PabloWestphalen · September 5, 2013 02:59
diff --git a/FileBrowser.java b/FileBrowser.java
 package com.jin.explorer.servlets;

 import java.io.File;
 import java.io.UnsupportedEncodingException;
 import java.net.URLDecoder;
 import java.text.DecimalFormat;
 import java.text.SimpleDateFormat;
 import java.util.ArrayList;
 import java.util.Date;
 import java.util.HashMap;
 import java.util.List;

 import javax.servlet.http.HttpServletRequest;

 import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestMethod;
 import org.springframework.web.bind.annotation.ResponseBody;

 import com.fasterxml.jackson.databind.ObjectMapper;

 @Controller
 public class FileBrowser {
  @RequestMapping(value = "/browse/**", method = RequestMethod.GET)
 	@ResponseBody
 	public String printWelcome(HttpServletRequest request) {
 		try {
 			File file = new File(getPathFromURI(request.getRequestURI()));
 			if (file.exists()) {
 				HashMap<String, Object> respMap = getFileInfo(file);
 				if (file.isDirectory()) {
 					respMap.put("files", getFilesMap(file));
 				}
 				return new ObjectMapper().writeValueAsString(respMap);
 			}
 		} catch (Exception e) {
 			return "Invalid url";
 		}
 		return null;
 	}

 	public String getPathFromURI(String uri) {
 		String[] path_frags = null;
 		try {
 			path_frags = URLDecoder.decode(uri, "UTF-8").split("/");
 		} catch (UnsupportedEncodingException e) {
 			e.printStackTrace();
 		}
 		String device_letter = path_frags[3];
 		String full_path = "";
 		for (int i = 4; i < path_frags.length; i++) {
 			full_path += path_frags[i];
 			if (i + 1 < path_frags.length) {
 				full_path += "/";
 			}
 		}
 		return device_letter + ":/" + full_path;
 	}

 	public HashMap<String, Object> getFileInfo(File file) {
 		HashMap<String, Object> respMap = new HashMap<String, Object>();
 		respMap.put("exists", file.exists());
 		respMap.put("isFile", file.isFile());
 		respMap.put("winPath", file.getAbsolutePath());
 		respMap.put("path", getFilePath(file.getAbsolutePath()));
 		respMap.put("name", file.getName());
 		respMap.put("size", getFileSize(file));
 		respMap.put("lastModified", getLastModified(file));
 		respMap.put("type", getFileType(file));
 		respMap.put("isHidden", file.isHidden());
 		return respMap;
 	}

 	public List<HashMap<String, Object>> getFilesMap(File dir) {
 		List<HashMap<String, Object>> filesMap = new ArrayList<HashMap<String, Object>>();
 		for (File f : dir.listFiles()) {
 			HashMap<String, Object> fileMap = getFileInfo(f);
 			filesMap.add(fileMap);
 		}
 		return filesMap;
 	}

 	public String getFileSize(File f) {
 		if(f.isDirectory()) return "";
 		long size = f.length();
 		if (size == 0)
 			return "0";
 		final String[] units = new String[] { "B", "KB", "MB", "GB", "TB" };
 		int digitGroups = (int) (Math.log10(size) / Math.log10(1024));
 		return new DecimalFormat("#,##0.#").format(size
 				/ Math.pow(1024, digitGroups))
 				+ " " + units[digitGroups];

 	}

 	public String getLastModified(File f) {
 		SimpleDateFormat sdf = new SimpleDateFormat("dd/MM/YYYY hh:mm");
 		return sdf.format(new Date(f.lastModified()));
 	}

 	public String getFileType(File f) {
 		if (f.isDirectory())
 			return "directory";
 		String name = f.getName();
 		String extension = name.substring(name.lastIndexOf('.') + 1,
 				name.length());
 		String soundPattern = "mp3|wav|flac";
 		String videoPattern = "avi|mkv|mp4|3gp";
 		String imagePattern = "jpg|jpeg|png|gif";

 		if (extension.matches(soundPattern))
 			return "sound";
 		if (extension.matches(videoPattern))
 			return "video";
 		if (extension.matches(imagePattern))
 			return "image";
 		return "file";
 	}
 	
 	public String getFilePath(String path) {
 		return path.replaceAll("\\\\", "/").replaceFirst(":", "");
 	}

