How to use

getProperty

method

in

eu.fbk.rdfpro.util.Environment

public static synchronized SubjectivityLexicon getInstance() {
  if (instance == null) {
    final String location = Objects.firstNonNull(
        Environment.getProperty("subjectivity.lexicon.home"),
        "SubjectivityLexicon.tsv");
    try {
      instance = Lexicon.readFrom(SubjectivityLexicon.class, Lexeme.class, location);
    } catch (final Throwable ex) {
      throw new Error("Could not read default subjectivity lexicon at " + location, ex);
    }
  }
  return instance;
}

public static synchronized Intensities getInstance() {
  if (instance == null) {
    final String location = Objects.firstNonNull(
        Environment.getProperty("intensities.home"),
        "intensities.tsv");
    try {
      instance = Lexicon.readFrom(Intensities.class, Lexeme.class, location);
    } catch (final Throwable ex) {
      throw new Error("Could not read default intensity lexicon at " + location, ex);
    }
  }
  return instance;
}

public static synchronized SenticNet getInstance() {
  if (instance == null) {
    final String location = Objects.firstNonNull(
        Environment.getProperty("senticnet.home"), "SenticNet.tsv");
    try {
      instance = Lexicon.readFrom(SenticNet.class, Lexeme.class, location);
    } catch (final Throwable ex) {
      throw new Error("Could not read default subjectivity lexicon at " + location, ex);
    }
  }
  return instance;
}

final String rulesetNames = options.getOptionArg("r", String.class);
for (final String rulesetName : rulesetNames.split(",")) {
  String location = Environment.getProperty("rdfpro.rules." + rulesetName);
  location = location != null ? location : rulesetName;
  rulesetURLs.add(IO.extractURL(location).toString());