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vison.cao
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static and pebble
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15 files changed

+628
-43
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15 files changed

+628
-43
lines changed

‎pom.xml

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@@ -55,6 +55,11 @@
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<artifactId>reflections</artifactId>
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<version>0.9.12</version>
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</dependency>
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<dependency>
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<groupId>io.pebbletemplates</groupId>
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<artifactId>pebble</artifactId>
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<version>3.1.4</version>
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</dependency>
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</dependencies>
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<build>

‎src/main/java/com/vison/webmvc/controller/HelloController.java

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package com.vison.webmvc.controller;
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import com.vison.webmvc.framework.GetMapping;
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import com.vison.webmvc.framework.ViewEngine;
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import java.io.IOException;
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import java.util.HashMap;
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import java.util.Map;
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/**
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*
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* @author vison.cao <visonforcoding@gmail.com>
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*/
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public class HelloController {
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@GetMapping(path = "/hello")
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public String hello() throws IOException {
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Map<String, Object> context = new HashMap<>();
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context.put("vison", "visonforcoding");
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return ViewEngine.render("/hello.pebble", context);
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}
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}

‎src/main/java/com/vison/webmvc/controller/UserController.java

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@@ -9,13 +9,14 @@
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* @author vison.cao <visonforcoding@gmail.com>
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*/
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public class UserController {
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public UserController() {
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}
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@GetMapping(path = "/user/profile")
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public String profile(HttpServletRequest request, HttpServletResponse response) {
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System.out.print(request.getCookies());
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return "i am user profile";
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}
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}

‎src/main/java/com/vison/webmvc/framework/DispatchServlet.java

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@@ -1,5 +1,6 @@
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package com.vison.webmvc.framework;
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import com.vison.webmvc.framework.exception.NullRouteException;
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import java.io.IOException;
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import java.lang.reflect.Method;
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import java.lang.reflect.Parameter;
@@ -29,59 +30,62 @@ public class DispatchServlet extends HttpServlet {
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@Override
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public void init() throws ServletException {
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ViewEngine.load(this.getServletContext());
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}
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@Override
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protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
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protected void doGet(HttpServletRequest req, HttpServletResponse resp)
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throws ServletException, IOException {
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resp.setContentType("text/html");
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resp.setCharacterEncoding("UTF-8");
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String path = req.getRequestURI().substring(req.getContextPath().length());
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Object res = dispatch(path, req, resp);
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Object res;
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try {
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res = dispatch(path, req, resp);
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} catch (NullRouteException ex) {
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res = "404 Not Found";
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}
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String responseBody = this.handInvokeRes(res);
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resp.getWriter().write(responseBody);
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resp.getWriter().flush();
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}
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46-
private Object dispatch(String path, HttpServletRequest request, HttpServletResponse response) {
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private Object dispatch(String path, HttpServletRequest request, HttpServletResponse response)
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throws NullRouteException {
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Method method = this.getMaps(path);
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log.info(method);
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Object res = null;
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if (method != null);
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{
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Parameter[] parameters = method.getParameters();
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Object[] arguments = new Object[parameters.length];
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for (int i = 0; i < parameters.length; i++) {
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Parameter parameter = parameters[i];
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log.info(parameter.getType());
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Class<?> parameterClass = parameter.getType();
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String parameterName = parameter.getName();
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if (parameterClass == HttpServletRequest.class) {
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arguments[i] = request;
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} else if (parameterClass == HttpServletResponse.class) {
62-
arguments[i] = response;
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} else if (parameterClass == HttpSession.class) {
64-
arguments[i] = request.getSession();
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} else if (parameterClass == int.class) {
66-
arguments[i] = Integer.valueOf(getOrDefault(request, parameterName, "0"));
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} else if (parameterClass == long.class) {
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arguments[i] = Long.valueOf(getOrDefault(request, parameterName, "0"));
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} else if (parameterClass == boolean.class) {
70-
arguments[i] = Boolean.valueOf(getOrDefault(request, parameterName, "false"));
71-
} else if (parameterClass == String.class) {
72-
arguments[i] = getOrDefault(request, parameterName, "");
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} else {
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throw new RuntimeException("Missing handler for type: " + parameterClass);
75-
}
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}
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Object obj;
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try {
79-
obj = method.getDeclaringClass().getDeclaredConstructor().newInstance();
80-
res = method.invoke(obj, arguments);
81-
} catch (Exception e) {
82-
log.error("方法invoke失败", e);
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Parameter[] parameters = method.getParameters();
58+
Object[] arguments = new Object[parameters.length];
59+
for (int i = 0; i < parameters.length; i++) {
60+
Parameter parameter = parameters[i];
61+
log.info(parameter.getType());
62+
Class<?> parameterClass = parameter.getType();
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String parameterName = parameter.getName();
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if (parameterClass == HttpServletRequest.class) {
65+
arguments[i] = request;
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} else if (parameterClass == HttpServletResponse.class) {
67+
arguments[i] = response;
68+
} else if (parameterClass == HttpSession.class) {
69+
arguments[i] = request.getSession();
70+
} else if (parameterClass == int.class) {
71+
arguments[i] = Integer.valueOf(getOrDefault(request, parameterName, "0"));
72+
} else if (parameterClass == long.class) {
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arguments[i] = Long.valueOf(getOrDefault(request, parameterName, "0"));
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} else if (parameterClass == boolean.class) {
75+
arguments[i] = Boolean.valueOf(getOrDefault(request, parameterName, "false"));
76+
} else if (parameterClass == String.class) {
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arguments[i] = getOrDefault(request, parameterName, "");
78+
} else {
79+
throw new RuntimeException("Missing handler for type: " + parameterClass);
8380
}
8481
}
82+
Object obj;
83+
try {
84+
obj = method.getDeclaringClass().getDeclaredConstructor().newInstance();
85+
res = method.invoke(obj, arguments);
86+
} catch (Exception e) {
87+
log.error("方法invoke失败", e);
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}
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return res;
8690
}
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@@ -97,7 +101,8 @@ private String handInvokeRes(Object obj) {
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return "";
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}
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100-
private Method getMaps(String path) {
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private Method getMaps(String path) throws NullRouteException {
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String packageName = "com.vison.webmvc.controller";
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ConfigurationBuilder config = new ConfigurationBuilder();
103108
config.filterInputsBy(new FilterBuilder().includePackage(packageName));
@@ -112,6 +117,6 @@ private Method getMaps(String path) {
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return method;
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}
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}
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return null;
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throw new NullRouteException();
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}
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}

