Example usage for weka.core Option numArguments

Introduction

In this page you can find the example usage for weka.core Option numArguments.

Prototype

public int numArguments()

Source Link

Document

Returns the option's number of arguments.

Usage

From source file:com.rapidminer.tools.WekaTools.java

License:Open Source License

/**
 * Tries to guess the type of the given option. If the number of arguments
 * is zero, than a boolean type is assumed. In other cases it will be tried
 * to parse the default value in the options array as a number and on
 * success a Double type is returned. If this fails, a ParameterTypeString
 * is returned./*from   ww  w .j av  a2  s.c o m*/
 */
public static ParameterType guessParameterType(Option option, String[] options) {
    if (option.numArguments() == 0) {
        String defaultString = getStringDefault(option.name(), options);
        if (defaultString == null) {
            return new ParameterTypeBoolean(option.name(), option.description(),
                    getBooleanDefault(option.name(), options));
        } else {
            return new ParameterTypeString(option.name(), option.description(), defaultString);
        }
    } else {
        String defaultString = getStringDefault(option.name(), options);
        if (defaultString == null) {
            return new ParameterTypeString(option.name(), option.description());
        } else {
            try {
                double defaultValue = Double.parseDouble(defaultString);
                return new ParameterTypeDouble(option.name(), option.description(), Double.NEGATIVE_INFINITY,
                        Double.POSITIVE_INFINITY, defaultValue);
            } catch (NumberFormatException e) {
                return new ParameterTypeString(option.name(), option.description(), defaultString);
            }
        }
    }
}

From source file:put.semantic.fcanew.ml.WekaClassifier.java

@Override
public String getConfigurationHelp() {
    String result = "";
    result += "<html><ul>";
    Enumeration e = classifier.listOptions();
    while (e.hasMoreElements()) {
        Option o = (Option) e.nextElement();
        result += String.format("<li>%s (%d arguments)<br><pre>%s</pre></li>", o.synopsis(), o.numArguments(),
                o.description().replace("\n", "<br>"));
    }//from   w w  w .ja v  a  2s  .c  o  m
    result += "</ul></html>";
    return result;
}