player1225change

PlayerServlet

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.TimeZone;

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

import org.apache.commons.io.FileUtils;
import org.apache.commons.lang.StringUtils;

import player.LrcBean;

import com.google.gson.Gson;

/**
 * Servlet implementation class PlayerServlet
 */
@WebServlet(urlPatterns = "/play.do", asyncSupported = true)
public class PlayerServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;
	private static final String SPLIT_TOKEN = "|||";

	/**
	 * @see HttpServlet#HttpServlet()
	 */
	public PlayerServlet() {
		super();
	}

	public String getLrcNameFromSrc(String srcName) {
		if (StringUtils.isEmpty(srcName)) {
			return "";
		}
		return srcName.substring(srcName.lastIndexOf("/") + 1,
				srcName.lastIndexOf("."))
				+ ".txt";
	}

	public int getSecondsInt(String timeStr) {
		if (timeStr.length() == 5) {
			timeStr = "00:" + timeStr;
		}
		DateFormat dateFormat = new SimpleDateFormat("HH:mm:ss");
		dateFormat.setTimeZone(TimeZone.getTimeZone("UTC"));
		Date date = null;
		try {
			date = dateFormat.parse(timeStr);
		} catch (ParseException e) {
			e.printStackTrace();
		}
		long seconds = date.getTime() / 1000L;
		return (int) seconds;
	}

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse
	 *      response)
	 */
	protected void doGet(HttpServletRequest request,
			HttpServletResponse response) throws ServletException, IOException {
		doPost(request, response);
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse
	 *      response)
	 */
	protected synchronized void doPost(HttpServletRequest request,
			HttpServletResponse response) throws ServletException, IOException {
		String remoteAddr = request.getRemoteAddr();
		System.out.println("###doPost### date:" + new Date() + " remoteAddr:" + remoteAddr);
		String action = request.getParameter("action");
		String name = request.getParameter("name");
		String startStr = request.getParameter("start");
		String endStr = request.getParameter("end");
		String textStr = request.getParameter("text");
		String lastUptStr = request.getParameter("lastUpt");
		if (StringUtils.isEmpty(textStr)) {
			textStr = "  ";
		}

		textStr = StringUtils.replace(textStr, "\r", " ");
		textStr = StringUtils.replace(textStr, "\n", " ");

		name = getLrcNameFromSrc(name);

		System.out.println("action:" + action + " startStr:" + startStr
				+ " endStr:" + endStr + " textStr:" + textStr);
		System.out.println("name:" + name);

		File lrcDir = new File("lrcDir");
		if (!lrcDir.exists()) {
			lrcDir.mkdirs();
		}
		File lrcFile = new File(lrcDir, name);

		if ("add".equals(action)) {
			String msg = "0";
			int start = getSecondsInt(startStr);
			int end = getSecondsInt(endStr);

			List<String> lineList = new ArrayList<String>();
			if (lrcFile.exists()) {
				lineList = FileUtils.readLines(lrcFile);
			}

			System.out.println("###lrcDir:" + lrcDir.getAbsolutePath());

			StringBuilder sb = new StringBuilder();
			String lastestUptStr = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss")
					.format(new Date());
			String lineInfo = start
					+ SPLIT_TOKEN
					+ end
					+ SPLIT_TOKEN
					+ textStr
					+ SPLIT_TOKEN
					+ lastestUptStr
					+ SPLIT_TOKEN + remoteAddr;
			boolean matched = false;
			for (int i = 0; i < lineList.size(); i++) {
				String oneLine = lineList.get(i);
				if (StringUtils.trim(oneLine).isEmpty()) {
					continue;
				}
				String[] fieldsArr = StringUtils.split(oneLine, SPLIT_TOKEN);
				// update data
				if (fieldsArr[0].equals(start + "")) {
					if(!oneLine.contains(SPLIT_TOKEN + lastUptStr)) {
						msg = "-1";
					}
					oneLine = lineInfo;
					matched = true;
				}

