dubbo-container/src/main/java/com/alibaba/dubbo/container/page/PageServlet.java - dubbo - Git at Google

 /*
  * Copyright 1999-2011 Alibaba Group.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
 package com.alibaba.dubbo.container.page;

 import java.io.IOException;
 import java.io.PrintWriter;
 import java.util.Collection;
 import java.util.List;
 import java.util.Random;
 import java.util.Set;

 import javax.servlet.ServletException;
 import javax.servlet.http.HttpServlet;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;

 import com.alibaba.dubbo.common.ExtensionLoader;
 import com.alibaba.dubbo.common.URL;
 import com.alibaba.dubbo.common.logger.Logger;
 import com.alibaba.dubbo.common.logger.LoggerFactory;

 /**
  * PageServlet
  *
  * @author william.liangf
  */
 public class PageServlet extends HttpServlet {

     private static final long     serialVersionUID = -8370312705453328501L;

     protected static final Logger logger           = LoggerFactory.getLogger(PageServlet.class);

     protected final Random        random           = new Random();

     protected String              applicationName;

     public void setApplicationName(String applicationName) {
         this.applicationName = applicationName;
     }

     protected final void doGet(HttpServletRequest request, HttpServletResponse response)
             throws ServletException, IOException {
         if (! response.isCommitted()) {
             PrintWriter writer = response.getWriter();
             String uri = request.getRequestURI();
             boolean isHtml = false;
             if (uri == null || uri.length() == 0 || "/".equals(uri)) {
                 uri = "home";
                 isHtml = true;
             } else {
                 if (uri.startsWith("/")) {
                     uri = uri.substring(1);
                 }
                 if (uri.endsWith(".html")) {
                     uri = uri.substring(0, uri.length() - ".html".length());
                     isHtml = true;
                 }
             }
             PageHandler pageFactory = ExtensionLoader.getExtensionLoader(PageHandler.class).getExtension(uri);
             if (isHtml) {
                 writer.println("<html><head><title>" + applicationName + " service server</title>");
                 writer.println("<style type=\"text/css\">html, body {margin: 10;padding: 0;background-color: #6D838C;font-family: Arial, Verdana;font-size: 12px;color: #FFFFFF;text-align: center;vertical-align: middle;word-break: break-all; } table {width: 800px;margin: 0px auto;border-collapse: collapse;border: 8px solid #FFFFFF; } thead tr {background-color: #253c46; } tbody tr {background-color: #8da5af; } th {padding-top: 4px;padding-bottom: 4px;font-size: 14px;height: 20px; } td {margin: 3px;padding: 3px;border: 2px solid #FFFFFF;height: 25px; } a {color: #FFFFFF;cursor: pointer;text-decoration: underline; } a:hover {text-decoration: none; }</style>");
                 writer.println("</head><body>");
             }
             if (pageFactory != null) {
                 String query = request.getQueryString();
                 Page page = pageFactory.handle(URL.valueOf(request.getRequestURL().toString()
                         + (query == null || query.length() == 0 ? "" : "?" + query)));
                 if (page != null) {
                     if (isHtml) {
                         writeMenu(request, writer, page.getNavigation());
                         writeTable(writer, page.getTitle(), page.getColumns(),
                                 page.getRows());
                     } else {
                         writer.println(page.getTitle());
                     }
                 }
             } else {
                 if (isHtml) {
                     writer.println("<table>");
                     writer.println("<thead>");
                     writer.println("    <tr>");
                     writer.println("        <th>Error</th>");
                     writer.println("    </tr>");
                     writer.println("</thead>");
                     writer.println("<tbody>");
                     writer.println("    <tr>");
                     writer.println("        <td>");
                     writer.println("            Not found " + uri + " page. Please goto <a href=\"/\">Home</a> page.");
                     writer.println("        </td>");
                     writer.println("    </tr>");
                     writer.println("</tbody>");
                     writer.println("</table>");
                     writer.println("<br/>");
                 } else {
                     writer.println("Not found " + uri + " page.");
                 }
             }
             if (isHtml) {
                 writer.println("</body></html>");
             }
             writer.flush();
         }
     }

     protected final void writeMenu(HttpServletRequest request, PrintWriter writer, String nav) {
         writer.println("<table>");
         writer.println("<thead>");
         writer.println("    <tr>");
         Set<String> names = ExtensionLoader.getExtensionLoader(PageHandler.class).getSupportedExtensions();
         for (String name : names) {
             writer.println("        <th><a href=\"" + name + ".html\">" + name + "</a></th>");
         }
         writer.println("    </tr>");
         writer.println("</thead>");
         writer.println("<tbody>");
         writer.println("    <tr>");
         writer.println("        <td style=\"text-align: left\" colspan=\"" + names.size() + "\">");
         writer.println(nav);
         writer.println("        </td>");
         writer.println("    </tr>");
         writer.println("</tbody>");
         writer.println("</table>");
         writer.println("<br/>");
     }