 }
diff --git a/index.jsp b/index.jsp
 <%@taglib uri="http://www.springframework.org/tags" prefix="spring"%>
 <!DOCTYPE html>
 <html>
 <head>
 <meta charset="utf-8">
 <title>Jin's File Explorer</title>
 <spring:url var="rsrc" value="/static" />
 <meta name="viewport" content="width=device-width">
 <link rel="stylesheet" href="${rsrc}/css/main.css">
 </head>
 <body>
  <div class="container">
 		<table id="files" class="tablesorter">
 			<thead>
 				<tr>
 					<th>Name</th>
 					<th>Date modified</th>
 					<th>Type</th>
 					<th>Size</th>
 					<th>Misc</th>
 				</tr>
 			</thead>
 			<tbody>
 				<script id="filesTpl" type="text/template">
          {{#files}}
          <tr id="{{@index}}">
            <td class="{{type}}"><a href="#">{{name}}</a></td>
            <td>{{lastModified}}</td>
            <td>{{type}}</td>
            <td>{{size}}</td>
            <td>{{isFile}}</td>
          </tr>
          {{/files}}
          </script>
 			</tbody>
 		</table>
 	</div>
 	<script src="${rsrc}/js/vendor/jquery.min.js"></script>
 	<script src="${rsrc}/js/vendor/handlebars.js"></script>
 	<script src="${rsrc}/js/main.js"></script>
 </body>
 </html>
diff --git a/main.js b/main.js
 var obj;
 var template;
 var binder;

 $(document).ready(function() {
  template = $('#filesTpl').html();
 	binder = Handlebars.compile(template);
 	listDirectory('g');
 });

 function listDirectory(path) {
 	$.getJSON('browse/' + path, function(data) {
 		obj = data;
 		$('#files tbody').html(binder(data));
 		$("#files").tablesorter();
 		addClickHandlers();
 	});
 }

 function addClickHandlers() {
 	$("#files tbody tr").click(function(event) {
 		var file = obj.files[$(this).attr('id')];
 		console.log(file);
 		listDirectory(file.path);
 	});
 }
	package com.jin.explorer.servlets;

	import java.io.File;
	import java.io.UnsupportedEncodingException;
	import java.net.URLDecoder;
	import java.text.DecimalFormat;
	import java.text.SimpleDateFormat;
	import java.util.ArrayList;
	import java.util.Date;
	import java.util.HashMap;
	import java.util.List;

	import javax.servlet.http.HttpServletRequest;

	import org.springframework.stereotype.Controller;
	import org.springframework.web.bind.annotation.RequestMapping;
	import org.springframework.web.bind.annotation.RequestMethod;
	import org.springframework.web.bind.annotation.ResponseBody;

	import com.fasterxml.jackson.databind.ObjectMapper;

	@Controller
	public class FileBrowser {
	@RequestMapping(value = "/browse/**", method = RequestMethod.GET)
	@ResponseBody
	public String printWelcome(HttpServletRequest request) {
	try {
	File file = new File(getPathFromURI(request.getRequestURI()));
	if (file.exists()) {
	HashMap<String, Object> respMap = getFileInfo(file);
	if (file.isDirectory()) {
	respMap.put("files", getFilesMap(file));
	}
	return new ObjectMapper().writeValueAsString(respMap);
	}
	} catch (Exception e) {
	return "Invalid url";
	}
	return null;
	}

	public String getPathFromURI(String uri) {
	String[] path_frags = null;
	try {
	path_frags = URLDecoder.decode(uri, "UTF-8").split("/");
	} catch (UnsupportedEncodingException e) {
	e.printStackTrace();
	}
	String device_letter = path_frags[3];
	String full_path = "";
	for (int i = 4; i < path_frags.length; i++) {
	full_path += path_frags[i];
	if (i + 1 < path_frags.length) {
	full_path += "/";
	}
	}
	return device_letter + ":/" + full_path;
	}