				// insert data
				if (!matched && Integer.parseInt(fieldsArr[0]) > start) {
					matched = true;
					sb.append(lineInfo + "\r\n");
				}
				sb.append(oneLine + "\r\n");
			}

			if (lineList.size() == 0 || !matched) {
				sb.append(lineInfo + "\r\n");
			}

			if("0".equals(msg)) {
				FileUtils.writeStringToFile(lrcFile, sb.toString());
				FileUtils.writeStringToFile(new File(lrcDir, "historyLog_" + name), lineInfo + "\r\n", true);
			}

			response.setContentType("application/json");
			Gson gson = new Gson();
			response.getWriter().print(gson.toJson(new String[]{msg, lastestUptStr}));
			response.getWriter().close();
		} else if ("getLrcList".equals(action)) {
			List<String> lineList = new ArrayList<String>();
			List<LrcBean> lrcBeanList = new ArrayList<LrcBean>();
			if (lrcFile.exists()) {
				lineList = FileUtils.readLines(lrcFile);
			}

			for (int i = 0; i < lineList.size(); i++) {
				String oneLine = lineList.get(i);
				if (StringUtils.trim(oneLine).isEmpty()) {
					continue;
				}
				String[] fieldsArr = StringUtils.split(oneLine, SPLIT_TOKEN);
				LrcBean lrcBean = new LrcBean(fieldsArr[0], fieldsArr[1],
						fieldsArr.length <= 2 ? ""
								: (StringUtils.isBlank(fieldsArr[2]) ? ""
										: fieldsArr[2]), fieldsArr[3]);
				lrcBeanList.add(lrcBean);
			}

			response.setContentType("application/json");
			Gson gson = new Gson();
			response.getWriter().print(gson.toJson(lrcBeanList));
			response.getWriter().close();
		} else if ("downloadLrc".equals(action)) {
			if (!lrcFile.exists()) {
				FileUtils.writeStringToFile(lrcFile, "");
			}

			response.setHeader("Content-disposition", "attachment; filename="
					+ lrcFile.getName());

			BufferedInputStream buffInput = new BufferedInputStream(
					new FileInputStream(lrcFile.getAbsolutePath()));
			BufferedOutputStream buffout = new BufferedOutputStream(
					response.getOutputStream());
			int length = -1;
			byte[] buff = new byte[1024];
			while ((length = buffInput.read(buff)) != -1) {
				buffout.write(buff, 0, length);
			}
			buffout.flush();
			buffInput.close();
			buffout.close();
		} else if ("getAudioList".equals(action)) {
			String rootPath = getServletConfig().getServletContext()
					.getRealPath("/");
			File audioDir = new File(rootPath + "/audio");

			response.setContentType("application/json");
			Gson gson = new Gson();
			response.getWriter().print(gson.toJson(audioDir.list()));
			response.getWriter().close();
		} else if ("fetchRawMsg".equals(action)) {
			String fileContent = "N/A";
			if (lrcFile.exists()) {
				fileContent = FileUtils.readFileToString(lrcFile);
			}

			response.getWriter().print(fileContent);
			response.getWriter().close();

		} /*else if ("saveRawMsg".equals(action)) {
			String fileContent = request.getParameter("content");
			FileUtils.writeStringToFile(lrcFile, fileContent);

			response.getWriter().print("save successfully");
			response.getWriter().close();
		}*/
	}

}

functions.js

var currAudio;
var duration = 30;
var timer ;
var initTimer ;
var currentAudioSrc = "";
function Init() {
	$.ajax({
		type : "POST",
		url : "play.do",
		data : {
			action : 'getLrcList',
			name : currentAudioSrc
		},
		async:false,
		dataType : "json",
		success : function(data) {
//			alert(data);
			for(var i = 0; i < data.length; i++) {
				addDetail(data[i].start, data[i].end, data[i].text, data[i].lastUpt, null, true);
			}
		}

	});
	
	var startVar = 0;
	var endVar = 0;
	if ($("#tblData tr").length == 1) {
		startVar = 0;
		endVar = duration;
		addDetail(startVar, endVar, null, null, null, false);
	} 
}

//<img src='images/delete.png' class='btnDelete'/>
function addDetail(startVar, endVar, text, lastUpt, baseRow, saved) {
	var baseObj;
	if(typeof (text) == "undefined" || text == null) {
		text = "";
	}
	var trInfo = "<tr>"
			+ "<td><span name='numSpan'>1</span></td>"
			+ "<td>"
			+ conversionTime(startVar)
			+ "</td>"
			+ "<td><span>"
			+ conversionTime(endVar)
			+ "</span><div><input type='button' value='split'  onclick='mysplit(this)' /></div></td>"
			+ "<td><textarea class='textareaText' rows='5' cols='10' onkeyup='taChange(this)'>" + text + "</textarea></td>"
			+ "<td><img src='images/play.JPG' class='btnPlay'  onclick='playSeg(this)'><img src='images/save" + (saved ? "d" : "") + ".png' class='btnSave' onclick='Save(this)'>" 
			+ "<input type='hidden' name='lastUpt' value='" + lastUpt + "'"
			+ "</td>"
			+ "</tr>";
	if (typeof (baseRow) == "undefined" || baseRow == null) {
		baseObj = $("#tblData tbody");
		baseObj.append(trInfo);
	} else {
		baseObj = baseRow;
		baseObj.after(trInfo);
	}