     protected final void writeTable(PrintWriter writer, String title, List<String> columns,
                                     List<List<String>> rows) {
         int n = random.nextInt();
         int c = (columns == null ? (rows == null || rows.size() == 0 ? 0 : rows.get(0).size())
                 : columns.size());
         int r = (rows == null ? 0 : rows.size());
         writer.println("<table>");
         writer.println("<thead>");
         writer.println("    <tr>");
         writer.println("        <th colspan=\"" + c + "\">" + title + "</th>");
         writer.println("    </tr>");
         if (columns != null && columns.size() > 0) {
             writer.println("    <tr>");
             for (int i = 0; i < columns.size(); i++) {
                 String col = columns.get(i);
                 if (col.endsWith(":")) {
                     col += " <input type=\"text\" id=\"in_"
                             + n
                             + "_"
                             + i
                             + "\" onkeyup=\"for (var i = 0; i < "
                             + r
                             + "; i ++) { var m = true; for (var j = 0; j < "
                             + columns.size()
                             + "; j ++) { if (document.getElementById('in_"
                             + n
                             + "_' + j)) { var iv = document.getElementById('in_"
                             + n
                             + "_' + j).value; var tv = document.getElementById('td_"
                             + n
                             + "_' + i + '_' + j).innerHTML; if (iv.length > 0 && (tv.length < iv.length || tv.indexOf(iv) == -1)) { m = false; break; } } } document.getElementById('tr_"
                             + n
                             + "_' + i).style.display = (m ? '' : 'none');}\" sytle=\"width: 100%\" />";
                 }
                 writer.println("        <td>" + col + "</td>");
             }
             writer.println("    </tr>");
         }
         writer.println("</thead>");
         if (rows != null && rows.size() > 0) {
             writer.println("<tbody>");
             int i = 0;
             for (Collection<String> row : rows) {
                 writer.println("    <tr id=\"tr_" + n + "_" + i + "\">");
                 int j = 0;
                 for (String col : row) {
                     writer.println("        <td id=\"td_" + n + "_" + i + "_" + j
                             + "\" style=\"display: ;\">" + col + "</td>");
                     j++;
                 }
                 writer.println("    </tr>");
                 i++;
             }
             writer.println("</tbody>");
         }
         writer.println("</table>");
         writer.println("<br/>");
     }

 }
	/*
	* Copyright 1999-2011 Alibaba Group.
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/
	package com.alibaba.dubbo.container.page;

	import java.io.IOException;
	import java.io.PrintWriter;
	import java.util.Collection;
	import java.util.List;
	import java.util.Random;
	import java.util.Set;

	import javax.servlet.ServletException;
	import javax.servlet.http.HttpServlet;
	import javax.servlet.http.HttpServletRequest;
	import javax.servlet.http.HttpServletResponse;

	import com.alibaba.dubbo.common.ExtensionLoader;
	import com.alibaba.dubbo.common.URL;
	import com.alibaba.dubbo.common.logger.Logger;
	import com.alibaba.dubbo.common.logger.LoggerFactory;

	/**
	* PageServlet
	*
	* @author william.liangf
	*/
	public class PageServlet extends HttpServlet {

	private static final long serialVersionUID = -8370312705453328501L;

	protected static final Logger logger = LoggerFactory.getLogger(PageServlet.class);

	protected final Random random = new Random();

	protected String applicationName;

	public void setApplicationName(String applicationName) {
	this.applicationName = applicationName;
	}

