How to use org.sonar.sslr.toolkit

private void ensureUpToDate() {
 if (updatedFlag) {
  parser = doGetParser();
  tokenizers = doGetTokenizers();
 }
 updatedFlag = false;
}

@Override
public Parser getParser() {
 ensureUpToDate();
 return parser;
}

/**
 * Validates that the property holds an integer within the given lower and upper bounds.
 *
 * @param lowerBound
 * @param upperBound
 * @return An integer range validator
 */
public static ValidationCallback integerRangeValidator(int lowerBound, int upperBound) {
 return new IntegerRangeValidator(lowerBound, upperBound);
}

void initConfigurationTab() {
 for (ConfigurationProperty configurationProperty : configurationModel.getProperties()) {
  view.addConfigurationProperty(configurationProperty.getName(), configurationProperty.getDescription());
  view.setConfigurationPropertyValue(configurationProperty.getName(), configurationProperty.getValue());
 }
}

 public Toolkit getDefaultToolkit(){
  return new Toolkit();   
}

private ConfigurationProperty getConfigurationPropertyByName(String name) {
 for (ConfigurationProperty configurationProperty : configurationModel.getProperties()) {
  if (name.equals(configurationProperty.getName())) {
   return configurationProperty;
  }
 }
 return null;
}

public String validate(String newValueCandidate) {
 return validationCallback.validate(newValueCandidate);
}

void initConfigurationTab() {
 for (ConfigurationProperty configurationProperty : configurationModel.getProperties()) {
  view.addConfigurationProperty(configurationProperty.getName(), configurationProperty.getDescription());
  view.setConfigurationPropertyValue(configurationProperty.getName(), configurationProperty.getValue());
 }
}

private void ensureUpToDate() {
 if (updatedFlag) {
  parser = doGetParser();
  tokenizers = doGetTokenizers();
 }
 updatedFlag = false;
}

private ConfigurationProperty getConfigurationPropertyByName(String name) {
 for (ConfigurationProperty configurationProperty : configurationModel.getProperties()) {
  if (name.equals(configurationProperty.getName())) {
   return configurationProperty;
  }
 }
 return null;
}

@Override
public List<Tokenizer> getTokenizers() {
 ensureUpToDate();
 return tokenizers;
}

/**
 * Validates that the property holds an integer within the given lower and upper bounds.
 *
 * @param lowerBound
 * @param upperBound
 * @return An integer range validator
 */
public static ValidationCallback integerRangeValidator(int lowerBound, int upperBound) {
 return new IntegerRangeValidator(lowerBound, upperBound);
}

public String validate(String newValueCandidate) {
 return validationCallback.validate(newValueCandidate);
}

private void ensureUpToDate() {
 if (updatedFlag) {
  parser = doGetParser();
  tokenizers = doGetTokenizers();
 }
 updatedFlag = false;
}

private ConfigurationProperty getConfigurationPropertyByName(String name) {
 for (ConfigurationProperty configurationProperty : configurationModel.getProperties()) {
  if (name.equals(configurationProperty.getName())) {
   return configurationProperty;
  }
 }
 return null;
}

@Override
public Parser getParser() {
 ensureUpToDate();
 return parser;
}

/**
 * Validates that the property holds an integer within the given lower and upper bounds.
 *
 * @param lowerBound
 * @param upperBound
 * @return An integer range validator
 */
public static ValidationCallback integerRangeValidator(int lowerBound, int upperBound) {
 return new IntegerRangeValidator(lowerBound, upperBound);
}

@Override
public List<Tokenizer> getTokenizers() {
 ensureUpToDate();
 return tokenizers;
}

@Override
public Parser getParser() {
 ensureUpToDate();
 return parser;
}

@Override
public List<Tokenizer> getTokenizers() {
 ensureUpToDate();
 return tokenizers;
}