‎src/main/java/com/vison/webmvc/framework/FileServlet.java

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package com.vison.webmvc.framework;
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import java.io.BufferedInputStream;
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import java.io.FileInputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.nio.file.Files;
9+
import java.nio.file.Path;
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import java.nio.file.Paths;
11+
import javax.servlet.ServletContext;
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import javax.servlet.ServletException;
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import javax.servlet.annotation.WebServlet;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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/**
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*
20+
* @author vison.cao <visonforcoding@gmail.com>
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*/
22+
@WebServlet(urlPatterns = {"/favicon.ico", "/static/*"})
23+
public class FileServlet extends HttpServlet {
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25+
protected void doGet(HttpServletRequest req, HttpServletResponse resp)
26+
throws ServletException, IOException {
27+
// 读取当前请求路径:
28+
ServletContext ctx = req.getServletContext();
29+
// RequestURI包含ContextPath,需要去掉:
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String urlPath = req.getRequestURI().substring(ctx.getContextPath().length());
31+
// 获取真实文件路径:
32+
String filepath = ctx.getRealPath(urlPath);
33+
if (filepath == null) {
34+
// 无法获取到路径:
35+
resp.sendError(HttpServletResponse.SC_NOT_FOUND);
36+
return;
37+
}
38+
Path path = Paths.get(filepath);
39+
if (!path.toFile().isFile()) {
40+
// 文件不存在:
41+
resp.sendError(HttpServletResponse.SC_NOT_FOUND);
42+
return;
43+
}
44+
// 根据文件名猜测Content-Type:
45+
String mime = Files.probeContentType(path);
46+
if (mime == null) {
47+
mime = "application/octet-stream";
48+
}
49+
resp.setContentType(mime);
50+
// 读取文件并写入Response:
51+
OutputStream output = resp.getOutputStream();
52+
try (InputStream input = new BufferedInputStream(new FileInputStream(filepath))) {
53+
input.transferTo(output);
54+
}
55+
output.flush();
56+
}
57+
58+
}

