Rev 1076 | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
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1076 | jmachado | 1 | package pt.estgp.estgweb.web; |
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3 | import jomm.utils.StreamsUtils; |
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4 | import org.apache.log4j.Logger; |
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5 | import org.json.JSONArray; |
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6 | import org.json.JSONException; |
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7 | import org.json.JSONObject; |
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8 | |||
9 | import javax.servlet.ServletException; |
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10 | import javax.servlet.http.HttpServlet; |
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11 | import javax.servlet.http.HttpServletRequest; |
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12 | import javax.servlet.http.HttpServletResponse; |
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13 | import java.io.*; |
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14 | |||
15 | /** |
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16 | * @author Fabio |
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17 | * @date 4/Abr/2008 |
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18 | * @time 11:03:00 |
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19 | * @see pt.estgp.estgweb.web |
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20 | */ |
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21 | public class LogsServiceStream extends HttpServlet |
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22 | { |
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23 | |||
24 | private static final 1.5.0/docs/api/java/util/logging/Logger.html">Logger logger = 1.5.0/docs/api/java/util/logging/Logger.html">Logger.getLogger(LogsServiceStream.class); |
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25 | |||
26 | |||
27 | public void doGet(HttpServletRequest request, HttpServletResponse response) |
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28 | throws ServletException, 1.5.0/docs/api/java/io/IOException.html">IOException |
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29 | { |
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30 | |||
31 | |||
32 | |||
33 | |||
34 | |||
35 | 1.5.0/docs/api/java/lang/String.html">String logRequired = request.getPathInfo(); |
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36 | logRequired = logRequired.substring(1); |
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37 | |||
38 | |||
39 | 1.5.0/docs/api/java/lang/String.html">String logFile = pt.estgp.estgweb.Globals.JOB_SERVICES_LOG_DIR + java.io.1.5.0/docs/api/java/io/File.html">File.separator + logRequired; |
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40 | java.io.1.5.0/docs/api/java/io/File.html">File f = new java.io.1.5.0/docs/api/java/io/File.html">File(logFile); |
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41 | if(!f.exists()) |
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42 | { |
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43 | response.sendError(404); |
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44 | return; |
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45 | } |
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46 | |||
47 | 1.5.0/docs/api/java/lang/String.html">String line = request.getParameter("l"); |
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48 | if(line != null) |
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49 | { |
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50 | processJson(f,line,request,response); |
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51 | return; |
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52 | } |
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53 | |||
54 | |||
55 | try |
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56 | { |
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57 | response.setContentType("text/plain"); |
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58 | 5+0%2Fdocs%2Fapi+OutputStream">OutputStream out = response.getOutputStream(); |
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59 | response.setContentLength((int) f.length()); |
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60 | StreamsUtils.inputStream2OutputStream(new 1.5.0/docs/api/java/io/FileInputStream.html">FileInputStream(f),out); |
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61 | out.flush(); |
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62 | out.close(); |
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63 | } |
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64 | catch (1.5.0/docs/api/java/lang/Throwable.html">Throwable e1) |
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65 | { |
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66 | logger.error(e1 ); |
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67 | response.sendError(404); |
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68 | } |
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69 | |||
70 | } |
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71 | |||
72 | private void processJson(1.5.0/docs/api/java/io/File.html">File f, 1.5.0/docs/api/java/lang/String.html">String line, HttpServletRequest request, HttpServletResponse response) throws 1.5.0/docs/api/java/io/IOException.html">IOException { |
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73 | int l = 1.5.0/docs/api/java/lang/Integer.html">Integer.parseInt(line); |
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74 | response.setContentType("application/json"); |
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75 | |||
76 | JSONObject obj = new JSONObject(); |
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77 | JSONArray lines = new JSONArray(); |
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78 | |||
79 | try { |
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80 | obj.put("lines",lines); |
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81 | obj.put("ok","ok"); |
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82 | 1.5.0/docs/api/java/io/BufferedReader.html">BufferedReader reader = new 1.5.0/docs/api/java/io/BufferedReader.html">BufferedReader(new 1.5.0/docs/api/java/io/InputStreamReader.html">InputStreamReader(new 1.5.0/docs/api/java/io/FileInputStream.html">FileInputStream(f),"UTF-8")); |
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83 | 1.5.0/docs/api/java/lang/String.html">String readedLine; |
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84 | int i; |
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85 | boolean endReached = false; |
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86 | for(i = 0; i < l;i++) |
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87 | { |
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88 | if(reader.readLine() == null) |
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89 | { |
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90 | endReached = true; |
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91 | break; |
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92 | } |
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93 | } |
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94 | if(!endReached) |
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95 | { |
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96 | while((readedLine = reader.readLine())!=null) |
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97 | { |
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98 | lines.put(readedLine); |
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99 | } |
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100 | } |
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101 | |||
102 | 1.5.0/docs/api/java/lang/String.html">String toWrite = obj.toString(); |
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103 | response.setCharacterEncoding("ISO-8859-1"); |
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104 | response.setContentLength(toWrite.length()); |
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105 | response.getOutputStream().print(toWrite); |
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106 | |||
107 | } |
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108 | catch (1.5.0/docs/api/java/io/FileNotFoundException.html">FileNotFoundException e) |
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109 | { |
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110 | logger.error(e,e); |
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111 | response.sendError(500); |
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112 | } catch (JSONException e) { |
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113 | logger.error(e,e); |
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114 | response.sendError(500); |
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115 | } |
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116 | |||
117 | } |
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118 | |||
119 | } |
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120 |