1 | package org.greenstone.atea;
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2 |
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3 | import java.util.*;
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4 | import java.io.*;
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5 |
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6 | import org.apache.log4j.Logger;
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7 |
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8 | /**
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9 | * TO COMPILE OR RUN, FIRST DO:
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10 | * cd maori-lang-detection/apache-opennlp-1.9.1
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11 | * export OPENNLP_HOME=`pwd`
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12 | * cd maori-lang-detection/src
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13 | *
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14 | * TO COMPILE:
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15 | * maori-lang-detection/src$
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16 | * javac -cp ".:../conf:../lib/*" org/greenstone/atea/WebPageURLsListing.java
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17 | *
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18 | * TO RUN:
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19 | * maori-lang-detection/src$
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20 | * java -cp ".:../conf:../lib/*" org/greenstone/atea/WebPageURLsListing ../mongodb-data/domainsNZ_IsMRI.txt 255
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21 | *
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22 | */
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23 | public class WebPageURLsListing {
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24 | static Logger logger = Logger.getLogger(org.greenstone.atea.WebPageURLsListing.class.getName());
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25 |
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26 | private final MongoDBAccess mongodbAccess;
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27 | private int numURLs;
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28 | private File domainsFile;
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29 |
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30 | public WebPageURLsListing(MongoDBAccess mongodbAccess,
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31 | File domainsFile)
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32 | {
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33 | this.mongodbAccess = mongodbAccess;
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34 | this.domainsFile = domainsFile;
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35 | }
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36 |
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37 | public WebPageURLsListing(MongoDBAccess mongodbAccess,
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38 | File domainsFile,
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39 | int numURLs)
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40 | {
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41 | this(mongodbAccess, domainsFile);
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42 | this.numURLs = numURLs;
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43 | }
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44 |
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45 | public String produceURLsForPagesInMRI() {
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46 | return writeFile(MongoDBAccess.IS_MRI);
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47 | }
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48 |
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49 | public String produceURLsForPagesContainingMRI() {
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50 | return writeFile(MongoDBAccess.CONTAINS_MRI);
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51 | }
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52 |
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53 |
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54 | public String writeFile(int filterType) {
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55 |
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56 | ArrayList<String> urlsList = new ArrayList<String>();
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57 |
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58 | // 1. read each url from the domainsFile
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59 | // 1a. do the query
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60 | // 1b. add the arraylist result to urls
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61 |
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62 | try (
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63 | BufferedReader reader = new BufferedReader(new FileReader(domainsFile));
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64 | ) {
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65 |
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66 |
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67 | String domain;
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68 |
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69 | while((domain = reader.readLine()) != null) {
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70 | domain = domain.trim();
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71 | if(!domain.equals("")) {
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72 | ArrayList<String> moreURLs = mongodbAccess.queryAllMatchingURLsFilteredBy(domain, filterType);
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73 | urlsList.addAll(moreURLs);
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74 | }
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75 | }
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76 | } catch(Exception e) {
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77 | logger.error("Unable to read URLs from file " + domainsFile.getAbsolutePath());
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78 | logger.error(e.getMessage(), e);
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79 | }
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80 |
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81 | // Shuffle the urlsList, then write out the first numURLs into a file.
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82 | // https://stackoverflow.com/questions/5505927/how-to-generate-a-random-permutation-in-java
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83 | File parentFolder = domainsFile.getParentFile();
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84 | //File outFile = new File(parentFolder, "random"+numURLs+"_"+domainsFile.getName());
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85 | String fileName = (filterType == MongoDBAccess.IS_MRI) ? "isMRI_" : "containsMRI_";
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86 | File outFile = new File(parentFolder, fileName+domainsFile.getName());
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87 |
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88 | // write out ALL the URLs
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89 | try (
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90 | Writer writer = new BufferedWriter(new FileWriter(outFile));
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91 | ) {
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92 |
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93 | for (int i=0; i < urlsList.size(); i++) {
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94 | String url = urlsList.get(i);
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95 | //System.out.println(list.get(i));
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96 | writer.write(url + "\n");
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97 | }
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98 | } catch(Exception e) {
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99 | logger.error("Unable to write to file " + outFile.getAbsolutePath());
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100 | logger.error(e.getMessage(), e);
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101 | }
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102 |
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103 | /*
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104 | // shuffle list and take the first n - write to file
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105 | try (
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106 | Writer writer = new BufferedWriter(new FileWriter(outFile));
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107 | ) {
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108 | Collections.shuffle(urlsList);
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109 | for (int i=0; i<numURLs; i++) {
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110 | String url = urlsList.get(i);
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111 | //System.out.println(list.get(i));
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112 | writer.write(url + "\n");
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113 | }
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114 | } catch(Exception e) {
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115 | logger.error("Unable to write to file " + outFile.getAbsolutePath());
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116 | logger.error(e.getMessage(), e);
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117 | }
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118 | */
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119 |
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120 | return outFile.getAbsolutePath();
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121 | }
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122 |
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123 |
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124 | public static void printUsage() {
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125 | System.err.println("WebPageURLsListing [domains.txt]");
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126 | }
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127 |
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128 | // Depending on args, generates isMRI and containsMRI file listings for:
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129 | // 1. UNFILTERED: all (NZ + overseas) AND takes manually curated domain list file for overseas and adds all NZ
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130 |
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131 |
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132 | public static void main(String args[]) {
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133 | if(args.length >= 2) {
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134 | printUsage();
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135 | System.exit(-1);
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136 | }
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137 |
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138 | try (
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139 | MongoDBAccess mongodb = new MongoDBAccess();
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140 | ) {
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141 | File domainsFile = new File(args[0]);
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142 | if(!domainsFile.exists()) {
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143 | System.err.println("File " + domainsFile + " does not exist");
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144 | System.exit(-1);
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145 | }
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146 |
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147 | //int genNumURLs = Integer.parseInt(args[1]);
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148 |
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149 | mongodb.connectToDB();
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150 |
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151 | WebPageURLsListing listing = new WebPageURLsListing(mongodb, domainsFile);
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152 | //String isMRIFile = listing.produceURLsForPagesInMRI();
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153 | //String containsMRIFile = listing.produceURLsForPagesContainingMRI();
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154 | mongodb.aggregateContainsMRIForOverseas();
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155 |
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156 | } catch(Exception e) {
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157 | logger.error(e.getMessage(), e);
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158 | }
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159 | }
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160 | }
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