1 | package de.ugoe.cs.eventbench.windows;
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2 |
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3 | import java.io.File;
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4 | import java.io.FileNotFoundException;
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5 | import java.io.FileOutputStream;
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6 | import java.io.FileReader;
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7 | import java.io.IOException;
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8 | import java.io.OutputStreamWriter;
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9 |
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10 | import org.apache.commons.codec.binary.Base64;
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11 |
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12 | import de.ugoe.cs.util.FileTools;
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13 | import de.ugoe.cs.util.StringTools;
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14 | import de.ugoe.cs.util.console.Console;
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15 |
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16 | public class LogPreprocessor {
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17 |
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18 | private boolean sessionOpen = false;
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19 | private boolean msgIncomplete = false;
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20 |
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21 | private boolean base64;
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22 |
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23 | public LogPreprocessor() {
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24 | this(false);
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25 | }
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26 |
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27 | public LogPreprocessor(boolean base64) {
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28 | this.base64 = base64;
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29 | }
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30 |
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31 | public void convertToXml(String source, String target) throws IOException, FileNotFoundException {
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32 | OutputStreamWriter targetFile = new OutputStreamWriter(new FileOutputStream(target), "UTF-16");
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33 | targetFile.write("<?xml version=\"1.0\" encoding=\"UTF-16\"?>" + StringTools.ENDLINE);
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34 | targetFile.write("<log>" + StringTools.ENDLINE);
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35 | processFile(source, targetFile);
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36 | if( sessionOpen ) {
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37 | targetFile.write(" </session>" + StringTools.ENDLINE);
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38 | }
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39 | targetFile.write("</log>");
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40 | targetFile.close();
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41 | }
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42 |
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43 |
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44 | public void convertDirToXml(String path, String target) throws IOException, FileNotFoundException {
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45 | OutputStreamWriter targetFile = new OutputStreamWriter(new FileOutputStream(target), "UTF-16");
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46 | targetFile.write("<?xml version=\"1.0\" encoding=\"UTF-16\"?>" + StringTools.ENDLINE);
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47 | targetFile.write("<log>" + StringTools.ENDLINE);
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48 | File folder = new File(path);
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49 | if( !folder.isDirectory() ) {
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50 | throw new IOException(path + " is not a directory");
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51 | }
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52 | String absolutPath = folder.getAbsolutePath();
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53 | for( String filename : folder.list() ) {
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54 | String source = absolutPath + "/" + filename;
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55 | Console.traceln("Processing file: " + source);
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56 | processFile(source, targetFile);
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57 | }
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58 |
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59 | if( sessionOpen ) {
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60 | targetFile.write(" </session>" + StringTools.ENDLINE);
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61 | }
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62 | targetFile.write("</log>");
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63 | targetFile.close();
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64 | }
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65 |
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66 | private void processFile(String source, OutputStreamWriter targetFile)
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67 | throws FileNotFoundException, IOException {
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68 | String[] lines = FileTools.getLinesFromFile(source, false);
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69 | String incompleteLine = "";
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70 | // Open source and read line by line
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71 | for( String currentLine : lines ) {
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72 | if( currentLine.contains("UL: <session>")) {
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73 | if( sessionOpen) {
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74 | targetFile.write(" </session>" + StringTools.ENDLINE);
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75 | targetFile.write(" <session>" + StringTools.ENDLINE);
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76 | } else {
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77 | targetFile.write(" <session>" + StringTools.ENDLINE);
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78 | sessionOpen = true;
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79 | }
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80 | } else if( currentLine.contains("UL: </session>")) {
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81 | if( sessionOpen) {
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82 | targetFile.write(" </session>" + StringTools.ENDLINE);
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83 | sessionOpen = false;
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84 | }
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85 | } else if( msgIncomplete || currentLine.contains("UL: ")) {
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86 |
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87 | String currentContent;
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88 | String actualLine;
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89 | if( msgIncomplete ) {
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90 | actualLine = currentLine;
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91 | } else {
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92 | String[] splitResult = currentLine.split("UL: ");
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93 | actualLine = splitResult[1];
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94 | }
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95 | if( base64 ) {
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96 | Base64 decoder = new Base64();
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97 | byte[] decoded = decoder.decode(actualLine);
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98 | currentContent = new String(decoded, "UTF-16LE");
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99 | currentContent = currentContent.substring(0, currentContent.length()-1);
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100 | } else {
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101 | currentContent = actualLine;
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102 | }
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103 | if( msgIncomplete ) {
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104 | incompleteLine += currentContent;
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105 | if( incompleteLine.contains("</msg>") ) {
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106 | msgIncomplete = false;
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107 | targetFile.write(incompleteLine + StringTools.ENDLINE);
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108 | incompleteLine = "";
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109 | }
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110 | } else {
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111 | if( currentContent.contains("<msg") && sessionOpen ) {
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112 | if( currentContent.contains("</msg>") ) {
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113 | targetFile.write(" " + currentContent + StringTools.ENDLINE);
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114 | } else {
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115 | msgIncomplete = true;
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116 | incompleteLine += currentContent;
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117 | }
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118 | }
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119 | }
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120 | }
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121 | }
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122 | }
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123 |
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124 | }
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