>

  

  

  

  <!--用于定义 RESTful Web Service 接口-->

<servlet>

  <servlet-name>JerseyServlet</servlet-name>

  <servlet-class>org.glassfish.jersey.servlet.ServletContainer</servlet-class>

  <init-param>

    <param-name>javax.ws.rs.Application</param-name>

    <param-value>restpkg.jerseyCfg</param-value>

  </init-param>

 

  <load-on-startup>1</load-on-startup>

</servlet>

<servlet-mapping>

  <servlet-name>JerseyServlet</servlet-name>

  <url-pattern>/services/*</url-pattern>

</servlet-mapping>

  

</web-app>

1. 1. MvcFilter 

package restpkg;

 

import java.io.File;

import java.io.IOException;

import java.lang.reflect.InvocationTargetException;

import java.lang.reflect.Method;

import java.lang.reflect.Parameter;

import java.util.List;

import java.util.Map;

import java.util.function.Consumer;

 

import javax.servlet.Filter;

import javax.servlet.FilterChain;

import javax.servlet.FilterConfig;

import javax.servlet.ServletException;

import javax.servlet.ServletOutputStream;

import javax.servlet.ServletRequest;

import javax.servlet.ServletResponse;

import javax.servlet.annotation.WebFilter;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import javax.swing.text.html.HTMLDocument.HTMLReader.IsindexAction;

 

import org.apache.commons.io.FileUtils;

import org.apache.commons.lang3.ObjectUtils;

import org.apache.commons.lang3.reflect.ConstructorUtils;

 

import com.attilax.mvc.MethodObj;

import com.attilax.mvc.MvcUtil;

import com.google.common.base.Objects;

import com.google.common.collect.Lists;

import com.google.common.collect.Maps;

 

//@Component

@WebFilter(urlPatterns = "/*", filterName = "mvcFilter")

public class MvcFilter implements Filter {

 

@Override

public void destroy() {

// TODO Auto-generated method stub

 

}

 

@Override

public void doFilter(ServletRequest arg0, ServletResponse arg1, FilterChain arg2) {

try {

 

// get url out mapper

List list = Lists.newArrayList();

list.add(jerserMeth.class);

Map<String, MethodObj> url_method_maps = MvcUtil.get_url_out_mapper(list);

 

HttpServletRequest httpServletRequest = (HttpServletRequest) arg0;

HttpServletResponse httpServletResponse = (HttpServletResponse) arg1;

String uri = httpServletRequest.getRequestURI();

System.out.println(uri);

 

if (url_method_maps.get(uri) == null) {

arg2.doFilter(arg0, arg1);

return;

}

MethodObj MethodObj1 = url_method_maps.get(uri);

 

Object classObj = ConstructorUtils.invokeConstructor(MethodObj1.classProp, null);

Method meth = MethodObj1.methodProp;

Object ivkrzt = meth.invoke(classObj, httpServletRequest, httpServletResponse);

// outputHtml(httpServletResponse, r);

System.out.println("==ivkrzt:" + ivkrzt);

return; // not to next ,beirs springmvc show err,cause cant this mappering

// arg2.doFilter(arg0, arg1);

 

} catch (Exception e) {

throw new RuntimeException(e);

}

}

 

// private List getMycomponentClassList() {

// List li_allclass=Lists.newArrayList();

// li_allclass.add(MvcCtrol.class);

//

// List li= Lists.newArrayList();

// classList.add();

//

// }

 

@Override

public void init(FilterConfig arg0) throws ServletException {

// TODO Auto-generated method stub

 

}

 

}

 

1. 1. jerserMeth 

 

package restpkg;

 

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import javax.ws.rs.GET;

import javax.ws.rs.Path;

 

import com.attilax.mvc.MvcUtil;

 

public class jerserMeth {

 

 

   //   http://localhost/services/t?aaa  

 

@Path("/t")

public String get(HttpServletRequest httpServletRequest,HttpServletResponse httpServletResponse) {

MvcUtil.outputHtml(httpServletResponse, "hhh");

    return "thing";

}

 

}