	protected final void doGet(HttpServletRequest request, HttpServletResponse response)
	throws ServletException, IOException {
	if (! response.isCommitted()) {
	PrintWriter writer = response.getWriter();
	String uri = request.getRequestURI();
	boolean isHtml = false;
	if (uri == null \|\| uri.length() == 0 \|\| "/".equals(uri)) {
	uri = "home";
	isHtml = true;
	} else {
	if (uri.startsWith("/")) {
	uri = uri.substring(1);
	}
	if (uri.endsWith(".html")) {
	uri = uri.substring(0, uri.length() - ".html".length());
	isHtml = true;
	}
	}
	PageHandler pageFactory = ExtensionLoader.getExtensionLoader(PageHandler.class).getExtension(uri);
	if (isHtml) {
	writer.println("<html><head><title>" + applicationName + " service server</title>");
	writer.println("<style type=\"text/css\">html, body {margin: 10;padding: 0;background-color: #6D838C;font-family: Arial, Verdana;font-size: 12px;color: #FFFFFF;text-align: center;vertical-align: middle;word-break: break-all; } table {width: 800px;margin: 0px auto;border-collapse: collapse;border: 8px solid #FFFFFF; } thead tr {background-color: #253c46; } tbody tr {background-color: #8da5af; } th {padding-top: 4px;padding-bottom: 4px;font-size: 14px;height: 20px; } td {margin: 3px;padding: 3px;border: 2px solid #FFFFFF;height: 25px; } a {color: #FFFFFF;cursor: pointer;text-decoration: underline; } a:hover {text-decoration: none; }</style>");
	writer.println("</head><body>");
	}
	if (pageFactory != null) {
	String query = request.getQueryString();
	Page page = pageFactory.handle(URL.valueOf(request.getRequestURL().toString()
	+ (query == null \|\| query.length() == 0 ? "" : "?" + query)));
	if (page != null) {
	if (isHtml) {
	writeMenu(request, writer, page.getNavigation());
	writeTable(writer, page.getTitle(), page.getColumns(),
	page.getRows());
	} else {
	writer.println(page.getTitle());
	}
	}
	} else {
	if (isHtml) {
	writer.println("<table>");
	writer.println("<thead>");
	writer.println(" <tr>");
	writer.println(" <th>Error</th>");
	writer.println(" </tr>");
	writer.println("</thead>");
	writer.println("<tbody>");
	writer.println(" <tr>");
	writer.println(" <td>");
	writer.println(" Not found " + uri + " page. Please goto <a href=\"/\">Home</a> page.");
	writer.println(" </td>");
	writer.println(" </tr>");
	writer.println("</tbody>");
	writer.println("</table>");
	writer.println("<br/>");
	} else {
	writer.println("Not found " + uri + " page.");
	}
	}
	if (isHtml) {
	writer.println("</body></html>");
	}
	writer.flush();
	}
	}

	protected final void writeMenu(HttpServletRequest request, PrintWriter writer, String nav) {
	writer.println("<table>");
	writer.println("<thead>");
	writer.println(" <tr>");
	Set<String> names = ExtensionLoader.getExtensionLoader(PageHandler.class).getSupportedExtensions();
	for (String name : names) {
	writer.println(" <th><a href=\"" + name + ".html\">" + name + "</a></th>");
	}
	writer.println(" </tr>");
	writer.println("</thead>");
	writer.println("<tbody>");
	writer.println(" <tr>");
	writer.println(" <td style=\"text-align: left\" colspan=\"" + names.size() + "\">");
	writer.println(nav);
	writer.println(" </td>");
	writer.println(" </tr>");
	writer.println("</tbody>");
	writer.println("</table>");
	writer.println("<br/>");
	}

	protected final void writeTable(PrintWriter writer, String title, List<String> columns,
	List<List<String>> rows) {
	int n = random.nextInt();
	int c = (columns == null ? (rows == null \|\| rows.size() == 0 ? 0 : rows.get(0).size())
	: columns.size());
	int r = (rows == null ? 0 : rows.size());
	writer.println("<table>");
	writer.println("<thead>");
	writer.println(" <tr>");
	writer.println(" <th colspan=\"" + c + "\">" + title + "</th>");
	writer.println(" </tr>");
	if (columns != null && columns.size() > 0) {
	writer.println(" <tr>");
	for (int i = 0; i < columns.size(); i++) {
	String col = columns.get(i);
	if (col.endsWith(":")) {
	col += " <input type=\"text\" id=\"in_"
	+ n
	+ "_"
	+ i
	+ "\" onkeyup=\"for (var i = 0; i < "
	+ r
	+ "; i ++) { var m = true; for (var j = 0; j < "
	+ columns.size()
	+ "; j ++) { if (document.getElementById('in_"
	+ n
	+ "_' + j)) { var iv = document.getElementById('in_"
	+ n
	+ "_' + j).value; var tv = document.getElementById('td_"
	+ n
	+ "_' + i + '_' + j).innerHTML; if (iv.length > 0 && (tv.length < iv.length \|\| tv.indexOf(iv) == -1)) { m = false; break; } } } document.getElementById('tr_"
	+ n
	+ "_' + i).style.display = (m ? '' : 'none');}\" sytle=\"width: 100%\" />";
	}
	writer.println(" <td>" + col + "</td>");
	}
	writer.println(" </tr>");
	}
	writer.println("</thead>");
	if (rows != null && rows.size() > 0) {
	writer.println("<tbody>");
	int i = 0;
	for (Collection<String> row : rows) {
	writer.println(" <tr id=\"tr_" + n + "_" + i + "\">");
	int j = 0;
	for (String col : row) {
	writer.println(" <td id=\"td_" + n + "_" + i + "_" + j
	+ "\" style=\"display: ;\">" + col + "</td>");
	j++;
	}
	writer.println(" </tr>");
	i++;
	}
	writer.println("</tbody>");
	}
	writer.println("</table>");
	writer.println("<br/>");
	}

	}