	// $(".btnSave").bind("click", Save);
	// $(".btnDelete").bind("click", Delete);
//	var numSpans = document.getElementsByName("numSpan");
//	alert("numSpans.length:" + $('[name="numSpan"]').length);
//	for(var i = 0; i < numSpans.length; i++) {
//		alert(i);
//		$(numSpans[i]).html(i + 1);
//	}
	
	$.each( $('[name="numSpan"]'), function( key, value ) {
//		alert( key + ": " + value );
		$(value).html(key + 1);
	});

}

$('.textareaText').bind('input propertychange', function() {
	taChange(this);
});

function taChange(taObj) {
//	alert($(taObj).val());
	var saveBtn = $(taObj).parent().next().children(".btnSave");
	saveBtn.attr("src", "images/save.png");
}

var lastPlayBtn = null;
var ix = 0;
function playSeg(btn) {
	if(lastPlayBtn != null && lastPlayBtn != btn) {
//		$(".btnPlay").attr("src", "images/play.JPG");
		$(lastPlayBtn).attr("src", "images/play.JPG");
	}
	//var currBtnSrc = $(btn).attr("src");
	//$(btn).attr("src", currBtnSrc);
	clearInterval(timer);
	currAudio.pause();

//	alert("here1");
	var start;
	var end;
	// alert("start:" + start + " end:" + end + " currentTime:" +
	// currAudio.currentTime);
	var startTd = $(btn).parent().prev().prev().prev();
	var endTd = $(btn).parent().prev().prev();
	var thisTr = startTd.parent().parent();

	start = getSeconds(startTd.html());
	end = getSeconds(endTd.text());

	if ($(btn).attr("src") == "images/play.JPG") {
		console.log("here22");
		//alert("here2");
		setTimeout(function () { 
	        $(btn).attr("src", "images/pause.jpg");
	    }, 100);
		currAudio.currentTime = start;
		currAudio.play();
		
		timer = setInterval(function() {
			if (currAudio.currentTime > end) {
				currAudio.pause();
				$(btn).attr("src", "images/play.JPG");
				clearInterval(timer);
			} else {
//				$(btn).attr("src", "images/pause.jpg");
			}
		}, 1000);
	} else {
		console.log("here3");
		//alert("here3");
		$(btn).attr("src", "images/play.JPG");
		currAudio.pause();
	}

	lastPlayBtn = btn;
}

function Save(btn) {
	var lastUpt = $(btn).next().val();
	console.log("lastUpt:" + lastUpt);
//	alert("save btn");
	var start;
	var end;
	var startTd = $(btn).parent().prev().prev().prev();
	var endTd = $(btn).parent().prev().prev();
	var textTd = $(btn).parent().prev();
	var thisTr = startTd.parent().parent();
	
	start = startTd.html();
	end = endTd.text();
	$.ajax({
		type : "POST",
		url : "play.do",
		data : {
			action : 'add',
			name : currAudio.currentSrc,
			start : start,
			end : end,
			text : textTd.children(0).val(),
			lastUpt : lastUpt
		},
		dataType : "json",
		success : function(data) {
//			alert(data);
			if(data[0] == "0") {
				$(btn).attr("src", "images/saved.png");
				$(btn).next().val(data[1]);
			} else {
				alert("your this row data is dirty, please backup data, refresh page, and try to save again");
			}
		}

	});
}

function Delete() {
	var par = $(this).parent().parent(); // tr
	par.remove();
}

function mysplit(btn) {
	var start;
	var end;
	var endStr;
	var preSpan = $(btn).parent().prev();
	var thisTr = preSpan.parent().parent();

	start = getSeconds($(btn).parent().parent().prev().html());
	end = getSeconds(preSpan.html());
//	alert("start:" + start + " end:" + end);
	if (currAudio.currentTime > start
			&& currAudio.currentTime < end) {
		var saveBtn = $(btn).parent().parent().next().next().children(".btnSave");
		var playBtn = $(btn).parent().parent().next().next().children(".btnPlay");
		saveBtn.attr("src", "images/save.png");
		playBtn.attr("src", "images/play.JPG");
		
		preSpan.html(conversionTime(parseInt(currAudio.currentTime)));
		
		addDetail(parseInt(currAudio.currentTime), end, "", "", thisTr);
		
		saveBtn.click();
		