‎src/main/java/com/vison/webmvc/framework/ViewEngine.java

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package com.vison.webmvc.framework;
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import com.mitchellbosecke.pebble.PebbleEngine;
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import com.mitchellbosecke.pebble.loader.ServletLoader;
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import com.mitchellbosecke.pebble.template.PebbleTemplate;
6+
import java.io.IOException;
7+
import java.io.StringWriter;
8+
import java.io.Writer;
9+
import java.util.Map;
10+
import javax.servlet.ServletContext;
11+
12+
/**
13+
*
14+
* @author vison.cao <visonforcoding@gmail.com>
15+
*/
16+
public class ViewEngine {
17+
18+
private static PebbleEngine engine;
19+
20+
public static void load(ServletContext servletContext) {
21+
// 定义一个ServletLoader用于加载模板:
22+
ServletLoader loader = new ServletLoader(servletContext);
23+
// 模板编码:
24+
loader.setCharset("UTF-8");
25+
// 模板前缀，这里默认模板必须放在`/WEB-INF/templates`目录:
26+
loader.setPrefix("/WEB-INF/templates");
27+
// 模板后缀:
28+
loader.setSuffix("");
29+
// 创建Pebble实例:
30+
engine = new PebbleEngine.Builder()
31+
.autoEscaping(true) // 默认打开HTML字符转义，防止XSS攻击
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.cacheActive(false) // 禁用缓存使得每次修改模板可以立刻看到效果
33+
.loader(loader).build();
34+
}
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36+
public static String render(String template, Map<String, Object> context) throws IOException {
37+
Writer writer = new StringWriter();
38+
39+
PebbleTemplate compiledTemplate = engine.getTemplate(template);
40+
compiledTemplate.evaluate(writer, context);
41+
String output = writer.toString();
42+
return output;
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44+
}
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}

‎src/main/java/com/vison/webmvc/framework/exception/NullRouteException.java

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package com.vison.webmvc.framework.exception;
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/**
4+
*
5+
* @author vison.cao <visonforcoding@gmail.com>
6+
*/
7+
public class NullRouteException extends Exception {
8+
9+
}

‎src/main/webapp/WEB-INF/templates/hello.pebble

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<html>
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<head>
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<!-- ZUI 标准版压缩后的 CSS 文件 -->
4+
<link rel="stylesheet" href="/static/css/zui.min.css">
5+
6+
<!-- ZUI Javascript 依赖 jQuery -->
7+
<script src="/static/js/jquery.min.js"></script>
8+
<!-- ZUI 标准版压缩后的 JavaScript 文件 -->
9+
<script src="/static/js/zui.min.js"></script>
10+
</head>
11+
<body>
12+
<article class="article">
13+
<!-- 文章头部 -->
14+
<header>
15+
<h1> hello,{{ vison }}
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</h1>
17+
<!-- 文章属性列表 -->
18+
<dl class="dl-inline">
19+
<dt>属性</dt>
20+
<dd>值</dd>
21+
...
22+
</dl>
23+
<div class="abstract">
24+
<p>摘要信息</p>
25+
</div>
26+
</header>
27+
<!-- 文章正文部分 -->
28+
<section class="content">
29+
...
30+
</section>
31+
<!-- 文章底部 -->
32+
<footer>
33+
<ul class="pager pager-justify">
34+
<li class="previous"><a href="#"><i class="icon-arrow-left"></i> 上一篇</a></li>
35+
<li><a href="#"><i class="icon-list-ul"></i> 目录</a></li>
36+
<li class="next disabled"><a href="#">没有下一篇 <i class="icon-arrow-right"></i></a></li>
37+
</ul>
38+
</footer>
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</article>
40+
</body>
41+
</html>

‎src/main/webapp/static/css/zui.min.css

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‎src/main/webapp/static/fonts/zenicon.eot

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