	public HashMap<String, Object> getFileInfo(File file) {
	HashMap<String, Object> respMap = new HashMap<String, Object>();
	respMap.put("exists", file.exists());
	respMap.put("isFile", file.isFile());
	respMap.put("winPath", file.getAbsolutePath());
	respMap.put("path", getFilePath(file.getAbsolutePath()));
	respMap.put("name", file.getName());
	respMap.put("size", getFileSize(file));
	respMap.put("lastModified", getLastModified(file));
	respMap.put("type", getFileType(file));
	respMap.put("isHidden", file.isHidden());
	return respMap;
	}

	public List<HashMap<String, Object>> getFilesMap(File dir) {
	List<HashMap<String, Object>> filesMap = new ArrayList<HashMap<String, Object>>();
	for (File f : dir.listFiles()) {
	HashMap<String, Object> fileMap = getFileInfo(f);
	filesMap.add(fileMap);
	}
	return filesMap;
	}

	public String getFileSize(File f) {
	if(f.isDirectory()) return "";
	long size = f.length();
	if (size == 0)
	return "0";
	final String[] units = new String[] { "B", "KB", "MB", "GB", "TB" };
	int digitGroups = (int) (Math.log10(size) / Math.log10(1024));
	return new DecimalFormat("#,##0.#").format(size
	/ Math.pow(1024, digitGroups))
	+ " " + units[digitGroups];

	}

	public String getLastModified(File f) {
	SimpleDateFormat sdf = new SimpleDateFormat("dd/MM/YYYY hh:mm");
	return sdf.format(new Date(f.lastModified()));
	}

	public String getFileType(File f) {
	if (f.isDirectory())
	return "directory";
	String name = f.getName();
	String extension = name.substring(name.lastIndexOf('.') + 1,
	name.length());
	String soundPattern = "mp3\|wav\|flac";
	String videoPattern = "avi\|mkv\|mp4\|3gp";
	String imagePattern = "jpg\|jpeg\|png\|gif";

	if (extension.matches(soundPattern))
	return "sound";
	if (extension.matches(videoPattern))
	return "video";
	if (extension.matches(imagePattern))
	return "image";
	return "file";
	}

	public String getFilePath(String path) {
	return path.replaceAll("\\\\", "/").replaceFirst(":", "");
	}

	}
	<%@taglib uri="http://www.springframework.org/tags" prefix="spring"%>
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8">
	<title>Jin's File Explorer</title>
	<spring:url var="rsrc" value="/static" />
	<meta name="viewport" content="width=device-width">
	<link rel="stylesheet" href="${rsrc}/css/main.css">
	</head>
	<body>
	<div class="container">
	<table id="files" class="tablesorter">
	<thead>
	<tr>
	<th>Name</th>
	<th>Date modified</th>
	<th>Type</th>
	<th>Size</th>
	<th>Misc</th>
	</tr>
	</thead>
	<tbody>
	<script id="filesTpl" type="text/template">
	{{#files}}
	<tr id="{{@index}}">
	<td class="{{type}}"><a href="#">{{name}}</a></td>
	<td>{{lastModified}}</td>
	<td>{{type}}</td>
	<td>{{size}}</td>
	<td>{{isFile}}</td>
	</tr>
	{{/files}}
	</script>
	</tbody>
	</table>
	</div>
	<script src="${rsrc}/js/vendor/jquery.min.js"></script>
	<script src="${rsrc}/js/vendor/handlebars.js"></script>
	<script src="${rsrc}/js/main.js"></script>
	</body>
	</html>
	var obj;
	var template;
	var binder;

	$(document).ready(function() {
	template = $('#filesTpl').html();
	binder = Handlebars.compile(template);
	listDirectory('g');
	});

	function listDirectory(path) {
	$.getJSON('browse/' + path, function(data) {
	obj = data;
	$('#files tbody').html(binder(data));
	$("#files").tablesorter();
	addClickHandlers();
	});
	}

	function addClickHandlers() {
	$("#files tbody tr").click(function(event) {
	var file = obj.files[$(this).attr('id')];
	console.log(file);
	listDirectory(file.path);
	});
	}