		$(btn).parent().parent().parent().next().children("td:last-child").children(".btnSave").click();
	}
}

function back() {
	currAudio.currentTime -= 3;
}
// 歌词时间增加2s
function forward() {
	currAudio.currentTime += 3;
}

function conversionTime(time){
    var surplusHour,
    	surplusMinite,
        surplusSecond,
        cTime;
    //将剩余秒数转化为分钟
    surplusHour = Math.floor(time / 3600);
    //将剩余秒数转化为分钟
    surplusMinite = Math.floor((time / 60) % 60);
    //将剩余秒数转化为秒钟
    surplusSecond = Math.floor(time % 60);
    if(surplusSecond < 10){
        surplusSecond = "0" + surplusSecond;
    }
    if(surplusMinite < 10){
    	surplusMinite = "0" + surplusMinite;
    }
    if(surplusHour < 10){
    	surplusHour = "0" + surplusHour;
    }
    cTime = surplusMinite + ":" + surplusSecond;
    if(surplusHour != 0) {
    	cTime = surplusHour + ":" + cTime;
    }
    return cTime;
}

function getSeconds(timeStr) {
	var timeStrArr = timeStr.split(":");
	var timeLong = 0;
	timeLong += (parseInt(timeStrArr[timeStrArr.length-1]) + parseInt(timeStrArr[timeStrArr.length-2] * 60));  
	if(timeStrArr.length == 3) {
		timeLong += parseInt(timeStrArr[0] * 3600);  
	}
	//alert("timeStr:" + timeStr + " timeLong:" + timeLong);
	return timeLong;
}

/*
*函数功能：从href获得参数
*sHref:   http://www.artfh.com/arg.htm?arg1=d&arg2=re
*sArgName:arg1, arg2
*return:    the value of arg. d, re
*/
function GetArgsFromHref(sHref, sArgName)
{
      var args    = sHref.split("?");
      var retval = "";
    
      if(args[0] == sHref) /*参数为空*/
      {
           return retval; /*无需做任何处理*/
      }  
      var str = args[1];
      args = str.split("&");
      for(var i = 0; i < args.length; i ++)
      {
          str = args[i];
          var arg = str.split("=");
          if(arg.length <= 1) continue;
          if(arg[0] == sArgName) retval = arg[1]; 
      }
      return retval;
}

function fetchRawText() {
	$("#rawTa").val("");
	$.ajax({
		type : "POST",
		url : "play.do",
		data : {
			action : 'fetchRawMsg',
			name : currentAudioSrc
		},
		dataType : "text",
		success : function(data) {
			$("#rawTa").val(data);
		}
	});
}

function downloadRawText() {
	window.location = "play.do?action=downloadLrc&name=" + currentAudioSrc; 
}

function saveRawText() {
	$.ajax({
		type : "POST",
		url : "play.do",
		data : {
			action : 'saveRawMsg',
			name : currentAudioSrc,
			content : $("#rawTa").val()
		},
		dataType : "text",
		success : function(data) {
			alert(data);
			window.location = window.location; 
		}
	});
}

function doSearch() {
	var fromDate = $("#from").val() + " 00:00:00";
	var toDate = $("#to").val() + " 23:59:59";
	console.log("fromDate:" + fromDate + " toDate:" + toDate);
	
	$.each( $("#tblData tr"), function( key, value ) {
		console.log( key + ": " + value );
		if(key != "0") {
			var currUptDate = $(value).children().eq(4).children().eq(2).val();
			if(currUptDate >= fromDate && currUptDate <= toDate) {
				$(value).show();
			} else {
				$(value).hide();
			}
		}
//		$(value).html(key + 1);
	});
}


$(document).ready(function() {
	currAudio = document.getElementById("currAudio");
	
//	alert("window.location.href:" + window.location.href);
	//alert("source:" + GetArgsFromHref(window.location.href, "source"));
	var audioSource = GetArgsFromHref(window.location.href, "source");
	if(audioSource == "") {
		$("#filenameSpan").html("demo.mp3");
		audioSource = "audio/demo.mp3";
	} else {
		$("#filenameSpan").html(audioSource);
		audioSource = "audio/" + audioSource;
	}
	
//	alert("audioSource:" + audioSource );
	$("#audioSource").attr("src", audioSource).detach().appendTo("#currAudio");
	currentAudioSrc = audioSource;
//	currAudio.load();

	initTimer = setInterval(function() {
//		alert("here:" + currAudio.duration + "  isNaN:" + !isNaN(currAudio.duration));
		if (!isNaN(currAudio.duration)) {
			duration = currAudio.duration;
			$("#totSec").html(duration);
			clearInterval(initTimer);
			Init();
		}
	}, 1000);
	
	
	$('#currAudio').bind('pause', function () { 
		$(".btnPlay").attr("src", "images/play.JPG");
	});
	
	
	 $( "#from" ).datepicker({
		 defaultDate: "+1w",
		 changeMonth: true,
		 numberOfMonths: 1,
		 dateFormat : "yy-mm-dd",
		 onClose: function( selectedDate ) {
		 $( "#to" ).datepicker( "option", "minDate", selectedDate );
		 }
	 });
	 $( "#to" ).datepicker({
		 defaultDate: "+1w",
		 changeMonth: true,
		 dateFormat : "yy-mm-dd",
		 numberOfMonths: 1,
		 onClose: function( selectedDate ) {
		 $( "#from" ).datepicker( "option", "maxDate", selectedDate );
		 }
	 });
	
	
});

index.html

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no">
<meta http-equiv="X-UA-Compatible" content="IE=Edge" />
<title>Fight English</title>
<style type="text/css">
.btnPlay {
	width: 30px;
	height: 30px;
	cursor: pointer;
	margin: 2px;
}

.btnSave {
	width: 30px;
	height: 30px;
	cursor: pointer;
	margin: 2px;
}

.btnDelete {
	width: 30px;
	height: 30px;
	cursor: pointer;
}

.btnEdit {
	width: 30px;
	height: 30px;
	cursor: pointer;
}

.textareaText {
	border: none;
    width: 100%;
    -webkit-box-sizing: border-box; /* <=iOS4, <= Android  2.3 */
       -moz-box-sizing: border-box; /* FF1+ */
            box-sizing: border-box; /* Chrome, IE8, Opera, Safari 5.1*/
}

div.ui-input-text { width: 90px !important;  }

</style>
</head>
<body>
	<div data-role="page" id="pageone"  >
		<div data-role="header" style="width:100%; position: fixed;background: #2A3758;margin-left: auto;margin-right: auto;">
			<center>
			<!--audio 是HTML5中的新元素-->
			<!-- 20141217Steve.mp3 controls显示那个播放器 autoplay歌曲就绪后自动播放 loop歌曲放完了循环-->
			<audio controls id="currAudio" loop="false" style="height: 50px;">
				<source id="audioSource" src="">
				 <p>Your user agent does not support the HTML5 Audio element.</p>
			</audio>
			<div style="margin: 5px">
				<input id="backBtn" type="button" value="back3s" data-inline="true" onclick="back()" />
				&nbsp; <input id="forwardBtn" type="button" value="forward3s" data-inline="true"
					onclick="forward()" /> <br/> Filename:<span id="filenameSpan"></span> Tip: ?? = unkonwn, #XXX# means not sure
			</div>
			
			</center>
		</div>

		<div data-role="content" style="margin-top: 120px;">
<!-- 		style="display:none;" -->
			<div style="margin: 10px;" >
				<label for="from">From</label>
				<input type="text" id="from" name="from" /> 
				<label for="to">to</label>
				<input type="text" id="to" name="to" />
				<input type="button" value="Search" onclick="doSearch()" />
			</div>
			<table id="tblData" style="width: 95%;border: 1px solid #cccccc; ">
				<thead>
					<tr>
						<th width="10%">No.</th>
						<th width="15%">Start</th>
						<th width="15%">End</th>
						<th width="40%">Text</th>
						<th width="10%">Action</th>
					</tr>
				</thead>
				<tbody>
				</tbody>
			</table>
		</div>
		<div data-role="footer">
			backend storge: 
			<br/>
			<input type="button" value="fetch" onclick="fetchRawText()" />
			&nbsp;&nbsp;&nbsp;
			<input type="button" value="download" onclick="downloadRawText()" />
			&nbsp;&nbsp;&nbsp;
			<span style="display: none;">
				<input type="button" value="save" onclick="saveRawText()" />
			</span>
			<textarea id="rawTa" rows="30" cols="30"></textarea>
		</div>
	</div>
</body>
</html>



<link rel="stylesheet"
	href="http://code.jquery.com/mobile/1.3.2/jquery.mobile-1.3.2.min.css">
<link rel="stylesheet"
	href="http://code.jquery.com/ui/1.11.2/themes/smoothness/jquery-ui.css">
<script src="javascript/jquery-1.8.3.min.js"></script>
<script src="javascript/jquery.mobile-1.3.2.min.js"></script>
<script type="text/javascript" src="javascript/functions.js"></script>
<script type="text/javascript" src="javascript/jquery-ui.js"></script>